// ==ClosureCompiler==
// @compilation_level SIMPLE_OPTIMIZATIONS

/**
 * @license Highcharts JS v2.2.5 (2012-06-08)
 *
 * (c) 2009-2011 Torstein Hønsi
 *
 * License: www.highcharts.com/license
 */

// JSLint options:
/*global Highcharts, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console */

(function () {
// encapsulated variables
    var UNDEFINED,
        doc = document,
        win = window,
        math = Math,
        mathRound = math.round,
        mathFloor = math.floor,
        mathCeil = math.ceil,
        mathMax = math.max,
        mathMin = math.min,
        mathAbs = math.abs,
        mathCos = math.cos,
        mathSin = math.sin,
        mathPI = math.PI,
        deg2rad = mathPI * 2 / 360,


    // some variables
        userAgent = navigator.userAgent,
        isIE = /msie/i.test(userAgent) && !win.opera,
        docMode8 = doc.documentMode === 8,
        isWebKit = /AppleWebKit/.test(userAgent),
        isFirefox = /Firefox/.test(userAgent),
        SVG_NS = 'http://www.w3.org/2000/svg',
        hasSVG = !!doc.createElementNS && !!doc.createElementNS(SVG_NS, 'svg').createSVGRect,
        hasBidiBug = isFirefox && parseInt(userAgent.split('Firefox/')[1], 10) < 4, // issue #38
        useCanVG = !hasSVG && !isIE && !!doc.createElement('canvas').getContext,
        Renderer,
        hasTouch = doc.documentElement.ontouchstart !== UNDEFINED,
        symbolSizes = {},
        idCounter = 0,
        garbageBin,
        defaultOptions,
        dateFormat, // function
        globalAnimation,
        pathAnim,
        timeUnits,
        noop = function () {
        },

    // some constants for frequently used strings
        DIV = 'div',
        ABSOLUTE = 'absolute',
        RELATIVE = 'relative',
        HIDDEN = 'hidden',
        PREFIX = 'highcharts-',
        VISIBLE = 'visible',
        PX = 'px',
        NONE = 'none',
        M = 'M',
        L = 'L',
    /*
     * Empirical lowest possible opacities for TRACKER_FILL
     * IE6: 0.002
     * IE7: 0.002
     * IE8: 0.002
     * IE9: 0.00000000001 (unlimited)
     * FF: 0.00000000001 (unlimited)
     * Chrome: 0.000001
     * Safari: 0.000001
     * Opera: 0.00000000001 (unlimited)
     */
        TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.000001 : 0.002) + ')', // invisible but clickable
    //TRACKER_FILL = 'rgba(192,192,192,0.5)',
        NORMAL_STATE = '',
        HOVER_STATE = 'hover',
        SELECT_STATE = 'select',
        MILLISECOND = 'millisecond',
        SECOND = 'second',
        MINUTE = 'minute',
        HOUR = 'hour',
        DAY = 'day',
        WEEK = 'week',
        MONTH = 'month',
        YEAR = 'year',

    // constants for attributes
        FILL = 'fill',
        LINEAR_GRADIENT = 'linearGradient',
        STOPS = 'stops',
        STROKE = 'stroke',
        STROKE_WIDTH = 'stroke-width',

    // time methods, changed based on whether or not UTC is used
        makeTime,
        getMinutes,
        getHours,
        getDay,
        getDate,
        getMonth,
        getFullYear,
        setMinutes,
        setHours,
        setDate,
        setMonth,
        setFullYear,


    // lookup over the types and the associated classes
        seriesTypes = {};

// The Highcharts namespace
    win.Highcharts = {};

    /**
     * Extend an object with the members of another
     * @param {Object} a The object to be extended
     * @param {Object} b The object to add to the first one
     */
    function extend(a, b) {
        var n;
        if (!a) {
            a = {};
        }
        for (n in b) {
            a[n] = b[n];
        }
        return a;
    }

    /**
     * Take an array and turn into a hash with even number arguments as keys and odd numbers as
     * values. Allows creating constants for commonly used style properties, attributes etc.
     * Avoid it in performance critical situations like looping
     */
    function hash() {
        var i = 0,
            args = arguments,
            length = args.length,
            obj = {};
        for (; i < length; i++) {
            obj[args[i++]] = args[i];
        }
        return obj;
    }

    /**
     * Shortcut for parseInt
     * @param {Object} s
     * @param {Number} mag Magnitude
     */
    function pInt(s, mag) {
        return parseInt(s, mag || 10);
    }

    /**
     * Check for string
     * @param {Object} s
     */
    function isString(s) {
        return typeof s === 'string';
    }

    /**
     * Check for object
     * @param {Object} obj
     */
    function isObject(obj) {
        return typeof obj === 'object';
    }

    /**
     * Check for array
     * @param {Object} obj
     */
    function isArray(obj) {
        return Object.prototype.toString.call(obj) === '[object Array]';
    }

    /**
     * Check for number
     * @param {Object} n
     */
    function isNumber(n) {
        return typeof n === 'number';
    }

    function log2lin(num) {
        return math.log(num) / math.LN10;
    }

    function lin2log(num) {
        return math.pow(10, num);
    }

    /**
     * Remove last occurence of an item from an array
     * @param {Array} arr
     * @param {Mixed} item
     */
    function erase(arr, item) {
        var i = arr.length;
        while (i--) {
            if (arr[i] === item) {
                arr.splice(i, 1);
                break;
            }
        }
        //return arr;
    }

    /**
     * Returns true if the object is not null or undefined. Like MooTools' $.defined.
     * @param {Object} obj
     */
    function defined(obj) {
        return obj !== UNDEFINED && obj !== null;
    }

    /**
     * Set or get an attribute or an object of attributes. Can't use jQuery attr because
     * it attempts to set expando properties on the SVG element, which is not allowed.
     *
     * @param {Object} elem The DOM element to receive the attribute(s)
     * @param {String|Object} prop The property or an abject of key-value pairs
     * @param {String} value The value if a single property is set
     */
    function attr(elem, prop, value) {
        var key,
            setAttribute = 'setAttribute',
            ret;

        // if the prop is a string
        if (isString(prop)) {
            // set the value
            if (defined(value)) {

                elem[setAttribute](prop, value);

                // get the value
            } else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
                ret = elem.getAttribute(prop);
            }

            // else if prop is defined, it is a hash of key/value pairs
        } else if (defined(prop) && isObject(prop)) {
            for (key in prop) {
                elem[setAttribute](key, prop[key]);
            }
        }
        return ret;
    }

    /**
     * Check if an element is an array, and if not, make it into an array. Like
     * MooTools' $.splat.
     */
    function splat(obj) {
        return isArray(obj) ? obj : [obj];
    }


    /**
     * Return the first value that is defined. Like MooTools' $.pick.
     */
    function pick() {
        var args = arguments,
            i,
            arg,
            length = args.length;
        for (i = 0; i < length; i++) {
            arg = args[i];
            if (typeof arg !== 'undefined' && arg !== null) {
                return arg;
            }
        }
    }

    /**
     * Set CSS on a given element
     * @param {Object} el
     * @param {Object} styles Style object with camel case property names
     */
    function css(el, styles) {
        if (isIE) {
            if (styles && styles.opacity !== UNDEFINED) {
                styles.filter = 'alpha(opacity=' + (styles.opacity * 100) + ')';
            }
        }
        extend(el.style, styles);
    }

    /**
     * Utility function to create element with attributes and styles
     * @param {Object} tag
     * @param {Object} attribs
     * @param {Object} styles
     * @param {Object} parent
     * @param {Object} nopad
     */
    function createElement(tag, attribs, styles, parent, nopad) {
        var el = doc.createElement(tag);
        if (attribs) {
            extend(el, attribs);
        }
        if (nopad) {
            css(el, {padding: 0, border: NONE, margin: 0});
        }
        if (styles) {
            css(el, styles);
        }
        if (parent) {
            parent.appendChild(el);
        }
        return el;
    }

    /**
     * Extend a prototyped class by new members
     * @param {Object} parent
     * @param {Object} members
     */
    function extendClass(parent, members) {
        var object = function () {
        };
        object.prototype = new parent();
        extend(object.prototype, members);
        return object;
    }

    /**
     * How many decimals are there in a number
     */
    function getDecimals(number) {

        number = (number || 0).toString();

        return number.indexOf('.') > -1 ?
            number.split('.')[1].length :
            0;
    }

    /**
     * Format a number and return a string based on input settings
     * @param {Number} number The input number to format
     * @param {Number} decimals The amount of decimals
     * @param {String} decPoint The decimal point, defaults to the one given in the lang options
     * @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
     */
    function numberFormat(number, decimals, decPoint, thousandsSep) {
        var lang = defaultOptions.lang,
        // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
            n = number,
            c = decimals === -1 ?
                getDecimals(number) :
                (isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
            d = decPoint === undefined ? lang.decimalPoint : decPoint,
            t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
            s = n < 0 ? "-" : "",
            i = String(pInt(n = mathAbs(+n || 0).toFixed(c))),
            j = i.length > 3 ? i.length % 3 : 0;

        return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
            (c ? d + mathAbs(n - i).toFixed(c).slice(2) : "");
    }

    /**
     * Pad a string to a given length by adding 0 to the beginning
     * @param {Number} number
     * @param {Number} length
     */
    function pad(number, length) {
        // Create an array of the remaining length +1 and join it with 0's
        return new Array((length || 2) + 1 - String(number).length).join(0) + number;
    }

    /**
     * Based on http://www.php.net/manual/en/function.strftime.php
     * @param {String} format
     * @param {Number} timestamp
     * @param {Boolean} capitalize
     */
    dateFormat = function (format, timestamp, capitalize) {
        if (!defined(timestamp) || isNaN(timestamp)) {
            return 'Invalid date';
        }
        format = pick(format, '%Y-%m-%d %H:%M:%S');

        var date = new Date(timestamp),
            key, // used in for constuct below
        // get the basic time values
            hours = date[getHours](),
            day = date[getDay](),
            dayOfMonth = date[getDate](),
            month = date[getMonth](),
            fullYear = date[getFullYear](),
            lang = defaultOptions.lang,
            langWeekdays = lang.weekdays,
        /* // uncomment this and the 'W' format key below to enable week numbers
         weekNumber = function () {
         var clone = new Date(date.valueOf()),
         day = clone[getDay]() == 0 ? 7 : clone[getDay](),
         dayNumber;
         clone.setDate(clone[getDate]() + 4 - day);
         dayNumber = mathFloor((clone.getTime() - new Date(clone[getFullYear](), 0, 1, -6)) / 86400000);
         return 1 + mathFloor(dayNumber / 7);
         },
         */

        // list all format keys
            replacements = {

                // Day
                'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
                'A': langWeekdays[day], // Long weekday, like 'Monday'
                'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31
                'e': dayOfMonth, // Day of the month, 1 through 31

                // Week (none implemented)
                //'W': weekNumber(),

                // Month
                'b': lang.shortMonths[month], // Short month, like 'Jan'
                'B': lang.months[month], // Long month, like 'January'
                'm': pad(month + 1), // Two digit month number, 01 through 12

                // Year
                'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009
                'Y': fullYear, // Four digits year, like 2009

                // Time
                'H': pad(hours), // Two digits hours in 24h format, 00 through 23
                'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11
                'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12
                'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59
                'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM
                'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM
                'S': pad(date.getSeconds()), // Two digits seconds, 00 through  59
                'L': pad(mathRound(timestamp % 1000), 3) // Milliseconds (naming from Ruby)
            };


        // do the replaces
        for (key in replacements) {
            format = format.replace('%' + key, replacements[key]);
        }

        // Optionally capitalize the string and return
        return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
    };

    /**
     * Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
     * @param {Number} interval
     * @param {Array} multiples
     * @param {Number} magnitude
     * @param {Object} options
     */
    function normalizeTickInterval(interval, multiples, magnitude, options) {
        var normalized, i;

        // round to a tenfold of 1, 2, 2.5 or 5
        magnitude = pick(magnitude, 1);
        normalized = interval / magnitude;

        // multiples for a linear scale
        if (!multiples) {
            multiples = [1, 2, 2.5, 5, 10];

            // the allowDecimals option
            if (options && options.allowDecimals === false) {
                if (magnitude === 1) {
                    multiples = [1, 2, 5, 10];
                } else if (magnitude <= 0.1) {
                    multiples = [1 / magnitude];
                }
            }
        }

        // normalize the interval to the nearest multiple
        for (i = 0; i < multiples.length; i++) {
            interval = multiples[i];
            if (normalized <= (multiples[i] + (multiples[i + 1] || multiples[i])) / 2) {
                break;
            }
        }

        // multiply back to the correct magnitude
        interval *= magnitude;

        return interval;
    }

    /**
     * Get a normalized tick interval for dates. Returns a configuration object with
     * unit range (interval), count and name. Used to prepare data for getTimeTicks.
     * Previously this logic was part of getTimeTicks, but as getTimeTicks now runs
     * of segments in stock charts, the normalizing logic was extracted in order to
     * prevent it for running over again for each segment having the same interval.
     * #662, #697.
     */
    function normalizeTimeTickInterval(tickInterval, unitsOption) {
        var units = unitsOption || [
                [
                    MILLISECOND, // unit name
                    [1, 2, 5, 10, 20, 25, 50, 100, 200, 500] // allowed multiples
                ],
                [
                    SECOND,
                    [1, 2, 5, 10, 15, 30]
                ],
                [
                    MINUTE,
                    [1, 2, 5, 10, 15, 30]
                ],
                [
                    HOUR,
                    [1, 2, 3, 4, 6, 8, 12]
                ],
                [
                    DAY,
                    [1, 2]
                ],
                [
                    WEEK,
                    [1, 2]
                ],
                [
                    MONTH,
                    [1, 2, 3, 4, 6]
                ],
                [
                    YEAR,
                    null
                ]
            ],
            unit = units[units.length - 1], // default unit is years
            interval = timeUnits[unit[0]],
            multiples = unit[1],
            count,
            i;

        // loop through the units to find the one that best fits the tickInterval
        for (i = 0; i < units.length; i++) {
            unit = units[i];
            interval = timeUnits[unit[0]];
            multiples = unit[1];


            if (units[i + 1]) {
                // lessThan is in the middle between the highest multiple and the next unit.
                var lessThan = (interval * multiples[multiples.length - 1] +
                    timeUnits[units[i + 1][0]]) / 2;

                // break and keep the current unit
                if (tickInterval <= lessThan) {
                    break;
                }
            }
        }

        // prevent 2.5 years intervals, though 25, 250 etc. are allowed
        if (interval === timeUnits[YEAR] && tickInterval < 5 * interval) {
            multiples = [1, 2, 5];
        }

        // prevent 2.5 years intervals, though 25, 250 etc. are allowed
        if (interval === timeUnits[YEAR] && tickInterval < 5 * interval) {
            multiples = [1, 2, 5];
        }

        // get the count
        count = normalizeTickInterval(tickInterval / interval, multiples);

        return {
            unitRange: interval,
            count: count,
            unitName: unit[0]
        };
    }

    /**
     * Set the tick positions to a time unit that makes sense, for example
     * on the first of each month or on every Monday. Return an array
     * with the time positions. Used in datetime axes as well as for grouping
     * data on a datetime axis.
     *
     * @param {Object} normalizedInterval The interval in axis values (ms) and the count
     * @param {Number} min The minimum in axis values
     * @param {Number} max The maximum in axis values
     * @param {Number} startOfWeek
     */
    function getTimeTicks(normalizedInterval, min, max, startOfWeek) {
        var tickPositions = [],
            i,
            higherRanks = {},
            useUTC = defaultOptions.global.useUTC,
            minYear, // used in months and years as a basis for Date.UTC()
            minDate = new Date(min),
            interval = normalizedInterval.unitRange,
            count = normalizedInterval.count;


        if (interval >= timeUnits[SECOND]) { // second
            minDate.setMilliseconds(0);
            minDate.setSeconds(interval >= timeUnits[MINUTE] ? 0 :
                count * mathFloor(minDate.getSeconds() / count));
        }

        if (interval >= timeUnits[MINUTE]) { // minute
            minDate[setMinutes](interval >= timeUnits[HOUR] ? 0 :
                count * mathFloor(minDate[getMinutes]() / count));
        }

        if (interval >= timeUnits[HOUR]) { // hour
            minDate[setHours](interval >= timeUnits[DAY] ? 0 :
                count * mathFloor(minDate[getHours]() / count));
        }

        if (interval >= timeUnits[DAY]) { // day
            minDate[setDate](interval >= timeUnits[MONTH] ? 1 :
                count * mathFloor(minDate[getDate]() / count));
        }

        if (interval >= timeUnits[MONTH]) { // month
            minDate[setMonth](interval >= timeUnits[YEAR] ? 0 :
                count * mathFloor(minDate[getMonth]() / count));
            minYear = minDate[getFullYear]();
        }

        if (interval >= timeUnits[YEAR]) { // year
            minYear -= minYear % count;
            minDate[setFullYear](minYear);
        }

        // week is a special case that runs outside the hierarchy
        if (interval === timeUnits[WEEK]) {
            // get start of current week, independent of count
            minDate[setDate](minDate[getDate]() - minDate[getDay]() +
                pick(startOfWeek, 1));
        }


        // get tick positions
        i = 1;
        minYear = minDate[getFullYear]();
        var time = minDate.getTime(),
            minMonth = minDate[getMonth](),
            minDateDate = minDate[getDate](),
            timezoneOffset = useUTC ?
                0 :
                (24 * 3600 * 1000 + minDate.getTimezoneOffset() * 60 * 1000) % (24 * 3600 * 1000); // #950

        // iterate and add tick positions at appropriate values
        while (time < max) {
            tickPositions.push(time);

            // if the interval is years, use Date.UTC to increase years
            if (interval === timeUnits[YEAR]) {
                time = makeTime(minYear + i * count, 0);

                // if the interval is months, use Date.UTC to increase months
            } else if (interval === timeUnits[MONTH]) {
                time = makeTime(minYear, minMonth + i * count);

                // if we're using global time, the interval is not fixed as it jumps
                // one hour at the DST crossover
            } else if (!useUTC && (interval === timeUnits[DAY] || interval === timeUnits[WEEK])) {
                time = makeTime(minYear, minMonth, minDateDate +
                    i * count * (interval === timeUnits[DAY] ? 1 : 7));

                // else, the interval is fixed and we use simple addition
            } else {
                time += interval * count;

                // mark new days if the time is dividable by day
                if (interval <= timeUnits[HOUR] && time % timeUnits[DAY] === timezoneOffset) {
                    higherRanks[time] = DAY;
                }
            }

            i++;
        }

        // push the last time
        tickPositions.push(time);

        // record information on the chosen unit - for dynamic label formatter
        tickPositions.info = extend(normalizedInterval, {
            higherRanks: higherRanks,
            totalRange: interval * count
        });

        return tickPositions;
    }

    /**
     * Helper class that contains variuos counters that are local to the chart.
     */
    function ChartCounters() {
        this.color = 0;
        this.symbol = 0;
    }

    ChartCounters.prototype = {
        /**
         * Wraps the color counter if it reaches the specified length.
         */
        wrapColor: function (length) {
            if (this.color >= length) {
                this.color = 0;
            }
        },

        /**
         * Wraps the symbol counter if it reaches the specified length.
         */
        wrapSymbol: function (length) {
            if (this.symbol >= length) {
                this.symbol = 0;
            }
        }
    };


    /**
     * Utility method that sorts an object array and keeping the order of equal items.
     * ECMA script standard does not specify the behaviour when items are equal.
     */
    function stableSort(arr, sortFunction) {
        var length = arr.length,
            sortValue,
            i;

        // Add index to each item
        for (i = 0; i < length; i++) {
            arr[i].ss_i = i; // stable sort index
        }

        arr.sort(function (a, b) {
            sortValue = sortFunction(a, b);
            return sortValue === 0 ? a.ss_i - b.ss_i : sortValue;
        });

        // Remove index from items
        for (i = 0; i < length; i++) {
            delete arr[i].ss_i; // stable sort index
        }
    }

    /**
     * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
     * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
     * method is slightly slower, but safe.
     */
    function arrayMin(data) {
        var i = data.length,
            min = data[0];

        while (i--) {
            if (data[i] < min) {
                min = data[i];
            }
        }
        return min;
    }

    /**
     * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
     * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
     * method is slightly slower, but safe.
     */
    function arrayMax(data) {
        var i = data.length,
            max = data[0];

        while (i--) {
            if (data[i] > max) {
                max = data[i];
            }
        }
        return max;
    }

    /**
     * Utility method that destroys any SVGElement or VMLElement that are properties on the given object.
     * It loops all properties and invokes destroy if there is a destroy method. The property is
     * then delete'ed.
     * @param {Object} The object to destroy properties on
     * @param {Object} Exception, do not destroy this property, only delete it.
     */
    function destroyObjectProperties(obj, except) {
        var n;
        for (n in obj) {
            // If the object is non-null and destroy is defined
            if (obj[n] && obj[n] !== except && obj[n].destroy) {
                // Invoke the destroy
                obj[n].destroy();
            }

            // Delete the property from the object.
            delete obj[n];
        }
    }


    /**
     * Discard an element by moving it to the bin and delete
     * @param {Object} The HTML node to discard
     */
    function discardElement(element) {
        // create a garbage bin element, not part of the DOM
        if (!garbageBin) {
            garbageBin = createElement(DIV);
        }

        // move the node and empty bin
        if (element) {
            garbageBin.appendChild(element);
        }
        garbageBin.innerHTML = '';
    }

    /**
     * Provide error messages for debugging, with links to online explanation
     */
    function error(code, stop) {
        var msg = 'Highcharts error #' + code + ': www.highcharts.com/errors/' + code;
        if (stop) {
            throw msg;
        } else if (win.console) {
            console.log(msg);
        }
    }

    /**
     * Fix JS round off float errors
     * @param {Number} num
     */
    function correctFloat(num) {
        return parseFloat(
            num.toPrecision(14)
        );
    }

    /**
     * The time unit lookup
     */
    /*jslint white: true*/
    timeUnits = hash(
        MILLISECOND, 1,
        SECOND, 1000,
        MINUTE, 60000,
        HOUR, 3600000,
        DAY, 24 * 3600000,
        WEEK, 7 * 24 * 3600000,
        MONTH, 30 * 24 * 3600000,
        YEAR, 31556952000
    );
    /*jslint white: false*/
    /**
     * Path interpolation algorithm used across adapters
     */
    pathAnim = {
        /**
         * Prepare start and end values so that the path can be animated one to one
         */
        init: function (elem, fromD, toD) {
            fromD = fromD || '';
            var shift = elem.shift,
                bezier = fromD.indexOf('C') > -1,
                numParams = bezier ? 7 : 3,
                endLength,
                slice,
                i,
                start = fromD.split(' '),
                end = [].concat(toD), // copy
                startBaseLine,
                endBaseLine,
                sixify = function (arr) { // in splines make move points have six parameters like bezier curves
                    i = arr.length;
                    while (i--) {
                        if (arr[i] === M) {
                            arr.splice(i + 1, 0, arr[i + 1], arr[i + 2], arr[i + 1], arr[i + 2]);
                        }
                    }
                };

            if (bezier) {
                sixify(start);
                sixify(end);
            }

            // pull out the base lines before padding
            if (elem.isArea) {
                startBaseLine = start.splice(start.length - 6, 6);
                endBaseLine = end.splice(end.length - 6, 6);
            }

            // if shifting points, prepend a dummy point to the end path
            if (shift <= end.length / numParams) {
                while (shift--) {
                    end = [].concat(end).splice(0, numParams).concat(end);
                }
            }
            elem.shift = 0; // reset for following animations

            // copy and append last point until the length matches the end length
            if (start.length) {
                endLength = end.length;
                while (start.length < endLength) {

                    //bezier && sixify(start);
                    slice = [].concat(start).splice(start.length - numParams, numParams);
                    if (bezier) { // disable first control point
                        slice[numParams - 6] = slice[numParams - 2];
                        slice[numParams - 5] = slice[numParams - 1];
                    }
                    start = start.concat(slice);
                }
            }

            if (startBaseLine) { // append the base lines for areas
                start = start.concat(startBaseLine);
                end = end.concat(endBaseLine);
            }
            return [start, end];
        },

        /**
         * Interpolate each value of the path and return the array
         */
        step: function (start, end, pos, complete) {
            var ret = [],
                i = start.length,
                startVal;

            if (pos === 1) { // land on the final path without adjustment points appended in the ends
                ret = complete;

            } else if (i === end.length && pos < 1) {
                while (i--) {
                    startVal = parseFloat(start[i]);
                    ret[i] =
                        isNaN(startVal) ? // a letter instruction like M or L
                            start[i] :
                            pos * (parseFloat(end[i] - startVal)) + startVal;

                }
            } else { // if animation is finished or length not matching, land on right value
                ret = end;
            }
            return ret;
        }
    };


    /**
     * Set the global animation to either a given value, or fall back to the
     * given chart's animation option
     * @param {Object} animation
     * @param {Object} chart
     */
    function setAnimation(animation, chart) {
        globalAnimation = pick(animation, chart.animation);
    }


// check for a custom HighchartsAdapter defined prior to this file
    var globalAdapter = win.HighchartsAdapter,
        adapter = globalAdapter || {},

    // Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object
    // and all the utility functions will be null. In that case they are populated by the
    // default adapters below.
        adapterRun = adapter.adapterRun,
        getScript = adapter.getScript,
        each = adapter.each,
        grep = adapter.grep,
        offset = adapter.offset,
        map = adapter.map,
        merge = adapter.merge,
        addEvent = adapter.addEvent,
        removeEvent = adapter.removeEvent,
        fireEvent = adapter.fireEvent,
        washMouseEvent = adapter.washMouseEvent,
        animate = adapter.animate,
        stop = adapter.stop;

    /*
     * Define the adapter for frameworks. If an external adapter is not defined,
     * Highcharts reverts to the built-in jQuery adapter.
     */
    if (globalAdapter && globalAdapter.init) {
        // Initialize the adapter with the pathAnim object that takes care
        // of path animations.
        globalAdapter.init(pathAnim);
    }
    if (!globalAdapter && win.jQuery) {
        var jQ = jQuery;

        /**
         * Downloads a script and executes a callback when done.
         * @param {String} scriptLocation
         * @param {Function} callback
         */
        getScript = jQ.getScript;

        /**
         * A direct link to jQuery methods. MooTools and Prototype adapters must be implemented for each case of method.
         * @param {Object} elem The HTML element
         * @param {String} method Which method to run on the wrapped element
         */
        adapterRun = function (elem, method) {
            return jQ(elem)[method]();
        };

        /**
         * Utility for iterating over an array. Parameters are reversed compared to jQuery.
         * @param {Array} arr
         * @param {Function} fn
         */
        each = function (arr, fn) {
            var i = 0,
                len = arr.length;
            for (; i < len; i++) {
                if (fn.call(arr[i], arr[i], i, arr) === false) {
                    return i;
                }
            }
        };

        /**
         * Filter an array
         */
        grep = jQ.grep;

        /**
         * Map an array
         * @param {Array} arr
         * @param {Function} fn
         */
        map = function (arr, fn) {
            //return jQuery.map(arr, fn);
            var results = [],
                i = 0,
                len = arr.length;
            for (; i < len; i++) {
                results[i] = fn.call(arr[i], arr[i], i, arr);
            }
            return results;

        };

        /**
         * Deep merge two objects and return a third object
         */
        merge = function () {
            var args = arguments;
            return jQ.extend(true, null, args[0], args[1], args[2], args[3]);
        };

        /**
         * Get the position of an element relative to the top left of the page
         */
        offset = function (el) {
            return jQ(el).offset();
        };

        /**
         * Add an event listener
         * @param {Object} el A HTML element or custom object
         * @param {String} event The event type
         * @param {Function} fn The event handler
         */
        addEvent = function (el, event, fn) {
            jQ(el).bind(event, fn);
        };

        /**
         * Remove event added with addEvent
         * @param {Object} el The object
         * @param {String} eventType The event type. Leave blank to remove all events.
         * @param {Function} handler The function to remove
         */
        removeEvent = function (el, eventType, handler) {
            // workaround for jQuery issue with unbinding custom events:
            // http://forum.jquery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jquery-1-4-2
            var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
            if (doc[func] && !el[func]) {
                el[func] = function () {
                };
            }

            jQ(el).unbind(eventType, handler);
        };

        /**
         * Fire an event on a custom object
         * @param {Object} el
         * @param {String} type
         * @param {Object} eventArguments
         * @param {Function} defaultFunction
         */
        fireEvent = function (el, type, eventArguments, defaultFunction) {
            var event = jQ.Event(type),
                detachedType = 'detached' + type,
                defaultPrevented;

            // Remove warnings in Chrome when accessing layerX and layerY. Although Highcharts
            // never uses these properties, Chrome includes them in the default click event and
            // raises the warning when they are copied over in the extend statement below.
            //
            // To avoid problems in IE (see #1010) where we cannot delete the properties and avoid
            // testing if they are there (warning in chrome) the only option is to test if running IE.
            if (!isIE && eventArguments) {
                delete eventArguments.layerX;
                delete eventArguments.layerY;
            }

            extend(event, eventArguments);

            // Prevent jQuery from triggering the object method that is named the
            // same as the event. For example, if the event is 'select', jQuery
            // attempts calling el.select and it goes into a loop.
            if (el[type]) {
                el[detachedType] = el[type];
                el[type] = null;
            }

            // Wrap preventDefault and stopPropagation in try/catch blocks in
            // order to prevent JS errors when cancelling events on non-DOM
            // objects. #615.
            each(['preventDefault', 'stopPropagation'], function (fn) {
                var base = event[fn];
                event[fn] = function () {
                    try {
                        base.call(event);
                    } catch (e) {
                        if (fn === 'preventDefault') {
                            defaultPrevented = true;
                        }
                    }
                };
            });

            // trigger it
            jQ(el).trigger(event);

            // attach the method
            if (el[detachedType]) {
                el[type] = el[detachedType];
                el[detachedType] = null;
            }

            if (defaultFunction && !event.isDefaultPrevented() && !defaultPrevented) {
                defaultFunction(event);
            }
        };

        /**
         * Extension method needed for MooTools
         */
        washMouseEvent = function (e) {
            return e;
        };

        /**
         * Animate a HTML element or SVG element wrapper
         * @param {Object} el
         * @param {Object} params
         * @param {Object} options jQuery-like animation options: duration, easing, callback
         */
        animate = function (el, params, options) {
            var $el = jQ(el);
            if (params.d) {
                el.toD = params.d; // keep the array form for paths, used in jQ.fx.step.d
                params.d = 1; // because in jQuery, animating to an array has a different meaning
            }

            $el.stop();
            $el.animate(params, options);

        };
        /**
         * Stop running animation
         */
        stop = function (el) {
            jQ(el).stop();
        };


        //=== Extend jQuery on init

        /*jslint unparam: true*/
        /* allow unused param x in this function */
        jQ.extend(jQ.easing, {
            easeOutQuad: function (x, t, b, c, d) {
                return -c * (t /= d) * (t - 2) + b;
            }
        });
        /*jslint unparam: false*/

        // extend the animate function to allow SVG animations
        var jFx = jQ.fx,
            jStep = jFx.step;

        // extend some methods to check for elem.attr, which means it is a Highcharts SVG object
        each(['cur', '_default', 'width', 'height'], function (fn, i) {
            var obj = jStep,
                base,
                elem;

            // Handle different parent objects
            if (fn === 'cur') {
                obj = jFx.prototype; // 'cur', the getter, relates to jFx.prototype

            } else if (fn === '_default' && jQ.Tween) { // jQuery 1.8 model
                obj = jQ.Tween.propHooks[fn];
                fn = 'set';
            }

            // Overwrite the method
            base = obj[fn];
            if (base) { // step.width and step.height don't exist in jQuery < 1.7

                // create the extended function replacement
                obj[fn] = function (fx) {

                    // jFx.prototype.cur does not use fx argument
                    fx = i ? fx : this;

                    // shortcut
                    elem = fx.elem;

                    // jFX.prototype.cur returns the current value. The other ones are setters
                    // and returning a value has no effect.
                    return elem.attr ? // is SVG element wrapper
                        elem.attr(fx.prop, fn === 'cur' ? UNDEFINED : fx.now) : // apply the SVG wrapper's method
                        base.apply(this, arguments); // use jQuery's built-in method
                };
            }
        });

        // animate paths
        jStep.d = function (fx) {
            var elem = fx.elem;


            // Normally start and end should be set in state == 0, but sometimes,
            // for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
            // in these cases
            if (!fx.started) {
                var ends = pathAnim.init(elem, elem.d, elem.toD);
                fx.start = ends[0];
                fx.end = ends[1];
                fx.started = true;
            }


            // interpolate each value of the path
            elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));

        };
    }

    /* ****************************************************************************
     * Handle the options                                                         *
     *****************************************************************************/
    var

        defaultLabelOptions = {
            enabled: true,
            // rotation: 0,
            align: 'center',
            x: 0,
            y: 15,
            /*formatter: function () {
             return this.value;
             },*/
            style: {
                color: '#666',
                fontSize: '11px',
                lineHeight: '14px'
            }
        };

    defaultOptions = {
        colors: ['#4572A7', '#AA4643', '#89A54E', '#80699B', '#3D96AE',
            '#DB843D', '#92A8CD', '#A47D7C', '#B5CA92'],
        symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'],
        lang: {
            loading: 'Loading...',
            months: ['January', 'February', 'March', 'April', 'May', 'June', 'July',
                'August', 'September', 'October', 'November', 'December'],
            shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
            weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
            decimalPoint: '.',
            resetZoom: 'Reset zoom',
            resetZoomTitle: 'Reset zoom level 1:1',
            thousandsSep: ','
        },
        global: {
            useUTC: true,
            canvasToolsURL: 'http://code.highcharts.com/2.2.5/modules/canvas-tools.js'
        },
        chart: {
            //animation: true,
            //alignTicks: false,
            //reflow: true,
            //className: null,
            //events: { load, selection },
            //margin: [null],
            //marginTop: null,
            //marginRight: null,
            //marginBottom: null,
            //marginLeft: null,
            borderColor: '#4572A7',
            //borderWidth: 0,
            borderRadius: 5,
            defaultSeriesType: 'line',
            ignoreHiddenSeries: true,
            //inverted: false,
            //shadow: false,
            spacingTop: 10,
            spacingRight: 10,
            spacingBottom: 15,
            spacingLeft: 10,
            style: {
                fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font
                fontSize: '12px'
            },
            backgroundColor: '#FFFFFF',
            //plotBackgroundColor: null,
            plotBorderColor: '#C0C0C0',
            //plotBorderWidth: 0,
            //plotShadow: false,
            //zoomType: ''
            resetZoomButton: {
                theme: {
                    zIndex: 20
                },
                position: {
                    align: 'right',
                    x: -10,
                    //verticalAlign: 'top',
                    y: 10
                }
                // relativeTo: 'plot'
            }
        },
        title: {
            text: 'Chart title',
            align: 'center',
            // floating: false,
            // margin: 15,
            // x: 0,
            // verticalAlign: 'top',
            y: 15,
            style: {
                color: '#3E576F',
                fontSize: '16px'
            }

        },
        subtitle: {
            text: '',
            align: 'center',
            // floating: false
            // x: 0,
            // verticalAlign: 'top',
            y: 30,
            style: {
                color: '#6D869F'
            }
        },

        plotOptions: {
            line: { // base series options
                allowPointSelect: false,
                showCheckbox: false,
                animation: {
                    duration: 1000
                },
                //connectNulls: false,
                //cursor: 'default',
                //clip: true,
                //dashStyle: null,
                //enableMouseTracking: true,
                events: {},
                //legendIndex: 0,
                lineWidth: 2,
                shadow: true,
                // stacking: null,
                marker: {
                    enabled: true,
                    //symbol: null,
                    lineWidth: 0,
                    radius: 4,
                    lineColor: '#FFFFFF',
                    //fillColor: null,
                    states: { // states for a single point
                        hover: {
                            //radius: base + 2
                        },
                        select: {
                            fillColor: '#FFFFFF',
                            lineColor: '#000000',
                            lineWidth: 2
                        }
                    }
                },
                point: {
                    events: {}
                },
                dataLabels: merge(defaultLabelOptions, {
                    enabled: false,
                    y: -6,
                    formatter: function () {
                        return this.y;
                    }
                    // backgroundColor: undefined,
                    // borderColor: undefined,
                    // borderRadius: undefined,
                    // borderWidth: undefined,
                    // padding: 3,
                    // shadow: false
                }),
                cropThreshold: 300, // draw points outside the plot area when the number of points is less than this
                pointRange: 0,
                //pointStart: 0,
                //pointInterval: 1,
                showInLegend: true,
                states: { // states for the entire series
                    hover: {
                        //enabled: false,
                        //lineWidth: base + 1,
                        marker: {
                            // lineWidth: base + 1,
                            // radius: base + 1
                        }
                    },
                    select: {
                        marker: {}
                    }
                },
                stickyTracking: true
                //tooltip: {
                //pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.y}</b>'
                //valueDecimals: null,
                //xDateFormat: '%A, %b %e, %Y',
                //valuePrefix: '',
                //ySuffix: ''				
                //}
                // turboThreshold: 1000
                // zIndex: null
            }
        },
        labels: {
            //items: [],
            style: {
                //font: defaultFont,
                position: ABSOLUTE,
                color: '#3E576F'
            }
        },
        legend: {
            enabled: true,
            align: 'center',
            //floating: false,
            layout: 'horizontal',
            labelFormatter: function () {
                return this.name;
            },
            borderWidth: 1,
            borderColor: '#909090',
            borderRadius: 5,
            navigation: {
                // animation: true,
                activeColor: '#3E576F',
                // arrowSize: 12
                inactiveColor: '#CCC'
                // style: {} // text styles
            },
            // margin: 10,
            // reversed: false,
            shadow: false,
            // backgroundColor: null,
            /*style: {
             padding: '5px'
             },*/
            itemStyle: {
                cursor: 'pointer',
                color: '#3E576F',
                fontSize: '12px'
            },
            itemHoverStyle: {
                //cursor: 'pointer', removed as of #601
                color: '#000'
            },
            itemHiddenStyle: {
                color: '#CCC'
            },
            itemCheckboxStyle: {
                position: ABSOLUTE,
                width: '13px', // for IE precision
                height: '13px'
            },
            // itemWidth: undefined,
            symbolWidth: 16,
            symbolPadding: 5,
            verticalAlign: 'bottom',
            // width: undefined,
            x: 0,
            y: 0
        },

        loading: {
            // hideDuration: 100,
            labelStyle: {
                fontWeight: 'bold',
                position: RELATIVE,
                top: '1em'
            },
            // showDuration: 0,
            style: {
                position: ABSOLUTE,
                backgroundColor: 'white',
                opacity: 0.5,
                textAlign: 'center'
            }
        },

        tooltip: {
            enabled: true,
            //crosshairs: null,
            backgroundColor: 'rgba(255, 255, 255, .85)',
            borderWidth: 2,
            borderRadius: 5,
            dateTimeLabelFormats: {
                millisecond: '%A, %b %e, %H:%M:%S.%L',
                second: '%A, %b %e, %H:%M:%S',
                minute: '%A, %b %e, %H:%M',
                hour: '%A, %b %e, %H:%M',
                day: '%A, %b %e, %Y',
                week: 'Week from %A, %b %e, %Y',
                month: '%B %Y',
                year: '%Y'
            },
            //formatter: defaultFormatter,
            headerFormat: '<span style="font-size: 10px">{point.key}</span><br/>',
            pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.y}</b><br/>',
            shadow: true,
            shared: useCanVG,
            snap: hasTouch ? 25 : 10,
            style: {
                color: '#333333',
                fontSize: '12px',
                padding: '5px',
                whiteSpace: 'nowrap'
            }
            //xDateFormat: '%A, %b %e, %Y',
            //valueDecimals: null,
            //valuePrefix: '',
            //valueSuffix: ''
        },

        credits: {
            enabled: true,
            text: 'Highcharts.com',
            href: 'http://www.highcharts.com',
            position: {
                align: 'right',
                x: -10,
                verticalAlign: 'bottom',
                y: -5
            },
            style: {
                cursor: 'pointer',
                color: '#909090',
                fontSize: '10px'
            }
        }
    };


// Series defaults
    var defaultPlotOptions = defaultOptions.plotOptions,
        defaultSeriesOptions = defaultPlotOptions.line;

// set the default time methods
    setTimeMethods();


    /**
     * Set the time methods globally based on the useUTC option. Time method can be either
     * local time or UTC (default).
     */
    function setTimeMethods() {
        var useUTC = defaultOptions.global.useUTC,
            GET = useUTC ? 'getUTC' : 'get',
            SET = useUTC ? 'setUTC' : 'set';

        makeTime = useUTC ? Date.UTC : function (year, month, date, hours, minutes, seconds) {
            return new Date(
                year,
                month,
                pick(date, 1),
                pick(hours, 0),
                pick(minutes, 0),
                pick(seconds, 0)
            ).getTime();
        };
        getMinutes = GET + 'Minutes';
        getHours = GET + 'Hours';
        getDay = GET + 'Day';
        getDate = GET + 'Date';
        getMonth = GET + 'Month';
        getFullYear = GET + 'FullYear';
        setMinutes = SET + 'Minutes';
        setHours = SET + 'Hours';
        setDate = SET + 'Date';
        setMonth = SET + 'Month';
        setFullYear = SET + 'FullYear';

    }

    /**
     * Merge the default options with custom options and return the new options structure
     * @param {Object} options The new custom options
     */
    function setOptions(options) {

        // Pull out axis options and apply them to the respective default axis options 
        /*defaultXAxisOptions = merge(defaultXAxisOptions, options.xAxis);
         defaultYAxisOptions = merge(defaultYAxisOptions, options.yAxis);
         options.xAxis = options.yAxis = UNDEFINED;*/

        // Merge in the default options
        defaultOptions = merge(defaultOptions, options);

        // Apply UTC
        setTimeMethods();

        return defaultOptions;
    }

    /**
     * Get the updated default options. Merely exposing defaultOptions for outside modules
     * isn't enough because the setOptions method creates a new object.
     */
    function getOptions() {
        return defaultOptions;
    }


    /**
     * Handle color operations. The object methods are chainable.
     * @param {String} input The input color in either rbga or hex format
     */
    var Color = function (input) {
        // declare variables
        var rgba = [], result;

        /**
         * Parse the input color to rgba array
         * @param {String} input
         */
        function init(input) {

            // rgba
            result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/.exec(input);
            if (result) {
                rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
            } else { // hex
                result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(input);
                if (result) {
                    rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
                }
            }

        }

        /**
         * Return the color a specified format
         * @param {String} format
         */
        function get(format) {
            var ret;

            // it's NaN if gradient colors on a column chart
            if (rgba && !isNaN(rgba[0])) {
                if (format === 'rgb') {
                    ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
                } else if (format === 'a') {
                    ret = rgba[3];
                } else {
                    ret = 'rgba(' + rgba.join(',') + ')';
                }
            } else {
                ret = input;
            }
            return ret;
        }

        /**
         * Brighten the color
         * @param {Number} alpha
         */
        function brighten(alpha) {
            if (isNumber(alpha) && alpha !== 0) {
                var i;
                for (i = 0; i < 3; i++) {
                    rgba[i] += pInt(alpha * 255);

                    if (rgba[i] < 0) {
                        rgba[i] = 0;
                    }
                    if (rgba[i] > 255) {
                        rgba[i] = 255;
                    }
                }
            }
            return this;
        }

        /**
         * Set the color's opacity to a given alpha value
         * @param {Number} alpha
         */
        function setOpacity(alpha) {
            rgba[3] = alpha;
            return this;
        }

        // initialize: parse the input
        init(input);

        // public methods
        return {
            get: get,
            brighten: brighten,
            setOpacity: setOpacity
        };
    };


    /**
     * A wrapper object for SVG elements
     */
    function SVGElement() {
    }

    SVGElement.prototype = {
        /**
         * Initialize the SVG renderer
         * @param {Object} renderer
         * @param {String} nodeName
         */
        init: function (renderer, nodeName) {
            var wrapper = this;
            wrapper.element = nodeName === 'span' ?
                createElement(nodeName) :
                doc.createElementNS(SVG_NS, nodeName);
            wrapper.renderer = renderer;
            /**
             * A collection of attribute setters. These methods, if defined, are called right before a certain
             * attribute is set on an element wrapper. Returning false prevents the default attribute
             * setter to run. Returning a value causes the default setter to set that value. Used in
             * Renderer.label.
             */
            wrapper.attrSetters = {};
        },
        /**
         * Animate a given attribute
         * @param {Object} params
         * @param {Number} options The same options as in jQuery animation
         * @param {Function} complete Function to perform at the end of animation
         */
        animate: function (params, options, complete) {
            var animOptions = pick(options, globalAnimation, true);
            stop(this); // stop regardless of animation actually running, or reverting to .attr (#607)
            if (animOptions) {
                animOptions = merge(animOptions);
                if (complete) { // allows using a callback with the global animation without overwriting it
                    animOptions.complete = complete;
                }
                animate(this, params, animOptions);
            } else {
                this.attr(params);
                if (complete) {
                    complete();
                }
            }
        },
        /**
         * Set or get a given attribute
         * @param {Object|String} hash
         * @param {Mixed|Undefined} val
         */
        attr: function (hash, val) {
            var wrapper = this,
                key,
                value,
                result,
                i,
                child,
                element = wrapper.element,
                nodeName = element.nodeName,
                renderer = wrapper.renderer,
                skipAttr,
                titleNode,
                attrSetters = wrapper.attrSetters,
                shadows = wrapper.shadows,
                hasSetSymbolSize,
                doTransform,
                ret = wrapper;

            // single key-value pair
            if (isString(hash) && defined(val)) {
                key = hash;
                hash = {};
                hash[key] = val;
            }

            // used as a getter: first argument is a string, second is undefined
            if (isString(hash)) {
                key = hash;
                if (nodeName === 'circle') {
                    key = { x: 'cx', y: 'cy' }[key] || key;
                } else if (key === 'strokeWidth') {
                    key = 'stroke-width';
                }
                ret = attr(element, key) || wrapper[key] || 0;

                if (key !== 'd' && key !== 'visibility') { // 'd' is string in animation step
                    ret = parseFloat(ret);
                }

                // setter
            } else {

                for (key in hash) {
                    skipAttr = false; // reset
                    value = hash[key];

                    // check for a specific attribute setter
                    result = attrSetters[key] && attrSetters[key](value, key);

                    if (result !== false) {
                        if (result !== UNDEFINED) {
                            value = result; // the attribute setter has returned a new value to set
                        }

                        // paths
                        if (key === 'd') {
                            if (value && value.join) { // join path
                                value = value.join(' ');
                            }
                            if (/(NaN| {2}|^$)/.test(value)) {
                                value = 'M 0 0';
                            }
                            //wrapper.d = value; // shortcut for animations

                            // update child tspans x values
                        } else if (key === 'x' && nodeName === 'text') {
                            for (i = 0; i < element.childNodes.length; i++) {
                                child = element.childNodes[i];
                                // if the x values are equal, the tspan represents a linebreak
                                if (attr(child, 'x') === attr(element, 'x')) {
                                    //child.setAttribute('x', value);
                                    attr(child, 'x', value);
                                }
                            }

                            if (wrapper.rotation) {
                                attr(element, 'transform', 'rotate(' + wrapper.rotation + ' ' + value + ' ' +
                                    pInt(hash.y || attr(element, 'y')) + ')');
                            }

                            // apply gradients
                        } else if (key === 'fill') {
                            value = renderer.color(value, element, key);

                            // circle x and y
                        } else if (nodeName === 'circle' && (key === 'x' || key === 'y')) {
                            key = { x: 'cx', y: 'cy' }[key] || key;

                            // rectangle border radius
                        } else if (nodeName === 'rect' && key === 'r') {
                            attr(element, {
                                rx: value,
                                ry: value
                            });
                            skipAttr = true;

                            // translation and text rotation
                        } else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'verticalAlign') {
                            doTransform = true;
                            skipAttr = true;

                            // apply opacity as subnode (required by legacy WebKit and Batik)
                        } else if (key === 'stroke') {
                            value = renderer.color(value, element, key);

                            // emulate VML's dashstyle implementation
                        } else if (key === 'dashstyle') {
                            key = 'stroke-dasharray';
                            value = value && value.toLowerCase();
                            if (value === 'solid') {
                                value = NONE;
                            } else if (value) {
                                value = value
                                    .replace('shortdashdotdot', '3,1,1,1,1,1,')
                                    .replace('shortdashdot', '3,1,1,1')
                                    .replace('shortdot', '1,1,')
                                    .replace('shortdash', '3,1,')
                                    .replace('longdash', '8,3,')
                                    .replace(/dot/g, '1,3,')
                                    .replace('dash', '4,3,')
                                    .replace(/,$/, '')
                                    .split(','); // ending comma

                                i = value.length;
                                while (i--) {
                                    value[i] = pInt(value[i]) * hash['stroke-width'];
                                }
                                value = value.join(',');
                            }

                            // special
                        } else if (key === 'isTracker') {
                            wrapper[key] = value;

                            // IE9/MooTools combo: MooTools returns objects instead of numbers and IE9 Beta 2
                            // is unable to cast them. Test again with final IE9.
                        } else if (key === 'width') {
                            value = pInt(value);

                            // Text alignment
                        } else if (key === 'align') {
                            key = 'text-anchor';
                            value = { left: 'start', center: 'middle', right: 'end' }[value];

                            // Title requires a subnode, #431
                        } else if (key === 'title') {
                            titleNode = element.getElementsByTagName('title')[0];
                            if (!titleNode) {
                                titleNode = doc.createElementNS(SVG_NS, 'title');
                                element.appendChild(titleNode);
                            }
                            titleNode.textContent = value;
                        }

                        // jQuery animate changes case
                        if (key === 'strokeWidth') {
                            key = 'stroke-width';
                        }

                        // Chrome/Win < 6 bug (http://code.google.com/p/chromium/issues/detail?id=15461)
                        if (isWebKit && key === 'stroke-width' && value === 0) {
                            value = 0.000001;
                        }

                        // symbols
                        if (wrapper.symbolName && /^(x|y|width|height|r|start|end|innerR|anchorX|anchorY)/.test(key)) {


                            if (!hasSetSymbolSize) {
                                wrapper.symbolAttr(hash);
                                hasSetSymbolSize = true;
                            }
                            skipAttr = true;
                        }

                        // let the shadow follow the main element
                        if (shadows && /^(width|height|visibility|x|y|d|transform)$/.test(key)) {
                            i = shadows.length;
                            while (i--) {
                                attr(
                                    shadows[i],
                                    key,
                                    key === 'height' ?
                                        mathMax(value - (shadows[i].cutHeight || 0), 0) :
                                        value
                                );
                            }
                        }

                        // validate heights
                        if ((key === 'width' || key === 'height') && nodeName === 'rect' && value < 0) {
                            value = 0;
                        }

                        // Record for animation and quick access without polling the DOM
                        wrapper[key] = value;

                        // Update transform
                        if (doTransform) {
                            wrapper.updateTransform();
                        }


                        if (key === 'text') {
                            // only one node allowed
                            wrapper.textStr = value;
                            if (wrapper.added) {
                                renderer.buildText(wrapper);
                            }
                        } else if (!skipAttr) {
                            attr(element, key, value);
                        }

                    }

                }

            }

            // Workaround for our #732, WebKit's issue https://bugs.webkit.org/show_bug.cgi?id=78385
            // TODO: If the WebKit team fix this bug before the final release of Chrome 18, remove the workaround.
            if (isWebKit && /Chrome\/(18|19)/.test(userAgent)) {
                if (nodeName === 'text' && (hash.x !== UNDEFINED || hash.y !== UNDEFINED)) {
                    var parent = element.parentNode,
                        next = element.nextSibling;

                    if (parent) {
                        parent.removeChild(element);
                        if (next) {
                            parent.insertBefore(element, next);
                        } else {
                            parent.appendChild(element);
                        }
                    }
                }
            }
            // End of workaround for #732

            return ret;
        },

        /**
         * If one of the symbol size affecting parameters are changed,
         * check all the others only once for each call to an element's
         * .attr() method
         * @param {Object} hash
         */
        symbolAttr: function (hash) {
            var wrapper = this;

            each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function (key) {
                wrapper[key] = pick(hash[key], wrapper[key]);
            });

            wrapper.attr({
                d: wrapper.renderer.symbols[wrapper.symbolName](wrapper.x, wrapper.y, wrapper.width, wrapper.height, wrapper)
            });
        },

        /**
         * Apply a clipping path to this object
         * @param {String} id
         */
        clip: function (clipRect) {
            return this.attr('clip-path', 'url(' + this.renderer.url + '#' + clipRect.id + ')');
        },

        /**
         * Calculate the coordinates needed for drawing a rectangle crisply and return the
         * calculated attributes
         * @param {Number} strokeWidth
         * @param {Number} x
         * @param {Number} y
         * @param {Number} width
         * @param {Number} height
         */
        crisp: function (strokeWidth, x, y, width, height) {

            var wrapper = this,
                key,
                attribs = {},
                values = {},
                normalizer;

            strokeWidth = strokeWidth || wrapper.strokeWidth || (wrapper.attr && wrapper.attr('stroke-width')) || 0;
            normalizer = mathRound(strokeWidth) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors

            // normalize for crisp edges
            values.x = mathFloor(x || wrapper.x || 0) + normalizer;
            values.y = mathFloor(y || wrapper.y || 0) + normalizer;
            values.width = mathFloor((width || wrapper.width || 0) - 2 * normalizer);
            values.height = mathFloor((height || wrapper.height || 0) - 2 * normalizer);
            values.strokeWidth = strokeWidth;

            for (key in values) {
                if (wrapper[key] !== values[key]) { // only set attribute if changed
                    wrapper[key] = attribs[key] = values[key];
                }
            }

            return attribs;
        },

        /**
         * Set styles for the element
         * @param {Object} styles
         */
        css: function (styles) {
            /*jslint unparam: true*/
            /* allow unused param a in the regexp function below */
            var elemWrapper = this,
                elem = elemWrapper.element,
                textWidth = styles && styles.width && elem.nodeName === 'text',
                n,
                serializedCss = '',
                hyphenate = function (a, b) {
                    return '-' + b.toLowerCase();
                };
            /*jslint unparam: false*/

            // convert legacy
            if (styles && styles.color) {
                styles.fill = styles.color;
            }

            // Merge the new styles with the old ones
            styles = extend(
                elemWrapper.styles,
                styles
            );

            // store object
            elemWrapper.styles = styles;

            // serialize and set style attribute
            if (isIE && !hasSVG) { // legacy IE doesn't support setting style attribute
                if (textWidth) {
                    delete styles.width;
                }
                css(elemWrapper.element, styles);
            } else {
                for (n in styles) {
                    serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
                }
                elemWrapper.attr({
                    style: serializedCss
                });
            }


            // re-build text
            if (textWidth && elemWrapper.added) {
                elemWrapper.renderer.buildText(elemWrapper);
            }

            return elemWrapper;
        },

        /**
         * Add an event listener
         * @param {String} eventType
         * @param {Function} handler
         */
        on: function (eventType, handler) {
            var fn = handler;
            // touch
            if (hasTouch && eventType === 'click') {
                eventType = 'touchstart';
                fn = function (e) {
                    e.preventDefault();
                    handler();
                };
            }
            // simplest possible event model for internal use
            this.element['on' + eventType] = fn;
            return this;
        },

        /**
         * Set the coordinates needed to draw a consistent radial gradient across
         * pie slices regardless of positioning inside the chart. The format is
         * [centerX, centerY, diameter] in pixels.
         */
        setRadialReference: function (coordinates) {
            this.element.radialReference = coordinates;
            return this;
        },

        /**
         * Move an object and its children by x and y values
         * @param {Number} x
         * @param {Number} y
         */
        translate: function (x, y) {
            return this.attr({
                translateX: x,
                translateY: y
            });
        },

        /**
         * Invert a group, rotate and flip
         */
        invert: function () {
            var wrapper = this;
            wrapper.inverted = true;
            wrapper.updateTransform();
            return wrapper;
        },

        /**
         * Apply CSS to HTML elements. This is used in text within SVG rendering and
         * by the VML renderer
         */
        htmlCss: function (styles) {
            var wrapper = this,
                element = wrapper.element,
                textWidth = styles && element.tagName === 'SPAN' && styles.width;

            if (textWidth) {
                delete styles.width;
                wrapper.textWidth = textWidth;
                wrapper.updateTransform();
            }

            wrapper.styles = extend(wrapper.styles, styles);
            css(wrapper.element, styles);

            return wrapper;
        },


        /**
         * VML and useHTML method for calculating the bounding box based on offsets
         * @param {Boolean} refresh Whether to force a fresh value from the DOM or to
         * use the cached value
         *
         * @return {Object} A hash containing values for x, y, width and height
         */

        htmlGetBBox: function (refresh) {
            var wrapper = this,
                element = wrapper.element,
                bBox = wrapper.bBox;

            // faking getBBox in exported SVG in legacy IE
            if (!bBox || refresh) {
                // faking getBBox in exported SVG in legacy IE
                if (element.nodeName === 'text') {
                    element.style.position = ABSOLUTE;
                }

                bBox = wrapper.bBox = {
                    x: element.offsetLeft,
                    y: element.offsetTop,
                    width: element.offsetWidth,
                    height: element.offsetHeight
                };
            }

            return bBox;
        },

        /**
         * VML override private method to update elements based on internal
         * properties based on SVG transform
         */
        htmlUpdateTransform: function () {
            // aligning non added elements is expensive
            if (!this.added) {
                this.alignOnAdd = true;
                return;
            }

            var wrapper = this,
                renderer = wrapper.renderer,
                elem = wrapper.element,
                translateX = wrapper.translateX || 0,
                translateY = wrapper.translateY || 0,
                x = wrapper.x || 0,
                y = wrapper.y || 0,
                align = wrapper.textAlign || 'left',
                alignCorrection = { left: 0, center: 0.5, right: 1 }[align],
                nonLeft = align && align !== 'left',
                shadows = wrapper.shadows;

            // apply translate
            if (translateX || translateY) {
                css(elem, {
                    marginLeft: translateX,
                    marginTop: translateY
                });
                if (shadows) { // used in labels/tooltip
                    each(shadows, function (shadow) {
                        css(shadow, {
                            marginLeft: translateX + 1,
                            marginTop: translateY + 1
                        });
                    });
                }
            }

            // apply inversion
            if (wrapper.inverted) { // wrapper is a group
                each(elem.childNodes, function (child) {
                    renderer.invertChild(child, elem);
                });
            }

            if (elem.tagName === 'SPAN') {

                var width, height,
                    rotation = wrapper.rotation,
                    baseline,
                    radians = 0,
                    costheta = 1,
                    sintheta = 0,
                    quad,
                    textWidth = pInt(wrapper.textWidth),
                    xCorr = wrapper.xCorr || 0,
                    yCorr = wrapper.yCorr || 0,
                    currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');

                if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed

                    if (defined(rotation)) {
                        radians = rotation * deg2rad; // deg to rad
                        costheta = mathCos(radians);
                        sintheta = mathSin(radians);

                        // Adjust for alignment and rotation. Rotation of useHTML content is not yet implemented
                        // but it can probably be implemented for Firefox 3.5+ on user request. FF3.5+
                        // has support for CSS3 transform. The getBBox method also needs to be updated
                        // to compensate for the rotation, like it currently does for SVG.
                        // Test case: http://highcharts.com/tests/?file=text-rotation
                        css(elem, {
                            filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
                                ', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
                                ', sizingMethod=\'auto expand\')'].join('') : NONE
                        });
                    }

                    width = pick(wrapper.elemWidth, elem.offsetWidth);
                    height = pick(wrapper.elemHeight, elem.offsetHeight);

                    // update textWidth
                    if (width > textWidth && /[ \-]/.test(elem.innerText)) { // #983
                        css(elem, {
                            width: textWidth + PX,
                            display: 'block',
                            whiteSpace: 'normal'
                        });
                        width = textWidth;
                    }

                    // correct x and y
                    baseline = renderer.fontMetrics(elem.style.fontSize).b;
                    xCorr = costheta < 0 && -width;
                    yCorr = sintheta < 0 && -height;

                    // correct for baseline and corners spilling out after rotation
                    quad = costheta * sintheta < 0;
                    xCorr += sintheta * baseline * (quad ? 1 - alignCorrection : alignCorrection);
                    yCorr -= costheta * baseline * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1);

                    // correct for the length/height of the text
                    if (nonLeft) {
                        xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1);
                        if (rotation) {
                            yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1);
                        }
                        css(elem, {
                            textAlign: align
                        });
                    }

                    // record correction
                    wrapper.xCorr = xCorr;
                    wrapper.yCorr = yCorr;
                }

                // apply position with correction
                css(elem, {
                    left: (x + xCorr) + PX,
                    top: (y + yCorr) + PX
                });

                // record current text transform
                wrapper.cTT = currentTextTransform;
            }
        },

        /**
         * Private method to update the transform attribute based on internal
         * properties
         */
        updateTransform: function () {
            var wrapper = this,
                translateX = wrapper.translateX || 0,
                translateY = wrapper.translateY || 0,
                inverted = wrapper.inverted,
                rotation = wrapper.rotation,
                transform = [];

            // flipping affects translate as adjustment for flipping around the group's axis
            if (inverted) {
                translateX += wrapper.attr('width');
                translateY += wrapper.attr('height');
            }

            // apply translate
            if (translateX || translateY) {
                transform.push('translate(' + translateX + ',' + translateY + ')');
            }

            // apply rotation
            if (inverted) {
                transform.push('rotate(90) scale(-1,1)');
            } else if (rotation) { // text rotation
                transform.push('rotate(' + rotation + ' ' + (wrapper.x || 0) + ' ' + (wrapper.y || 0) + ')');
            }

            if (transform.length) {
                attr(wrapper.element, 'transform', transform.join(' '));
            }
        },
        /**
         * Bring the element to the front
         */
        toFront: function () {
            var element = this.element;
            element.parentNode.appendChild(element);
            return this;
        },


        /**
         * Break down alignment options like align, verticalAlign, x and y
         * to x and y relative to the chart.
         *
         * @param {Object} alignOptions
         * @param {Boolean} alignByTranslate
         * @param {Object} box The box to align to, needs a width and height
         *
         */
        align: function (alignOptions, alignByTranslate, box) {
            var elemWrapper = this;

            if (!alignOptions) { // called on resize
                alignOptions = elemWrapper.alignOptions;
                alignByTranslate = elemWrapper.alignByTranslate;
            } else { // first call on instanciate
                elemWrapper.alignOptions = alignOptions;
                elemWrapper.alignByTranslate = alignByTranslate;
                if (!box) { // boxes other than renderer handle this internally
                    elemWrapper.renderer.alignedObjects.push(elemWrapper);
                }
            }

            box = pick(box, elemWrapper.renderer);

            var align = alignOptions.align,
                vAlign = alignOptions.verticalAlign,
                x = (box.x || 0) + (alignOptions.x || 0), // default: left align
                y = (box.y || 0) + (alignOptions.y || 0), // default: top align
                attribs = {};


            // align
            if (/^(right|center)$/.test(align)) {
                x += (box.width - (alignOptions.width || 0)) /
                    { right: 1, center: 2 }[align];
            }
            attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);


            // vertical align
            if (/^(bottom|middle)$/.test(vAlign)) {
                y += (box.height - (alignOptions.height || 0)) /
                    ({ bottom: 1, middle: 2 }[vAlign] || 1);

            }
            attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);

            // animate only if already placed
            elemWrapper[elemWrapper.placed ? 'animate' : 'attr'](attribs);
            elemWrapper.placed = true;
            elemWrapper.alignAttr = attribs;

            return elemWrapper;
        },

        /**
         * Get the bounding box (width, height, x and y) for the element
         */
        getBBox: function (refresh) {
            var wrapper = this,
                bBox,
                width,
                height,
                rotation = wrapper.rotation,
                element = wrapper.element,
                rad = rotation * deg2rad;

            // SVG elements
            if (element.namespaceURI === SVG_NS || wrapper.renderer.forExport) {
                try { // Fails in Firefox if the container has display: none.

                    bBox = element.getBBox ?
                        // SVG: use extend because IE9 is not allowed to change width and height in case
                        // of rotation (below)
                        extend({}, element.getBBox()) :
                        // Canvas renderer and legacy IE in export mode
                    {
                        width: element.offsetWidth,
                        height: element.offsetHeight
                    };
                } catch (e) {
                }

                // If the bBox is not set, the try-catch block above failed. The other condition
                // is for Opera that returns a width of -Infinity on hidden elements.
                if (!bBox || bBox.width < 0) {
                    bBox = { width: 0, height: 0 };
                }

                width = bBox.width;
                height = bBox.height;

                // adjust for rotated text
                if (rotation) {
                    bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
                    bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
                }

                // VML Renderer or useHTML within SVG
            } else {
                bBox = wrapper.htmlGetBBox(refresh);
            }

            return bBox;
        },

        /**
         * Show the element
         */
        show: function () {
            return this.attr({ visibility: VISIBLE });
        },

        /**
         * Hide the element
         */
        hide: function () {
            return this.attr({ visibility: HIDDEN });
        },

        /**
         * Add the element
         * @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
         *    to append the element to the renderer.box.
         */
        add: function (parent) {

            var renderer = this.renderer,
                parentWrapper = parent || renderer,
                parentNode = parentWrapper.element || renderer.box,
                childNodes = parentNode.childNodes,
                element = this.element,
                zIndex = attr(element, 'zIndex'),
                otherElement,
                otherZIndex,
                i,
                inserted;

            // mark as inverted
            this.parentInverted = parent && parent.inverted;

            // build formatted text
            if (this.textStr !== undefined) {
                renderer.buildText(this);
            }

            // mark the container as having z indexed children
            if (zIndex) {
                parentWrapper.handleZ = true;
                zIndex = pInt(zIndex);
            }

            // insert according to this and other elements' zIndex
            if (parentWrapper.handleZ) { // this element or any of its siblings has a z index
                for (i = 0; i < childNodes.length; i++) {
                    otherElement = childNodes[i];
                    otherZIndex = attr(otherElement, 'zIndex');
                    if (otherElement !== element && (
                        // insert before the first element with a higher zIndex
                        pInt(otherZIndex) > zIndex ||
                            // if no zIndex given, insert before the first element with a zIndex
                            (!defined(zIndex) && defined(otherZIndex))

                        )) {
                        parentNode.insertBefore(element, otherElement);
                        inserted = true;
                        break;
                    }
                }
            }

            // default: append at the end
            if (!inserted) {
                parentNode.appendChild(element);
            }

            // mark as added
            this.added = true;

            // fire an event for internal hooks
            fireEvent(this, 'add');

            return this;
        },

        /**
         * Removes a child either by removeChild or move to garbageBin.
         * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
         */
        safeRemoveChild: function (element) {
            var parentNode = element.parentNode;
            if (parentNode) {
                parentNode.removeChild(element);
            }
        },

        /**
         * Destroy the element and element wrapper
         */
        destroy: function () {
            var wrapper = this,
                element = wrapper.element || {},
                shadows = wrapper.shadows,
                box = wrapper.box,
                key,
                i;

            // remove events
            element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = null;
            stop(wrapper); // stop running animations

            if (wrapper.clipPath) {
                wrapper.clipPath = wrapper.clipPath.destroy();
            }

            // Destroy stops in case this is a gradient object
            if (wrapper.stops) {
                for (i = 0; i < wrapper.stops.length; i++) {
                    wrapper.stops[i] = wrapper.stops[i].destroy();
                }
                wrapper.stops = null;
            }

            // remove element
            wrapper.safeRemoveChild(element);

            // destroy shadows
            if (shadows) {
                each(shadows, function (shadow) {
                    wrapper.safeRemoveChild(shadow);
                });
            }

            // destroy label box
            if (box) {
                box.destroy();
            }

            // remove from alignObjects
            erase(wrapper.renderer.alignedObjects, wrapper);

            for (key in wrapper) {
                delete wrapper[key];
            }

            return null;
        },

        /**
         * Empty a group element
         */
        empty: function () {
            var element = this.element,
                childNodes = element.childNodes,
                i = childNodes.length;

            while (i--) {
                element.removeChild(childNodes[i]);
            }
        },

        /**
         * Add a shadow to the element. Must be done after the element is added to the DOM
         * @param {Boolean} apply
         */
        shadow: function (apply, group, cutOff) {
            var shadows = [],
                i,
                shadow,
                element = this.element,
                strokeWidth,

            // compensate for inverted plot area
                transform = this.parentInverted ? '(-1,-1)' : '(1,1)';


            if (apply) {
                for (i = 1; i <= 3; i++) {
                    shadow = element.cloneNode(0);
                    strokeWidth = 7 - 2 * i;
                    attr(shadow, {
                        'isShadow': 'true',
                        'stroke': 'rgb(0, 0, 0)',
                        'stroke-opacity': 0.05 * i,
                        'stroke-width': strokeWidth,
                        'transform': 'translate' + transform,
                        'fill': NONE
                    });
                    if (cutOff) {
                        attr(shadow, 'height', mathMax(attr(shadow, 'height') - strokeWidth, 0));
                        shadow.cutHeight = strokeWidth;
                    }

                    if (group) {
                        group.element.appendChild(shadow);
                    } else {
                        element.parentNode.insertBefore(shadow, element);
                    }

                    shadows.push(shadow);
                }

                this.shadows = shadows;
            }
            return this;

        }
    };


    /**
     * The default SVG renderer
     */
    var SVGRenderer = function () {
        this.init.apply(this, arguments);
    };
    SVGRenderer.prototype = {
        Element: SVGElement,

        /**
         * Initialize the SVGRenderer
         * @param {Object} container
         * @param {Number} width
         * @param {Number} height
         * @param {Boolean} forExport
         */
        init: function (container, width, height, forExport) {
            var renderer = this,
                loc = location,
                boxWrapper;

            boxWrapper = renderer.createElement('svg')
                .attr({
                    xmlns: SVG_NS,
                    version: '1.1'
                });
            container.appendChild(boxWrapper.element);

            // object properties
            renderer.isSVG = true;
            renderer.box = boxWrapper.element;
            renderer.boxWrapper = boxWrapper;
            renderer.alignedObjects = [];
            renderer.url = isIE ? '' : loc.href.replace(/#.*?$/, '')
                .replace(/([\('\)])/g, '\\$1'); // Page url used for internal references. #24, #672.
            renderer.defs = this.createElement('defs').add();
            renderer.forExport = forExport;
            renderer.gradients = {}; // Object where gradient SvgElements are stored

            renderer.setSize(width, height, false);


            // Issue 110 workaround:
            // In Firefox, if a div is positioned by percentage, its pixel position may land
            // between pixels. The container itself doesn't display this, but an SVG element
            // inside this container will be drawn at subpixel precision. In order to draw
            // sharp lines, this must be compensated for. This doesn't seem to work inside
            // iframes though (like in jsFiddle).
            var subPixelFix, rect;
            if (isFirefox && container.getBoundingClientRect) {
                renderer.subPixelFix = subPixelFix = function () {
                    css(container, { left: 0, top: 0 });
                    rect = container.getBoundingClientRect();
                    css(container, {
                        left: (mathCeil(rect.left) - rect.left) + PX,
                        top: (mathCeil(rect.top) - rect.top) + PX
                    });
                };

                // run the fix now
                subPixelFix();

                // run it on resize
                addEvent(win, 'resize', subPixelFix);
            }
        },

        /**
         * Detect whether the renderer is hidden. This happens when one of the parent elements
         * has display: none. #608.
         */
        isHidden: function () {
            return !this.boxWrapper.getBBox().width;
        },

        /**
         * Destroys the renderer and its allocated members.
         */
        destroy: function () {
            var renderer = this,
                rendererDefs = renderer.defs;
            renderer.box = null;
            renderer.boxWrapper = renderer.boxWrapper.destroy();

            // Call destroy on all gradient elements
            destroyObjectProperties(renderer.gradients || {});
            renderer.gradients = null;

            // Defs are null in VMLRenderer
            // Otherwise, destroy them here.
            if (rendererDefs) {
                renderer.defs = rendererDefs.destroy();
            }

            // Remove sub pixel fix handler
            // We need to check that there is a handler, otherwise all functions that are registered for event 'resize' are removed
            // See issue #982
            if (renderer.subPixelFix) {
                removeEvent(win, 'resize', renderer.subPixelFix);
            }

            renderer.alignedObjects = null;

            return null;
        },

        /**
         * Create a wrapper for an SVG element
         * @param {Object} nodeName
         */
        createElement: function (nodeName) {
            var wrapper = new this.Element();
            wrapper.init(this, nodeName);
            return wrapper;
        },

        /**
         * Dummy function for use in canvas renderer
         */
        draw: function () {
        },

        /**
         * Parse a simple HTML string into SVG tspans
         *
         * @param {Object} textNode The parent text SVG node
         */
        buildText: function (wrapper) {
            var textNode = wrapper.element,
                lines = pick(wrapper.textStr, '').toString()
                    .replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
                    .replace(/<(i|em)>/g, '<span style="font-style:italic">')
                    .replace(/<a/g, '<span')
                    .replace(/<\/(b|strong|i|em|a)>/g, '</span>')
                    .split(/<br.*?>/g),
                childNodes = textNode.childNodes,
                styleRegex = /style="([^"]+)"/,
                hrefRegex = /href="([^"]+)"/,
                parentX = attr(textNode, 'x'),
                textStyles = wrapper.styles,
                width = textStyles && pInt(textStyles.width),
                textLineHeight = textStyles && textStyles.lineHeight,
                lastLine,
                GET_COMPUTED_STYLE = 'getComputedStyle',
                i = childNodes.length,
                linePositions = [];

            // Needed in IE9 because it doesn't report tspan's offsetHeight (#893)
            function getLineHeightByBBox(lineNo) {
                linePositions[lineNo] = textNode.getBBox().height;
                return mathRound(linePositions[lineNo] - (linePositions[lineNo - 1] || 0));
            }

            // remove old text
            while (i--) {
                textNode.removeChild(childNodes[i]);
            }

            if (width && !wrapper.added) {
                this.box.appendChild(textNode); // attach it to the DOM to read offset width
            }

            // remove empty line at end
            if (lines[lines.length - 1] === '') {
                lines.pop();
            }

            // build the lines
            each(lines, function (line, lineNo) {
                var spans, spanNo = 0, lineHeight;

                line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
                spans = line.split('|||');

                each(spans, function (span) {
                    if (span !== '' || spans.length === 1) {
                        var attributes = {},
                            tspan = doc.createElementNS(SVG_NS, 'tspan');
                        if (styleRegex.test(span)) {
                            attr(
                                tspan,
                                'style',
                                span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2')
                            );
                        }
                        if (hrefRegex.test(span)) {
                            attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
                            css(tspan, { cursor: 'pointer' });
                        }

                        span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
                            .replace(/&lt;/g, '<')
                            .replace(/&gt;/g, '>');

                        // issue #38 workaround.
                        /*if (reverse) {
                         arr = [];
                         i = span.length;
                         while (i--) {
                         arr.push(span.charAt(i));
                         }
                         span = arr.join('');
                         }*/

                        // add the text node
                        tspan.appendChild(doc.createTextNode(span));

                        if (!spanNo) { // first span in a line, align it to the left
                            attributes.x = parentX;
                        } else {
                            // Firefox ignores spaces at the front or end of the tspan
                            attributes.dx = 3; // space
                        }

                        // first span on subsequent line, add the line height
                        if (!spanNo) {
                            if (lineNo) {

                                // allow getting the right offset height in exporting in IE
                                if (!hasSVG && wrapper.renderer.forExport) {
                                    css(tspan, { display: 'block' });
                                }

                                // Webkit and opera sometimes return 'normal' as the line height. In that
                                // case, webkit uses offsetHeight, while Opera falls back to 18
                                lineHeight = win[GET_COMPUTED_STYLE] &&
                                    pInt(win[GET_COMPUTED_STYLE](lastLine, null).getPropertyValue('line-height'));

                                if (!lineHeight || isNaN(lineHeight)) {
                                    lineHeight = textLineHeight || lastLine.offsetHeight || getLineHeightByBBox(lineNo) || 18;
                                }
                                attr(tspan, 'dy', lineHeight);
                            }
                            lastLine = tspan; // record for use in next line
                        }

                        // add attributes
                        attr(tspan, attributes);

                        // append it
                        textNode.appendChild(tspan);

                        spanNo++;

                        // check width and apply soft breaks
                        if (width) {
                            var words = span.replace(/-/g, '- ').split(' '),
                                tooLong,
                                actualWidth,
                                rest = [];

                            while (words.length || rest.length) {
                                actualWidth = wrapper.getBBox().width;
                                tooLong = actualWidth > width;
                                if (!tooLong || words.length === 1) { // new line needed
                                    words = rest;
                                    rest = [];
                                    if (words.length) {
                                        tspan = doc.createElementNS(SVG_NS, 'tspan');
                                        attr(tspan, {
                                            dy: textLineHeight || 16,
                                            x: parentX
                                        });
                                        textNode.appendChild(tspan);

                                        if (actualWidth > width) { // a single word is pressing it out
                                            width = actualWidth;
                                        }
                                    }
                                } else { // append to existing line tspan
                                    tspan.removeChild(tspan.firstChild);
                                    rest.unshift(words.pop());
                                }
                                if (words.length) {
                                    tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
                                }
                            }
                        }
                    }
                });
            });
        },

        /**
         * Create a button with preset states
         * @param {String} text
         * @param {Number} x
         * @param {Number} y
         * @param {Function} callback
         * @param {Object} normalState
         * @param {Object} hoverState
         * @param {Object} pressedState
         */
        button: function (text, x, y, callback, normalState, hoverState, pressedState) {
            var label = this.label(text, x, y),
                curState = 0,
                stateOptions,
                stateStyle,
                normalStyle,
                hoverStyle,
                pressedStyle,
                STYLE = 'style',
                verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };

            // prepare the attributes
            /*jslint white: true*/
            normalState = merge(hash(
                STROKE_WIDTH, 1,
                STROKE, '#999',
                FILL, hash(
                    LINEAR_GRADIENT, verticalGradient,
                    STOPS, [
                        [0, '#FFF'],
                        [1, '#DDD']
                    ]
                ),
                'r', 3,
                'padding', 3,
                STYLE, hash(
                    'color', 'black'
                )
            ), normalState);
            /*jslint white: false*/
            normalStyle = normalState[STYLE];
            delete normalState[STYLE];

            /*jslint white: true*/
            hoverState = merge(normalState, hash(
                STROKE, '#68A',
                FILL, hash(
                    LINEAR_GRADIENT, verticalGradient,
                    STOPS, [
                        [0, '#FFF'],
                        [1, '#ACF']
                    ]
                )
            ), hoverState);
            /*jslint white: false*/
            hoverStyle = hoverState[STYLE];
            delete hoverState[STYLE];

            /*jslint white: true*/
            pressedState = merge(normalState, hash(
                STROKE, '#68A',
                FILL, hash(
                    LINEAR_GRADIENT, verticalGradient,
                    STOPS, [
                        [0, '#9BD'],
                        [1, '#CDF']
                    ]
                )
            ), pressedState);
            /*jslint white: false*/
            pressedStyle = pressedState[STYLE];
            delete pressedState[STYLE];

            // add the events
            addEvent(label.element, 'mouseenter', function () {
                label.attr(hoverState)
                    .css(hoverStyle);
            });
            addEvent(label.element, 'mouseleave', function () {
                stateOptions = [normalState, hoverState, pressedState][curState];
                stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
                label.attr(stateOptions)
                    .css(stateStyle);
            });

            label.setState = function (state) {
                curState = state;
                if (!state) {
                    label.attr(normalState)
                        .css(normalStyle);
                } else if (state === 2) {
                    label.attr(pressedState)
                        .css(pressedStyle);
                }
            };

            return label
                .on('click', function () {
                    callback.call(label);
                })
                .attr(normalState)
                .css(extend({ cursor: 'default' }, normalStyle));
        },

        /**
         * Make a straight line crisper by not spilling out to neighbour pixels
         * @param {Array} points
         * @param {Number} width
         */
        crispLine: function (points, width) {
            // points format: [M, 0, 0, L, 100, 0]
            // normalize to a crisp line
            if (points[1] === points[4]) {
                points[1] = points[4] = mathRound(points[1]) + (width % 2 / 2);
            }
            if (points[2] === points[5]) {
                points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
            }
            return points;
        },


        /**
         * Draw a path
         * @param {Array} path An SVG path in array form
         */
        path: function (path) {
            var attr = {
                fill: NONE
            };
            if (isArray(path)) {
                attr.d = path;
            } else if (isObject(path)) { // attributes
                extend(attr, path);
            }
            return this.createElement('path').attr(attr);
        },

        /**
         * Draw and return an SVG circle
         * @param {Number} x The x position
         * @param {Number} y The y position
         * @param {Number} r The radius
         */
        circle: function (x, y, r) {
            var attr = isObject(x) ?
                x :
            {
                x: x,
                y: y,
                r: r
            };

            return this.createElement('circle').attr(attr);
        },

        /**
         * Draw and return an arc
         * @param {Number} x X position
         * @param {Number} y Y position
         * @param {Number} r Radius
         * @param {Number} innerR Inner radius like used in donut charts
         * @param {Number} start Starting angle
         * @param {Number} end Ending angle
         */
        arc: function (x, y, r, innerR, start, end) {
            // arcs are defined as symbols for the ability to set
            // attributes in attr and animate

            if (isObject(x)) {
                y = x.y;
                r = x.r;
                innerR = x.innerR;
                start = x.start;
                end = x.end;
                x = x.x;
            }
            return this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
                innerR: innerR || 0,
                start: start || 0,
                end: end || 0
            });
        },

        /**
         * Draw and return a rectangle
         * @param {Number} x Left position
         * @param {Number} y Top position
         * @param {Number} width
         * @param {Number} height
         * @param {Number} r Border corner radius
         * @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
         */
        rect: function (x, y, width, height, r, strokeWidth) {

            r = isObject(x) ? x.r : r;

            var wrapper = this.createElement('rect').attr({
                rx: r,
                ry: r,
                fill: NONE
            });
            return wrapper.attr(
                isObject(x) ?
                    x :
                    // do not crispify when an object is passed in (as in column charts)
                    wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0))
            );
        },

        /**
         * Resize the box and re-align all aligned elements
         * @param {Object} width
         * @param {Object} height
         * @param {Boolean} animate
         *
         */
        setSize: function (width, height, animate) {
            var renderer = this,
                alignedObjects = renderer.alignedObjects,
                i = alignedObjects.length;

            renderer.width = width;
            renderer.height = height;

            renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({
                width: width,
                height: height
            });

            while (i--) {
                alignedObjects[i].align();
            }
        },

        /**
         * Create a group
         * @param {String} name The group will be given a class name of 'highcharts-{name}'.
         *     This can be used for styling and scripting.
         */
        g: function (name) {
            var elem = this.createElement('g');
            return defined(name) ? elem.attr({ 'class': PREFIX + name }) : elem;
        },

        /**
         * Display an image
         * @param {String} src
         * @param {Number} x
         * @param {Number} y
         * @param {Number} width
         * @param {Number} height
         */
        image: function (src, x, y, width, height) {
            var attribs = {
                    preserveAspectRatio: NONE
                },
                elemWrapper;

            // optional properties
            if (arguments.length > 1) {
                extend(attribs, {
                    x: x,
                    y: y,
                    width: width,
                    height: height
                });
            }

            elemWrapper = this.createElement('image').attr(attribs);

            // set the href in the xlink namespace
            if (elemWrapper.element.setAttributeNS) {
                elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink',
                    'href', src);
            } else {
                // could be exporting in IE
                // using href throws "not supported" in ie7 and under, requries regex shim to fix later
                elemWrapper.element.setAttribute('hc-svg-href', src);
            }

            return elemWrapper;
        },

        /**
         * Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object.
         *
         * @param {Object} symbol
         * @param {Object} x
         * @param {Object} y
         * @param {Object} radius
         * @param {Object} options
         */
        symbol: function (symbol, x, y, width, height, options) {

            var obj,

            // get the symbol definition function
                symbolFn = this.symbols[symbol],

            // check if there's a path defined for this symbol
                path = symbolFn && symbolFn(
                    mathRound(x),
                    mathRound(y),
                    width,
                    height,
                    options
                ),

                imageRegex = /^url\((.*?)\)$/,
                imageSrc,
                imageSize,
                centerImage;

            if (path) {

                obj = this.path(path);
                // expando properties for use in animate and attr
                extend(obj, {
                    symbolName: symbol,
                    x: x,
                    y: y,
                    width: width,
                    height: height
                });
                if (options) {
                    extend(obj, options);
                }


                // image symbols
            } else if (imageRegex.test(symbol)) {

                // On image load, set the size and position
                centerImage = function (img, size) {
                    img.attr({
                        width: size[0],
                        height: size[1]
                    });

                    if (!img.alignByTranslate) { // #185
                        img.translate(
                            -mathRound(size[0] / 2),
                            -mathRound(size[1] / 2)
                        );
                    }
                };

                imageSrc = symbol.match(imageRegex)[1];
                imageSize = symbolSizes[imageSrc];

                // create the image synchronously, add attribs async
                obj = this.image(imageSrc)
                    .attr({
                        x: x,
                        y: y
                    });

                if (imageSize) {
                    centerImage(obj, imageSize);
                } else {
                    // initialize image to be 0 size so export will still function if there's no cached sizes
                    obj.attr({ width: 0, height: 0 });

                    // create a dummy JavaScript image to get the width and height
                    createElement('img', {
                        onload: function () {
                            var img = this;

                            centerImage(obj, symbolSizes[imageSrc] = [img.width, img.height]);
                        },
                        src: imageSrc
                    });
                }
            }

            return obj;
        },

        /**
         * An extendable collection of functions for defining symbol paths.
         */
        symbols: {
            'circle': function (x, y, w, h) {
                var cpw = 0.166 * w;
                return [
                    M, x + w / 2, y,
                    'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h,
                    'C', x - cpw, y + h, x - cpw, y, x + w / 2, y,
                    'Z'
                ];
            },

            'square': function (x, y, w, h) {
                return [
                    M, x, y,
                    L, x + w, y,
                    x + w, y + h,
                    x, y + h,
                    'Z'
                ];
            },

            'triangle': function (x, y, w, h) {
                return [
                    M, x + w / 2, y,
                    L, x + w, y + h,
                    x, y + h,
                    'Z'
                ];
            },

            'triangle-down': function (x, y, w, h) {
                return [
                    M, x, y,
                    L, x + w, y,
                    x + w / 2, y + h,
                    'Z'
                ];
            },
            'diamond': function (x, y, w, h) {
                return [
                    M, x + w / 2, y,
                    L, x + w, y + h / 2,
                    x + w / 2, y + h,
                    x, y + h / 2,
                    'Z'
                ];
            },
            'arc': function (x, y, w, h, options) {
                var start = options.start,
                    radius = options.r || w || h,
                    end = options.end - 0.000001, // to prevent cos and sin of start and end from becoming equal on 360 arcs
                    innerRadius = options.innerR,
                    open = options.open,
                    cosStart = mathCos(start),
                    sinStart = mathSin(start),
                    cosEnd = mathCos(end),
                    sinEnd = mathSin(end),
                    longArc = options.end - start < mathPI ? 0 : 1;

                return [
                    M,
                    x + radius * cosStart,
                    y + radius * sinStart,
                    'A', // arcTo
                    radius, // x radius
                    radius, // y radius
                    0, // slanting
                    longArc, // long or short arc
                    1, // clockwise
                    x + radius * cosEnd,
                    y + radius * sinEnd,
                    open ? M : L,
                    x + innerRadius * cosEnd,
                    y + innerRadius * sinEnd,
                    'A', // arcTo
                    innerRadius, // x radius
                    innerRadius, // y radius
                    0, // slanting
                    longArc, // long or short arc
                    0, // clockwise
                    x + innerRadius * cosStart,
                    y + innerRadius * sinStart,

                    open ? '' : 'Z' // close
                ];
            }
        },

        /**
         * Define a clipping rectangle
         * @param {String} id
         * @param {Number} x
         * @param {Number} y
         * @param {Number} width
         * @param {Number} height
         */
        clipRect: function (x, y, width, height) {
            var wrapper,
                id = PREFIX + idCounter++,

                clipPath = this.createElement('clipPath').attr({
                    id: id
                }).add(this.defs);

            wrapper = this.rect(x, y, width, height, 0).add(clipPath);
            wrapper.id = id;
            wrapper.clipPath = clipPath;

            return wrapper;
        },


        /**
         * Take a color and return it if it's a string, make it a gradient if it's a
         * gradient configuration object. Prior to Highstock, an array was used to define
         * a linear gradient with pixel positions relative to the SVG. In newer versions
         * we change the coordinates to apply relative to the shape, using coordinates
         * 0-1 within the shape. To preserve backwards compatibility, linearGradient
         * in this definition is an object of x1, y1, x2 and y2.
         *
         * @param {Object} color The color or config object
         */
        color: function (color, elem, prop) {
            var renderer = this,
                colorObject,
                regexRgba = /^rgba/,
                gradName;

            // Apply linear or radial gradients
            if (color && color.linearGradient) {
                gradName = 'linearGradient';
            } else if (color && color.radialGradient) {
                gradName = 'radialGradient';
            }

            if (gradName) {
                var gradAttr = color[gradName],
                    gradients = renderer.gradients,
                    gradientObject,
                    stopColor,
                    stopOpacity,
                    radialReference = elem.radialReference;

                // Check if a gradient object with the same config object is created within this renderer
                if (!gradAttr.id || !gradients[gradAttr.id]) {

                    // Keep < 2.2 kompatibility
                    if (isArray(gradAttr)) {
                        color[gradName] = gradAttr = {
                            x1: gradAttr[0],
                            y1: gradAttr[1],
                            x2: gradAttr[2],
                            y2: gradAttr[3],
                            gradientUnits: 'userSpaceOnUse'
                        };
                    }

                    // Correct the radial gradient for the radial reference system
                    if (gradName === 'radialGradient' && radialReference && !defined(gradAttr.gradientUnits)) {
                        extend(gradAttr, {
                            cx: (radialReference[0] - radialReference[2] / 2) + gradAttr.cx * radialReference[2],
                            cy: (radialReference[1] - radialReference[2] / 2) + gradAttr.cy * radialReference[2],
                            r: gradAttr.r * radialReference[2],
                            gradientUnits: 'userSpaceOnUse'
                        });
                    }

                    // Set the id and create the element
                    gradAttr.id = PREFIX + idCounter++;
                    gradients[gradAttr.id] = gradientObject = renderer.createElement(gradName)
                        .attr(gradAttr)
                        .add(renderer.defs);


                    // The gradient needs to keep a list of stops to be able to destroy them
                    gradientObject.stops = [];
                    each(color.stops, function (stop) {
                        var stopObject;
                        if (regexRgba.test(stop[1])) {
                            colorObject = Color(stop[1]);
                            stopColor = colorObject.get('rgb');
                            stopOpacity = colorObject.get('a');
                        } else {
                            stopColor = stop[1];
                            stopOpacity = 1;
                        }
                        stopObject = renderer.createElement('stop').attr({
                            offset: stop[0],
                            'stop-color': stopColor,
                            'stop-opacity': stopOpacity
                        }).add(gradientObject);

                        // Add the stop element to the gradient
                        gradientObject.stops.push(stopObject);
                    });
                }

                // Return the reference to the gradient object
                return 'url(' + renderer.url + '#' + gradAttr.id + ')';

                // Webkit and Batik can't show rgba.
            } else if (regexRgba.test(color)) {
                colorObject = Color(color);
                attr(elem, prop + '-opacity', colorObject.get('a'));

                return colorObject.get('rgb');


            } else {
                // Remove the opacity attribute added above. Does not throw if the attribute is not there.
                elem.removeAttribute(prop + '-opacity');

                return color;
            }

        },


        /**
         * Add text to the SVG object
         * @param {String} str
         * @param {Number} x Left position
         * @param {Number} y Top position
         * @param {Boolean} useHTML Use HTML to render the text
         */
        text: function (str, x, y, useHTML) {

            // declare variables
            var renderer = this,
                defaultChartStyle = defaultOptions.chart.style,
                wrapper;

            if (useHTML && !renderer.forExport) {
                return renderer.html(str, x, y);
            }

            x = mathRound(pick(x, 0));
            y = mathRound(pick(y, 0));

            wrapper = renderer.createElement('text')
                .attr({
                    x: x,
                    y: y,
                    text: str
                })
                .css({
                    fontFamily: defaultChartStyle.fontFamily,
                    fontSize: defaultChartStyle.fontSize
                });

            wrapper.x = x;
            wrapper.y = y;
            return wrapper;
        },


        /**
         * Create HTML text node. This is used by the VML renderer as well as the SVG
         * renderer through the useHTML option.
         *
         * @param {String} str
         * @param {Number} x
         * @param {Number} y
         */
        html: function (str, x, y) {
            var defaultChartStyle = defaultOptions.chart.style,
                wrapper = this.createElement('span'),
                attrSetters = wrapper.attrSetters,
                element = wrapper.element,
                renderer = wrapper.renderer;

            // Text setter
            attrSetters.text = function (value) {
                element.innerHTML = value;
                return false;
            };

            // Various setters which rely on update transform
            attrSetters.x = attrSetters.y = attrSetters.align = function (value, key) {
                if (key === 'align') {
                    key = 'textAlign'; // Do not overwrite the SVGElement.align method. Same as VML.
                }
                wrapper[key] = value;
                wrapper.htmlUpdateTransform();
                return false;
            };

            // Set the default attributes
            wrapper.attr({
                text: str,
                x: mathRound(x),
                y: mathRound(y)
            })
                .css({
                    position: ABSOLUTE,
                    whiteSpace: 'nowrap',
                    fontFamily: defaultChartStyle.fontFamily,
                    fontSize: defaultChartStyle.fontSize
                });

            // Use the HTML specific .css method
            wrapper.css = wrapper.htmlCss;

            // This is specific for HTML within SVG
            if (renderer.isSVG) {
                wrapper.add = function (svgGroupWrapper) {

                    var htmlGroup,
                        htmlGroupStyle,
                        container = renderer.box.parentNode;

                    // Create a mock group to hold the HTML elements
                    if (svgGroupWrapper) {
                        htmlGroup = svgGroupWrapper.div;
                        if (!htmlGroup) {
                            htmlGroup = svgGroupWrapper.div = createElement(DIV, {
                                className: attr(svgGroupWrapper.element, 'class')
                            }, {
                                position: ABSOLUTE,
                                left: svgGroupWrapper.attr('translateX') + PX,
                                top: svgGroupWrapper.attr('translateY') + PX
                            }, container);

                            // Ensure dynamic updating position
                            htmlGroupStyle = htmlGroup.style;
                            extend(svgGroupWrapper.attrSetters, {
                                translateX: function (value) {
                                    htmlGroupStyle.left = value + PX;
                                },
                                translateY: function (value) {
                                    htmlGroupStyle.top = value + PX;
                                },
                                visibility: function (value, key) {
                                    htmlGroupStyle[key] = value;
                                }
                            });

                        }
                    } else {
                        htmlGroup = container;
                    }

                    htmlGroup.appendChild(element);

                    // Shared with VML:
                    wrapper.added = true;
                    if (wrapper.alignOnAdd) {
                        wrapper.htmlUpdateTransform();
                    }

                    return wrapper;
                };
            }
            return wrapper;
        },

        /**
         * Utility to return the baseline offset and total line height from the font size
         */
        fontMetrics: function (fontSize) {
            fontSize = pInt(fontSize || 11);

            // Empirical values found by comparing font size and bounding box height.
            // Applies to the default font family. http://jsfiddle.net/highcharts/7xvn7/
            var lineHeight = fontSize < 24 ? fontSize + 4 : mathRound(fontSize * 1.2),
                baseline = mathRound(lineHeight * 0.8);

            return {
                h: lineHeight,
                b: baseline
            };
        },

        /**
         * Add a label, a text item that can hold a colored or gradient background
         * as well as a border and shadow.
         * @param {string} str
         * @param {Number} x
         * @param {Number} y
         * @param {String} shape
         * @param {Number} anchorX In case the shape has a pointer, like a flag, this is the
         *    coordinates it should be pinned to
         * @param {Number} anchorY
         * @param {Boolean} baseline Whether to position the label relative to the text baseline,
         *    like renderer.text, or to the upper border of the rectangle.
         * @param {String} className Class name for the group
         */
        label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {

            var renderer = this,
                wrapper = renderer.g(className),
                text = renderer.text('', 0, 0, useHTML)
                    .attr({
                        zIndex: 1
                    })
                    .add(wrapper),
                box,
                bBox,
                alignFactor = 0,
                padding = 3,
                width,
                height,
                wrapperX,
                wrapperY,
                crispAdjust = 0,
                deferredAttr = {},
                baselineOffset,
                attrSetters = wrapper.attrSetters;

            /**
             * This function runs after the label is added to the DOM (when the bounding box is
             * available), and after the text of the label is updated to detect the new bounding
             * box and reflect it in the border box.
             */
            function updateBoxSize() {
                var boxY,
                    style = text.element.style;

                bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) &&
                    text.getBBox(true);
                wrapper.width = (width || bBox.width || 0) + 2 * padding;
                wrapper.height = (height || bBox.height || 0) + 2 * padding;

                // update the label-scoped y offset
                baselineOffset = padding + renderer.fontMetrics(style && style.fontSize).b;


                // create the border box if it is not already present
                if (!box) {
                    boxY = baseline ? -baselineOffset : 0;

                    wrapper.box = box = shape ?
                        renderer.symbol(shape, -alignFactor * padding, boxY, wrapper.width, wrapper.height) :
                        renderer.rect(-alignFactor * padding, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
                    box.add(wrapper);
                }

                // apply the box attributes
                box.attr(merge({
                    width: wrapper.width,
                    height: wrapper.height
                }, deferredAttr));
                deferredAttr = null;
            }

            /**
             * This function runs after setting text or padding, but only if padding is changed
             */
            function updateTextPadding() {
                var styles = wrapper.styles,
                    textAlign = styles && styles.textAlign,
                    x = padding * (1 - alignFactor),
                    y;

                // determin y based on the baseline
                y = baseline ? 0 : baselineOffset;

                // compensate for alignment
                if (defined(width) && (textAlign === 'center' || textAlign === 'right')) {
                    x += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width);
                }

                // update if anything changed
                if (x !== text.x || y !== text.y) {
                    text.attr({
                        x: x,
                        y: y
                    });
                }

                // record current values
                text.x = x;
                text.y = y;
            }

            /**
             * Set a box attribute, or defer it if the box is not yet created
             * @param {Object} key
             * @param {Object} value
             */
            function boxAttr(key, value) {
                if (box) {
                    box.attr(key, value);
                } else {
                    deferredAttr[key] = value;
                }
            }

            function getSizeAfterAdd() {
                wrapper.attr({
                    text: str, // alignment is available now
                    x: x,
                    y: y
                });

                if (defined(anchorX)) {
                    wrapper.attr({
                        anchorX: anchorX,
                        anchorY: anchorY
                    });
                }
            }

            /**
             * After the text element is added, get the desired size of the border box
             * and add it before the text in the DOM.
             */
            addEvent(wrapper, 'add', getSizeAfterAdd);

            /*
             * Add specific attribute setters.
             */

            // only change local variables
            attrSetters.width = function (value) {
                width = value;
                return false;
            };
            attrSetters.height = function (value) {
                height = value;
                return false;
            };
            attrSetters.padding = function (value) {
                if (defined(value) && value !== padding) {
                    padding = value;
                    updateTextPadding();
                }

                return false;
            };

            // change local variable and set attribue as well
            attrSetters.align = function (value) {
                alignFactor = { left: 0, center: 0.5, right: 1 }[value];
                return false; // prevent setting text-anchor on the group
            };

            // apply these to the box and the text alike
            attrSetters.text = function (value, key) {
                text.attr(key, value);
                updateBoxSize();
                updateTextPadding();
                return false;
            };

            // apply these to the box but not to the text
            attrSetters[STROKE_WIDTH] = function (value, key) {
                crispAdjust = value % 2 / 2;
                boxAttr(key, value);
                return false;
            };
            attrSetters.stroke = attrSetters.fill = attrSetters.r = function (value, key) {
                boxAttr(key, value);
                return false;
            };
            attrSetters.anchorX = function (value, key) {
                anchorX = value;
                boxAttr(key, value + crispAdjust - wrapperX);
                return false;
            };
            attrSetters.anchorY = function (value, key) {
                anchorY = value;
                boxAttr(key, value - wrapperY);
                return false;
            };

            // rename attributes
            attrSetters.x = function (value) {
                wrapper.x = value; // for animation getter
                value -= alignFactor * ((width || bBox.width) + padding);
                wrapperX = mathRound(value);

                wrapper.attr('translateX', wrapperX);
                return false;
            };
            attrSetters.y = function (value) {
                wrapperY = wrapper.y = mathRound(value);
                wrapper.attr('translateY', value);
                return false;
            };

            // Redirect certain methods to either the box or the text
            var baseCss = wrapper.css;
            return extend(wrapper, {
                /**
                 * Pick up some properties and apply them to the text instead of the wrapper
                 */
                css: function (styles) {
                    if (styles) {
                        var textStyles = {};
                        styles = merge({}, styles); // create a copy to avoid altering the original object (#537)
                        each(['fontSize', 'fontWeight', 'fontFamily', 'color', 'lineHeight', 'width'], function (prop) {
                            if (styles[prop] !== UNDEFINED) {
                                textStyles[prop] = styles[prop];
                                delete styles[prop];
                            }
                        });
                        text.css(textStyles);
                    }
                    return baseCss.call(wrapper, styles);
                },
                /**
                 * Return the bounding box of the box, not the group
                 */
                getBBox: function () {
                    return box.getBBox();
                },
                /**
                 * Apply the shadow to the box
                 */
                shadow: function (b) {
                    box.shadow(b);
                    return wrapper;
                },
                /**
                 * Destroy and release memory.
                 */
                destroy: function () {
                    removeEvent(wrapper, 'add', getSizeAfterAdd);

                    // Added by button implementation
                    removeEvent(wrapper.element, 'mouseenter');
                    removeEvent(wrapper.element, 'mouseleave');

                    if (text) {
                        // Destroy the text element
                        text = text.destroy();
                    }
                    // Call base implementation to destroy the rest
                    SVGElement.prototype.destroy.call(wrapper);
                }
            });
        }
    }; // end SVGRenderer


// general renderer
    Renderer = SVGRenderer;


    /* ****************************************************************************
     *                                                                            *
     * START OF INTERNET EXPLORER <= 8 SPECIFIC CODE                              *
     *                                                                            *
     * For applications and websites that don't need IE support, like platform    *
     * targeted mobile apps and web apps, this code can be removed.               *
     *                                                                            *
     *****************************************************************************/

    /**
     * @constructor
     */
    var VMLRenderer;
    if (!hasSVG && !useCanVG) {

        /**
         * The VML element wrapper.
         */
        var VMLElement = {

            /**
             * Initialize a new VML element wrapper. It builds the markup as a string
             * to minimize DOM traffic.
             * @param {Object} renderer
             * @param {Object} nodeName
             */
            init: function (renderer, nodeName) {
                var wrapper = this,
                    markup = ['<', nodeName, ' filled="f" stroked="f"'],
                    style = ['position: ', ABSOLUTE, ';'];

                // divs and shapes need size
                if (nodeName === 'shape' || nodeName === DIV) {
                    style.push('left:0;top:0;width:1px;height:1px;');
                }
                if (docMode8) {
                    style.push('visibility: ', nodeName === DIV ? HIDDEN : VISIBLE);
                }

                markup.push(' style="', style.join(''), '"/>');

                // create element with default attributes and style
                if (nodeName) {
                    markup = nodeName === DIV || nodeName === 'span' || nodeName === 'img' ?
                        markup.join('')
                        : renderer.prepVML(markup);
                    wrapper.element = createElement(markup);
                }

                wrapper.renderer = renderer;
                wrapper.attrSetters = {};
            },

            /**
             * Add the node to the given parent
             * @param {Object} parent
             */
            add: function (parent) {
                var wrapper = this,
                    renderer = wrapper.renderer,
                    element = wrapper.element,
                    box = renderer.box,
                    inverted = parent && parent.inverted,

                // get the parent node
                    parentNode = parent ?
                        parent.element || parent :
                        box;


                // if the parent group is inverted, apply inversion on all children
                if (inverted) { // only on groups
                    renderer.invertChild(element, parentNode);
                }

                // issue #140 workaround - related to #61 and #74
                if (docMode8 && parentNode.gVis === HIDDEN) {
                    css(element, { visibility: HIDDEN });
                }

                // append it
                parentNode.appendChild(element);

                // align text after adding to be able to read offset
                wrapper.added = true;
                if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) {
                    wrapper.updateTransform();
                }

                // fire an event for internal hooks
                fireEvent(wrapper, 'add');

                return wrapper;
            },

            /**
             * In IE8 documentMode 8, we need to recursively set the visibility down in the DOM
             * tree for nested groups. Related to #61, #586.
             */
            toggleChildren: function (element, visibility) {
                var childNodes = element.childNodes,
                    i = childNodes.length;

                while (i--) {

                    // apply the visibility
                    css(childNodes[i], { visibility: visibility });

                    // we have a nested group, apply it to its children again
                    if (childNodes[i].nodeName === 'DIV') {
                        this.toggleChildren(childNodes[i], visibility);
                    }
                }
            },

            /**
             * VML always uses htmlUpdateTransform
             */
            updateTransform: SVGElement.prototype.htmlUpdateTransform,

            /**
             * Get or set attributes
             */
            attr: function (hash, val) {
                var wrapper = this,
                    key,
                    value,
                    i,
                    result,
                    element = wrapper.element || {},
                    elemStyle = element.style,
                    nodeName = element.nodeName,
                    renderer = wrapper.renderer,
                    symbolName = wrapper.symbolName,
                    hasSetSymbolSize,
                    shadows = wrapper.shadows,
                    skipAttr,
                    attrSetters = wrapper.attrSetters,
                    ret = wrapper;

                // single key-value pair
                if (isString(hash) && defined(val)) {
                    key = hash;
                    hash = {};
                    hash[key] = val;
                }

                // used as a getter, val is undefined
                if (isString(hash)) {
                    key = hash;
                    if (key === 'strokeWidth' || key === 'stroke-width') {
                        ret = wrapper.strokeweight;
                    } else {
                        ret = wrapper[key];
                    }

                    // setter
                } else {
                    for (key in hash) {
                        value = hash[key];
                        skipAttr = false;

                        // check for a specific attribute setter
                        result = attrSetters[key] && attrSetters[key](value, key);

                        if (result !== false && value !== null) { // #620

                            if (result !== UNDEFINED) {
                                value = result; // the attribute setter has returned a new value to set
                            }


                            // prepare paths
                            // symbols
                            if (symbolName && /^(x|y|r|start|end|width|height|innerR|anchorX|anchorY)/.test(key)) {
                                // if one of the symbol size affecting parameters are changed,
                                // check all the others only once for each call to an element's
                                // .attr() method
                                if (!hasSetSymbolSize) {
                                    wrapper.symbolAttr(hash);

                                    hasSetSymbolSize = true;
                                }
                                skipAttr = true;

                            } else if (key === 'd') {
                                value = value || [];
                                wrapper.d = value.join(' '); // used in getter for animation

                                // convert paths
                                i = value.length;
                                var convertedPath = [];
                                while (i--) {

                                    // Multiply by 10 to allow subpixel precision.
                                    // Substracting half a pixel seems to make the coordinates
                                    // align with SVG, but this hasn't been tested thoroughly
                                    if (isNumber(value[i])) {
                                        convertedPath[i] = mathRound(value[i] * 10) - 5;
                                    } else if (value[i] === 'Z') { // close the path
                                        convertedPath[i] = 'x';
                                    } else {
                                        convertedPath[i] = value[i];
                                    }

                                }
                                value = convertedPath.join(' ') || 'x';
                                element.path = value;

                                // update shadows
                                if (shadows) {
                                    i = shadows.length;
                                    while (i--) {
                                        shadows[i].path = shadows[i].cutOff ? this.cutOffPath(value, shadows[i].cutOff) : value;
                                    }
                                }
                                skipAttr = true;

                                // directly mapped to css
                            } else if (key === 'zIndex' || key === 'visibility') {

                                // workaround for #61 and #586
                                if (docMode8 && key === 'visibility' && nodeName === 'DIV') {
                                    element.gVis = value;
                                    wrapper.toggleChildren(element, value);
                                    if (value === VISIBLE) { // #74
                                        value = null;
                                    }
                                }

                                if (value) {
                                    elemStyle[key] = value;
                                }


                                skipAttr = true;

                                // width and height
                            } else if (key === 'width' || key === 'height') {

                                value = mathMax(0, value); // don't set width or height below zero (#311)

                                this[key] = value; // used in getter

                                // clipping rectangle special
                                if (wrapper.updateClipping) {
                                    wrapper[key] = value;
                                    wrapper.updateClipping();
                                } else {
                                    // normal
                                    elemStyle[key] = value;
                                }

                                skipAttr = true;

                                // x and y
                            } else if (key === 'x' || key === 'y') {

                                wrapper[key] = value; // used in getter
                                elemStyle[{ x: 'left', y: 'top' }[key]] = value;

                                // class name
                            } else if (key === 'class') {
                                // IE8 Standards mode has problems retrieving the className
                                element.className = value;

                                // stroke
                            } else if (key === 'stroke') {

                                value = renderer.color(value, element, key);

                                key = 'strokecolor';

                                // stroke width
                            } else if (key === 'stroke-width' || key === 'strokeWidth') {
                                element.stroked = value ? true : false;
                                key = 'strokeweight';
                                wrapper[key] = value; // used in getter, issue #113
                                if (isNumber(value)) {
                                    value += PX;
                                }

                                // dashStyle
                            } else if (key === 'dashstyle') {
                                var strokeElem = element.getElementsByTagName('stroke')[0] ||
                                    createElement(renderer.prepVML(['<stroke/>']), null, null, element);
                                strokeElem[key] = value || 'solid';
                                wrapper.dashstyle = value;
                                /* because changing stroke-width will change the dash length
                                 and cause an epileptic effect */
                                skipAttr = true;

                                // fill
                            } else if (key === 'fill') {

                                if (nodeName === 'SPAN') { // text color
                                    elemStyle.color = value;
                                } else {
                                    element.filled = value !== NONE ? true : false;

                                    value = renderer.color(value, element, key);

                                    key = 'fillcolor';
                                }

                                // rotation on VML elements
                            } else if (nodeName === 'shape' && key === 'rotation') {
                                wrapper[key] = value;

                                // translation for animation
                            } else if (key === 'translateX' || key === 'translateY' || key === 'rotation') {
                                wrapper[key] = value;
                                wrapper.updateTransform();

                                skipAttr = true;

                                // text for rotated and non-rotated elements
                            } else if (key === 'text') {
                                this.bBox = null;
                                element.innerHTML = value;
                                skipAttr = true;
                            }

                            // let the shadow follow the main element
                            if (shadows && key === 'visibility') {
                                i = shadows.length;
                                while (i--) {
                                    shadows[i].style[key] = value;
                                }
                            }


                            if (!skipAttr) {
                                if (docMode8) { // IE8 setAttribute bug
                                    element[key] = value;
                                } else {
                                    attr(element, key, value);
                                }
                            }

                        }
                    }
                }
                return ret;
            },

            /**
             * Set the element's clipping to a predefined rectangle
             *
             * @param {String} id The id of the clip rectangle
             */
            clip: function (clipRect) {
                var wrapper = this,
                    clipMembers = clipRect.members,
                    element = wrapper.element,
                    parentNode = element.parentNode;

                clipMembers.push(wrapper);
                wrapper.destroyClip = function () {
                    erase(clipMembers, wrapper);
                };

                // Issue #863 workaround - related to #140, #61, #74
                if (parentNode && parentNode.className === 'highcharts-tracker' && !docMode8) {
                    css(element, { visibility: HIDDEN });
                }

                return wrapper.css(clipRect.getCSS(wrapper));
            },

            /**
             * Set styles for the element
             * @param {Object} styles
             */
            css: SVGElement.prototype.htmlCss,

            /**
             * Removes a child either by removeChild or move to garbageBin.
             * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
             */
            safeRemoveChild: function (element) {
                // discardElement will detach the node from its parent before attaching it
                // to the garbage bin. Therefore it is important that the node is attached and have parent.
                var parentNode = element.parentNode;
                if (parentNode) {
                    discardElement(element);
                }
            },

            /**
             * Extend element.destroy by removing it from the clip members array
             */
            destroy: function () {
                var wrapper = this;

                if (wrapper.destroyClip) {
                    wrapper.destroyClip();
                }

                return SVGElement.prototype.destroy.apply(wrapper);
            },

            /**
             * Remove all child nodes of a group, except the v:group element
             */
            empty: function () {
                var element = this.element,
                    childNodes = element.childNodes,
                    i = childNodes.length,
                    node;

                while (i--) {
                    node = childNodes[i];
                    node.parentNode.removeChild(node);
                }
            },

            /**
             * Add an event listener. VML override for normalizing event parameters.
             * @param {String} eventType
             * @param {Function} handler
             */
            on: function (eventType, handler) {
                // simplest possible event model for internal use
                this.element['on' + eventType] = function () {
                    var evt = win.event;
                    evt.target = evt.srcElement;
                    handler(evt);
                };
                return this;
            },

            /**
             * In stacked columns, cut off the shadows so that they don't overlap
             */
            cutOffPath: function (path, length) {

                var len;

                path = path.split(/[ ,]/);
                len = path.length;

                if (len === 9 || len === 11) {
                    path[len - 4] = path[len - 2] = pInt(path[len - 2]) - 10 * length;
                }
                return path.join(' ');
            },

            /**
             * Apply a drop shadow by copying elements and giving them different strokes
             * @param {Boolean} apply
             */
            shadow: function (apply, group, cutOff) {
                var shadows = [],
                    i,
                    element = this.element,
                    renderer = this.renderer,
                    shadow,
                    elemStyle = element.style,
                    markup,
                    path = element.path,
                    strokeWidth,
                    modifiedPath;

                // some times empty paths are not strings
                if (path && typeof path.value !== 'string') {
                    path = 'x';
                }
                modifiedPath = path;

                if (apply) {
                    for (i = 1; i <= 3; i++) {

                        strokeWidth = 7 - 2 * i;

                        // Cut off shadows for stacked column items
                        if (cutOff) {
                            modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
                        }

                        markup = ['<shape isShadow="true" strokeweight="', (7 - 2 * i),
                            '" filled="false" path="', modifiedPath,
                            '" coordsize="10 10" style="', element.style.cssText, '" />'];

                        shadow = createElement(renderer.prepVML(markup),
                            null, {
                                left: pInt(elemStyle.left) + 1,
                                top: pInt(elemStyle.top) + 1
                            }
                        );
                        if (cutOff) {
                            shadow.cutOff = strokeWidth + 1;
                        }

                        // apply the opacity
                        markup = ['<stroke color="black" opacity="', (0.05 * i), '"/>'];
                        createElement(renderer.prepVML(markup), null, null, shadow);


                        // insert it
                        if (group) {
                            group.element.appendChild(shadow);
                        } else {
                            element.parentNode.insertBefore(shadow, element);
                        }

                        // record it
                        shadows.push(shadow);

                    }

                    this.shadows = shadows;
                }
                return this;

            }
        };
        VMLElement = extendClass(SVGElement, VMLElement);

        /**
         * The VML renderer
         */
        var VMLRendererExtension = { // inherit SVGRenderer

            Element: VMLElement,
            isIE8: userAgent.indexOf('MSIE 8.0') > -1,


            /**
             * Initialize the VMLRenderer
             * @param {Object} container
             * @param {Number} width
             * @param {Number} height
             */
            init: function (container, width, height) {
                var renderer = this,
                    boxWrapper,
                    box;

                renderer.alignedObjects = [];

                boxWrapper = renderer.createElement(DIV);
                box = boxWrapper.element;
                box.style.position = RELATIVE; // for freeform drawing using renderer directly
                container.appendChild(boxWrapper.element);


                // generate the containing box
                renderer.box = box;
                renderer.boxWrapper = boxWrapper;


                renderer.setSize(width, height, false);

                // The only way to make IE6 and IE7 print is to use a global namespace. However,
                // with IE8 the only way to make the dynamic shapes visible in screen and print mode
                // seems to be to add the xmlns attribute and the behaviour style inline.
                if (!doc.namespaces.hcv) {

                    doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');

                    // setup default css
                    doc.createStyleSheet().cssText =
                        'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
                            '{ behavior:url(#default#VML); display: inline-block; } ';

                }
            },


            /**
             * Detect whether the renderer is hidden. This happens when one of the parent elements
             * has display: none
             */
            isHidden: function () {
                return !this.box.offsetWidth;
            },

            /**
             * Define a clipping rectangle. In VML it is accomplished by storing the values
             * for setting the CSS style to all associated members.
             *
             * @param {Number} x
             * @param {Number} y
             * @param {Number} width
             * @param {Number} height
             */
            clipRect: function (x, y, width, height) {

                // create a dummy element
                var clipRect = this.createElement();

                // mimic a rectangle with its style object for automatic updating in attr
                return extend(clipRect, {
                    members: [],
                    left: x,
                    top: y,
                    width: width,
                    height: height,
                    getCSS: function (wrapper) {
                        var inverted = wrapper.inverted,
                            rect = this,
                            top = rect.top,
                            left = rect.left,
                            right = left + rect.width,
                            bottom = top + rect.height,
                            ret = {
                                clip: 'rect(' +
                                    mathRound(inverted ? left : top) + 'px,' +
                                    mathRound(inverted ? bottom : right) + 'px,' +
                                    mathRound(inverted ? right : bottom) + 'px,' +
                                    mathRound(inverted ? top : left) + 'px)'
                            };

                        // issue 74 workaround
                        if (!inverted && docMode8 && wrapper.element.nodeName !== 'IMG') {
                            extend(ret, {
                                width: right + PX,
                                height: bottom + PX
                            });
                        }

                        return ret;
                    },

                    // used in attr and animation to update the clipping of all members
                    updateClipping: function () {
                        each(clipRect.members, function (member) {
                            member.css(clipRect.getCSS(member));
                        });
                    }
                });

            },


            /**
             * Take a color and return it if it's a string, make it a gradient if it's a
             * gradient configuration object, and apply opacity.
             *
             * @param {Object} color The color or config object
             */
            color: function (color, elem, prop) {
                var colorObject,
                    regexRgba = /^rgba/,
                    markup,
                    fillType,
                    ret = NONE;

                // Check for linear or radial gradient
                if (color && color.linearGradient) {
                    fillType = 'gradient';
                } else if (color && color.radialGradient) {
                    fillType = 'pattern';
                }


                if (fillType) {

                    var stopColor,
                        stopOpacity,
                        gradient = color.linearGradient || color.radialGradient,
                        x1,
                        y1,
                        x2,
                        y2,
                        angle,
                        opacity1,
                        opacity2,
                        color1,
                        color2,
                        fillAttr = '',
                        stops = color.stops,
                        firstStop,
                        lastStop,
                        colors = [];

                    // Extend from 0 to 1
                    firstStop = stops[0];
                    lastStop = stops[stops.length - 1];
                    if (firstStop[0] > 0) {
                        stops.unshift([
                            0,
                            firstStop[1]
                        ]);
                    }
                    if (lastStop[0] < 1) {
                        stops.push([
                            1,
                            lastStop[1]
                        ]);
                    }

                    // Compute the stops
                    each(stops, function (stop, i) {
                        if (regexRgba.test(stop[1])) {
                            colorObject = Color(stop[1]);
                            stopColor = colorObject.get('rgb');
                            stopOpacity = colorObject.get('a');
                        } else {
                            stopColor = stop[1];
                            stopOpacity = 1;
                        }

                        // Build the color attribute
                        colors.push((stop[0] * 100) + '% ' + stopColor);

                        // Only start and end opacities are allowed, so we use the first and the last
                        if (!i) {
                            opacity1 = stopOpacity;
                            color2 = stopColor;
                        } else {
                            opacity2 = stopOpacity;
                            color1 = stopColor;
                        }
                    });

                    // Handle linear gradient angle
                    if (fillType === 'gradient') {
                        x1 = gradient.x1 || gradient[0] || 0;
                        y1 = gradient.y1 || gradient[1] || 0;
                        x2 = gradient.x2 || gradient[2] || 0;
                        y2 = gradient.y2 || gradient[3] || 0;
                        angle = 90 - math.atan(
                            (y2 - y1) / // y vector
                                (x2 - x1) // x vector
                        ) * 180 / mathPI;

                        // Radial (circular) gradient
                    } else {
                        // pie:       http://jsfiddle.net/highcharts/66g8H/
                        // reference: http://jsfiddle.net/highcharts/etznJ/
                        // http://jsfiddle.net/highcharts/XRbCc/
                        // http://jsfiddle.net/highcharts/F3fwR/
                        // TODO:
                        // - correct for radialRefeence
                        // - check whether gradient stops are supported
                        // - add global option for gradient image (must relate to version)
                        var r = gradient.r,
                            size = r * 2,
                            cx = gradient.cx,
                            cy = gradient.cy;
                        //radialReference = elem.radialReference;

                        //if (radialReference) {
                        // Try setting pixel size, or other way to adjust the gradient size to the bounding box
                        //}
                        fillAttr = 'src="http://code.highcharts.com/gfx/radial-gradient.png" ' +
                            'size="' + size + ',' + size + '" ' +
                            'origin="0.5,0.5" ' +
                            'position="' + cx + ',' + cy + '" ' +
                            'color2="' + color2 + '" ';

                        // The fill element's color attribute is broken in IE8 standards mode, so we
                        // need to set the parent shape's fillcolor attribute instead.
                        ret = color1;
                    }


                    // Apply the gradient to fills only.
                    if (prop === 'fill') {

                        // when colors attribute is used, the meanings of opacity and o:opacity2
                        // are reversed.
                        markup = ['<fill colors="' + colors.join(',') + '" angle="', angle,
                            '" opacity="', opacity2, '" o:opacity2="', opacity1,
                            '" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
                        createElement(this.prepVML(markup), null, null, elem);

                        // Gradients are not supported for VML stroke, return the first color. #722.
                    } else {
                        ret = stopColor;
                    }


                    // if the color is an rgba color, split it and add a fill node
                    // to hold the opacity component
                } else if (regexRgba.test(color) && elem.tagName !== 'IMG') {

                    colorObject = Color(color);

                    markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>'];
                    createElement(this.prepVML(markup), null, null, elem);

                    ret = colorObject.get('rgb');


                } else {
                    var strokeNodes = elem.getElementsByTagName(prop);
                    if (strokeNodes.length) {
                        strokeNodes[0].opacity = 1;
                    }
                    ret = color;
                }

                return ret;
            },

            /**
             * Take a VML string and prepare it for either IE8 or IE6/IE7.
             * @param {Array} markup A string array of the VML markup to prepare
             */
            prepVML: function (markup) {
                var vmlStyle = 'display:inline-block;behavior:url(#default#VML);',
                    isIE8 = this.isIE8;

                markup = markup.join('');

                if (isIE8) { // add xmlns and style inline
                    markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />');
                    if (markup.indexOf('style="') === -1) {
                        markup = markup.replace('/>', ' style="' + vmlStyle + '" />');
                    } else {
                        markup = markup.replace('style="', 'style="' + vmlStyle);
                    }

                } else { // add namespace
                    markup = markup.replace('<', '<hcv:');
                }

                return markup;
            },

            /**
             * Create rotated and aligned text
             * @param {String} str
             * @param {Number} x
             * @param {Number} y
             */
            text: SVGRenderer.prototype.html,

            /**
             * Create and return a path element
             * @param {Array} path
             */
            path: function (path) {
                var attr = {
                    // subpixel precision down to 0.1 (width and height = 1px)
                    coordsize: '10 10'
                };
                if (isArray(path)) {
                    attr.d = path;
                } else if (isObject(path)) { // attributes
                    extend(attr, path);
                }
                // create the shape
                return this.createElement('shape').attr(attr);
            },

            /**
             * Create and return a circle element. In VML circles are implemented as
             * shapes, which is faster than v:oval
             * @param {Number} x
             * @param {Number} y
             * @param {Number} r
             */
            circle: function (x, y, r) {
                return this.symbol('circle').attr({ x: x - r, y: y - r, width: 2 * r, height: 2 * r });
            },

            /**
             * Create a group using an outer div and an inner v:group to allow rotating
             * and flipping. A simple v:group would have problems with positioning
             * child HTML elements and CSS clip.
             *
             * @param {String} name The name of the group
             */
            g: function (name) {
                var wrapper,
                    attribs;

                // set the class name
                if (name) {
                    attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
                }

                // the div to hold HTML and clipping
                wrapper = this.createElement(DIV).attr(attribs);

                return wrapper;
            },

            /**
             * VML override to create a regular HTML image
             * @param {String} src
             * @param {Number} x
             * @param {Number} y
             * @param {Number} width
             * @param {Number} height
             */
            image: function (src, x, y, width, height) {
                var obj = this.createElement('img')
                    .attr({ src: src });

                if (arguments.length > 1) {
                    obj.css({
                        left: x,
                        top: y,
                        width: width,
                        height: height
                    });
                }
                return obj;
            },

            /**
             * VML uses a shape for rect to overcome bugs and rotation problems
             */
            rect: function (x, y, width, height, r, strokeWidth) {

                if (isObject(x)) {
                    y = x.y;
                    width = x.width;
                    height = x.height;
                    strokeWidth = x.strokeWidth;
                    x = x.x;
                }
                var wrapper = this.symbol('rect');
                wrapper.r = r;

                return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0)));
            },

            /**
             * In the VML renderer, each child of an inverted div (group) is inverted
             * @param {Object} element
             * @param {Object} parentNode
             */
            invertChild: function (element, parentNode) {
                var parentStyle = parentNode.style;
                css(element, {
                    flip: 'x',
                    left: pInt(parentStyle.width) - 1,
                    top: pInt(parentStyle.height) - 1,
                    rotation: -90
                });
            },

            /**
             * Symbol definitions that override the parent SVG renderer's symbols
             *
             */
            symbols: {
                // VML specific arc function
                arc: function (x, y, w, h, options) {
                    var start = options.start,
                        end = options.end,
                        radius = options.r || w || h,
                        cosStart = mathCos(start),
                        sinStart = mathSin(start),
                        cosEnd = mathCos(end),
                        sinEnd = mathSin(end),
                        innerRadius = options.innerR,
                        circleCorrection = 0.08 / radius, // #760
                        innerCorrection = (innerRadius && 0.1 / innerRadius) || 0,
                        ret;

                    if (end - start === 0) { // no angle, don't show it.
                        return ['x'];

                    } else if (2 * mathPI - end + start < circleCorrection) { // full circle
                        // empirical correction found by trying out the limits for different radii
                        cosEnd = -circleCorrection;
                    } else if (end - start < innerCorrection) { // issue #186, another mysterious VML arc problem
                        cosEnd = mathCos(start + innerCorrection);
                    }

                    ret = [
                        'wa', // clockwise arc to
                        x - radius, // left
                        y - radius, // top
                        x + radius, // right
                        y + radius, // bottom
                        x + radius * cosStart, // start x
                        y + radius * sinStart, // start y
                        x + radius * cosEnd, // end x
                        y + radius * sinEnd  // end y
                    ];

                    if (options.open) {
                        ret.push(
                            M,
                            x - innerRadius,
                            y - innerRadius
                        );
                    }

                    ret.push(
                        'at', // anti clockwise arc to
                        x - innerRadius, // left
                        y - innerRadius, // top
                        x + innerRadius, // right
                        y + innerRadius, // bottom
                        x + innerRadius * cosEnd, // start x
                        y + innerRadius * sinEnd, // start y
                        x + innerRadius * cosStart, // end x
                        y + innerRadius * sinStart, // end y
                        'x', // finish path
                        'e' // close
                    );

                    return ret;

                },
                // Add circle symbol path. This performs significantly faster than v:oval.
                circle: function (x, y, w, h) {

                    return [
                        'wa', // clockwisearcto
                        x, // left
                        y, // top
                        x + w, // right
                        y + h, // bottom
                        x + w, // start x
                        y + h / 2,     // start y
                        x + w, // end x
                        y + h / 2,     // end y
                        //'x', // finish path
                        'e' // close
                    ];
                },
                /**
                 * Add rectangle symbol path which eases rotation and omits arcsize problems
                 * compared to the built-in VML roundrect shape
                 *
                 * @param {Number} left Left position
                 * @param {Number} top Top position
                 * @param {Number} r Border radius
                 * @param {Object} options Width and height
                 */

                rect: function (left, top, width, height, options) {

                    var right = left + width,
                        bottom = top + height,
                        ret,
                        r;

                    // No radius, return the more lightweight square
                    if (!defined(options) || !options.r) {
                        ret = SVGRenderer.prototype.symbols.square.apply(0, arguments);

                        // Has radius add arcs for the corners
                    } else {

                        r = mathMin(options.r, width, height);
                        ret = [
                            M,
                            left + r, top,

                            L,
                            right - r, top,
                            'wa',
                            right - 2 * r, top,
                            right, top + 2 * r,
                            right - r, top,
                            right, top + r,

                            L,
                            right, bottom - r,
                            'wa',
                            right - 2 * r, bottom - 2 * r,
                            right, bottom,
                            right, bottom - r,
                            right - r, bottom,

                            L,
                            left + r, bottom,
                            'wa',
                            left, bottom - 2 * r,
                            left + 2 * r, bottom,
                            left + r, bottom,
                            left, bottom - r,

                            L,
                            left, top + r,
                            'wa',
                            left, top,
                            left + 2 * r, top + 2 * r,
                            left, top + r,
                            left + r, top,


                            'x',
                            'e'
                        ];
                    }
                    return ret;
                }
            }
        };
        VMLRenderer = function () {
            this.init.apply(this, arguments);
        };
        VMLRenderer.prototype = merge(SVGRenderer.prototype, VMLRendererExtension);

        // general renderer
        Renderer = VMLRenderer;
    }

    /* ****************************************************************************
     *                                                                            *
     * END OF INTERNET EXPLORER <= 8 SPECIFIC CODE                                *
     *                                                                            *
     *****************************************************************************/
    /* ****************************************************************************
     *                                                                            *
     * START OF ANDROID < 3 SPECIFIC CODE. THIS CAN BE REMOVED IF YOU'RE NOT      *
     * TARGETING THAT SYSTEM.                                                     *
     *                                                                            *
     *****************************************************************************/
    var CanVGRenderer,
        CanVGController;

    if (useCanVG) {
        /**
         * The CanVGRenderer is empty from start to keep the source footprint small.
         * When requested, the CanVGController downloads the rest of the source packaged
         * together with the canvg library.
         */
        CanVGRenderer = function () {
            // Empty constructor
        };

        /**
         * Start with an empty symbols object. This is needed when exporting is used (exporting.src.js will add a few symbols), but
         * the implementation from SvgRenderer will not be merged in until first render.
         */
        CanVGRenderer.prototype.symbols = {};

        /**
         * Handles on demand download of canvg rendering support.
         */
        CanVGController = (function () {
            // List of renderering calls
            var deferredRenderCalls = [];

            /**
             * When downloaded, we are ready to draw deferred charts.
             */
            function drawDeferred() {
                var callLength = deferredRenderCalls.length,
                    callIndex;

                // Draw all pending render calls
                for (callIndex = 0; callIndex < callLength; callIndex++) {
                    deferredRenderCalls[callIndex]();
                }
                // Clear the list
                deferredRenderCalls = [];
            }

            return {
                push: function (func, scriptLocation) {
                    // Only get the script once
                    if (deferredRenderCalls.length === 0) {
                        getScript(scriptLocation, drawDeferred);
                    }
                    // Register render call
                    deferredRenderCalls.push(func);
                }
            };
        }());
    } // end CanVGRenderer

    /* ****************************************************************************
     *                                                                            *
     * END OF ANDROID < 3 SPECIFIC CODE                                           *
     *                                                                            *
     *****************************************************************************/

    /**
     * General renderer
     */
    Renderer = VMLRenderer || CanVGRenderer || SVGRenderer;
    /**
     * The Tick class
     */
    function Tick(axis, pos, type) {
        this.axis = axis;
        this.pos = pos;
        this.type = type || '';
        this.isNew = true;

        if (!type) {
            this.addLabel();
        }
    }

    Tick.prototype = {
        /**
         * Write the tick label
         */
        addLabel: function () {
            var tick = this,
                axis = tick.axis,
                options = axis.options,
                chart = axis.chart,
                horiz = axis.horiz,
                categories = axis.categories,
                pos = tick.pos,
                labelOptions = options.labels,
                str,
                tickPositions = axis.tickPositions,
                width = (categories && horiz && categories.length && !labelOptions.step && !labelOptions.staggerLines && !labelOptions.rotation &&
                    chart.plotWidth / tickPositions.length) ||
                    (!horiz && chart.plotWidth / 2),
                isFirst = pos === tickPositions[0],
                isLast = pos === tickPositions[tickPositions.length - 1],
                css,
                attr,
                value = categories && defined(categories[pos]) ? categories[pos] : pos,
                label = tick.label,
                tickPositionInfo = tickPositions.info,
                dateTimeLabelFormat;

            // Set the datetime label format. If a higher rank is set for this position, use that. If not,
            // use the general format.
            if (axis.isDatetimeAxis && tickPositionInfo) {
                dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositionInfo.higherRanks[pos] || tickPositionInfo.unitName];
            }

            // set properties for access in render method
            tick.isFirst = isFirst;
            tick.isLast = isLast;

            // get the string
            str = axis.labelFormatter.call({
                axis: axis,
                chart: chart,
                isFirst: isFirst,
                isLast: isLast,
                dateTimeLabelFormat: dateTimeLabelFormat,
                value: axis.isLog ? correctFloat(lin2log(value)) : value
            });

            // prepare CSS
            css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
            css = extend(css, labelOptions.style);

            // first call
            if (!defined(label)) {
                attr = {
                    align: labelOptions.align
                };
                if (isNumber(labelOptions.rotation)) {
                    attr.rotation = labelOptions.rotation;
                }
                tick.label =
                    defined(str) && labelOptions.enabled ?
                        chart.renderer.text(
                                str,
                                0,
                                0,
                                labelOptions.useHTML
                            )
                            .attr(attr)
                            // without position absolute, IE export sometimes is wrong
                            .css(css)
                            .add(axis.axisGroup) :
                        null;

                // update
            } else if (label) {
                label.attr({
                    text: str
                })
                    .css(css);
            }
        },

        /**
         * Get the offset height or width of the label
         */
        getLabelSize: function () {
            var label = this.label,
                axis = this.axis;
            return label ?
                ((this.labelBBox = label.getBBox(true)))[axis.horiz ? 'height' : 'width'] :
                0;
        },

        /**
         * Find how far the labels extend to the right and left of the tick's x position. Used for anti-collision
         * detection with overflow logic.
         */
        getLabelSides: function () {
            var bBox = this.labelBBox, // assume getLabelSize has run at this point
                axis = this.axis,
                options = axis.options,
                labelOptions = options.labels,
                width = bBox.width,
                leftSide = width * { left: 0, center: 0.5, right: 1 }[labelOptions.align] - labelOptions.x;

            return [-leftSide, width - leftSide];
        },

        /**
         * Handle the label overflow by adjusting the labels to the left and right edge, or
         * hide them if they collide into the neighbour label.
         */
        handleOverflow: function (index, xy) {
            var show = true,
                axis = this.axis,
                chart = axis.chart,
                isFirst = this.isFirst,
                isLast = this.isLast,
                x = xy.x,
                reversed = axis.reversed,
                tickPositions = axis.tickPositions;

            if (isFirst || isLast) {

                var sides = this.getLabelSides(),
                    leftSide = sides[0],
                    rightSide = sides[1],
                    plotLeft = chart.plotLeft,
                    plotRight = plotLeft + axis.len,
                    neighbour = axis.ticks[tickPositions[index + (isFirst ? 1 : -1)]],
                    neighbourEdge = neighbour && neighbour.label.xy.x + neighbour.getLabelSides()[isFirst ? 0 : 1];

                if ((isFirst && !reversed) || (isLast && reversed)) {
                    // Is the label spilling out to the left of the plot area?
                    if (x + leftSide < plotLeft) {

                        // Align it to plot left
                        x = plotLeft - leftSide;

                        // Hide it if it now overlaps the neighbour label
                        if (neighbour && x + rightSide > neighbourEdge) {
                            show = false;
                        }
                    }

                } else {
                    // Is the label spilling out to the right of the plot area?
                    if (x + rightSide > plotRight) {

                        // Align it to plot right
                        x = plotRight - rightSide;

                        // Hide it if it now overlaps the neighbour label
                        if (neighbour && x + leftSide < neighbourEdge) {
                            show = false;
                        }

                    }
                }

                // Set the modified x position of the label
                xy.x = x;
            }
            return show;
        },

        /**
         * Get the x and y position for ticks and labels
         */
        getPosition: function (horiz, pos, tickmarkOffset, old) {
            var axis = this.axis,
                chart = axis.chart,
                cHeight = (old && chart.oldChartHeight) || chart.chartHeight;

            return {
                x: horiz ?
                    axis.translate(pos + tickmarkOffset, null, null, old) + axis.transB :
                    axis.left + axis.offset + (axis.opposite ? ((old && chart.oldChartWidth) || chart.chartWidth) - axis.right - axis.left : 0),

                y: horiz ?
                    cHeight - axis.bottom + axis.offset - (axis.opposite ? axis.height : 0) :
                    cHeight - axis.translate(pos + tickmarkOffset, null, null, old) - axis.transB
            };

        },

        /**
         * Get the x, y position of the tick label
         */
        getLabelPosition: function (x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
            var axis = this.axis,
                transA = axis.transA,
                reversed = axis.reversed,
                staggerLines = axis.staggerLines;

            x = x + labelOptions.x - (tickmarkOffset && horiz ?
                tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
            y = y + labelOptions.y - (tickmarkOffset && !horiz ?
                tickmarkOffset * transA * (reversed ? 1 : -1) : 0);

            // Vertically centered
            if (!defined(labelOptions.y)) {
                y += pInt(label.styles.lineHeight) * 0.9 - label.getBBox().height / 2;
            }

            // Correct for staggered labels
            if (staggerLines) {
                y += (index / (step || 1) % staggerLines) * 16;
            }

            return {
                x: x,
                y: y
            };
        },

        /**
         * Extendible method to return the path of the marker
         */
        getMarkPath: function (x, y, tickLength, tickWidth, horiz, renderer) {
            return renderer.crispLine([
                M,
                x,
                y,
                L,
                x + (horiz ? 0 : -tickLength),
                y + (horiz ? tickLength : 0)
            ], tickWidth);
        },

        /**
         * Put everything in place
         *
         * @param index {Number}
         * @param old {Boolean} Use old coordinates to prepare an animation into new position
         */
        render: function (index, old) {
            var tick = this,
                axis = tick.axis,
                options = axis.options,
                chart = axis.chart,
                renderer = chart.renderer,
                horiz = axis.horiz,
                type = tick.type,
                label = tick.label,
                pos = tick.pos,
                labelOptions = options.labels,
                gridLine = tick.gridLine,
                gridPrefix = type ? type + 'Grid' : 'grid',
                tickPrefix = type ? type + 'Tick' : 'tick',
                gridLineWidth = options[gridPrefix + 'LineWidth'],
                gridLineColor = options[gridPrefix + 'LineColor'],
                dashStyle = options[gridPrefix + 'LineDashStyle'],
                tickLength = options[tickPrefix + 'Length'],
                tickWidth = options[tickPrefix + 'Width'] || 0,
                tickColor = options[tickPrefix + 'Color'],
                tickPosition = options[tickPrefix + 'Position'],
                gridLinePath,
                mark = tick.mark,
                markPath,
                step = labelOptions.step,
                attribs,
                show = true,
                tickmarkOffset = (options.categories && options.tickmarkPlacement === 'between') ? 0.5 : 0,
                xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
                x = xy.x,
                y = xy.y,
                staggerLines = axis.staggerLines;

            // create the grid line
            if (gridLineWidth) {
                gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth, old);

                if (gridLine === UNDEFINED) {
                    attribs = {
                        stroke: gridLineColor,
                        'stroke-width': gridLineWidth
                    };
                    if (dashStyle) {
                        attribs.dashstyle = dashStyle;
                    }
                    if (!type) {
                        attribs.zIndex = 1;
                    }
                    tick.gridLine = gridLine =
                        gridLineWidth ?
                            renderer.path(gridLinePath)
                                .attr(attribs).add(axis.gridGroup) :
                            null;
                }

                // If the parameter 'old' is set, the current call will be followed
                // by another call, therefore do not do any animations this time
                if (!old && gridLine && gridLinePath) {
                    gridLine[tick.isNew ? 'attr' : 'animate']({
                        d: gridLinePath
                    });
                }
            }

            // create the tick mark
            if (tickWidth) {

                // negate the length
                if (tickPosition === 'inside') {
                    tickLength = -tickLength;
                }
                if (axis.opposite) {
                    tickLength = -tickLength;
                }

                markPath = tick.getMarkPath(x, y, tickLength, tickWidth, horiz, renderer);

                if (mark) { // updating
                    mark.animate({
                        d: markPath
                    });
                } else { // first time
                    tick.mark = renderer.path(
                            markPath
                        ).attr({
                            stroke: tickColor,
                            'stroke-width': tickWidth
                        }).add(axis.axisGroup);
                }
            }

            // the label is created on init - now move it into place
            if (label && !isNaN(x)) {
                label.xy = xy = tick.getLabelPosition(x, y, label, horiz, labelOptions, tickmarkOffset, index, step);

                // apply show first and show last
                if ((tick.isFirst && !pick(options.showFirstLabel, 1)) ||
                    (tick.isLast && !pick(options.showLastLabel, 1))) {
                    show = false;

                    // Handle label overflow and show or hide accordingly
                } else if (!staggerLines && horiz && labelOptions.overflow === 'justify' && !tick.handleOverflow(index, xy)) {
                    show = false;
                }

                // apply step
                if (step && index % step) {
                    // show those indices dividable by step
                    show = false;
                }

                // Set the new position, and show or hide
                if (show) {
                    label[tick.isNew ? 'attr' : 'animate'](xy);
                    label.show();
                    tick.isNew = false;
                } else {
                    label.hide();
                }
            }
        },

        /**
         * Destructor for the tick prototype
         */
        destroy: function () {
            destroyObjectProperties(this, this.axis);
        }
    };

    /**
     * The object wrapper for plot lines and plot bands
     * @param {Object} options
     */
    function PlotLineOrBand(axis, options) {
        this.axis = axis;

        if (options) {
            this.options = options;
            this.id = options.id;
        }

        //plotLine.render()
        return this;
    }

    PlotLineOrBand.prototype = {

        /**
         * Render the plot line or plot band. If it is already existing,
         * move it.
         */
        render: function () {
            var plotLine = this,
                axis = plotLine.axis,
                horiz = axis.horiz,
                halfPointRange = (axis.pointRange || 0) / 2,
                options = plotLine.options,
                optionsLabel = options.label,
                label = plotLine.label,
                width = options.width,
                to = options.to,
                from = options.from,
                isBand = defined(from) && defined(to),
                value = options.value,
                dashStyle = options.dashStyle,
                svgElem = plotLine.svgElem,
                path = [],
                addEvent,
                eventType,
                xs,
                ys,
                x,
                y,
                color = options.color,
                zIndex = options.zIndex,
                events = options.events,
                attribs,
                renderer = axis.chart.renderer;

            // logarithmic conversion
            if (axis.isLog) {
                from = log2lin(from);
                to = log2lin(to);
                value = log2lin(value);
            }

            // plot line
            if (width) {
                path = axis.getPlotLinePath(value, width);
                attribs = {
                    stroke: color,
                    'stroke-width': width
                };
                if (dashStyle) {
                    attribs.dashstyle = dashStyle;
                }
            } else if (isBand) { // plot band

                // keep within plot area
                from = mathMax(from, axis.min - halfPointRange);
                to = mathMin(to, axis.max + halfPointRange);

                path = axis.getPlotBandPath(from, to, options);
                attribs = {
                    fill: color
                };
                if (options.borderWidth) {
                    attribs.stroke = options.borderColor;
                    attribs['stroke-width'] = options.borderWidth;
                }
            } else {
                return;
            }
            // zIndex
            if (defined(zIndex)) {
                attribs.zIndex = zIndex;
            }

            // common for lines and bands
            if (svgElem) {
                if (path) {
                    svgElem.animate({
                        d: path
                    }, null, svgElem.onGetPath);
                } else {
                    svgElem.hide();
                    svgElem.onGetPath = function () {
                        svgElem.show();
                    };
                }
            } else if (path && path.length) {
                plotLine.svgElem = svgElem = renderer.path(path)
                    .attr(attribs).add();

                // events
                if (events) {
                    addEvent = function (eventType) {
                        svgElem.on(eventType, function (e) {
                            events[eventType].apply(plotLine, [e]);
                        });
                    };
                    for (eventType in events) {
                        addEvent(eventType);
                    }
                }
            }

            // the plot band/line label
            if (optionsLabel && defined(optionsLabel.text) && path && path.length && axis.width > 0 && axis.height > 0) {
                // apply defaults
                optionsLabel = merge({
                    align: horiz && isBand && 'center',
                    x: horiz ? !isBand && 4 : 10,
                    verticalAlign: !horiz && isBand && 'middle',
                    y: horiz ? isBand ? 16 : 10 : isBand ? 6 : -4,
                    rotation: horiz && !isBand && 90
                }, optionsLabel);

                // add the SVG element
                if (!label) {
                    plotLine.label = label = renderer.text(
                            optionsLabel.text,
                            0,
                            0
                        )
                        .attr({
                            align: optionsLabel.textAlign || optionsLabel.align,
                            rotation: optionsLabel.rotation,
                            zIndex: zIndex
                        })
                        .css(optionsLabel.style)
                        .add();
                }

                // get the bounding box and align the label
                xs = [path[1], path[4], pick(path[6], path[1])];
                ys = [path[2], path[5], pick(path[7], path[2])];
                x = arrayMin(xs);
                y = arrayMin(ys);

                label.align(optionsLabel, false, {
                    x: x,
                    y: y,
                    width: arrayMax(xs) - x,
                    height: arrayMax(ys) - y
                });
                label.show();

            } else if (label) { // move out of sight
                label.hide();
            }

            // chainable
            return plotLine;
        },

        /**
         * Remove the plot line or band
         */
        destroy: function () {
            var plotLine = this,
                axis = plotLine.axis;

            // remove it from the lookup
            erase(axis.plotLinesAndBands, plotLine);

            destroyObjectProperties(plotLine, this.axis);
        }
    };
    /**
     * The class for stack items
     */
    function StackItem(axis, options, isNegative, x, stackOption) {
        var inverted = axis.chart.inverted;

        this.axis = axis;

        // Tells if the stack is negative
        this.isNegative = isNegative;

        // Save the options to be able to style the label
        this.options = options;

        // Save the x value to be able to position the label later
        this.x = x;

        // Save the stack option on the series configuration object
        this.stack = stackOption;

        // The align options and text align varies on whether the stack is negative and
        // if the chart is inverted or not.
        // First test the user supplied value, then use the dynamic.
        this.alignOptions = {
            align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
            verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
            y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
            x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
        };

        this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
    }

    StackItem.prototype = {
        destroy: function () {
            destroyObjectProperties(this, this.axis);
        },

        /**
         * Sets the total of this stack. Should be called when a serie is hidden or shown
         * since that will affect the total of other stacks.
         */
        setTotal: function (total) {
            this.total = total;
            this.cum = total;
        },

        /**
         * Renders the stack total label and adds it to the stack label group.
         */
        render: function (group) {
            var str = this.options.formatter.call(this);  // format the text in the label

            // Change the text to reflect the new total and set visibility to hidden in case the serie is hidden
            if (this.label) {
                this.label.attr({text: str, visibility: HIDDEN});
                // Create new label
            } else {
                this.label =
                    this.axis.chart.renderer.text(str, 0, 0)		// dummy positions, actual position updated with setOffset method in columnseries
                        .css(this.options.style)				// apply style
                        .attr({align: this.textAlign,			// fix the text-anchor
                            rotation: this.options.rotation,	// rotation
                            visibility: HIDDEN })				// hidden until setOffset is called
                        .add(group);							// add to the labels-group
            }
        },

        /**
         * Sets the offset that the stack has from the x value and repositions the label.
         */
        setOffset: function (xOffset, xWidth) {
            var stackItem = this,
                axis = stackItem.axis,
                chart = axis.chart,
                inverted = chart.inverted,
                neg = this.isNegative,							// special treatment is needed for negative stacks
                y = axis.translate(this.total, 0, 0, 0, 1),		// stack value translated mapped to chart coordinates
                yZero = axis.translate(0),						// stack origin
                h = mathAbs(y - yZero),							// stack height
                x = chart.xAxis[0].translate(this.x) + xOffset,	// stack x position
                plotHeight = chart.plotHeight,
                stackBox = {	// this is the box for the complete stack
                    x: inverted ? (neg ? y : y - h) : x,
                    y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
                    width: inverted ? h : xWidth,
                    height: inverted ? xWidth : h
                };

            if (this.label) {
                this.label
                    .align(this.alignOptions, null, stackBox)	// align the label to the box
                    .attr({visibility: VISIBLE});				// set visibility
            }

        }
    };
    /**
     * Create a new axis object
     * @param {Object} chart
     * @param {Object} options
     */
    function Axis() {
        this.init.apply(this, arguments);
    }

    Axis.prototype = {

        /**
         * Default options for the X axis - the Y axis has extended defaults
         */
        defaultOptions: {
            // allowDecimals: null,
            // alternateGridColor: null,
            // categories: [],
            dateTimeLabelFormats: {
                millisecond: '%H:%M:%S.%L',
                second: '%H:%M:%S',
                minute: '%H:%M',
                hour: '%H:%M',
                day: '%e. %b',
                week: '%e. %b',
                month: '%b \'%y',
                year: '%Y'
            },
            endOnTick: false,
            gridLineColor: '#C0C0C0',
            // gridLineDashStyle: 'solid',
            // gridLineWidth: 0,
            // reversed: false,

            labels: defaultLabelOptions,
            // { step: null },
            lineColor: '#C0D0E0',
            lineWidth: 1,
            //linkedTo: null,
            //max: undefined,
            //min: undefined,
            minPadding: 0.01,
            maxPadding: 0.01,
            //minRange: null,
            minorGridLineColor: '#E0E0E0',
            // minorGridLineDashStyle: null,
            minorGridLineWidth: 1,
            minorTickColor: '#A0A0A0',
            //minorTickInterval: null,
            minorTickLength: 2,
            minorTickPosition: 'outside', // inside or outside
            //minorTickWidth: 0,
            //opposite: false,
            //offset: 0,
            //plotBands: [{
            //	events: {},
            //	zIndex: 1,
            //	labels: { align, x, verticalAlign, y, style, rotation, textAlign }
            //}],
            //plotLines: [{
            //	events: {}
            //  dashStyle: {}
            //	zIndex:
            //	labels: { align, x, verticalAlign, y, style, rotation, textAlign }
            //}],
            //reversed: false,
            // showFirstLabel: true,
            // showLastLabel: true,
            startOfWeek: 1,
            startOnTick: false,
            tickColor: '#C0D0E0',
            //tickInterval: null,
            tickLength: 5,
            tickmarkPlacement: 'between', // on or between
            tickPixelInterval: 100,
            tickPosition: 'outside',
            tickWidth: 1,
            title: {
                //text: null,
                align: 'middle', // low, middle or high
                //margin: 0 for horizontal, 10 for vertical axes,
                //rotation: 0,
                //side: 'outside',
                style: {
                    color: '#6D869F',
                    //font: defaultFont.replace('normal', 'bold')
                    fontWeight: 'bold'
                }
                //x: 0,
                //y: 0
            },
            type: 'linear' // linear, logarithmic or datetime
        },

        /**
         * This options set extends the defaultOptions for Y axes
         */
        defaultYAxisOptions: {
            endOnTick: true,
            gridLineWidth: 1,
            tickPixelInterval: 72,
            showLastLabel: true,
            labels: {
                align: 'right',
                x: -8,
                y: 3
            },
            lineWidth: 0,
            maxPadding: 0.05,
            minPadding: 0.05,
            startOnTick: true,
            tickWidth: 0,
            title: {
                rotation: 270,
                text: 'Y-values'
            },
            stackLabels: {
                enabled: false,
                //align: dynamic,
                //y: dynamic,
                //x: dynamic,
                //verticalAlign: dynamic,
                //textAlign: dynamic,
                //rotation: 0,
                formatter: function () {
                    return this.total;
                },
                style: defaultLabelOptions.style
            }
        },

        /**
         * These options extend the defaultOptions for left axes
         */
        defaultLeftAxisOptions: {
            labels: {
                align: 'right',
                x: -8,
                y: null
            },
            title: {
                rotation: 270
            }
        },

        /**
         * These options extend the defaultOptions for right axes
         */
        defaultRightAxisOptions: {
            labels: {
                align: 'left',
                x: 8,
                y: null
            },
            title: {
                rotation: 90
            }
        },

        /**
         * These options extend the defaultOptions for bottom axes
         */
        defaultBottomAxisOptions: {
            labels: {
                align: 'center',
                x: 0,
                y: 14
                // overflow: undefined,
                // staggerLines: null
            },
            title: {
                rotation: 0
            }
        },
        /**
         * These options extend the defaultOptions for left axes
         */
        defaultTopAxisOptions: {
            labels: {
                align: 'center',
                x: 0,
                y: -5
                // overflow: undefined
                // staggerLines: null
            },
            title: {
                rotation: 0
            }
        },

        /**
         * Initialize the axis
         */
        init: function (chart, userOptions) {


            var isXAxis = userOptions.isX,
                axis = this;

            // Flag, is the axis horizontal
            axis.horiz = chart.inverted ? !isXAxis : isXAxis;

            // Flag, isXAxis
            axis.isXAxis = isXAxis;
            axis.xOrY = isXAxis ? 'x' : 'y';


            axis.opposite = userOptions.opposite; // needed in setOptions
            axis.side = axis.horiz ?
                (axis.opposite ? 0 : 2) : // top : bottom
                (axis.opposite ? 1 : 3);  // right : left

            axis.setOptions(userOptions);


            var options = this.options,
                type = options.type,
                isDatetimeAxis = type === 'datetime';

            axis.labelFormatter = options.labels.formatter || axis.defaultLabelFormatter; // can be overwritten by dynamic format


            // Flag, stagger lines or not
            axis.staggerLines = axis.horiz && options.labels.staggerLines;
            axis.userOptions = userOptions;

            //axis.axisTitleMargin = UNDEFINED,// = options.title.margin,
            axis.minPixelPadding = 0;
            //axis.ignoreMinPadding = UNDEFINED; // can be set to true by a column or bar series
            //axis.ignoreMaxPadding = UNDEFINED;

            axis.chart = chart;
            axis.reversed = options.reversed;

            // Initial categories
            axis.categories = options.categories;

            // Elements
            //axis.axisGroup = UNDEFINED;
            //axis.gridGroup = UNDEFINED;
            //axis.axisTitle = UNDEFINED;
            //axis.axisLine = UNDEFINED;

            // Flag if type === logarithmic
            axis.isLog = type === 'logarithmic';

            // Flag, if axis is linked to another axis
            axis.isLinked = defined(options.linkedTo);
            // Linked axis.
            //axis.linkedParent = UNDEFINED;

            // Flag if type === datetime
            axis.isDatetimeAxis = isDatetimeAxis;

            // Flag if percentage mode
            //axis.usePercentage = UNDEFINED;


            // Tick positions
            //axis.tickPositions = UNDEFINED; // array containing predefined positions
            // Tick intervals
            //axis.tickInterval = UNDEFINED;
            //axis.minorTickInterval = UNDEFINED;

            // Major ticks
            axis.ticks = {};
            // Minor ticks
            axis.minorTicks = {};
            //axis.tickAmount = UNDEFINED;

            // List of plotLines/Bands
            axis.plotLinesAndBands = [];

            // Alternate bands
            axis.alternateBands = {};

            // Axis metrics
            //axis.left = UNDEFINED;
            //axis.top = UNDEFINED;
            //axis.width = UNDEFINED;
            //axis.height = UNDEFINED;
            //axis.bottom = UNDEFINED;
            //axis.right = UNDEFINED;
            //axis.transA = UNDEFINED;
            //axis.transB = UNDEFINED;
            //axis.oldTransA = UNDEFINED;
            axis.len = 0;
            //axis.oldMin = UNDEFINED;
            //axis.oldMax = UNDEFINED;
            //axis.oldUserMin = UNDEFINED;
            //axis.oldUserMax = UNDEFINED;
            //axis.oldAxisLength = UNDEFINED;
            axis.minRange = axis.userMinRange = options.minRange || options.maxZoom;
            axis.range = options.range;
            axis.offset = options.offset || 0;


            // Dictionary for stacks
            axis.stacks = {};

            // Min and max in the data
            //axis.dataMin = UNDEFINED,
            //axis.dataMax = UNDEFINED,

            // The axis range
            axis.max = null;
            axis.min = null;

            // User set min and max
            //axis.userMin = UNDEFINED,
            //axis.userMax = UNDEFINED,

            // Run Axis

            var eventType,
                events = axis.options.events;

            // Register
            chart.axes.push(axis);
            chart[isXAxis ? 'xAxis' : 'yAxis'].push(axis);

            axis.series = []; // populated by Series

            // inverted charts have reversed xAxes as default
            if (chart.inverted && isXAxis && axis.reversed === UNDEFINED) {
                axis.reversed = true;
            }

            axis.removePlotBand = axis.removePlotBandOrLine;
            axis.removePlotLine = axis.removePlotBandOrLine;
            axis.addPlotBand = axis.addPlotBandOrLine;
            axis.addPlotLine = axis.addPlotBandOrLine;


            // register event listeners
            for (eventType in events) {
                addEvent(axis, eventType, events[eventType]);
            }

            // extend logarithmic axis
            if (axis.isLog) {
                axis.val2lin = log2lin;
                axis.lin2val = lin2log;
            }
        },

        /**
         * Merge and set options
         */
        setOptions: function (userOptions) {
            this.options = merge(
                this.defaultOptions,
                this.isXAxis ? {} : this.defaultYAxisOptions,
                [this.defaultTopAxisOptions, this.defaultRightAxisOptions,
                    this.defaultBottomAxisOptions, this.defaultLeftAxisOptions][this.side],
                userOptions
            );
        },


        /**
         * The default label formatter. The context is a special config object for the label.
         */
        defaultLabelFormatter: function () {
            var axis = this.axis,
                value = this.value,
                categories = axis.categories,
                tickInterval = axis.tickInterval,
                dateTimeLabelFormat = this.dateTimeLabelFormat,
                ret;

            if (categories) {
                ret = value;

            } else if (dateTimeLabelFormat) { // datetime axis
                ret = dateFormat(dateTimeLabelFormat, value);

            } else if (tickInterval % 1000000 === 0) { // use M abbreviation
                ret = (value / 1000000) + 'M';

            } else if (tickInterval % 1000 === 0) { // use k abbreviation
                ret = (value / 1000) + 'k';

            } else if (value >= 1000) { // add thousands separators
                ret = numberFormat(value, 0);

            } else { // small numbers
                ret = numberFormat(value, -1);
            }
            return ret;
        },

        /**
         * Get the minimum and maximum for the series of each axis
         */
        getSeriesExtremes: function () {
            var axis = this,
                chart = axis.chart,
                stacks = axis.stacks,
                posStack = [],
                negStack = [],
                i;

            // reset dataMin and dataMax in case we're redrawing
            axis.dataMin = axis.dataMax = null;

            // loop through this axis' series
            each(axis.series, function (series) {

                if (series.visible || !chart.options.chart.ignoreHiddenSeries) {

                    var seriesOptions = series.options,
                        stacking,
                        posPointStack,
                        negPointStack,
                        stackKey,
                        stackOption,
                        negKey,
                        xData,
                        yData,
                        x,
                        y,
                        threshold = seriesOptions.threshold,
                        yDataLength,
                        activeYData = [],
                        activeCounter = 0;

                    // Validate threshold in logarithmic axes
                    if (axis.isLog && threshold <= 0) {
                        threshold = seriesOptions.threshold = null;
                    }

                    // Get dataMin and dataMax for X axes
                    if (axis.isXAxis) {
                        xData = series.xData;
                        if (xData.length) {
                            axis.dataMin = mathMin(pick(axis.dataMin, xData[0]), arrayMin(xData));
                            axis.dataMax = mathMax(pick(axis.dataMax, xData[0]), arrayMax(xData));
                        }

                        // Get dataMin and dataMax for Y axes, as well as handle stacking and processed data
                    } else {
                        var isNegative,
                            pointStack,
                            key,
                            cropped = series.cropped,
                            xExtremes = series.xAxis.getExtremes(),
                        //findPointRange,
                        //pointRange,
                            j,
                            hasModifyValue = !!series.modifyValue;


                        // Handle stacking
                        stacking = seriesOptions.stacking;
                        axis.usePercentage = stacking === 'percent';

                        // create a stack for this particular series type
                        if (stacking) {
                            stackOption = seriesOptions.stack;
                            stackKey = series.type + pick(stackOption, '');
                            negKey = '-' + stackKey;
                            series.stackKey = stackKey; // used in translate

                            posPointStack = posStack[stackKey] || []; // contains the total values for each x
                            posStack[stackKey] = posPointStack;

                            negPointStack = negStack[negKey] || [];
                            negStack[negKey] = negPointStack;
                        }
                        if (axis.usePercentage) {
                            axis.dataMin = 0;
                            axis.dataMax = 99;
                        }

                        // processData can alter series.pointRange, so this goes after
                        //findPointRange = series.pointRange === null;

                        xData = series.processedXData;
                        yData = series.processedYData;
                        yDataLength = yData.length;

                        // loop over the non-null y values and read them into a local array
                        for (i = 0; i < yDataLength; i++) {
                            x = xData[i];
                            y = yData[i];
                            if (y !== null && y !== UNDEFINED) {

                                // read stacked values into a stack based on the x value,
                                // the sign of y and the stack key
                                if (stacking) {
                                    isNegative = y < threshold;
                                    pointStack = isNegative ? negPointStack : posPointStack;
                                    key = isNegative ? negKey : stackKey;

                                    y = pointStack[x] =
                                        defined(pointStack[x]) ?
                                            pointStack[x] + y : y;


                                    // add the series
                                    if (!stacks[key]) {
                                        stacks[key] = {};
                                    }

                                    // If the StackItem is there, just update the values,
                                    // if not, create one first
                                    if (!stacks[key][x]) {
                                        stacks[key][x] = new StackItem(axis, axis.options.stackLabels, isNegative, x, stackOption);
                                    }
                                    stacks[key][x].setTotal(y);


                                    // general hook, used for Highstock compare values feature
                                } else if (hasModifyValue) {
                                    y = series.modifyValue(y);
                                }

                                // get the smallest distance between points
                                /*if (i) {
                                 distance = mathAbs(xData[i] - xData[i - 1]);
                                 pointRange = pointRange === UNDEFINED ? distance : mathMin(distance, pointRange);
                                 }*/

                                // for points within the visible range, including the first point outside the
                                // visible range, consider y extremes
                                if (cropped || ((xData[i + 1] || x) >= xExtremes.min && (xData[i - 1] || x) <= xExtremes.max)) {

                                    j = y.length;
                                    if (j) { // array, like ohlc or range data
                                        while (j--) {
                                            if (y[j] !== null) {
                                                activeYData[activeCounter++] = y[j];
                                            }
                                        }
                                    } else {
                                        activeYData[activeCounter++] = y;
                                    }
                                }
                            }
                        }

                        // record the least unit distance
                        /*if (findPointRange) {
                         series.pointRange = pointRange || 1;
                         }
                         series.closestPointRange = pointRange;*/

                        // Get the dataMin and dataMax so far. If percentage is used, the min and max are
                        // always 0 and 100. If the length of activeYData is 0, continue with null values.
                        if (!axis.usePercentage && activeYData.length) {
                            axis.dataMin = mathMin(pick(axis.dataMin, activeYData[0]), arrayMin(activeYData));
                            axis.dataMax = mathMax(pick(axis.dataMax, activeYData[0]), arrayMax(activeYData));
                        }

                        // Adjust to threshold
                        if (defined(threshold)) {
                            if (axis.dataMin >= threshold) {
                                axis.dataMin = threshold;
                                axis.ignoreMinPadding = true;
                            } else if (axis.dataMax < threshold) {
                                axis.dataMax = threshold;
                                axis.ignoreMaxPadding = true;
                            }
                        }
                    }
                }
            });
        },

        /**
         * Translate from axis value to pixel position on the chart, or back
         *
         */
        translate: function (val, backwards, cvsCoord, old, handleLog) {
            var axis = this,
                axisLength = axis.len,
                sign = 1,
                cvsOffset = 0,
                localA = old ? axis.oldTransA : axis.transA,
                localMin = old ? axis.oldMin : axis.min,
                returnValue,
                postTranslate = axis.options.ordinal || (axis.isLog && handleLog);

            if (!localA) {
                localA = axis.transA;
            }

            if (cvsCoord) {
                sign *= -1; // canvas coordinates inverts the value
                cvsOffset = axisLength;
            }
            if (axis.reversed) { // reversed axis
                sign *= -1;
                cvsOffset -= sign * axisLength;
            }

            if (backwards) { // reverse translation
                if (axis.reversed) {
                    val = axisLength - val;
                }
                returnValue = val / localA + localMin; // from chart pixel to value
                if (postTranslate) { // log and ordinal axes
                    returnValue = axis.lin2val(returnValue);
                }

            } else { // normal translation, from axis value to pixel, relative to plot
                if (postTranslate) { // log and ordinal axes
                    val = axis.val2lin(val);
                }

                returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * axis.minPixelPadding);
            }

            return returnValue;
        },

        /**
         * Create the path for a plot line that goes from the given value on
         * this axis, across the plot to the opposite side
         * @param {Number} value
         * @param {Number} lineWidth Used for calculation crisp line
         * @param {Number] old Use old coordinates (for resizing and rescaling)
	 */
        getPlotLinePath: function (value, lineWidth, old) {
            var axis = this,
                chart = axis.chart,
                axisLeft = axis.left,
                axisTop = axis.top,
                x1,
                y1,
                x2,
                y2,
                translatedValue = axis.translate(value, null, null, old),
                cHeight = (old && chart.oldChartHeight) || chart.chartHeight,
                cWidth = (old && chart.oldChartWidth) || chart.chartWidth,
                skip,
                transB = axis.transB;

            x1 = x2 = mathRound(translatedValue + transB);
            y1 = y2 = mathRound(cHeight - translatedValue - transB);

            if (isNaN(translatedValue)) { // no min or max
                skip = true;

            } else if (axis.horiz) {
                y1 = axisTop;
                y2 = cHeight - axis.bottom;
                if (x1 < axisLeft || x1 > axisLeft + axis.width) {
                    skip = true;
                }
            } else {
                x1 = axisLeft;
                x2 = cWidth - axis.right;

                if (y1 < axisTop || y1 > axisTop + axis.height) {
                    skip = true;
                }
            }
            return skip ?
                null :
                chart.renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 0);
        },

        /**
         * Create the path for a plot band
         */
        getPlotBandPath: function (from, to) {

            var toPath = this.getPlotLinePath(to),
                path = this.getPlotLinePath(from);

            if (path && toPath) {
                path.push(
                    toPath[4],
                    toPath[5],
                    toPath[1],
                    toPath[2]
                );
            } else { // outside the axis area
                path = null;
            }

            return path;
        },

        /**
         * Set the tick positions of a linear axis to round values like whole tens or every five.
         */
        getLinearTickPositions: function (tickInterval, min, max) {
            var pos,
                lastPos,
                roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
                roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval),
                tickPositions = [];

            // Populate the intermediate values
            pos = roundedMin;
            while (pos <= roundedMax) {

                // Place the tick on the rounded value
                tickPositions.push(pos);

                // Always add the raw tickInterval, not the corrected one.
                pos = correctFloat(pos + tickInterval);

                // If the interval is not big enough in the current min - max range to actually increase
                // the loop variable, we need to break out to prevent endless loop. Issue #619
                if (pos === lastPos) {
                    break;
                }

                // Record the last value
                lastPos = pos;
            }
            return tickPositions;
        },

        /**
         * Set the tick positions of a logarithmic axis
         */
        getLogTickPositions: function (interval, min, max, minor) {
            var axis = this,
                options = axis.options,
                axisLength = axis.len;

            // Since we use this method for both major and minor ticks,
            // use a local variable and return the result
            var positions = [];

            // Reset
            if (!minor) {
                axis._minorAutoInterval = null;
            }

            // First case: All ticks fall on whole logarithms: 1, 10, 100 etc.
            if (interval >= 0.5) {
                interval = mathRound(interval);
                positions = axis.getLinearTickPositions(interval, min, max);

                // Second case: We need intermediary ticks. For example 
                // 1, 2, 4, 6, 8, 10, 20, 40 etc. 
            } else if (interval >= 0.08) {
                var roundedMin = mathFloor(min),
                    intermediate,
                    i,
                    j,
                    len,
                    pos,
                    lastPos,
                    break2;

                if (interval > 0.3) {
                    intermediate = [1, 2, 4];
                } else if (interval > 0.15) { // 0.2 equals five minor ticks per 1, 10, 100 etc
                    intermediate = [1, 2, 4, 6, 8];
                } else { // 0.1 equals ten minor ticks per 1, 10, 100 etc
                    intermediate = [1, 2, 3, 4, 5, 6, 7, 8, 9];
                }

                for (i = roundedMin; i < max + 1 && !break2; i++) {
                    len = intermediate.length;
                    for (j = 0; j < len && !break2; j++) {
                        pos = log2lin(lin2log(i) * intermediate[j]);

                        if (pos > min) {
                            positions.push(lastPos);
                        }

                        if (lastPos > max) {
                            break2 = true;
                        }
                        lastPos = pos;
                    }
                }

                // Third case: We are so deep in between whole logarithmic values that
                // we might as well handle the tick positions like a linear axis. For
                // example 1.01, 1.02, 1.03, 1.04.
            } else {
                var realMin = lin2log(min),
                    realMax = lin2log(max),
                    tickIntervalOption = options[minor ? 'minorTickInterval' : 'tickInterval'],
                    filteredTickIntervalOption = tickIntervalOption === 'auto' ? null : tickIntervalOption,
                    tickPixelIntervalOption = options.tickPixelInterval / (minor ? 5 : 1),
                    totalPixelLength = minor ? axisLength / axis.tickPositions.length : axisLength;

                interval = pick(
                    filteredTickIntervalOption,
                    axis._minorAutoInterval,
                    (realMax - realMin) * tickPixelIntervalOption / (totalPixelLength || 1)
                );

                interval = normalizeTickInterval(
                    interval,
                    null,
                    math.pow(10, mathFloor(math.log(interval) / math.LN10))
                );

                positions = map(axis.getLinearTickPositions(
                    interval,
                    realMin,
                    realMax
                ), log2lin);

                if (!minor) {
                    axis._minorAutoInterval = interval / 5;
                }
            }

            // Set the axis-level tickInterval variable 
            if (!minor) {
                axis.tickInterval = interval;
            }
            return positions;
        },

        /**
         * Return the minor tick positions. For logarithmic axes, reuse the same logic
         * as for major ticks.
         */
        getMinorTickPositions: function () {
            var axis = this,
                tickPositions = axis.tickPositions,
                minorTickInterval = axis.minorTickInterval;

            var minorTickPositions = [],
                pos,
                i,
                len;

            if (axis.isLog) {
                len = tickPositions.length;
                for (i = 1; i < len; i++) {
                    minorTickPositions = minorTickPositions.concat(
                        axis.getLogTickPositions(minorTickInterval, tickPositions[i - 1], tickPositions[i], true)
                    );
                }

            } else {
                for (pos = axis.min + (tickPositions[0] - axis.min) % minorTickInterval; pos <= axis.max; pos += minorTickInterval) {
                    minorTickPositions.push(pos);
                }
            }

            return minorTickPositions;
        },

        /**
         * Adjust the min and max for the minimum range. Keep in mind that the series data is
         * not yet processed, so we don't have information on data cropping and grouping, or
         * updated axis.pointRange or series.pointRange. The data can't be processed until
         * we have finally established min and max.
         */
        adjustForMinRange: function () {
            var axis = this,
                options = axis.options,
                min = axis.min,
                max = axis.max,
                zoomOffset,
                spaceAvailable = axis.dataMax - axis.dataMin >= axis.minRange,
                closestDataRange,
                i,
                distance,
                xData,
                loopLength,
                minArgs,
                maxArgs;

            // Set the automatic minimum range based on the closest point distance
            if (axis.isXAxis && axis.minRange === UNDEFINED && !axis.isLog) {

                if (defined(options.min) || defined(options.max)) {
                    axis.minRange = null; // don't do this again

                } else {

                    // Find the closest distance between raw data points, as opposed to
                    // closestPointRange that applies to processed points (cropped and grouped)
                    each(axis.series, function (series) {
                        xData = series.xData;
                        loopLength = series.xIncrement ? 1 : xData.length - 1;
                        for (i = loopLength; i > 0; i--) {
                            distance = xData[i] - xData[i - 1];
                            if (closestDataRange === UNDEFINED || distance < closestDataRange) {
                                closestDataRange = distance;
                            }
                        }
                    });
                    axis.minRange = mathMin(closestDataRange * 5, axis.dataMax - axis.dataMin);
                }
            }

            // if minRange is exceeded, adjust
            if (max - min < axis.minRange) {
                var minRange = axis.minRange;
                zoomOffset = (minRange - max + min) / 2;

                // if min and max options have been set, don't go beyond it
                minArgs = [min - zoomOffset, pick(options.min, min - zoomOffset)];
                if (spaceAvailable) { // if space is available, stay within the data range
                    minArgs[2] = axis.dataMin;
                }
                min = arrayMax(minArgs);

                maxArgs = [min + minRange, pick(options.max, min + minRange)];
                if (spaceAvailable) { // if space is availabe, stay within the data range
                    maxArgs[2] = axis.dataMax;
                }

                max = arrayMin(maxArgs);

                // now if the max is adjusted, adjust the min back
                if (max - min < minRange) {
                    minArgs[0] = max - minRange;
                    minArgs[1] = pick(options.min, max - minRange);
                    min = arrayMax(minArgs);
                }
            }

            // Record modified extremes
            axis.min = min;
            axis.max = max;
        },

        /**
         * Update translation information
         */
        setAxisTranslation: function () {
            var axis = this,
                range = axis.max - axis.min,
                pointRange = 0,
                closestPointRange,
                seriesClosestPointRange,
                transA = axis.transA;

            // adjust translation for padding
            if (axis.isXAxis) {
                if (axis.isLinked) {
                    pointRange = axis.linkedParent.pointRange;
                } else {
                    each(axis.series, function (series) {
                        pointRange = mathMax(pointRange, series.pointRange);
                        seriesClosestPointRange = series.closestPointRange;
                        if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
                            closestPointRange = defined(closestPointRange) ?
                                mathMin(closestPointRange, seriesClosestPointRange) :
                                seriesClosestPointRange;
                        }
                    });
                }

                // pointRange means the width reserved for each point, like in a column chart
                axis.pointRange = pointRange;

                // closestPointRange means the closest distance between points. In columns
                // it is mostly equal to pointRange, but in lines pointRange is 0 while closestPointRange
                // is some other value
                axis.closestPointRange = closestPointRange;
            }

            // secondary values
            axis.oldTransA = transA;
            axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRange) || 1);
            axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
            axis.minPixelPadding = transA * (pointRange / 2);
        },

        /**
         * Set the tick positions to round values and optionally extend the extremes
         * to the nearest tick
         */
        setTickPositions: function (secondPass) {
            var axis = this,
                chart = axis.chart,
                options = axis.options,
                isLog = axis.isLog,
                isDatetimeAxis = axis.isDatetimeAxis,
                isXAxis = axis.isXAxis,
                isLinked = axis.isLinked,
                tickPositioner = axis.options.tickPositioner,
                magnitude,
                maxPadding = options.maxPadding,
                minPadding = options.minPadding,
                length,
                linkedParentExtremes,
                tickIntervalOption = options.tickInterval,
                tickPixelIntervalOption = options.tickPixelInterval,
                tickPositions,
                categories = axis.categories;

            // linked axis gets the extremes from the parent axis
            if (isLinked) {
                axis.linkedParent = chart[isXAxis ? 'xAxis' : 'yAxis'][options.linkedTo];
                linkedParentExtremes = axis.linkedParent.getExtremes();
                axis.min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
                axis.max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
                if (options.type !== axis.linkedParent.options.type) {
                    error(11, 1); // Can't link axes of different type
                }
            } else { // initial min and max from the extreme data values
                axis.min = pick(axis.userMin, options.min, axis.dataMin);
                axis.max = pick(axis.userMax, options.max, axis.dataMax);
            }

            if (isLog) {
                if (!secondPass && mathMin(axis.min, pick(axis.dataMin, axis.min)) <= 0) { // #978
                    error(10, 1); // Can't plot negative values on log axis
                }
                axis.min = correctFloat(log2lin(axis.min)); // correctFloat cures #934
                axis.max = correctFloat(log2lin(axis.max));
            }

            // handle zoomed range
            if (axis.range) {
                axis.userMin = axis.min = mathMax(axis.min, axis.max - axis.range); // #618
                axis.userMax = axis.max;
                if (secondPass) {
                    axis.range = null;  // don't use it when running setExtremes
                }
            }

            // adjust min and max for the minimum range
            axis.adjustForMinRange();

            // pad the values to get clear of the chart's edges
            if (!categories && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
                length = (axis.max - axis.min) || 1;
                if (!defined(options.min) && !defined(axis.userMin) && minPadding && (axis.dataMin < 0 || !axis.ignoreMinPadding)) {
                    axis.min -= length * minPadding;
                }
                if (!defined(options.max) && !defined(axis.userMax) && maxPadding && (axis.dataMax > 0 || !axis.ignoreMaxPadding)) {
                    axis.max += length * maxPadding;
                }
            }

            // get tickInterval
            if (axis.min === axis.max || axis.min === undefined || axis.max === undefined) {
                axis.tickInterval = 1;
            } else if (isLinked && !tickIntervalOption &&
                tickPixelIntervalOption === axis.linkedParent.options.tickPixelInterval) {
                axis.tickInterval = axis.linkedParent.tickInterval;
            } else {
                axis.tickInterval = pick(
                    tickIntervalOption,
                    categories ? // for categoried axis, 1 is default, for linear axis use tickPix
                        1 :
                        (axis.max - axis.min) * tickPixelIntervalOption / (axis.len || 1)
                );
            }

            // Now we're finished detecting min and max, crop and group series data. This
            // is in turn needed in order to find tick positions in ordinal axes. 
            if (isXAxis && !secondPass) {
                each(axis.series, function (series) {
                    series.processData(axis.min !== axis.oldMin || axis.max !== axis.oldMax);
                });
            }

            // set the translation factor used in translate function
            axis.setAxisTranslation();

            // hook for ordinal axes. To do: merge with below
            if (axis.beforeSetTickPositions) {
                axis.beforeSetTickPositions();
            }

            // hook for extensions, used in Highstock ordinal axes
            if (axis.postProcessTickInterval) {
                axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
            }

            // for linear axes, get magnitude and normalize the interval
            if (!isDatetimeAxis && !isLog) { // linear
                magnitude = math.pow(10, mathFloor(math.log(axis.tickInterval) / math.LN10));
                if (!defined(options.tickInterval)) {
                    axis.tickInterval = normalizeTickInterval(axis.tickInterval, null, magnitude, options);
                }
            }

            // get minorTickInterval
            axis.minorTickInterval = options.minorTickInterval === 'auto' && axis.tickInterval ?
                axis.tickInterval / 5 : options.minorTickInterval;

            // find the tick positions
            axis.tickPositions = tickPositions = options.tickPositions || (tickPositioner && tickPositioner.apply(axis, [axis.min, axis.max]));
            if (!tickPositions) {
                if (isDatetimeAxis) {
                    tickPositions = (axis.getNonLinearTimeTicks || getTimeTicks)(
                        normalizeTimeTickInterval(axis.tickInterval, options.units),
                        axis.min,
                        axis.max,
                        options.startOfWeek,
                        axis.ordinalPositions,
                        axis.closestPointRange,
                        true
                    );
                } else if (isLog) {
                    tickPositions = axis.getLogTickPositions(axis.tickInterval, axis.min, axis.max);
                } else {
                    tickPositions = axis.getLinearTickPositions(axis.tickInterval, axis.min, axis.max);
                }
                axis.tickPositions = tickPositions;
            }

            if (!isLinked) {

                // reset min/max or remove extremes based on start/end on tick
                var roundedMin = tickPositions[0],
                    roundedMax = tickPositions[tickPositions.length - 1];

                if (options.startOnTick) {
                    axis.min = roundedMin;
                } else if (axis.min > roundedMin) {
                    tickPositions.shift();
                }

                if (options.endOnTick) {
                    axis.max = roundedMax;
                } else if (axis.max < roundedMax) {
                    tickPositions.pop();
                }

            }
        },

        /**
         * Set the max ticks of either the x and y axis collection
         */
        setMaxTicks: function () {

            var chart = this.chart,
                maxTicks = chart.maxTicks,
                tickPositions = this.tickPositions,
                xOrY = this.xOrY;

            if (!maxTicks) { // first call, or maxTicks have been reset after a zoom operation
                maxTicks = {
                    x: 0,
                    y: 0
                };
            }

            if (!this.isLinked && !this.isDatetimeAxis && tickPositions.length > maxTicks[xOrY] && this.options.alignTicks !== false) {
                maxTicks[xOrY] = tickPositions.length;
            }
            chart.maxTicks = maxTicks;
        },

        /**
         * When using multiple axes, adjust the number of ticks to match the highest
         * number of ticks in that group
         */
        adjustTickAmount: function () {
            var axis = this,
                chart = axis.chart,
                xOrY = axis.xOrY,
                tickPositions = axis.tickPositions,
                maxTicks = chart.maxTicks;

            if (maxTicks && maxTicks[xOrY] && !axis.isDatetimeAxis && !axis.categories && !axis.isLinked && axis.options.alignTicks !== false) { // only apply to linear scale
                var oldTickAmount = axis.tickAmount,
                    calculatedTickAmount = tickPositions.length,
                    tickAmount;

                // set the axis-level tickAmount to use below
                axis.tickAmount = tickAmount = maxTicks[xOrY];

                if (calculatedTickAmount < tickAmount) {
                    while (tickPositions.length < tickAmount) {
                        tickPositions.push(correctFloat(
                            tickPositions[tickPositions.length - 1] + axis.tickInterval
                        ));
                    }
                    axis.transA *= (calculatedTickAmount - 1) / (tickAmount - 1);
                    axis.max = tickPositions[tickPositions.length - 1];

                }
                if (defined(oldTickAmount) && tickAmount !== oldTickAmount) {
                    axis.isDirty = true;
                }
            }
        },

        /**
         * Set the scale based on data min and max, user set min and max or options
         *
         */
        setScale: function () {
            var axis = this,
                stacks = axis.stacks,
                type,
                i,
                isDirtyData,
                isDirtyAxisLength;

            axis.oldMin = axis.min;
            axis.oldMax = axis.max;
            axis.oldAxisLength = axis.len;

            // set the new axisLength
            axis.setAxisSize();
            //axisLength = horiz ? axisWidth : axisHeight;
            isDirtyAxisLength = axis.len !== axis.oldAxisLength;

            // is there new data?
            each(axis.series, function (series) {
                if (series.isDirtyData || series.isDirty ||
                    series.xAxis.isDirty) { // when x axis is dirty, we need new data extremes for y as well
                    isDirtyData = true;
                }
            });

            // do we really need to go through all this?
            if (isDirtyAxisLength || isDirtyData || axis.isLinked ||
                axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {

                // get data extremes if needed
                axis.getSeriesExtremes();

                // get fixed positions based on tickInterval
                axis.setTickPositions();

                // record old values to decide whether a rescale is necessary later on (#540)
                axis.oldUserMin = axis.userMin;
                axis.oldUserMax = axis.userMax;

                // Mark as dirty if it is not already set to dirty and extremes have changed. #595.
                if (!axis.isDirty) {
                    axis.isDirty = isDirtyAxisLength || axis.min !== axis.oldMin || axis.max !== axis.oldMax;
                }
            }


            // reset stacks
            if (!axis.isXAxis) {
                for (type in stacks) {
                    for (i in stacks[type]) {
                        stacks[type][i].cum = stacks[type][i].total;
                    }
                }
            }

            // Set the maximum tick amount
            axis.setMaxTicks();
        },

        /**
         * Set the extremes and optionally redraw
         * @param {Number} newMin
         * @param {Number} newMax
         * @param {Boolean} redraw
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         * @param {Object} eventArguments
         *
         */
        setExtremes: function (newMin, newMax, redraw, animation, eventArguments) {
            var axis = this,
                chart = axis.chart;

            redraw = pick(redraw, true); // defaults to true

            // Extend the arguments with min and max
            eventArguments = extend(eventArguments, {
                min: newMin,
                max: newMax
            });

            // Fire the event
            fireEvent(axis, 'setExtremes', eventArguments, function () { // the default event handler

                axis.userMin = newMin;
                axis.userMax = newMax;

                // Mark for running afterSetExtremes
                axis.isDirtyExtremes = true;

                // redraw
                if (redraw) {
                    chart.redraw(animation);
                }
            });
        },

        /**
         * Update the axis metrics
         */
        setAxisSize: function () {
            var axis = this,
                chart = axis.chart,
                options = axis.options;

            var offsetLeft = options.offsetLeft || 0,
                offsetRight = options.offsetRight || 0;

            // basic values
            // expose to use in Series object and navigator
            axis.left = pick(options.left, chart.plotLeft + offsetLeft);
            axis.top = pick(options.top, chart.plotTop);
            axis.width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight);
            axis.height = pick(options.height, chart.plotHeight);
            axis.bottom = chart.chartHeight - axis.height - axis.top;
            axis.right = chart.chartWidth - axis.width - axis.left;
            axis.len = mathMax(axis.horiz ? axis.width : axis.height, 0); // mathMax fixes #905
        },

        /**
         * Get the actual axis extremes
         */
        getExtremes: function () {
            var axis = this,
                isLog = axis.isLog;

            return {
                min: isLog ? correctFloat(lin2log(axis.min)) : axis.min,
                max: isLog ? correctFloat(lin2log(axis.max)) : axis.max,
                dataMin: axis.dataMin,
                dataMax: axis.dataMax,
                userMin: axis.userMin,
                userMax: axis.userMax
            };
        },

        /**
         * Get the zero plane either based on zero or on the min or max value.
         * Used in bar and area plots
         */
        getThreshold: function (threshold) {
            var axis = this,
                isLog = axis.isLog;

            var realMin = isLog ? lin2log(axis.min) : axis.min,
                realMax = isLog ? lin2log(axis.max) : axis.max;

            if (realMin > threshold || threshold === null) {
                threshold = realMin;
            } else if (realMax < threshold) {
                threshold = realMax;
            }

            return axis.translate(threshold, 0, 1, 0, 1);
        },

        /**
         * Add a plot band or plot line after render time
         *
         * @param options {Object} The plotBand or plotLine configuration object
         */
        addPlotBandOrLine: function (options) {
            var obj = new PlotLineOrBand(this, options).render();
            this.plotLinesAndBands.push(obj);
            return obj;
        },

        /**
         * Render the tick labels to a preliminary position to get their sizes
         */
        getOffset: function () {
            var axis = this,
                chart = axis.chart,
                renderer = chart.renderer,
                options = axis.options,
                tickPositions = axis.tickPositions,
                ticks = axis.ticks,
                horiz = axis.horiz,
                side = axis.side,
                hasData,
                showAxis,
                titleOffset = 0,
                titleOffsetOption,
                titleMargin = 0,
                axisTitleOptions = options.title,
                labelOptions = options.labels,
                labelOffset = 0, // reset
                axisOffset = chart.axisOffset,
                directionFactor = [-1, 1, 1, -1][side],
                n;


            // For reuse in Axis.render
            axis.hasData = hasData = axis.series.length && defined(axis.min) && defined(axis.max);
            axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);

            // Create the axisGroup and gridGroup elements on first iteration
            if (!axis.axisGroup) {
                axis.axisGroup = renderer.g('axis')
                    .attr({ zIndex: options.zIndex || 7 })
                    .add();
                axis.gridGroup = renderer.g('grid')
                    .attr({ zIndex: options.gridZIndex || 1 })
                    .add();
            }

            if (hasData || axis.isLinked) {
                each(tickPositions, function (pos) {
                    if (!ticks[pos]) {
                        ticks[pos] = new Tick(axis, pos);
                    } else {
                        ticks[pos].addLabel(); // update labels depending on tick interval
                    }

                });

                each(tickPositions, function (pos) {
                    // left side must be align: right and right side must have align: left for labels
                    if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === labelOptions.align) {

                        // get the highest offset
                        labelOffset = mathMax(
                            ticks[pos].getLabelSize(),
                            labelOffset
                        );
                    }

                });

                if (axis.staggerLines) {
                    labelOffset += (axis.staggerLines - 1) * 16;
                }

            } else { // doesn't have data
                for (n in ticks) {
                    ticks[n].destroy();
                    delete ticks[n];
                }
            }

            if (axisTitleOptions && axisTitleOptions.text) {
                if (!axis.axisTitle) {
                    axis.axisTitle = renderer.text(
                            axisTitleOptions.text,
                            0,
                            0,
                            axisTitleOptions.useHTML
                        )
                        .attr({
                            zIndex: 7,
                            rotation: axisTitleOptions.rotation || 0,
                            align: axisTitleOptions.textAlign ||
                                { low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
                        })
                        .css(axisTitleOptions.style)
                        .add(axis.axisGroup);
                    axis.axisTitle.isNew = true;
                }

                if (showAxis) {
                    titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
                    titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10);
                    titleOffsetOption = axisTitleOptions.offset;
                }

                // hide or show the title depending on whether showEmpty is set
                axis.axisTitle[showAxis ? 'show' : 'hide']();
            }

            // handle automatic or user set offset
            axis.offset = directionFactor * pick(options.offset, axisOffset[side]);


            axis.axisTitleMargin =
                pick(titleOffsetOption,
                    labelOffset + titleMargin +
                        (side !== 2 && labelOffset && directionFactor * options.labels[horiz ? 'y' : 'x'])
                );

            axisOffset[side] = mathMax(
                axisOffset[side],
                axis.axisTitleMargin + titleOffset + directionFactor * axis.offset
            );

        },

        /**
         * Get the path for the axis line
         */
        getLinePath: function (lineWidth) {
            var chart = this.chart,
                opposite = this.opposite,
                offset = this.offset,
                horiz = this.horiz,
                lineLeft = this.left + (opposite ? this.width : 0) + offset,
                lineTop = chart.chartHeight - this.bottom - (opposite ? this.height : 0) + offset;

            return chart.renderer.crispLine([
                M,
                horiz ?
                    this.left :
                    lineLeft,
                horiz ?
                    lineTop :
                    this.top,
                L,
                horiz ?
                    chart.chartWidth - this.right :
                    lineLeft,
                horiz ?
                    lineTop :
                    chart.chartHeight - this.bottom
            ], lineWidth);
        },

        /**
         * Position the title
         */
        getTitlePosition: function () {
            // compute anchor points for each of the title align options
            var horiz = this.horiz,
                axisLeft = this.left,
                axisTop = this.top,
                axisLength = this.len,
                axisTitleOptions = this.options.title,
                margin = horiz ? axisLeft : axisTop,
                opposite = this.opposite,
                offset = this.offset,
                fontSize = pInt(axisTitleOptions.style.fontSize || 12),

            // the position in the length direction of the axis
                alongAxis = {
                    low: margin + (horiz ? 0 : axisLength),
                    middle: margin + axisLength / 2,
                    high: margin + (horiz ? axisLength : 0)
                }[axisTitleOptions.align],

            // the position in the perpendicular direction of the axis
                offAxis = (horiz ? axisTop + this.height : axisLeft) +
                    (horiz ? 1 : -1) * // horizontal axis reverses the margin
                        (opposite ? -1 : 1) * // so does opposite axes
                        this.axisTitleMargin +
                    (this.side === 2 ? fontSize : 0);

            return {
                x: horiz ?
                    alongAxis :
                    offAxis + (opposite ? this.width : 0) + offset +
                        (axisTitleOptions.x || 0), // x
                y: horiz ?
                    offAxis - (opposite ? this.height : 0) + offset :
                    alongAxis + (axisTitleOptions.y || 0) // y
            };
        },

        /**
         * Render the axis
         */
        render: function () {
            var axis = this,
                chart = axis.chart,
                renderer = chart.renderer,
                options = axis.options,
                isLog = axis.isLog,
                isLinked = axis.isLinked,
                tickPositions = axis.tickPositions,
                axisTitle = axis.axisTitle,
                stacks = axis.stacks,
                ticks = axis.ticks,
                minorTicks = axis.minorTicks,
                alternateBands = axis.alternateBands,
                stackLabelOptions = options.stackLabels,
                alternateGridColor = options.alternateGridColor,
                lineWidth = options.lineWidth,
                linePath,
                hasRendered = chart.hasRendered,
                slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
                hasData = axis.hasData,
                showAxis = axis.showAxis,
                from,
                to;

            // If the series has data draw the ticks. Else only the line and title
            if (hasData || isLinked) {

                // minor ticks
                if (axis.minorTickInterval && !axis.categories) {
                    each(axis.getMinorTickPositions(), function (pos) {
                        if (!minorTicks[pos]) {
                            minorTicks[pos] = new Tick(axis, pos, 'minor');
                        }

                        // render new ticks in old position
                        if (slideInTicks && minorTicks[pos].isNew) {
                            minorTicks[pos].render(null, true);
                        }


                        minorTicks[pos].isActive = true;
                        minorTicks[pos].render();
                    });
                }

                // Major ticks. Pull out the first item and render it last so that
                // we can get the position of the neighbour label. #808.
                each(tickPositions.slice(1).concat([tickPositions[0]]), function (pos, i) {

                    // Reorganize the indices
                    i = (i === tickPositions.length - 1) ? 0 : i + 1;

                    // linked axes need an extra check to find out if
                    if (!isLinked || (pos >= axis.min && pos <= axis.max)) {

                        if (!ticks[pos]) {
                            ticks[pos] = new Tick(axis, pos);
                        }

                        // render new ticks in old position
                        if (slideInTicks && ticks[pos].isNew) {
                            ticks[pos].render(i, true);
                        }

                        ticks[pos].isActive = true;
                        ticks[pos].render(i);
                    }

                });

                // alternate grid color
                if (alternateGridColor) {
                    each(tickPositions, function (pos, i) {
                        if (i % 2 === 0 && pos < axis.max) {
                            if (!alternateBands[pos]) {
                                alternateBands[pos] = new PlotLineOrBand(axis);
                            }
                            from = pos;
                            to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] : axis.max;
                            alternateBands[pos].options = {
                                from: isLog ? lin2log(from) : from,
                                to: isLog ? lin2log(to) : to,
                                color: alternateGridColor
                            };
                            alternateBands[pos].render();
                            alternateBands[pos].isActive = true;
                        }
                    });
                }

                // custom plot lines and bands
                if (!axis._addedPlotLB) { // only first time
                    each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
                        //plotLinesAndBands.push(new PlotLineOrBand(plotLineOptions).render());
                        axis.addPlotBandOrLine(plotLineOptions);
                    });
                    axis._addedPlotLB = true;
                }

            } // end if hasData

            // remove inactive ticks
            each([ticks, minorTicks, alternateBands], function (coll) {
                var pos;
                for (pos in coll) {
                    if (!coll[pos].isActive) {
                        coll[pos].destroy();
                        delete coll[pos];
                    } else {
                        coll[pos].isActive = false; // reset
                    }
                }
            });

            // Static items. As the axis group is cleared on subsequent calls
            // to render, these items are added outside the group.
            // axis line
            if (lineWidth) {
                linePath = axis.getLinePath(lineWidth);
                if (!axis.axisLine) {
                    axis.axisLine = renderer.path(linePath)
                        .attr({
                            stroke: options.lineColor,
                            'stroke-width': lineWidth,
                            zIndex: 7
                        })
                        .add();
                } else {
                    axis.axisLine.animate({ d: linePath });
                }

                // show or hide the line depending on options.showEmpty
                axis.axisLine[showAxis ? 'show' : 'hide']();

            }

            if (axisTitle && showAxis) {

                axisTitle[axisTitle.isNew ? 'attr' : 'animate'](
                    axis.getTitlePosition()
                );
                axisTitle.isNew = false;
            }

            // Stacked totals:
            if (stackLabelOptions && stackLabelOptions.enabled) {
                var stackKey, oneStack, stackCategory,
                    stackTotalGroup = axis.stackTotalGroup;

                // Create a separate group for the stack total labels
                if (!stackTotalGroup) {
                    axis.stackTotalGroup = stackTotalGroup =
                        renderer.g('stack-labels')
                            .attr({
                                visibility: VISIBLE,
                                zIndex: 6
                            })
                            .add();
                }

                // plotLeft/Top will change when y axis gets wider so we need to translate the
                // stackTotalGroup at every render call. See bug #506 and #516
                stackTotalGroup.translate(chart.plotLeft, chart.plotTop);

                // Render each stack total
                for (stackKey in stacks) {
                    oneStack = stacks[stackKey];
                    for (stackCategory in oneStack) {
                        oneStack[stackCategory].render(stackTotalGroup);
                    }
                }
            }
            // End stacked totals

            axis.isDirty = false;
        },

        /**
         * Remove a plot band or plot line from the chart by id
         * @param {Object} id
         */
        removePlotBandOrLine: function (id) {
            var plotLinesAndBands = this.plotLinesAndBands,
                i = plotLinesAndBands.length;
            while (i--) {
                if (plotLinesAndBands[i].id === id) {
                    plotLinesAndBands[i].destroy();
                }
            }
        },

        /**
         * Update the axis title by options
         */
        setTitle: function (newTitleOptions, redraw) {
            var axis = this,
                chart = axis.chart,
                options = axis.options,
                axisTitle;

            options.title = merge(options.title, newTitleOptions);

            axis.axisTitle = axisTitle && axisTitle.destroy(); // #922
            axis.isDirty = true;

            if (pick(redraw, true)) {
                chart.redraw();
            }
        },

        /**
         * Redraw the axis to reflect changes in the data or axis extremes
         */
        redraw: function () {
            var axis = this,
                chart = axis.chart;

            // hide tooltip and hover states
            if (chart.tracker.resetTracker) {
                chart.tracker.resetTracker(true);
            }

            // render the axis
            axis.render();

            // move plot lines and bands
            each(axis.plotLinesAndBands, function (plotLine) {
                plotLine.render();
            });

            // mark associated series as dirty and ready for redraw
            each(axis.series, function (series) {
                series.isDirty = true;
            });

        },

        /**
         * Set new axis categories and optionally redraw
         * @param {Array} newCategories
         * @param {Boolean} doRedraw
         */
        setCategories: function (newCategories, doRedraw) {
            var axis = this,
                chart = axis.chart;

            // set the categories
            axis.categories = axis.userOptions.categories = newCategories;

            // force reindexing tooltips
            each(axis.series, function (series) {
                series.translate();
                series.setTooltipPoints(true);
            });


            // optionally redraw
            axis.isDirty = true;

            if (pick(doRedraw, true)) {
                chart.redraw();
            }
        },

        /**
         * Destroys an Axis instance.
         */
        destroy: function () {
            var axis = this,
                stacks = axis.stacks,
                stackKey;

            // Remove the events
            removeEvent(axis);

            // Destroy each stack total
            for (stackKey in stacks) {
                destroyObjectProperties(stacks[stackKey]);

                stacks[stackKey] = null;
            }

            // Destroy collections
            each([axis.ticks, axis.minorTicks, axis.alternateBands, axis.plotLinesAndBands], function (coll) {
                destroyObjectProperties(coll);
            });

            // Destroy local variables
            each(['stackTotalGroup', 'axisLine', 'axisGroup', 'gridGroup', 'axisTitle'], function (prop) {
                if (axis[prop]) {
                    axis[prop] = axis[prop].destroy();
                }
            });
        }


    }; // end Axis

    /**
     * The tooltip object
     * @param {Object} chart The chart instance
     * @param {Object} options Tooltip options
     */
    function Tooltip(chart, options) {
        var borderWidth = options.borderWidth,
            style = options.style,
            shared = options.shared,
            padding = pInt(style.padding);

        // Save the chart and options
        this.chart = chart;
        this.options = options;

        // remove padding CSS and apply padding on box instead
        style.padding = 0;

        // Keep track of the current series
        //this.currentSeries = UNDEFINED;

        // List of crosshairs
        this.crosshairs = [];

        // Current values of x and y when animating
        this.currentX = 0;
        this.currentY = 0;

        // The tooltipTick function, initialized to nothing
        //this.tooltipTick = UNDEFINED;

        // The tooltip is initially hidden
        this.tooltipIsHidden = true;

        // create the label
        this.label = chart.renderer.label('', 0, 0, null, null, null, options.useHTML, null, 'tooltip')
            .attr({
                padding: padding,
                fill: options.backgroundColor,
                'stroke-width': borderWidth,
                r: options.borderRadius,
                zIndex: 8
            })
            .css(style)
            .hide()
            .add();

        // When using canVG the shadow shows up as a gray circle
        // even if the tooltip is hidden.
        if (!useCanVG) {
            this.label.shadow(options.shadow);
        }

        // Public property for getting the shared state.
        this.shared = shared;
    }

    Tooltip.prototype = {
        /**
         * Destroy the tooltip and its elements.
         */
        destroy: function () {
            each(this.crosshairs, function (crosshair) {
                if (crosshair) {
                    crosshair.destroy();
                }
            });

            // Destroy and clear local variables
            if (this.label) {
                this.label = this.label.destroy();
            }
        },

        /**
         * Provide a soft movement for the tooltip
         *
         * @param {Number} finalX
         * @param {Number} finalY
         * @private
         */
        move: function (finalX, finalY) {
            var tooltip = this;

            // get intermediate values for animation
            tooltip.currentX = tooltip.tooltipIsHidden ? finalX : (2 * tooltip.currentX + finalX) / 3;
            tooltip.currentY = tooltip.tooltipIsHidden ? finalY : (tooltip.currentY + finalY) / 2;

            // move to the intermediate value
            tooltip.label.attr({ x: tooltip.currentX, y: tooltip.currentY });

            // run on next tick of the mouse tracker
            if (mathAbs(finalX - tooltip.currentX) > 1 || mathAbs(finalY - tooltip.currentY) > 1) {
                tooltip.tooltipTick = function () {
                    tooltip.move(finalX, finalY);
                };
            } else {
                tooltip.tooltipTick = null;
            }
        },

        /**
         * Hide the tooltip
         */
        hide: function () {
            if (!this.tooltipIsHidden) {
                var hoverPoints = this.chart.hoverPoints;

                this.label.hide();

                // hide previous hoverPoints and set new
                if (hoverPoints) {
                    each(hoverPoints, function (point) {
                        point.setState();
                    });
                }

                this.chart.hoverPoints = null;
                this.tooltipIsHidden = true;
            }
        },

        /**
         * Hide the crosshairs
         */
        hideCrosshairs: function () {
            each(this.crosshairs, function (crosshair) {
                if (crosshair) {
                    crosshair.hide();
                }
            });
        },

        /**
         * Extendable method to get the anchor position of the tooltip
         * from a point or set of points
         */
        getAnchor: function (points, mouseEvent) {
            var ret,
                chart = this.chart,
                inverted = chart.inverted,
                plotX = 0,
                plotY = 0;

            points = splat(points);

            // Pie uses a special tooltipPos
            ret = points[0].tooltipPos;

            // When shared, use the average position
            if (!ret) {
                each(points, function (point) {
                    plotX += point.plotX;
                    plotY += point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY;
                });

                plotX /= points.length;
                plotY /= points.length;

                ret = [
                    inverted ? chart.plotWidth - plotY : plotX,
                    this.shared && !inverted && points.length > 1 && mouseEvent ?
                        mouseEvent.chartY - chart.plotTop : // place shared tooltip next to the mouse (#424)
                        inverted ? chart.plotHeight - plotX : plotY
                ];
            }

            return map(ret, mathRound);
        },

        /**
         * Place the tooltip in a chart without spilling over
         * and not covering the point it self.
         */
        getPosition: function (boxWidth, boxHeight, point) {

            // Set up the variables
            var chart = this.chart,
                plotLeft = chart.plotLeft,
                plotTop = chart.plotTop,
                plotWidth = chart.plotWidth,
                plotHeight = chart.plotHeight,
                distance = pick(this.options.distance, 12),
                pointX = point.plotX,
                pointY = point.plotY,
                x = pointX + plotLeft + (chart.inverted ? distance : -boxWidth - distance),
                y = pointY - boxHeight + plotTop + 15, // 15 means the point is 15 pixels up from the bottom of the tooltip
                alignedRight;

            // It is too far to the left, adjust it
            if (x < 7) {
                x = plotLeft + pointX + distance;
            }

            // Test to see if the tooltip is too far to the right,
            // if it is, move it back to be inside and then up to not cover the point.
            if ((x + boxWidth) > (plotLeft + plotWidth)) {
                x -= (x + boxWidth) - (plotLeft + plotWidth);
                y = pointY - boxHeight + plotTop - distance;
                alignedRight = true;
            }

            // If it is now above the plot area, align it to the top of the plot area
            if (y < plotTop + 5) {
                y = plotTop + 5;

                // If the tooltip is still covering the point, move it below instead
                if (alignedRight && pointY >= y && pointY <= (y + boxHeight)) {
                    y = pointY + plotTop + distance; // below
                }
            }

            // Now if the tooltip is below the chart, move it up. It's better to cover the
            // point than to disappear outside the chart. #834.
            if (y + boxHeight > plotTop + plotHeight) {
                y = mathMax(plotTop, plotTop + plotHeight - boxHeight - distance); // below
            }


            return {x: x, y: y};
        },

        /**
         * Refresh the tooltip's text and position.
         * @param {Object} point
         */
        refresh: function (point, mouseEvent) {
            var tooltip = this,
                chart = tooltip.chart,
                label = tooltip.label,
                options = tooltip.options;

            /**
             * In case no user defined formatter is given, this will be used
             */
            function defaultFormatter() {
                var pThis = this,
                    items = pThis.points || splat(pThis),
                    series = items[0].series,
                    s;

                // build the header
                s = [series.tooltipHeaderFormatter(items[0].key)];

                // build the values
                each(items, function (item) {
                    series = item.series;
                    s.push((series.tooltipFormatter && series.tooltipFormatter(item)) ||
                        item.point.tooltipFormatter(series.tooltipOptions.pointFormat));
                });

                // footer
                s.push(options.footerFormat || '');

                return s.join('');
            }

            var x,
                y,
                show,
                anchor,
                textConfig = {},
                text,
                pointConfig = [],
                formatter = options.formatter || defaultFormatter,
                hoverPoints = chart.hoverPoints,
                placedTooltipPoint,
                borderColor,
                crosshairsOptions = options.crosshairs,
                shared = tooltip.shared,
                currentSeries;

            // get the reference point coordinates (pie charts use tooltipPos)
            anchor = tooltip.getAnchor(point, mouseEvent);
            x = anchor[0];
            y = anchor[1];

            // shared tooltip, array is sent over
            if (shared && !(point.series && point.series.noSharedTooltip)) {

                // hide previous hoverPoints and set new
                if (hoverPoints) {
                    each(hoverPoints, function (point) {
                        point.setState();
                    });
                }
                chart.hoverPoints = point;

                each(point, function (item) {
                    item.setState(HOVER_STATE);

                    pointConfig.push(item.getLabelConfig());
                });

                textConfig = {
                    x: point[0].category,
                    y: point[0].y
                };
                textConfig.points = pointConfig;
                point = point[0];

                // single point tooltip
            } else {
                textConfig = point.getLabelConfig();
            }
            text = formatter.call(textConfig);

            // register the current series
            currentSeries = point.series;


            // For line type series, hide tooltip if the point falls outside the plot
            show = shared || !currentSeries.isCartesian || currentSeries.tooltipOutsidePlot || chart.isInsidePlot(x, y);

            // update the inner HTML
            if (text === false || !show) {
                this.hide();
            } else {

                // show it
                if (tooltip.tooltipIsHidden) {
                    label.show();
                }

                // update text
                label.attr({
                    text: text
                });

                // set the stroke color of the box
                borderColor = options.borderColor || point.color || currentSeries.color || '#606060';
                label.attr({
                    stroke: borderColor
                });

                placedTooltipPoint = (options.positioner || tooltip.getPosition).call(
                    tooltip,
                    label.width,
                    label.height,
                    { plotX: x, plotY: y }
                );

                // do the move
                tooltip.move(mathRound(placedTooltipPoint.x), mathRound(placedTooltipPoint.y));


                tooltip.tooltipIsHidden = false;
            }

            // crosshairs
            if (crosshairsOptions) {
                crosshairsOptions = splat(crosshairsOptions); // [x, y]

                var path,
                    i = crosshairsOptions.length,
                    attribs,
                    axis;

                while (i--) {
                    axis = point.series[i ? 'yAxis' : 'xAxis'];
                    if (crosshairsOptions[i] && axis) {

                        path = axis.getPlotLinePath(
                            i ? pick(point.stackY, point.y) : point.x, // #814
                            1
                        );

                        if (tooltip.crosshairs[i]) {
                            tooltip.crosshairs[i].attr({ d: path, visibility: VISIBLE });
                        } else {
                            attribs = {
                                'stroke-width': crosshairsOptions[i].width || 1,
                                stroke: crosshairsOptions[i].color || '#C0C0C0',
                                zIndex: crosshairsOptions[i].zIndex || 2
                            };
                            if (crosshairsOptions[i].dashStyle) {
                                attribs.dashstyle = crosshairsOptions[i].dashStyle;
                            }
                            tooltip.crosshairs[i] = chart.renderer.path(path)
                                .attr(attribs)
                                .add();
                        }
                    }
                }
            }
            fireEvent(chart, 'tooltipRefresh', {
                text: text,
                x: x + chart.plotLeft,
                y: y + chart.plotTop,
                borderColor: borderColor
            });
        },

        /**
         * Runs the tooltip animation one tick.
         */
        tick: function () {
            if (this.tooltipTick) {
                this.tooltipTick();
            }
        }
    };
    /**
     * The mouse tracker object
     * @param {Object} chart The Chart instance
     * @param {Object} options The root options object
     */
    function MouseTracker(chart, options) {
        var zoomType = useCanVG ? '' : options.chart.zoomType;

        // Zoom status
        this.zoomX = /x/.test(zoomType);
        this.zoomY = /y/.test(zoomType);

        // Store reference to options
        this.options = options;

        // Reference to the chart
        this.chart = chart;

        // The interval id
        //this.tooltipInterval = UNDEFINED;

        // The cached x hover position
        //this.hoverX = UNDEFINED;

        // The chart position
        //this.chartPosition = UNDEFINED;

        // The selection marker element
        //this.selectionMarker = UNDEFINED;

        // False or a value > 0 if a dragging operation
        //this.mouseDownX = UNDEFINED;
        //this.mouseDownY = UNDEFINED;
        this.init(chart, options.tooltip);
    }

    MouseTracker.prototype = {
        /**
         * Add crossbrowser support for chartX and chartY
         * @param {Object} e The event object in standard browsers
         */
        normalizeMouseEvent: function (e) {
            var chartPosition,
                chartX,
                chartY,
                ePos;

            // common IE normalizing
            e = e || win.event;
            if (!e.target) {
                e.target = e.srcElement;
            }

            // jQuery only copies over some properties. IE needs e.x and iOS needs touches.
            if (e.originalEvent) {
                e = e.originalEvent;
            }

            // The same for MooTools. It renames e.pageX to e.page.x. #445.
            if (e.event) {
                e = e.event;
            }

            // iOS
            ePos = e.touches ? e.touches.item(0) : e;

            // get mouse position
            this.chartPosition = chartPosition = offset(this.chart.container);

            // chartX and chartY
            if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
                chartX = e.x;
                chartY = e.y;
            } else {
                chartX = ePos.pageX - chartPosition.left;
                chartY = ePos.pageY - chartPosition.top;
            }

            return extend(e, {
                chartX: mathRound(chartX),
                chartY: mathRound(chartY)

            });
        },

        /**
         * Get the click position in terms of axis values.
         *
         * @param {Object} e A mouse event
         */
        getMouseCoordinates: function (e) {
            var coordinates = {
                    xAxis: [],
                    yAxis: []
                },
                chart = this.chart;

            each(chart.axes, function (axis) {
                var isXAxis = axis.isXAxis,
                    isHorizontal = chart.inverted ? !isXAxis : isXAxis;

                coordinates[isXAxis ? 'xAxis' : 'yAxis'].push({
                    axis: axis,
                    value: axis.translate(
                        isHorizontal ?
                            e.chartX - chart.plotLeft :
                            chart.plotHeight - e.chartY + chart.plotTop,
                        true
                    )
                });
            });
            return coordinates;
        },

        /**
         * With line type charts with a single tracker, get the point closest to the mouse
         */
        onmousemove: function (e) {
            var mouseTracker = this,
                chart = mouseTracker.chart,
                series = chart.series,
                point,
                points,
                hoverPoint = chart.hoverPoint,
                hoverSeries = chart.hoverSeries,
                i,
                j,
                distance = chart.chartWidth,
            // the index in the tooltipPoints array, corresponding to pixel position in plot area
                index = chart.inverted ? chart.plotHeight + chart.plotTop - e.chartY : e.chartX - chart.plotLeft;

            // shared tooltip
            if (chart.tooltip && mouseTracker.options.tooltip.shared && !(hoverSeries && hoverSeries.noSharedTooltip)) {
                points = [];

                // loop over all series and find the ones with points closest to the mouse
                i = series.length;
                for (j = 0; j < i; j++) {
                    if (series[j].visible &&
                        series[j].options.enableMouseTracking !== false && !series[j].noSharedTooltip && series[j].tooltipPoints.length) {
                        point = series[j].tooltipPoints[index];
                        point._dist = mathAbs(index - point.plotX);
                        distance = mathMin(distance, point._dist);
                        points.push(point);
                    }
                }
                // remove furthest points
                i = points.length;
                while (i--) {
                    if (points[i]._dist > distance) {
                        points.splice(i, 1);
                    }
                }
                // refresh the tooltip if necessary
                if (points.length && (points[0].plotX !== mouseTracker.hoverX)) {
                    chart.tooltip.refresh(points, e);
                    mouseTracker.hoverX = points[0].plotX;
                }
            }

            // separate tooltip and general mouse events
            if (hoverSeries && hoverSeries.tracker) { // only use for line-type series with common tracker

                // get the point
                point = hoverSeries.tooltipPoints[index];

                // a new point is hovered, refresh the tooltip
                if (point && point !== hoverPoint) {

                    // trigger the events
                    point.onMouseOver();

                }
            }
        },


        /**
         * Reset the tracking by hiding the tooltip, the hover series state and the hover point
         */
        resetTracker: function (allowMove) {
            var mouseTracker = this,
                chart = mouseTracker.chart,
                hoverSeries = chart.hoverSeries,
                hoverPoint = chart.hoverPoint,
                tooltipPoints = chart.hoverPoints || hoverPoint,
                tooltip = chart.tooltip;

            // Narrow in allowMove
            allowMove = allowMove && tooltip && tooltipPoints;

            // Check if the points have moved outside the plot area, #1003
            if (allowMove && splat(tooltipPoints)[0].plotX === UNDEFINED) {
                allowMove = false;
            }

            // Just move the tooltip, #349
            if (allowMove) {
                tooltip.refresh(tooltipPoints);

                // Full reset
            } else {

                if (hoverPoint) {
                    hoverPoint.onMouseOut();
                }

                if (hoverSeries) {
                    hoverSeries.onMouseOut();
                }

                if (tooltip) {
                    tooltip.hide();
                    tooltip.hideCrosshairs();
                }

                mouseTracker.hoverX = null;

            }
        },

        /**
         * Set the JS events on the container element
         */
        setDOMEvents: function () {
            var lastWasOutsidePlot = true,
                mouseTracker = this,
                chart = mouseTracker.chart,
                container = chart.container,
                hasDragged,
                zoomHor = (mouseTracker.zoomX && !chart.inverted) || (mouseTracker.zoomY && chart.inverted),
                zoomVert = (mouseTracker.zoomY && !chart.inverted) || (mouseTracker.zoomX && chart.inverted);

            /**
             * Mouse up or outside the plot area
             */
            function drop() {
                if (mouseTracker.selectionMarker) {
                    var selectionData = {
                            xAxis: [],
                            yAxis: []
                        },
                        selectionBox = mouseTracker.selectionMarker.getBBox(),
                        selectionLeft = selectionBox.x - chart.plotLeft,
                        selectionTop = selectionBox.y - chart.plotTop,
                        runZoom;

                    // a selection has been made
                    if (hasDragged) {

                        // record each axis' min and max
                        each(chart.axes, function (axis) {
                            if (axis.options.zoomEnabled !== false) {
                                var isXAxis = axis.isXAxis,
                                    isHorizontal = chart.inverted ? !isXAxis : isXAxis,
                                    selectionMin = axis.translate(
                                        isHorizontal ?
                                            selectionLeft :
                                            chart.plotHeight - selectionTop - selectionBox.height,
                                        true,
                                        0,
                                        0,
                                        1
                                    ),
                                    selectionMax = axis.translate(
                                        isHorizontal ?
                                            selectionLeft + selectionBox.width :
                                            chart.plotHeight - selectionTop,
                                        true,
                                        0,
                                        0,
                                        1
                                    );

                                if (!isNaN(selectionMin) && !isNaN(selectionMax)) { // #859
                                    selectionData[isXAxis ? 'xAxis' : 'yAxis'].push({
                                        axis: axis,
                                        min: mathMin(selectionMin, selectionMax), // for reversed axes,
                                        max: mathMax(selectionMin, selectionMax)
                                    });
                                    runZoom = true;
                                }
                            }
                        });
                        if (runZoom) {
                            fireEvent(chart, 'selection', selectionData, function (args) {
                                chart.zoom(args);
                            });
                        }

                    }
                    mouseTracker.selectionMarker = mouseTracker.selectionMarker.destroy();
                }

                if (chart) { // it may be destroyed on mouse up - #877
                    css(container, { cursor: 'auto' });
                    chart.cancelClick = hasDragged; // #370
                    chart.mouseIsDown = hasDragged = false;
                }

                removeEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);
            }

            /**
             * Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
             */
            mouseTracker.hideTooltipOnMouseMove = function (e) {

                // Get e.pageX and e.pageY back in MooTools
                washMouseEvent(e);

                // If we're outside, hide the tooltip
                if (mouseTracker.chartPosition && chart.hoverSeries && chart.hoverSeries.isCartesian && !chart.isInsidePlot(e.pageX - mouseTracker.chartPosition.left - chart.plotLeft,
                    e.pageY - mouseTracker.chartPosition.top - chart.plotTop)) {
                    mouseTracker.resetTracker();
                }
            };

            /**
             * When mouse leaves the container, hide the tooltip.
             */
            mouseTracker.hideTooltipOnMouseLeave = function () {
                mouseTracker.resetTracker();
                mouseTracker.chartPosition = null; // also reset the chart position, used in #149 fix
            };


            /*
             * Record the starting position of a dragoperation
             */
            container.onmousedown = function (e) {
                e = mouseTracker.normalizeMouseEvent(e);

                // issue #295, dragging not always working in Firefox
                if (!hasTouch && e.preventDefault) {
                    e.preventDefault();
                }

                // record the start position
                chart.mouseIsDown = true;
                chart.cancelClick = false;
                chart.mouseDownX = mouseTracker.mouseDownX = e.chartX;
                mouseTracker.mouseDownY = e.chartY;

                addEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);
            };

            // The mousemove, touchmove and touchstart event handler
            var mouseMove = function (e) {
                // let the system handle multitouch operations like two finger scroll
                // and pinching
                if (e && e.touches && e.touches.length > 1) {
                    return;
                }

                // normalize
                e = mouseTracker.normalizeMouseEvent(e);
                if (!hasTouch) { // not for touch devices
                    e.returnValue = false;
                }

                var chartX = e.chartX,
                    chartY = e.chartY,
                    isOutsidePlot = !chart.isInsidePlot(chartX - chart.plotLeft, chartY - chart.plotTop);

                // on touch devices, only trigger click if a handler is defined
                if (hasTouch && e.type === 'touchstart') {
                    if (attr(e.target, 'isTracker')) {
                        if (!chart.runTrackerClick) {
                            e.preventDefault();
                        }
                    } else if (!chart.runChartClick && !isOutsidePlot) {
                        e.preventDefault();
                    }
                }

                // cancel on mouse outside
                if (isOutsidePlot) {

                    /*if (!lastWasOutsidePlot) {
                     // reset the tracker
                     resetTracker();
                     }*/

                    // drop the selection if any and reset mouseIsDown and hasDragged
                    //drop();
                    if (chartX < chart.plotLeft) {
                        chartX = chart.plotLeft;
                    } else if (chartX > chart.plotLeft + chart.plotWidth) {
                        chartX = chart.plotLeft + chart.plotWidth;
                    }

                    if (chartY < chart.plotTop) {
                        chartY = chart.plotTop;
                    } else if (chartY > chart.plotTop + chart.plotHeight) {
                        chartY = chart.plotTop + chart.plotHeight;
                    }
                }

                if (chart.mouseIsDown && e.type !== 'touchstart') { // make selection

                    // determine if the mouse has moved more than 10px
                    hasDragged = Math.sqrt(
                        Math.pow(mouseTracker.mouseDownX - chartX, 2) +
                            Math.pow(mouseTracker.mouseDownY - chartY, 2)
                    );
                    if (hasDragged > 10) {
                        var clickedInside = chart.isInsidePlot(mouseTracker.mouseDownX - chart.plotLeft, mouseTracker.mouseDownY - chart.plotTop);

                        // make a selection
                        if (chart.hasCartesianSeries && (mouseTracker.zoomX || mouseTracker.zoomY) && clickedInside) {
                            if (!mouseTracker.selectionMarker) {
                                mouseTracker.selectionMarker = chart.renderer.rect(
                                        chart.plotLeft,
                                        chart.plotTop,
                                        zoomHor ? 1 : chart.plotWidth,
                                        zoomVert ? 1 : chart.plotHeight,
                                        0
                                    )
                                    .attr({
                                        fill: mouseTracker.options.chart.selectionMarkerFill || 'rgba(69,114,167,0.25)',
                                        zIndex: 7
                                    })
                                    .add();
                            }
                        }

                        // adjust the width of the selection marker
                        if (mouseTracker.selectionMarker && zoomHor) {
                            var xSize = chartX - mouseTracker.mouseDownX;
                            mouseTracker.selectionMarker.attr({
                                width: mathAbs(xSize),
                                x: (xSize > 0 ? 0 : xSize) + mouseTracker.mouseDownX
                            });
                        }
                        // adjust the height of the selection marker
                        if (mouseTracker.selectionMarker && zoomVert) {
                            var ySize = chartY - mouseTracker.mouseDownY;
                            mouseTracker.selectionMarker.attr({
                                height: mathAbs(ySize),
                                y: (ySize > 0 ? 0 : ySize) + mouseTracker.mouseDownY
                            });
                        }

                        // panning
                        if (clickedInside && !mouseTracker.selectionMarker && mouseTracker.options.chart.panning) {
                            chart.pan(chartX);
                        }
                    }

                } else if (!isOutsidePlot) {
                    // show the tooltip
                    mouseTracker.onmousemove(e);
                }

                lastWasOutsidePlot = isOutsidePlot;

                // when outside plot, allow touch-drag by returning true
                return isOutsidePlot || !chart.hasCartesianSeries;
            };

            /*
             * When the mouse enters the container, run mouseMove
             */
            container.onmousemove = mouseMove;

            /*
             * When the mouse leaves the container, hide the tracking (tooltip).
             */
            addEvent(container, 'mouseleave', mouseTracker.hideTooltipOnMouseLeave);

            // issue #149 workaround
            // The mouseleave event above does not always fire. Whenever the mouse is moving
            // outside the plotarea, hide the tooltip
            addEvent(doc, 'mousemove', mouseTracker.hideTooltipOnMouseMove);

            container.ontouchstart = function (e) {
                // For touch devices, use touchmove to zoom
                if (mouseTracker.zoomX || mouseTracker.zoomY) {
                    container.onmousedown(e);
                }
                // Show tooltip and prevent the lower mouse pseudo event
                mouseMove(e);
            };

            /*
             * Allow dragging the finger over the chart to read the values on touch
             * devices
             */
            container.ontouchmove = mouseMove;

            /*
             * Allow dragging the finger over the chart to read the values on touch
             * devices
             */
            container.ontouchend = function () {
                if (hasDragged) {
                    mouseTracker.resetTracker();
                }
            };


            // MooTools 1.2.3 doesn't fire this in IE when using addEvent
            container.onclick = function (e) {
                var hoverPoint = chart.hoverPoint,
                    plotX,
                    plotY;
                e = mouseTracker.normalizeMouseEvent(e);

                e.cancelBubble = true; // IE specific


                if (!chart.cancelClick) {
                    // Detect clicks on trackers or tracker groups, #783
                    if (hoverPoint && (attr(e.target, 'isTracker') || attr(e.target.parentNode, 'isTracker'))) {
                        plotX = hoverPoint.plotX;
                        plotY = hoverPoint.plotY;

                        // add page position info
                        extend(hoverPoint, {
                            pageX: mouseTracker.chartPosition.left + chart.plotLeft +
                                (chart.inverted ? chart.plotWidth - plotY : plotX),
                            pageY: mouseTracker.chartPosition.top + chart.plotTop +
                                (chart.inverted ? chart.plotHeight - plotX : plotY)
                        });

                        // the series click event
                        fireEvent(hoverPoint.series, 'click', extend(e, {
                            point: hoverPoint
                        }));

                        // the point click event
                        hoverPoint.firePointEvent('click', e);

                    } else {
                        extend(e, mouseTracker.getMouseCoordinates(e));

                        // fire a click event in the chart
                        if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
                            fireEvent(chart, 'click', e);
                        }
                    }


                }
            };

        },

        /**
         * Destroys the MouseTracker object and disconnects DOM events.
         */
        destroy: function () {
            var mouseTracker = this,
                chart = mouseTracker.chart,
                container = chart.container;

            // Destroy the tracker group element
            if (chart.trackerGroup) {
                chart.trackerGroup = chart.trackerGroup.destroy();
            }

            removeEvent(container, 'mouseleave', mouseTracker.hideTooltipOnMouseLeave);
            removeEvent(doc, 'mousemove', mouseTracker.hideTooltipOnMouseMove);
            container.onclick = container.onmousedown = container.onmousemove = container.ontouchstart = container.ontouchend = container.ontouchmove = null;

            // memory and CPU leak
            clearInterval(this.tooltipInterval);
        },

        // Run MouseTracker
        init: function (chart, options) {
            if (!chart.trackerGroup) {
                chart.trackerGroup = chart.renderer.g('tracker')
                    .attr({ zIndex: 9 })
                    .add();
            }

            if (options.enabled) {
                chart.tooltip = new Tooltip(chart, options);

                // set the fixed interval ticking for the smooth tooltip
                this.tooltipInterval = setInterval(function () {
                    chart.tooltip.tick();
                }, 32);
            }

            this.setDOMEvents();
        }
    };
    /**
     * The overview of the chart's series
     */
    function Legend(chart) {

        this.init(chart);
    }

    Legend.prototype = {

        /**
         * Initialize the legend
         */
        init: function (chart) {
            var legend = this,
                options = legend.options = chart.options.legend;

            if (!options.enabled) {
                return;
            }

            var //style = options.style || {}, // deprecated
                itemStyle = options.itemStyle,
                padding = pick(options.padding, 8),
                itemMarginTop = options.itemMarginTop || 0;

            legend.baseline = pInt(itemStyle.fontSize) + 3 + itemMarginTop; // used in Series prototype
            legend.itemStyle = itemStyle;
            legend.itemHiddenStyle = merge(itemStyle, options.itemHiddenStyle);
            legend.itemMarginTop = itemMarginTop;
            legend.padding = padding;
            legend.initialItemX = padding;
            legend.initialItemY = padding - 5; // 5 is the number of pixels above the text
            legend.maxItemWidth = 0;
            legend.chart = chart;
            //legend.allItems = UNDEFINED;
            //legend.legendWidth = UNDEFINED;
            //legend.legendHeight = UNDEFINED;
            //legend.offsetWidth = UNDEFINED;
            legend.itemHeight = 0;
            legend.lastLineHeight = 0;
            //legend.itemX = UNDEFINED;
            //legend.itemY = UNDEFINED;
            //legend.lastItemY = UNDEFINED;

            // Elements
            //legend.group = UNDEFINED;
            //legend.box = UNDEFINED;

            // run legend
            legend.render();

            // move checkboxes
            addEvent(legend.chart, 'endResize', function () {
                legend.positionCheckboxes();
            });

            /*		// expose
             return {
             colorizeItem: colorizeItem,
             destroyItem: destroyItem,
             render: render,
             destroy: destroy,
             getLegendWidth: getLegendWidth,
             getLegendHeight: getLegendHeight
             };*/
        },

        /**
         * Set the colors for the legend item
         * @param {Object} item A Series or Point instance
         * @param {Object} visible Dimmed or colored
         */
        colorizeItem: function (item, visible) {
            var legend = this,
                options = legend.options,
                legendItem = item.legendItem,
                legendLine = item.legendLine,
                legendSymbol = item.legendSymbol,
                hiddenColor = legend.itemHiddenStyle.color,
                textColor = visible ? options.itemStyle.color : hiddenColor,
                symbolColor = visible ? item.color : hiddenColor;

            if (legendItem) {
                legendItem.css({ fill: textColor });
            }
            if (legendLine) {
                legendLine.attr({ stroke: symbolColor });
            }
            if (legendSymbol) {
                legendSymbol.attr({
                    stroke: symbolColor,
                    fill: symbolColor
                });
            }
        },

        /**
         * Position the legend item
         * @param {Object} item A Series or Point instance
         */
        positionItem: function (item) {
            var legend = this,
                options = legend.options,
                symbolPadding = options.symbolPadding,
                ltr = !options.rtl,
                legendItemPos = item._legendItemPos,
                itemX = legendItemPos[0],
                itemY = legendItemPos[1],
                checkbox = item.checkbox;

            if (item.legendGroup) {
                item.legendGroup.translate(
                    ltr ? itemX : legend.legendWidth - itemX - 2 * symbolPadding - 4,
                    itemY
                );
            }

            if (checkbox) {
                checkbox.x = itemX;
                checkbox.y = itemY;
            }
        },

        /**
         * Destroy a single legend item
         * @param {Object} item The series or point
         */
        destroyItem: function (item) {
            var checkbox = item.checkbox;

            // destroy SVG elements
            each(['legendItem', 'legendLine', 'legendSymbol', 'legendGroup'], function (key) {
                if (item[key]) {
                    item[key].destroy();
                }
            });

            if (checkbox) {
                discardElement(item.checkbox);
            }
        },

        /**
         * Destroys the legend.
         */
        destroy: function () {
            var legend = this,
                legendGroup = legend.group,
                box = legend.box;

            if (box) {
                legend.box = box.destroy();
            }

            if (legendGroup) {
                legend.group = legendGroup.destroy();
            }
        },

        /**
         * Position the checkboxes after the width is determined
         */
        positionCheckboxes: function () {
            var legend = this;

            each(legend.allItems, function (item) {
                var checkbox = item.checkbox,
                    alignAttr = legend.group.alignAttr;
                if (checkbox) {
                    css(checkbox, {
                        left: (alignAttr.translateX + item.legendItemWidth + checkbox.x - 20) + PX,
                        top: (alignAttr.translateY + checkbox.y + 3) + PX
                    });
                }
            });
        },

        /**
         * Render a single specific legend item
         * @param {Object} item A series or point
         */
        renderItem: function (item) {
            var legend = this,
                chart = legend.chart,
                renderer = chart.renderer,
                options = legend.options,
                horizontal = options.layout === 'horizontal',
                symbolWidth = options.symbolWidth,
                symbolPadding = options.symbolPadding,
                itemStyle = legend.itemStyle,
                itemHiddenStyle = legend.itemHiddenStyle,
                padding = legend.padding,
                ltr = !options.rtl,
                itemHeight,
                widthOption = options.width,
                itemMarginBottom = options.itemMarginBottom || 0,
                itemMarginTop = legend.itemMarginTop,
                initialItemX = legend.initialItemX,
                bBox,
                itemWidth,
                li = item.legendItem,
                series = item.series || item,
                itemOptions = series.options,
                showCheckbox = itemOptions.showCheckbox;

            if (!li) { // generate it once, later move it

                // Generate the group box
                // A group to hold the symbol and text. Text is to be appended in Legend class.
                item.legendGroup = renderer.g('legend-item')
                    .attr({ zIndex: 1 })
                    .add(legend.scrollGroup);

                // Draw the legend symbol inside the group box
                series.drawLegendSymbol(legend, item);

                // Generate the list item text and add it to the group
                item.legendItem = li = renderer.text(
                        options.labelFormatter.call(item),
                        ltr ? symbolWidth + symbolPadding : -symbolPadding,
                        legend.baseline,
                        options.useHTML
                    )
                    .css(merge(item.visible ? itemStyle : itemHiddenStyle)) // merge to prevent modifying original (#1021)
                    .attr({
                        align: ltr ? 'left' : 'right',
                        zIndex: 2
                    })
                    .add(item.legendGroup);

                // Set the events on the item group
                item.legendGroup.on('mouseover', function () {
                    item.setState(HOVER_STATE);
                    li.css(legend.options.itemHoverStyle);
                })
                    .on('mouseout', function () {
                        li.css(item.visible ? itemStyle : itemHiddenStyle);
                        item.setState();
                    })
                    .on('click', function (event) {
                        var strLegendItemClick = 'legendItemClick',
                            fnLegendItemClick = function () {
                                item.setVisible();
                            };

                        // Pass over the click/touch event. #4.
                        event = {
                            browserEvent: event
                        };

                        // click the name or symbol
                        if (item.firePointEvent) { // point
                            item.firePointEvent(strLegendItemClick, event, fnLegendItemClick);
                        } else {
                            fireEvent(item, strLegendItemClick, event, fnLegendItemClick);
                        }
                    });

                // Colorize the items
                legend.colorizeItem(item, item.visible);

                // add the HTML checkbox on top
                if (itemOptions && showCheckbox) {
                    item.checkbox = createElement('input', {
                        type: 'checkbox',
                        checked: item.selected,
                        defaultChecked: item.selected // required by IE7
                    }, options.itemCheckboxStyle, chart.container);

                    addEvent(item.checkbox, 'click', function (event) {
                        var target = event.target;
                        fireEvent(item, 'checkboxClick', {
                                checked: target.checked
                            },
                            function () {
                                item.select();
                            }
                        );
                    });
                }
            }

            // calculate the positions for the next line
            bBox = li.getBBox();

            itemWidth = item.legendItemWidth =
                options.itemWidth || symbolWidth + symbolPadding + bBox.width + padding +
                    (showCheckbox ? 20 : 0);
            legend.itemHeight = itemHeight = bBox.height;

            // if the item exceeds the width, start a new line
            if (horizontal && legend.itemX - initialItemX + itemWidth >
                (widthOption || (chart.chartWidth - 2 * padding - initialItemX))) {
                legend.itemX = initialItemX;
                legend.itemY += itemMarginTop + legend.lastLineHeight + itemMarginBottom;
                legend.lastLineHeight = 0; // reset for next line
            }

            // If the item exceeds the height, start a new column
            /*if (!horizontal && legend.itemY + options.y + itemHeight > chart.chartHeight - spacingTop - spacingBottom) {
             legend.itemY = legend.initialItemY;
             legend.itemX += legend.maxItemWidth;
             legend.maxItemWidth = 0;
             }*/

            // Set the edge positions
            legend.maxItemWidth = mathMax(legend.maxItemWidth, itemWidth);
            legend.lastItemY = itemMarginTop + legend.itemY + itemMarginBottom;
            legend.lastLineHeight = mathMax(itemHeight, legend.lastLineHeight); // #915

            // cache the position of the newly generated or reordered items
            item._legendItemPos = [legend.itemX, legend.itemY];

            // advance
            if (horizontal) {
                legend.itemX += itemWidth;

            } else {
                legend.itemY += itemMarginTop + itemHeight + itemMarginBottom;
                legend.lastLineHeight = itemHeight;
            }

            // the width of the widest item
            legend.offsetWidth = widthOption || mathMax(
                horizontal ? legend.itemX - initialItemX : itemWidth,
                legend.offsetWidth
            );
        },

        /**
         * Render the legend. This method can be called both before and after
         * chart.render. If called after, it will only rearrange items instead
         * of creating new ones.
         */
        render: function () {
            var legend = this,
                chart = legend.chart,
                renderer = chart.renderer,
                legendGroup = legend.group,
                allItems,
                display,
                legendWidth,
                legendHeight,
                box = legend.box,
                options = legend.options,
                padding = legend.padding,
                legendBorderWidth = options.borderWidth,
                legendBackgroundColor = options.backgroundColor;

            legend.itemX = legend.initialItemX;
            legend.itemY = legend.initialItemY;
            legend.offsetWidth = 0;
            legend.lastItemY = 0;

            if (!legendGroup) {
                legend.group = legendGroup = renderer.g('legend')
                    // #414, #759. Trackers will be drawn above the legend, but we have 
                    // to sacrifice that because tooltips need to be above the legend
                    // and trackers above tooltips
                    .attr({ zIndex: 7 })
                    .add();
                legend.contentGroup = renderer.g()
                    .attr({ zIndex: 1 }) // above background
                    .add(legendGroup);
                legend.scrollGroup = renderer.g()
                    .add(legend.contentGroup);
                legend.clipRect = renderer.clipRect(0, 0, 9999, chart.chartHeight);
                legend.contentGroup.clip(legend.clipRect);
            }

            // add each series or point
            allItems = [];
            each(chart.series, function (serie) {
                var seriesOptions = serie.options;

                if (!seriesOptions.showInLegend) {
                    return;
                }

                // use points or series for the legend item depending on legendType
                allItems = allItems.concat(
                    serie.legendItems ||
                        (seriesOptions.legendType === 'point' ?
                            serie.data :
                            serie)
                );
            });

            // sort by legendIndex
            stableSort(allItems, function (a, b) {
                return (a.options.legendIndex || 0) - (b.options.legendIndex || 0);
            });

            // reversed legend
            if (options.reversed) {
                allItems.reverse();
            }

            legend.allItems = allItems;
            legend.display = display = !!allItems.length;

            // render the items
            each(allItems, function (item) {
                legend.renderItem(item);
            });

            // Draw the border
            legendWidth = options.width || legend.offsetWidth;
            legendHeight = legend.lastItemY + legend.lastLineHeight;


            legendHeight = legend.handleOverflow(legendHeight);

            if (legendBorderWidth || legendBackgroundColor) {
                legendWidth += padding;
                legendHeight += padding;

                if (!box) {
                    legend.box = box = renderer.rect(
                            0,
                            0,
                            legendWidth,
                            legendHeight,
                            options.borderRadius,
                            legendBorderWidth || 0
                        ).attr({
                            stroke: options.borderColor,
                            'stroke-width': legendBorderWidth || 0,
                            fill: legendBackgroundColor || NONE
                        })
                        .add(legendGroup)
                        .shadow(options.shadow);
                    box.isNew = true;

                } else if (legendWidth > 0 && legendHeight > 0) {
                    box[box.isNew ? 'attr' : 'animate'](
                        box.crisp(null, null, null, legendWidth, legendHeight)
                    );
                    box.isNew = false;
                }

                // hide the border if no items
                box[display ? 'show' : 'hide']();
            }

            legend.legendWidth = legendWidth;
            legend.legendHeight = legendHeight;

            // Now that the legend width and height are established, put the items in the 
            // final position
            each(allItems, function (item) {
                legend.positionItem(item);
            });

            // 1.x compatibility: positioning based on style
            /*var props = ['left', 'right', 'top', 'bottom'],
             prop,
             i = 4;
             while (i--) {
             prop = props[i];
             if (options.style[prop] && options.style[prop] !== 'auto') {
             options[i < 2 ? 'align' : 'verticalAlign'] = prop;
             options[i < 2 ? 'x' : 'y'] = pInt(options.style[prop]) * (i % 2 ? -1 : 1);
             }
             }*/

            if (display) {
                legendGroup.align(extend({
                    width: legendWidth,
                    height: legendHeight
                }, options), true, chart.spacingBox);
            }

            if (!chart.isResizing) {
                this.positionCheckboxes();
            }
        },

        /**
         * Set up the overflow handling by adding navigation with up and down arrows below the
         * legend.
         */
        handleOverflow: function (legendHeight) {
            var legend = this,
                chart = this.chart,
                renderer = chart.renderer,
                pageCount,
                options = this.options,
                optionsY = options.y,
                alignTop = options.verticalAlign === 'top',
                spaceHeight = chart.spacingBox.height + (alignTop ? -optionsY : optionsY) - this.padding,
                maxHeight = options.maxHeight, // docs
                clipHeight,
                clipRect = this.clipRect,
                navOptions = options.navigation,
                animation = pick(navOptions.animation, true),
                arrowSize = navOptions.arrowSize || 12,
                nav = this.nav;

            // Adjust the height
            if (options.layout === 'horizontal') {
                spaceHeight /= 2;
            }
            if (maxHeight) {
                spaceHeight = mathMin(spaceHeight, maxHeight);
            }

            // Reset the legend height and adjust the clipping rectangle
            if (legendHeight > spaceHeight) {

                this.clipHeight = clipHeight = spaceHeight - 20;
                this.pageCount = pageCount = mathCeil(legendHeight / clipHeight);
                this.currentPage = pick(this.currentPage, 1);
                this.fullHeight = legendHeight;

                clipRect.attr({
                    height: clipHeight
                });

                // Add navigation elements
                if (!nav) {
                    this.nav = nav = renderer.g().attr({ zIndex: 1 }).add(this.group);
                    this.up = renderer.symbol('triangle', 0, 0, arrowSize, arrowSize)
                        .on('click', function () {
                            legend.scroll(-1, animation);
                        })
                        .add(nav);
                    this.pager = renderer.text('', 15, 10)
                        .css(navOptions.style)
                        .add(nav);
                    this.down = renderer.symbol('triangle-down', 0, 0, arrowSize, arrowSize)
                        .on('click', function () {
                            legend.scroll(1, animation);
                        })
                        .add(nav);
                }

                // Set initial position
                legend.scroll(0);

                legendHeight = spaceHeight;

            } else if (nav) {
                clipRect.attr({
                    height: chart.chartHeight
                });
                nav.hide();
                this.scrollGroup.attr({
                    translateY: 1
                });
            }

            return legendHeight;
        },

        /**
         * Scroll the legend by a number of pages
         * @param {Object} scrollBy
         * @param {Object} animation
         */
        scroll: function (scrollBy, animation) {
            var pageCount = this.pageCount,
                currentPage = this.currentPage + scrollBy,
                clipHeight = this.clipHeight,
                navOptions = this.options.navigation,
                activeColor = navOptions.activeColor,
                inactiveColor = navOptions.inactiveColor,
                pager = this.pager,
                padding = this.padding;

            // When resizing while looking at the last page
            if (currentPage > pageCount) {
                currentPage = pageCount;
            }

            if (currentPage > 0) {

                if (animation !== UNDEFINED) {
                    setAnimation(animation, this.chart);
                }

                this.nav.attr({
                    translateX: padding,
                    translateY: clipHeight + 7,
                    visibility: VISIBLE
                });
                this.up.attr({
                    fill: currentPage === 1 ? inactiveColor : activeColor
                })
                    .css({
                        cursor: currentPage === 1 ? 'default' : 'pointer'
                    });
                pager.attr({
                    text: currentPage + '/' + this.pageCount
                });
                this.down.attr({
                    x: 18 + this.pager.getBBox().width, // adjust to text width
                    fill: currentPage === pageCount ? inactiveColor : activeColor
                })
                    .css({
                        cursor: currentPage === pageCount ? 'default' : 'pointer'
                    });

                this.scrollGroup.animate({
                    translateY: -mathMin(clipHeight * (currentPage - 1), this.fullHeight - clipHeight + padding) + 1
                });
                pager.attr({
                    text: currentPage + '/' + pageCount
                });


                this.currentPage = currentPage;
            }

        }

    };


    /**
     * The chart class
     * @param {Object} options
     * @param {Function} callback Function to run when the chart has loaded
     */
    function Chart(userOptions, callback) {
        // Handle regular options
        var options,
            seriesOptions = userOptions.series; // skip merging data points to increase performance
        userOptions.series = null;
        options = merge(defaultOptions, userOptions); // do the merge
        options.series = userOptions.series = seriesOptions; // set back the series data

        var optionsChart = options.chart,
            optionsMargin = optionsChart.margin,
            margin = isObject(optionsMargin) ?
                optionsMargin :
                [optionsMargin, optionsMargin, optionsMargin, optionsMargin];

        this.optionsMarginTop = pick(optionsChart.marginTop, margin[0]);
        this.optionsMarginRight = pick(optionsChart.marginRight, margin[1]);
        this.optionsMarginBottom = pick(optionsChart.marginBottom, margin[2]);
        this.optionsMarginLeft = pick(optionsChart.marginLeft, margin[3]);

        var chartEvents = optionsChart.events;

        this.runChartClick = chartEvents && !!chartEvents.click;
        this.callback = callback;
        this.isResizing = 0;
        this.options = options;
        //chartTitleOptions = UNDEFINED;
        //chartSubtitleOptions = UNDEFINED;

        this.axes = [];
        this.series = [];
        this.hasCartesianSeries = optionsChart.showAxes;
        //this.axisOffset = UNDEFINED;
        //this.maxTicks = UNDEFINED; // handle the greatest amount of ticks on grouped axes
        //this.inverted = UNDEFINED;
        //this.loadingShown = UNDEFINED;
        //this.container = UNDEFINED;
        //this.chartWidth = UNDEFINED;
        //this.chartHeight = UNDEFINED;
        //this.marginRight = UNDEFINED;
        //this.marginBottom = UNDEFINED;
        //this.containerWidth = UNDEFINED;
        //this.containerHeight = UNDEFINED;
        //this.oldChartWidth = UNDEFINED;
        //this.oldChartHeight = UNDEFINED;

        //this.renderTo = UNDEFINED;
        //this.renderToClone = UNDEFINED;
        //this.tracker = UNDEFINED;

        //this.spacingBox = UNDEFINED

        //this.legend = UNDEFINED;

        // Elements
        //this.chartBackground = UNDEFINED;
        //this.plotBackground = UNDEFINED;
        //this.plotBGImage = UNDEFINED;
        //this.plotBorder = UNDEFINED;
        //this.loadingDiv = UNDEFINED;
        //this.loadingSpan = UNDEFINED;

        this.init(chartEvents);
    }

    Chart.prototype = {

        /**
         * Initialize an individual series, called internally before render time
         */
        initSeries: function (options) {
            var chart = this,
                optionsChart = chart.options.chart,
                type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
                series = new seriesTypes[type]();

            series.init(this, options);
            return series;
        },

        /**
         * Add a series dynamically after  time
         *
         * @param {Object} options The config options
         * @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true.
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         *
         * @return {Object} series The newly created series object
         */
        addSeries: function (options, redraw, animation) {
            var series,
                chart = this;

            if (options) {
                setAnimation(animation, chart);
                redraw = pick(redraw, true); // defaults to true

                fireEvent(chart, 'addSeries', { options: options }, function () {
                    chart.initSeries(options);
                    //series = chart.initSeries(options);
                    //series.isDirty = true;

                    chart.isDirtyLegend = true; // the series array is out of sync with the display
                    if (redraw) {
                        chart.redraw();
                    }
                });
            }

            return series;
        },

        /**
         * Check whether a given point is within the plot area
         *
         * @param {Number} x Pixel x relative to the plot area
         * @param {Number} y Pixel y relative to the plot area
         */
        isInsidePlot: function (x, y) {
            return x >= 0 &&
                x <= this.plotWidth &&
                y >= 0 &&
                y <= this.plotHeight;
        },

        /**
         * Adjust all axes tick amounts
         */
        adjustTickAmounts: function () {
            if (this.options.chart.alignTicks !== false) {
                each(this.axes, function (axis) {
                    axis.adjustTickAmount();
                });
            }
            this.maxTicks = null;
        },

        /**
         * Redraw legend, axes or series based on updated data
         *
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         */
        redraw: function (animation) {
            var chart = this,
                axes = chart.axes,
                series = chart.series,
                tracker = chart.tracker,
                legend = chart.legend,
                redrawLegend = chart.isDirtyLegend,
                hasStackedSeries,
                isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
                seriesLength = series.length,
                i = seriesLength,
                clipRect = chart.clipRect,
                serie,
                renderer = chart.renderer,
                isHiddenChart = renderer.isHidden();

            setAnimation(animation, chart);

            if (isHiddenChart) {
                chart.cloneRenderTo();
            }

            // link stacked series
            while (i--) {
                serie = series[i];
                if (serie.isDirty && serie.options.stacking) {
                    hasStackedSeries = true;
                    break;
                }
            }
            if (hasStackedSeries) { // mark others as dirty
                i = seriesLength;
                while (i--) {
                    serie = series[i];
                    if (serie.options.stacking) {
                        serie.isDirty = true;
                    }
                }
            }

            // handle updated data in the series
            each(series, function (serie) {
                if (serie.isDirty) { // prepare the data so axis can read it
                    if (serie.options.legendType === 'point') {
                        redrawLegend = true;
                    }
                }
            });

            // handle added or removed series
            if (redrawLegend && legend.options.enabled) { // series or pie points are added or removed
                // draw legend graphics
                legend.render();

                chart.isDirtyLegend = false;
            }


            if (chart.hasCartesianSeries) {
                if (!chart.isResizing) {

                    // reset maxTicks
                    chart.maxTicks = null;

                    // set axes scales
                    each(axes, function (axis) {
                        axis.setScale();
                    });
                }
                chart.adjustTickAmounts();
                chart.getMargins();

                // redraw axes
                each(axes, function (axis) {

                    // Fire 'afterSetExtremes' only if extremes are set
                    if (axis.isDirtyExtremes) { // #821
                        axis.isDirtyExtremes = false;
                        fireEvent(axis, 'afterSetExtremes', axis.getExtremes()); // #747, #751
                    }

                    if (axis.isDirty || isDirtyBox || hasStackedSeries) {
                        axis.redraw();
                        isDirtyBox = true; // #792
                    }
                });


            }

            // the plot areas size has changed
            if (isDirtyBox) {
                chart.drawChartBox();

                // move clip rect
                if (clipRect) {
                    stop(clipRect);
                    clipRect.animate({ // for chart resize
                        width: chart.plotSizeX,
                        height: chart.plotSizeY + 1
                    });
                }

            }


            // redraw affected series
            each(series, function (serie) {
                if (serie.isDirty && serie.visible &&
                    (!serie.isCartesian || serie.xAxis)) { // issue #153
                    serie.redraw();
                }
            });


            // move tooltip or reset
            if (tracker && tracker.resetTracker) {
                tracker.resetTracker(true);
            }

            // redraw if canvas
            renderer.draw();

            // fire the event
            fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw

            if (isHiddenChart) {
                chart.cloneRenderTo(true);
            }
        },


        /**
         * Dim the chart and show a loading text or symbol
         * @param {String} str An optional text to show in the loading label instead of the default one
         */
        showLoading: function (str) {
            var chart = this,
                options = chart.options,
                loadingDiv = chart.loadingDiv;

            var loadingOptions = options.loading;

            // create the layer at the first call
            if (!loadingDiv) {
                chart.loadingDiv = loadingDiv = createElement(DIV, {
                    className: PREFIX + 'loading'
                }, extend(loadingOptions.style, {
                    left: chart.plotLeft + PX,
                    top: chart.plotTop + PX,
                    width: chart.plotWidth + PX,
                    height: chart.plotHeight + PX,
                    zIndex: 10,
                    display: NONE
                }), chart.container);

                chart.loadingSpan = createElement(
                    'span',
                    null,
                    loadingOptions.labelStyle,
                    loadingDiv
                );

            }

            // update text
            chart.loadingSpan.innerHTML = str || options.lang.loading;

            // show it
            if (!chart.loadingShown) {
                css(loadingDiv, { opacity: 0, display: '' });
                animate(loadingDiv, {
                    opacity: loadingOptions.style.opacity
                }, {
                    duration: loadingOptions.showDuration || 0
                });
                chart.loadingShown = true;
            }
        },

        /**
         * Hide the loading layer
         */
        hideLoading: function () {
            var options = this.options,
                loadingDiv = this.loadingDiv;

            if (loadingDiv) {
                animate(loadingDiv, {
                    opacity: 0
                }, {
                    duration: options.loading.hideDuration || 100,
                    complete: function () {
                        css(loadingDiv, { display: NONE });
                    }
                });
            }
            this.loadingShown = false;
        },

        /**
         * Get an axis, series or point object by id.
         * @param id {String} The id as given in the configuration options
         */
        get: function (id) {
            var chart = this,
                axes = chart.axes,
                series = chart.series;

            var i,
                j,
                points;

            // search axes
            for (i = 0; i < axes.length; i++) {
                if (axes[i].options.id === id) {
                    return axes[i];
                }
            }

            // search series
            for (i = 0; i < series.length; i++) {
                if (series[i].options.id === id) {
                    return series[i];
                }
            }

            // search points
            for (i = 0; i < series.length; i++) {
                points = series[i].points || [];
                for (j = 0; j < points.length; j++) {
                    if (points[j].id === id) {
                        return points[j];
                    }
                }
            }
            return null;
        },

        /**
         * Create the Axis instances based on the config options
         */
        getAxes: function () {
            var chart = this,
                options = this.options;

            var xAxisOptions = options.xAxis || {},
                yAxisOptions = options.yAxis || {},
                optionsArray,
                axis;

            // make sure the options are arrays and add some members
            xAxisOptions = splat(xAxisOptions);
            each(xAxisOptions, function (axis, i) {
                axis.index = i;
                axis.isX = true;
            });

            yAxisOptions = splat(yAxisOptions);
            each(yAxisOptions, function (axis, i) {
                axis.index = i;
            });

            // concatenate all axis options into one array
            optionsArray = xAxisOptions.concat(yAxisOptions);

            each(optionsArray, function (axisOptions) {
                axis = new Axis(chart, axisOptions);
            });

            chart.adjustTickAmounts();
        },


        /**
         * Get the currently selected points from all series
         */
        getSelectedPoints: function () {
            var points = [];
            each(this.series, function (serie) {
                points = points.concat(grep(serie.points, function (point) {
                    return point.selected;
                }));
            });
            return points;
        },

        /**
         * Get the currently selected series
         */
        getSelectedSeries: function () {
            return grep(this.series, function (serie) {
                return serie.selected;
            });
        },

        /**
         * Display the zoom button
         */
        showResetZoom: function () {
            var chart = this,
                lang = defaultOptions.lang,
                btnOptions = chart.options.chart.resetZoomButton,
                theme = btnOptions.theme,
                states = theme.states,
                box = btnOptions.relativeTo === 'chart' ? null : {
                    x: chart.plotLeft,
                    y: chart.plotTop,
                    width: chart.plotWidth,
                    height: chart.plotHeight
                };
            this.resetZoomButton = chart.renderer.button(lang.resetZoom, null, null, function () {
                chart.zoomOut();
            }, theme, states && states.hover)
                .attr({
                    align: btnOptions.position.align,
                    title: lang.resetZoomTitle
                })
                .add()
                .align(btnOptions.position, false, box);
        },

        /**
         * Zoom out to 1:1
         */
        zoomOut: function () {
            var chart = this,
                resetZoomButton = chart.resetZoomButton;

            fireEvent(chart, 'selection', { resetSelection: true }, function () {
                chart.zoom();
            });
            if (resetZoomButton) {
                chart.resetZoomButton = resetZoomButton.destroy();
            }
        },

        /**
         * Zoom into a given portion of the chart given by axis coordinates
         * @param {Object} event
         */
        zoom: function (event) {
            var chart = this,
                optionsChart = chart.options.chart;

            // add button to reset selection
            var hasZoomed;

            if (chart.resetZoomEnabled !== false && !chart.resetZoomButton) { // hook for Stock charts etc.
                chart.showResetZoom();
            }

            // if zoom is called with no arguments, reset the axes
            if (!event || event.resetSelection) {
                each(chart.axes, function (axis) {
                    if (axis.options.zoomEnabled !== false) {
                        axis.setExtremes(null, null, false);
                        hasZoomed = true;
                    }
                });
            } else { // else, zoom in on all axes
                each(event.xAxis.concat(event.yAxis), function (axisData) {
                    var axis = axisData.axis;

                    // don't zoom more than minRange
                    if (chart.tracker[axis.isXAxis ? 'zoomX' : 'zoomY']) {
                        axis.setExtremes(axisData.min, axisData.max, false);
                        hasZoomed = true;
                    }
                });
            }

            // Redraw
            if (hasZoomed) {
                chart.redraw(
                    pick(optionsChart.animation, chart.pointCount < 100) // animation
                );
            }
        },

        /**
         * Pan the chart by dragging the mouse across the pane. This function is called
         * on mouse move, and the distance to pan is computed from chartX compared to
         * the first chartX position in the dragging operation.
         */
        pan: function (chartX) {
            var chart = this;

            var xAxis = chart.xAxis[0],
                mouseDownX = chart.mouseDownX,
                halfPointRange = xAxis.pointRange / 2,
                extremes = xAxis.getExtremes(),
                newMin = xAxis.translate(mouseDownX - chartX, true) + halfPointRange,
                newMax = xAxis.translate(mouseDownX + chart.plotWidth - chartX, true) - halfPointRange,
                hoverPoints = chart.hoverPoints;

            // remove active points for shared tooltip
            if (hoverPoints) {
                each(hoverPoints, function (point) {
                    point.setState();
                });
            }

            if (xAxis.series.length && newMin > mathMin(extremes.dataMin, extremes.min) && newMax < mathMax(extremes.dataMax, extremes.max)) {
                xAxis.setExtremes(newMin, newMax, true, false);
            }

            chart.mouseDownX = chartX; // set new reference for next run
            css(chart.container, { cursor: 'move' });
        },

        /**
         * Show the title and subtitle of the chart
         *
         * @param titleOptions {Object} New title options
         * @param subtitleOptions {Object} New subtitle options
         *
         */
        setTitle: function (titleOptions, subtitleOptions) {
            var chart = this,
                options = chart.options,
                chartTitleOptions,
                chartSubtitleOptions;

            chart.chartTitleOptions = chartTitleOptions = merge(options.title, titleOptions);
            chart.chartSubtitleOptions = chartSubtitleOptions = merge(options.subtitle, subtitleOptions);

            // add title and subtitle
            each([
                ['title', titleOptions, chartTitleOptions],
                ['subtitle', subtitleOptions, chartSubtitleOptions]
            ], function (arr) {
                var name = arr[0],
                    title = chart[name],
                    titleOptions = arr[1],
                    chartTitleOptions = arr[2];

                if (title && titleOptions) {
                    title = title.destroy(); // remove old
                }
                if (chartTitleOptions && chartTitleOptions.text && !title) {
                    chart[name] = chart.renderer.text(
                            chartTitleOptions.text,
                            0,
                            0,
                            chartTitleOptions.useHTML
                        )
                        .attr({
                            align: chartTitleOptions.align,
                            'class': PREFIX + name,
                            zIndex: chartTitleOptions.zIndex || 4
                        })
                        .css(chartTitleOptions.style)
                        .add()
                        .align(chartTitleOptions, false, chart.spacingBox);
                }
            });

        },

        /**
         * Get chart width and height according to options and container size
         */
        getChartSize: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                renderTo = chart.renderToClone || chart.renderTo;

            // get inner width and height from jQuery (#824)
            chart.containerWidth = adapterRun(renderTo, 'width');
            chart.containerHeight = adapterRun(renderTo, 'height');

            chart.chartWidth = optionsChart.width || chart.containerWidth || 600;
            chart.chartHeight = optionsChart.height ||
                // the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
                (chart.containerHeight > 19 ? chart.containerHeight : 400);
        },

        /**
         * Create a clone of the chart's renderTo div and place it outside the viewport to allow
         * size computation on chart.render and chart.redraw
         */
        cloneRenderTo: function (revert) {
            var clone = this.renderToClone,
                container = this.container;

            // Destroy the clone and bring the container back to the real renderTo div
            if (revert) {
                if (clone) {
                    this.renderTo.appendChild(container);
                    discardElement(clone);
                    delete this.renderToClone;
                }

                // Set up the clone
            } else {
                if (container) {
                    this.renderTo.removeChild(container); // do not clone this
                }
                this.renderToClone = clone = this.renderTo.cloneNode(0);
                css(clone, {
                    position: ABSOLUTE,
                    top: '-9999px',
                    display: 'block' // #833
                });
                doc.body.appendChild(clone);
                if (container) {
                    clone.appendChild(container);
                }
            }
        },

        /**
         * Get the containing element, determine the size and create the inner container
         * div to hold the chart
         */
        getContainer: function () {
            var chart = this,
                container,
                optionsChart = chart.options.chart,
                chartWidth,
                chartHeight,
                renderTo,
                containerId;

            chart.renderTo = renderTo = optionsChart.renderTo;
            containerId = PREFIX + idCounter++;

            if (isString(renderTo)) {
                chart.renderTo = renderTo = doc.getElementById(renderTo);
            }

            // Display an error if the renderTo is wrong
            if (!renderTo) {
                error(13, true);
            }

            // remove previous chart
            renderTo.innerHTML = '';

            // If the container doesn't have an offsetWidth, it has or is a child of a node
            // that has display:none. We need to temporarily move it out to a visible
            // state to determine the size, else the legend and tooltips won't render
            // properly
            if (!renderTo.offsetWidth) {
                chart.cloneRenderTo();
            }

            // get the width and height
            chart.getChartSize();
            chartWidth = chart.chartWidth;
            chartHeight = chart.chartHeight;

            // create the inner container
            chart.container = container = createElement(DIV, {
                    className: PREFIX + 'container' +
                        (optionsChart.className ? ' ' + optionsChart.className : ''),
                    id: containerId
                }, extend({
                position: RELATIVE,
                overflow: HIDDEN, // needed for context menu (avoid scrollbars) and
                // content overflow in IE
                width: chartWidth + PX,
                height: chartHeight + PX,
                textAlign: 'left',
                lineHeight: 'normal' // #427
            }, optionsChart.style),
                chart.renderToClone || renderTo
            );

            chart.renderer =
                optionsChart.forExport ? // force SVG, used for SVG export
                    new SVGRenderer(container, chartWidth, chartHeight, true) :
                    new Renderer(container, chartWidth, chartHeight);

            if (useCanVG) {
                // If we need canvg library, extend and configure the renderer
                // to get the tracker for translating mouse events
                chart.renderer.create(chart, container, chartWidth, chartHeight);
            }
        },

        /**
         * Calculate margins by rendering axis labels in a preliminary position. Title,
         * subtitle and legend have already been rendered at this stage, but will be
         * moved into their final positions
         */
        getMargins: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                spacingTop = optionsChart.spacingTop,
                spacingRight = optionsChart.spacingRight,
                spacingBottom = optionsChart.spacingBottom,
                spacingLeft = optionsChart.spacingLeft,
                axisOffset,
                legend = chart.legend,
                optionsMarginTop = chart.optionsMarginTop,
                optionsMarginLeft = chart.optionsMarginLeft,
                optionsMarginRight = chart.optionsMarginRight,
                optionsMarginBottom = chart.optionsMarginBottom,
                chartTitleOptions = chart.chartTitleOptions,
                chartSubtitleOptions = chart.chartSubtitleOptions,
                legendOptions = chart.options.legend,
                legendMargin = pick(legendOptions.margin, 10),
                legendX = legendOptions.x,
                legendY = legendOptions.y,
                align = legendOptions.align,
                verticalAlign = legendOptions.verticalAlign,
                titleOffset;

            chart.resetMargins();
            axisOffset = chart.axisOffset;

            // adjust for title and subtitle
            if ((chart.title || chart.subtitle) && !defined(chart.optionsMarginTop)) {
                titleOffset = mathMax(
                    (chart.title && !chartTitleOptions.floating && !chartTitleOptions.verticalAlign && chartTitleOptions.y) || 0,
                    (chart.subtitle && !chartSubtitleOptions.floating && !chartSubtitleOptions.verticalAlign && chartSubtitleOptions.y) || 0
                );
                if (titleOffset) {
                    chart.plotTop = mathMax(chart.plotTop, titleOffset + pick(chartTitleOptions.margin, 15) + spacingTop);
                }
            }
            // adjust for legend
            if (legend.display && !legendOptions.floating) {
                if (align === 'right') { // horizontal alignment handled first
                    if (!defined(optionsMarginRight)) {
                        chart.marginRight = mathMax(
                            chart.marginRight,
                            legend.legendWidth - legendX + legendMargin + spacingRight
                        );
                    }
                } else if (align === 'left') {
                    if (!defined(optionsMarginLeft)) {
                        chart.plotLeft = mathMax(
                            chart.plotLeft,
                            legend.legendWidth + legendX + legendMargin + spacingLeft
                        );
                    }

                } else if (verticalAlign === 'top') {
                    if (!defined(optionsMarginTop)) {
                        chart.plotTop = mathMax(
                            chart.plotTop,
                            legend.legendHeight + legendY + legendMargin + spacingTop
                        );
                    }

                } else if (verticalAlign === 'bottom') {
                    if (!defined(optionsMarginBottom)) {
                        chart.marginBottom = mathMax(
                            chart.marginBottom,
                            legend.legendHeight - legendY + legendMargin + spacingBottom
                        );
                    }
                }
            }

            // adjust for scroller
            if (chart.extraBottomMargin) {
                chart.marginBottom += chart.extraBottomMargin;
            }
            if (chart.extraTopMargin) {
                chart.plotTop += chart.extraTopMargin;
            }

            // pre-render axes to get labels offset width
            if (chart.hasCartesianSeries) {
                each(chart.axes, function (axis) {
                    axis.getOffset();
                });
            }

            if (!defined(optionsMarginLeft)) {
                chart.plotLeft += axisOffset[3];
            }
            if (!defined(optionsMarginTop)) {
                chart.plotTop += axisOffset[0];
            }
            if (!defined(optionsMarginBottom)) {
                chart.marginBottom += axisOffset[2];
            }
            if (!defined(optionsMarginRight)) {
                chart.marginRight += axisOffset[1];
            }

            chart.setChartSize();

        },

        /**
         * Add the event handlers necessary for auto resizing
         *
         */
        initReflow: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                renderTo = chart.renderTo;

            var reflowTimeout;

            function reflow(e) {
                var width = optionsChart.width || adapterRun(renderTo, 'width'),
                    height = optionsChart.height || adapterRun(renderTo, 'height'),
                    target = e ? e.target : win; // #805 - MooTools doesn't supply e

                // Width and height checks for display:none. Target is doc in IE8 and Opera,
                // win in Firefox, Chrome and IE9.
                if (width && height && (target === win || target === doc)) {

                    if (width !== chart.containerWidth || height !== chart.containerHeight) {
                        clearTimeout(reflowTimeout);
                        reflowTimeout = setTimeout(function () {
                            chart.resize(width, height, false);
                        }, 100);
                    }
                    chart.containerWidth = width;
                    chart.containerHeight = height;
                }
            }

            addEvent(win, 'resize', reflow);
            addEvent(chart, 'destroy', function () {
                removeEvent(win, 'resize', reflow);
            });
        },

        /**
         * Fires endResize event on chart instance.
         */
        fireEndResize: function () {
            var chart = this;

            if (chart) {
                fireEvent(chart, 'endResize', null, function () {
                    chart.isResizing -= 1;
                });
            }
        },

        /**
         * Resize the chart to a given width and height
         * @param {Number} width
         * @param {Number} height
         * @param {Object|Boolean} animation
         */
        // TODO: This method is called setSize in the api
        resize: function (width, height, animation) {
            var chart = this,
                chartWidth,
                chartHeight,
                spacingBox,
                chartTitle = chart.title,
                chartSubtitle = chart.subtitle;

            chart.isResizing += 1;

            // set the animation for the current process
            setAnimation(animation, chart);

            chart.oldChartHeight = chart.chartHeight;
            chart.oldChartWidth = chart.chartWidth;
            if (defined(width)) {
                chart.chartWidth = chartWidth = mathRound(width);
            }
            if (defined(height)) {
                chart.chartHeight = chartHeight = mathRound(height);
            }

            css(chart.container, {
                width: chartWidth + PX,
                height: chartHeight + PX
            });
            chart.renderer.setSize(chartWidth, chartHeight, animation);

            // update axis lengths for more correct tick intervals:
            chart.plotWidth = chartWidth - chart.plotLeft - chart.marginRight;
            chart.plotHeight = chartHeight - chart.plotTop - chart.marginBottom;

            // handle axes
            chart.maxTicks = null;
            each(chart.axes, function (axis) {
                axis.isDirty = true;
                axis.setScale();
            });

            // make sure non-cartesian series are also handled
            each(chart.series, function (serie) {
                serie.isDirty = true;
            });

            chart.isDirtyLegend = true; // force legend redraw
            chart.isDirtyBox = true; // force redraw of plot and chart border

            chart.getMargins();

            // move titles
            spacingBox = chart.spacingBox;
            if (chartTitle) {
                chartTitle.align(null, null, spacingBox);
            }
            if (chartSubtitle) {
                chartSubtitle.align(null, null, spacingBox);
            }

            chart.redraw(animation);


            chart.oldChartHeight = null;
            fireEvent(chart, 'resize');

            // fire endResize and set isResizing back
            // If animation is disabled, fire without delay
            if (globalAnimation === false) {
                chart.fireEndResize();
            } else { // else set a timeout with the animation duration
                setTimeout(chart.fireEndResize, (globalAnimation && globalAnimation.duration) || 500);
            }
        },

        /**
         * Set the public chart properties. This is done before and after the pre-render
         * to determine margin sizes
         */
        setChartSize: function () {
            var chart = this,
                inverted = chart.inverted,
                chartWidth = chart.chartWidth,
                chartHeight = chart.chartHeight,
                optionsChart = chart.options.chart,
                spacingTop = optionsChart.spacingTop,
                spacingRight = optionsChart.spacingRight,
                spacingBottom = optionsChart.spacingBottom,
                spacingLeft = optionsChart.spacingLeft;

            chart.plotLeft = mathRound(chart.plotLeft);
            chart.plotTop = mathRound(chart.plotTop);
            chart.plotWidth = mathRound(chartWidth - chart.plotLeft - chart.marginRight);
            chart.plotHeight = mathRound(chartHeight - chart.plotTop - chart.marginBottom);

            chart.plotSizeX = inverted ? chart.plotHeight : chart.plotWidth;
            chart.plotSizeY = inverted ? chart.plotWidth : chart.plotHeight;

            chart.spacingBox = {
                x: spacingLeft,
                y: spacingTop,
                width: chartWidth - spacingLeft - spacingRight,
                height: chartHeight - spacingTop - spacingBottom
            };

            each(chart.axes, function (axis) {
                axis.setAxisSize();
                axis.setAxisTranslation();
            });
        },

        /**
         * Initial margins before auto size margins are applied
         */
        resetMargins: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                spacingTop = optionsChart.spacingTop,
                spacingRight = optionsChart.spacingRight,
                spacingBottom = optionsChart.spacingBottom,
                spacingLeft = optionsChart.spacingLeft;

            chart.plotTop = pick(chart.optionsMarginTop, spacingTop);
            chart.marginRight = pick(chart.optionsMarginRight, spacingRight);
            chart.marginBottom = pick(chart.optionsMarginBottom, spacingBottom);
            chart.plotLeft = pick(chart.optionsMarginLeft, spacingLeft);
            chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
        },

        /**
         * Draw the borders and backgrounds for chart and plot area
         */
        drawChartBox: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                renderer = chart.renderer,
                chartWidth = chart.chartWidth,
                chartHeight = chart.chartHeight,
                chartBackground = chart.chartBackground,
                plotBackground = chart.plotBackground,
                plotBorder = chart.plotBorder,
                plotBGImage = chart.plotBGImage,
                chartBorderWidth = optionsChart.borderWidth || 0,
                chartBackgroundColor = optionsChart.backgroundColor,
                plotBackgroundColor = optionsChart.plotBackgroundColor,
                plotBackgroundImage = optionsChart.plotBackgroundImage,
                mgn,
                bgAttr,
                plotSize = {
                    x: chart.plotLeft,
                    y: chart.plotTop,
                    width: chart.plotWidth,
                    height: chart.plotHeight
                };

            // Chart area
            mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);

            if (chartBorderWidth || chartBackgroundColor) {
                if (!chartBackground) {

                    bgAttr = {
                        fill: chartBackgroundColor || NONE
                    };
                    if (chartBorderWidth) { // #980
                        bgAttr.stroke = optionsChart.borderColor;
                        bgAttr['stroke-width'] = chartBorderWidth;
                    }
                    chart.chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn,
                            optionsChart.borderRadius, chartBorderWidth)
                        .attr(bgAttr)
                        .add()
                        .shadow(optionsChart.shadow);
                } else { // resize
                    chartBackground.animate(
                        chartBackground.crisp(null, null, null, chartWidth - mgn, chartHeight - mgn)
                    );
                }
            }


            // Plot background
            if (plotBackgroundColor) {
                if (!plotBackground) {
                    chart.plotBackground = renderer.rect(chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight, 0)
                        .attr({
                            fill: plotBackgroundColor
                        })
                        .add()
                        .shadow(optionsChart.plotShadow);
                } else {
                    plotBackground.animate(plotSize);
                }
            }
            if (plotBackgroundImage) {
                if (!plotBGImage) {
                    chart.plotBGImage = renderer.image(plotBackgroundImage, chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight)
                        .add();
                } else {
                    plotBGImage.animate(plotSize);
                }
            }

            // Plot area border
            if (optionsChart.plotBorderWidth) {
                if (!plotBorder) {
                    chart.plotBorder = renderer.rect(chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight, 0, optionsChart.plotBorderWidth)
                        .attr({
                            stroke: optionsChart.plotBorderColor,
                            'stroke-width': optionsChart.plotBorderWidth,
                            zIndex: 4
                        })
                        .add();
                } else {
                    plotBorder.animate(
                        plotBorder.crisp(null, chart.plotLeft, chart.plotTop, chart.plotWidth, chart.plotHeight)
                    );
                }
            }

            // reset
            chart.isDirtyBox = false;
        },

        /**
         * Detect whether a certain chart property is needed based on inspecting its options
         * and series. This mainly applies to the chart.invert property, and in extensions to
         * the chart.angular and chart.polar properties.
         */
        propFromSeries: function () {
            var chart = this,
                optionsChart = chart.options.chart,
                klass,
                seriesOptions = chart.options.series,
                i,
                value;


            each(['inverted', 'angular', 'polar'], function (key) {

                // The default series type's class
                klass = seriesTypes[optionsChart.type || optionsChart.defaultSeriesType];

                // Get the value from available chart-wide properties
                value = (
                    chart[key] || // 1. it is set before
                        optionsChart[key] || // 2. it is set in the options
                        (klass && klass.prototype[key]) // 3. it's default series class requires it
                    );

                // 4. Check if any the chart's series require it
                i = seriesOptions && seriesOptions.length;
                while (!value && i--) {
                    klass = seriesTypes[seriesOptions[i].type];
                    if (klass && klass.prototype[key]) {
                        value = true;
                    }
                }

                // Set the chart property
                chart[key] = value;
            });

        },

        /**
         * Render all graphics for the chart
         */
        render: function () {
            var chart = this,
                axes = chart.axes,
                renderer = chart.renderer,
                options = chart.options;

            var labels = options.labels,
                credits = options.credits,
                creditsHref;

            // Title
            chart.setTitle();


            // Legend
            chart.legend = new Legend(chart);

            // Get margins by pre-rendering axes
            // set axes scales
            each(axes, function (axis) {
                axis.setScale();
            });
            chart.getMargins();

            chart.maxTicks = null; // reset for second pass
            each(axes, function (axis) {
                axis.setTickPositions(true); // update to reflect the new margins
                axis.setMaxTicks();
            });
            chart.adjustTickAmounts();
            chart.getMargins(); // second pass to check for new labels


            // Draw the borders and backgrounds
            chart.drawChartBox();


            // Axes
            if (chart.hasCartesianSeries) {
                each(axes, function (axis) {
                    axis.render();
                });
            }

            // The series
            if (!chart.seriesGroup) {
                chart.seriesGroup = renderer.g('series-group')
                    .attr({ zIndex: 3 })
                    .add();
            }
            each(chart.series, function (serie) {
                serie.translate();
                serie.setTooltipPoints();
                serie.render();
            });

            // Labels
            if (labels.items) {
                each(labels.items, function () {
                    var style = extend(labels.style, this.style),
                        x = pInt(style.left) + chart.plotLeft,
                        y = pInt(style.top) + chart.plotTop + 12;

                    // delete to prevent rewriting in IE
                    delete style.left;
                    delete style.top;

                    renderer.text(
                            this.html,
                            x,
                            y
                        )
                        .attr({ zIndex: 2 })
                        .css(style)
                        .add();

                });
            }

            // Credits
            if (credits.enabled && !chart.credits) {
                creditsHref = credits.href;
                chart.credits = renderer.text(
                        credits.text,
                        0,
                        0
                    )
                    .on('click', function () {
                        if (creditsHref) {
                            location.href = creditsHref;
                        }
                    })
                    .attr({
                        align: credits.position.align,
                        zIndex: 8
                    })
                    .css(credits.style)
                    .add()
                    .align(credits.position);
            }

            // Set flag
            chart.hasRendered = true;

        },

        /**
         * Clean up memory usage
         */
        destroy: function () {
            var chart = this,
                axes = chart.axes,
                series = chart.series,
                container = chart.container;

            var i,
                parentNode = container && container.parentNode;

            // If the chart is destroyed already, do nothing.
            // This will happen if if a script invokes chart.destroy and
            // then it will be called again on win.unload
            if (chart === null) {
                return;
            }

            // fire the chart.destoy event
            fireEvent(chart, 'destroy');

            // remove events
            removeEvent(chart);

            // ==== Destroy collections:
            // Destroy axes
            i = axes.length;
            while (i--) {
                axes[i] = axes[i].destroy();
            }

            // Destroy each series
            i = series.length;
            while (i--) {
                series[i] = series[i].destroy();
            }

            // ==== Destroy chart properties:
            each(['title', 'subtitle', 'chartBackground', 'plotBackground', 'plotBGImage', 'plotBorder', 'seriesGroup', 'clipRect', 'credits', 'tracker', 'scroller', 'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
                var prop = chart[name];

                if (prop) {
                    chart[name] = prop.destroy();
                }
            });

            // remove container and all SVG
            if (container) { // can break in IE when destroyed before finished loading
                container.innerHTML = '';
                removeEvent(container);
                if (parentNode) {
                    discardElement(container);
                }

                // IE6 leak
                container = null;
            }

            // clean it all up
            for (i in chart) {
                delete chart[i];
            }

            chart.options = null;
            chart = null;
        },

        /**
         * Prepare for first rendering after all data are loaded
         */
        firstRender: function () {
            var chart = this,
                options = chart.options,
                callback = chart.callback;

            // VML namespaces can't be added until after complete. Listening
            // for Perini's doScroll hack is not enough.
            var ONREADYSTATECHANGE = 'onreadystatechange',
                COMPLETE = 'complete';
            // Note: in spite of JSLint's complaints, win == win.top is required
            /*jslint eqeq: true*/
            if ((!hasSVG && (win == win.top && doc.readyState !== COMPLETE)) || (useCanVG && !win.canvg)) {
                /*jslint eqeq: false*/
                if (useCanVG) {
                    // Delay rendering until canvg library is downloaded and ready
                    CanVGController.push(function () {
                        chart.firstRender();
                    }, options.global.canvasToolsURL);
                } else {
                    doc.attachEvent(ONREADYSTATECHANGE, function () {
                        doc.detachEvent(ONREADYSTATECHANGE, chart.firstRender);
                        if (doc.readyState === COMPLETE) {
                            chart.firstRender();
                        }
                    });
                }
                return;
            }

            // create the container
            chart.getContainer();

            // Run an early event after the container and renderer are established
            fireEvent(chart, 'init');

            // Initialize range selector for stock charts
            if (Highcharts.RangeSelector && options.rangeSelector.enabled) {
                chart.rangeSelector = new Highcharts.RangeSelector(chart);
            }

            chart.resetMargins();
            chart.setChartSize();

            // Set the common chart properties (mainly invert) from the given series
            chart.propFromSeries();

            // get axes
            chart.getAxes();

            // Initialize the series
            each(options.series || [], function (serieOptions) {
                chart.initSeries(serieOptions);
            });

            // Run an event where series and axes can be added
            //fireEvent(chart, 'beforeRender');

            // Initialize scroller for stock charts
            if (Highcharts.Scroller && (options.navigator.enabled || options.scrollbar.enabled)) {
                chart.scroller = new Highcharts.Scroller(chart);
            }

            // depends on inverted and on margins being set
            chart.tracker = new MouseTracker(chart, options);

            chart.render();

            // add canvas
            chart.renderer.draw();
            // run callbacks
            if (callback) {
                callback.apply(chart, [chart]);
            }
            each(chart.callbacks, function (fn) {
                fn.apply(chart, [chart]);
            });


            // If the chart was rendered outside the top container, put it back in
            chart.cloneRenderTo(true);

            fireEvent(chart, 'load');

        },

        init: function (chartEvents) {
            var chart = this,
                optionsChart = chart.options.chart,
                eventType;

            // Run chart

            // Set up auto resize
            if (optionsChart.reflow !== false) {
                addEvent(chart, 'load', chart.initReflow);
            }

            // Chart event handlers
            if (chartEvents) {
                for (eventType in chartEvents) {
                    addEvent(chart, eventType, chartEvents[eventType]);
                }
            }

            chart.xAxis = [];
            chart.yAxis = [];

            // Expose methods and variables
            chart.animation = useCanVG ? false : pick(optionsChart.animation, true);
            chart.setSize = chart.resize;
            chart.pointCount = 0;
            chart.counters = new ChartCounters();
            /*
             if ($) $(function () {
             $container = $('#container');
             var origChartWidth,
             origChartHeight;
             if ($container) {
             $('<button>+</button>')
             .insertBefore($container)
             .click(function () {
             if (origChartWidth === UNDEFINED) {
             origChartWidth = chartWidth;
             origChartHeight = chartHeight;
             }
             chart.resize(chartWidth *= 1.1, chartHeight *= 1.1);
             });
             $('<button>-</button>')
             .insertBefore($container)
             .click(function () {
             if (origChartWidth === UNDEFINED) {
             origChartWidth = chartWidth;
             origChartHeight = chartHeight;
             }
             chart.resize(chartWidth *= 0.9, chartHeight *= 0.9);
             });
             $('<button>1:1</button>')
             .insertBefore($container)
             .click(function () {
             if (origChartWidth === UNDEFINED) {
             origChartWidth = chartWidth;
             origChartHeight = chartHeight;
             }
             chart.resize(origChartWidth, origChartHeight);
             });
             }
             })
             */

            chart.firstRender();
        }
    }; // end Chart

// Hook for exporting module
    Chart.prototype.callbacks = [];
    /**
     * The Point object and prototype. Inheritable and used as base for PiePoint
     */
    var Point = function () {
    };
    Point.prototype = {

        /**
         * Initialize the point
         * @param {Object} series The series object containing this point
         * @param {Object} options The data in either number, array or object format
         */
        init: function (series, options, x) {
            var point = this,
                counters = series.chart.counters,
                defaultColors;
            point.series = series;
            point.applyOptions(options, x);
            point.pointAttr = {};

            if (series.options.colorByPoint) {
                defaultColors = series.chart.options.colors;
                if (!point.options) {
                    point.options = {};
                }
                point.color = point.options.color = point.color || defaultColors[counters.color++];

                // loop back to zero
                counters.wrapColor(defaultColors.length);
            }

            series.chart.pointCount++;
            return point;
        },
        /**
         * Apply the options containing the x and y data and possible some extra properties.
         * This is called on point init or from point.update.
         *
         * @param {Object} options
         */
        applyOptions: function (options, x) {
            var point = this,
                series = point.series,
                optionsType = typeof options;

            point.config = options;

            // onedimensional array input
            if (optionsType === 'number' || options === null) {
                point.y = options;
            } else if (typeof options[0] === 'number') { // two-dimentional array
                point.x = options[0];
                point.y = options[1];
            } else if (optionsType === 'object' && typeof options.length !== 'number') { // object input
                // copy options directly to point
                extend(point, options);
                point.options = options;

                // This is the fastest way to detect if there are individual point dataLabels that need 
                // to be considered in drawDataLabels. These can only occur in object configs.
                if (options.dataLabels) {
                    series._hasPointLabels = true;
                }
            } else if (typeof options[0] === 'string') { // categorized data with name in first position
                point.name = options[0];
                point.y = options[1];
            }

            /*
             * If no x is set by now, get auto incremented value. All points must have an
             * x value, however the y value can be null to create a gap in the series
             */
            // todo: skip this? It is only used in applyOptions, in translate it should not be used
            if (point.x === UNDEFINED) {
                point.x = x === UNDEFINED ? series.autoIncrement() : x;
            }


        },

        /**
         * Destroy a point to clear memory. Its reference still stays in series.data.
         */
        destroy: function () {
            var point = this,
                series = point.series,
                chart = series.chart,
                hoverPoints = chart.hoverPoints,
                prop;

            chart.pointCount--;

            if (hoverPoints) {
                point.setState();
                erase(hoverPoints, point);
                if (!hoverPoints.length) {
                    chart.hoverPoints = null;
                }

            }
            if (point === chart.hoverPoint) {
                point.onMouseOut();
            }

            // remove all events
            if (point.graphic || point.dataLabel) { // removeEvent and destroyElements are performance expensive
                removeEvent(point);
                point.destroyElements();
            }

            if (point.legendItem) { // pies have legend items
                chart.legend.destroyItem(point);
            }

            for (prop in point) {
                point[prop] = null;
            }


        },

        /**
         * Destroy SVG elements associated with the point
         */
        destroyElements: function () {
            var point = this,
                props = ['graphic', 'tracker', 'dataLabel', 'group', 'connector', 'shadowGroup'],
                prop,
                i = 6;
            while (i--) {
                prop = props[i];
                if (point[prop]) {
                    point[prop] = point[prop].destroy();
                }
            }
        },

        /**
         * Return the configuration hash needed for the data label and tooltip formatters
         */
        getLabelConfig: function () {
            var point = this;
            return {
                x: point.category,
                y: point.y,
                key: point.name || point.category,
                series: point.series,
                point: point,
                percentage: point.percentage,
                total: point.total || point.stackTotal
            };
        },

        /**
         * Toggle the selection status of a point
         * @param {Boolean} selected Whether to select or unselect the point.
         * @param {Boolean} accumulate Whether to add to the previous selection. By default,
         *     this happens if the control key (Cmd on Mac) was pressed during clicking.
         */
        select: function (selected, accumulate) {
            var point = this,
                series = point.series,
                chart = series.chart;

            selected = pick(selected, !point.selected);

            // fire the event with the defalut handler
            point.firePointEvent(selected ? 'select' : 'unselect', { accumulate: accumulate }, function () {
                point.selected = selected;
                point.setState(selected && SELECT_STATE);

                // unselect all other points unless Ctrl or Cmd + click
                if (!accumulate) {
                    each(chart.getSelectedPoints(), function (loopPoint) {
                        if (loopPoint.selected && loopPoint !== point) {
                            loopPoint.selected = false;
                            loopPoint.setState(NORMAL_STATE);
                            loopPoint.firePointEvent('unselect');
                        }
                    });
                }
            });
        },

        onMouseOver: function () {
            var point = this,
                series = point.series,
                chart = series.chart,
                tooltip = chart.tooltip,
                hoverPoint = chart.hoverPoint;

            // set normal state to previous series
            if (hoverPoint && hoverPoint !== point) {
                hoverPoint.onMouseOut();
            }

            // trigger the event
            point.firePointEvent('mouseOver');

            // update the tooltip
            if (tooltip && (!tooltip.shared || series.noSharedTooltip)) {
                tooltip.refresh(point);
            }

            // hover this
            point.setState(HOVER_STATE);
            chart.hoverPoint = point;
        },

        onMouseOut: function () {
            var point = this;
            point.firePointEvent('mouseOut');

            point.setState();
            point.series.chart.hoverPoint = null;
        },

        /**
         * Extendable method for formatting each point's tooltip line
         *
         * @return {String} A string to be concatenated in to the common tooltip text
         */
        tooltipFormatter: function (pointFormat) {
            var point = this,
                series = point.series,
                seriesTooltipOptions = series.tooltipOptions,
                match = pointFormat.match(/\{(series|point)\.[a-zA-Z]+\}/g),
                splitter = /[{\.}]/,
                obj,
                key,
                replacement,
                repOptionKey,
                parts,
                prop,
                i,
                cfg = { // docs: percentageDecimals, percentagePrefix, percentageSuffix, totalDecimals, totalPrefix, totalSuffix
                    y: 0, // 0: use 'value' for repOptionKey
                    open: 0,
                    high: 0,
                    low: 0,
                    close: 0,
                    percentage: 1, // 1: use the self name for repOptionKey
                    total: 1
                };

            // Backwards compatibility to y naming in early Highstock
            seriesTooltipOptions.valuePrefix = seriesTooltipOptions.valuePrefix || seriesTooltipOptions.yPrefix;
            seriesTooltipOptions.valueDecimals = seriesTooltipOptions.valueDecimals || seriesTooltipOptions.yDecimals;
            seriesTooltipOptions.valueSuffix = seriesTooltipOptions.valueSuffix || seriesTooltipOptions.ySuffix;

            // loop over the variables defined on the form {series.name}, {point.y} etc
            for (i in match) {
                key = match[i];
                if (isString(key) && key !== pointFormat) { // IE matches more than just the variables

                    // Split it further into parts
                    parts = (' ' + key).split(splitter); // add empty string because IE and the rest handles it differently
                    obj = { 'point': point, 'series': series }[parts[1]];
                    prop = parts[2];

                    // Add some preformatting
                    if (obj === point && cfg.hasOwnProperty(prop)) {
                        repOptionKey = cfg[prop] ? prop : 'value';
                        replacement = (seriesTooltipOptions[repOptionKey + 'Prefix'] || '') +
                            numberFormat(point[prop], pick(seriesTooltipOptions[repOptionKey + 'Decimals'], -1)) +
                            (seriesTooltipOptions[repOptionKey + 'Suffix'] || '');

                        // Automatic replacement
                    } else {
                        replacement = obj[prop];
                    }

                    pointFormat = pointFormat.replace(key, replacement);
                }
            }

            return pointFormat;
        },

        /**
         * Update the point with new options (typically x/y data) and optionally redraw the series.
         *
         * @param {Object} options Point options as defined in the series.data array
         * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         *
         */
        update: function (options, redraw, animation) {
            var point = this,
                series = point.series,
                graphic = point.graphic,
                i,
                data = series.data,
                dataLength = data.length,
                chart = series.chart;

            redraw = pick(redraw, true);

            // fire the event with a default handler of doing the update
            point.firePointEvent('update', { options: options }, function () {

                point.applyOptions(options);

                // update visuals
                if (isObject(options)) {
                    series.getAttribs();
                    if (graphic) {
                        graphic.attr(point.pointAttr[series.state]);
                    }
                }

                // record changes in the parallel arrays
                for (i = 0; i < dataLength; i++) {
                    if (data[i] === point) {
                        series.xData[i] = point.x;
                        series.yData[i] = point.y;
                        series.options.data[i] = options;
                        break;
                    }
                }

                // redraw
                series.isDirty = true;
                series.isDirtyData = true;
                if (redraw) {
                    chart.redraw(animation);
                }
            });
        },

        /**
         * Remove a point and optionally redraw the series and if necessary the axes
         * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         */
        remove: function (redraw, animation) {
            var point = this,
                series = point.series,
                chart = series.chart,
                i,
                data = series.data,
                dataLength = data.length;

            setAnimation(animation, chart);
            redraw = pick(redraw, true);

            // fire the event with a default handler of removing the point
            point.firePointEvent('remove', null, function () {

                //erase(series.data, point);

                for (i = 0; i < dataLength; i++) {
                    if (data[i] === point) {

                        // splice all the parallel arrays
                        data.splice(i, 1);
                        series.options.data.splice(i, 1);
                        series.xData.splice(i, 1);
                        series.yData.splice(i, 1);
                        break;
                    }
                }

                point.destroy();


                // redraw
                series.isDirty = true;
                series.isDirtyData = true;
                if (redraw) {
                    chart.redraw();
                }
            });


        },

        /**
         * Fire an event on the Point object. Must not be renamed to fireEvent, as this
         * causes a name clash in MooTools
         * @param {String} eventType
         * @param {Object} eventArgs Additional event arguments
         * @param {Function} defaultFunction Default event handler
         */
        firePointEvent: function (eventType, eventArgs, defaultFunction) {
            var point = this,
                series = this.series,
                seriesOptions = series.options;

            // load event handlers on demand to save time on mouseover/out
            if (seriesOptions.point.events[eventType] || (point.options && point.options.events && point.options.events[eventType])) {
                this.importEvents();
            }

            // add default handler if in selection mode
            if (eventType === 'click' && seriesOptions.allowPointSelect) {
                defaultFunction = function (event) {
                    // Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera
                    point.select(null, event.ctrlKey || event.metaKey || event.shiftKey);
                };
            }

            fireEvent(this, eventType, eventArgs, defaultFunction);
        },
        /**
         * Import events from the series' and point's options. Only do it on
         * demand, to save processing time on hovering.
         */
        importEvents: function () {
            if (!this.hasImportedEvents) {
                var point = this,
                    options = merge(point.series.options.point, point.options),
                    events = options.events,
                    eventType;

                point.events = events;

                for (eventType in events) {
                    addEvent(point, eventType, events[eventType]);
                }
                this.hasImportedEvents = true;

            }
        },

        /**
         * Set the point's state
         * @param {String} state
         */
        setState: function (state) {
            var point = this,
                plotX = point.plotX,
                plotY = point.plotY,
                series = point.series,
                stateOptions = series.options.states,
                markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
                normalDisabled = markerOptions && !markerOptions.enabled,
                markerStateOptions = markerOptions && markerOptions.states[state],
                stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
                stateMarkerGraphic = series.stateMarkerGraphic,
                chart = series.chart,
                radius,
                pointAttr = point.pointAttr;

            state = state || NORMAL_STATE; // empty string

            if (
            // already has this state
                state === point.state ||
                    // selected points don't respond to hover
                    (point.selected && state !== SELECT_STATE) ||
                    // series' state options is disabled
                    (stateOptions[state] && stateOptions[state].enabled === false) ||
                    // point marker's state options is disabled
                    (state && (stateDisabled || (normalDisabled && !markerStateOptions.enabled)))

                ) {
                return;
            }

            // apply hover styles to the existing point
            if (point.graphic) {
                radius = markerOptions && point.graphic.symbolName && pointAttr[state].r;
                point.graphic.attr(merge(
                    pointAttr[state],
                    radius ? { // new symbol attributes (#507, #612)
                        x: plotX - radius,
                        y: plotY - radius,
                        width: 2 * radius,
                        height: 2 * radius
                    } : {}
                ));
            } else {
                // if a graphic is not applied to each point in the normal state, create a shared
                // graphic for the hover state
                if (state && markerStateOptions) {
                    if (!stateMarkerGraphic) {
                        radius = markerStateOptions.radius;
                        series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
                                series.symbol,
                                -radius,
                                -radius,
                                2 * radius,
                                2 * radius
                            )
                            .attr(pointAttr[state])
                            .add(series.group);
                    }

                    stateMarkerGraphic.translate(
                        plotX,
                        plotY
                    );
                }

                if (stateMarkerGraphic) {
                    stateMarkerGraphic[state ? 'show' : 'hide']();
                }
            }

            point.state = state;
        }
    };

    /**
     * @classDescription The base function which all other series types inherit from. The data in the series is stored
     * in various arrays.
     *
     * - First, series.options.data contains all the original config options for
     * each point whether added by options or methods like series.addPoint.
     * - Next, series.data contains those values converted to points, but in case the series data length
     * exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It
     * only contains the points that have been created on demand.
     * - Then there's series.points that contains all currently visible point objects. In case of cropping,
     * the cropped-away points are not part of this array. The series.points array starts at series.cropStart
     * compared to series.data and series.options.data. If however the series data is grouped, these can't
     * be correlated one to one.
     * - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points.
     * - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points.
     *
     * @param {Object} chart
     * @param {Object} options
     */
    var Series = function () {
    };

    Series.prototype = {

        isCartesian: true,
        type: 'line',
        pointClass: Point,
        sorted: true, // requires the data to be sorted
        pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
            stroke: 'lineColor',
            'stroke-width': 'lineWidth',
            fill: 'fillColor',
            r: 'radius'
        },
        init: function (chart, options) {
            var series = this,
                eventType,
                events,
            //pointEvent,
                index = chart.series.length;

            series.chart = chart;
            series.options = options = series.setOptions(options); // merge with plotOptions

            // bind the axes
            series.bindAxes();

            // set some variables
            extend(series, {
                index: index,
                name: options.name || 'Series ' + (index + 1),
                state: NORMAL_STATE,
                pointAttr: {},
                visible: options.visible !== false, // true by default
                selected: options.selected === true // false by default
            });

            // special
            if (useCanVG) {
                options.animation = false;
            }

            // register event listeners
            events = options.events;
            for (eventType in events) {
                addEvent(series, eventType, events[eventType]);
            }
            if (
                (events && events.click) ||
                    (options.point && options.point.events && options.point.events.click) ||
                    options.allowPointSelect
                ) {
                chart.runTrackerClick = true;
            }

            series.getColor();
            series.getSymbol();

            // set the data
            series.setData(options.data, false);

            // Mark cartesian
            if (series.isCartesian) {
                chart.hasCartesianSeries = true;
            }

            // Register it in the chart
            chart.series.push(series);
        },

        /**
         * Set the xAxis and yAxis properties of cartesian series, and register the series
         * in the axis.series array
         */
        bindAxes: function () {
            var series = this,
                seriesOptions = series.options,
                chart = series.chart,
                axisOptions;

            if (series.isCartesian) {

                each(['xAxis', 'yAxis'], function (AXIS) { // repeat for xAxis and yAxis

                    each(chart[AXIS], function (axis) { // loop through the chart's axis objects

                        axisOptions = axis.options;

                        // apply if the series xAxis or yAxis option mathches the number of the 
                        // axis, or if undefined, use the first axis
                        if ((seriesOptions[AXIS] === axisOptions.index) ||
                            (seriesOptions[AXIS] === UNDEFINED && axisOptions.index === 0)) {

                            // register this series in the axis.series lookup
                            axis.series.push(series);

                            // set this series.xAxis or series.yAxis reference
                            series[AXIS] = axis;

                            // mark dirty for redraw
                            axis.isDirty = true;
                        }
                    });

                });
            }
        },


        /**
         * Return an auto incremented x value based on the pointStart and pointInterval options.
         * This is only used if an x value is not given for the point that calls autoIncrement.
         */
        autoIncrement: function () {
            var series = this,
                options = series.options,
                xIncrement = series.xIncrement;

            xIncrement = pick(xIncrement, options.pointStart, 0);

            series.pointInterval = pick(series.pointInterval, options.pointInterval, 1);

            series.xIncrement = xIncrement + series.pointInterval;
            return xIncrement;
        },

        /**
         * Divide the series data into segments divided by null values.
         */
        getSegments: function () {
            var series = this,
                lastNull = -1,
                segments = [],
                i,
                points = series.points,
                pointsLength = points.length;

            if (pointsLength) { // no action required for []

                // if connect nulls, just remove null points
                if (series.options.connectNulls) {
                    i = pointsLength;
                    while (i--) {
                        if (points[i].y === null) {
                            points.splice(i, 1);
                        }
                    }
                    if (points.length) {
                        segments = [points];
                    }

                    // else, split on null points
                } else {
                    each(points, function (point, i) {
                        if (point.y === null) {
                            if (i > lastNull + 1) {
                                segments.push(points.slice(lastNull + 1, i));
                            }
                            lastNull = i;
                        } else if (i === pointsLength - 1) { // last value
                            segments.push(points.slice(lastNull + 1, i + 1));
                        }
                    });
                }
            }

            // register it
            series.segments = segments;
        },
        /**
         * Set the series options by merging from the options tree
         * @param {Object} itemOptions
         */
        setOptions: function (itemOptions) {
            var series = this,
                chart = series.chart,
                chartOptions = chart.options,
                plotOptions = chartOptions.plotOptions,
                data = itemOptions.data,
                options;

            itemOptions.data = null; // remove from merge to prevent looping over the data set

            options = merge(
                plotOptions[this.type],
                plotOptions.series,
                itemOptions
            );

            // Re-insert the data array to the options and the original config (#717)
            options.data = itemOptions.data = data;

            // the tooltip options are merged between global and series specific options
            series.tooltipOptions = merge(chartOptions.tooltip, options.tooltip);

            return options;

        },
        /**
         * Get the series' color
         */
        getColor: function () {
            var options = this.options,
                defaultColors = this.chart.options.colors,
                counters = this.chart.counters;
            this.color = options.color ||
                (!options.colorByPoint && defaultColors[counters.color++]) || 'gray';
            counters.wrapColor(defaultColors.length);
        },
        /**
         * Get the series' symbol
         */
        getSymbol: function () {
            var series = this,
                seriesMarkerOption = series.options.marker,
                chart = series.chart,
                defaultSymbols = chart.options.symbols,
                counters = chart.counters;
            series.symbol = seriesMarkerOption.symbol || defaultSymbols[counters.symbol++];

            // don't substract radius in image symbols (#604)
            if (/^url/.test(series.symbol)) {
                seriesMarkerOption.radius = 0;
            }
            counters.wrapSymbol(defaultSymbols.length);
        },

        /**
         * Get the series' symbol in the legend. This method should be overridable to create custom
         * symbols through Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
         *
         * @param {Object} legend The legend object
         */
        drawLegendSymbol: function (legend) {

            var options = this.options,
                markerOptions = options.marker,
                radius,
                legendOptions = legend.options,
                legendSymbol,
                symbolWidth = legendOptions.symbolWidth,
                renderer = this.chart.renderer,
                legendItemGroup = this.legendGroup,
                baseline = legend.baseline,
                attr;

            // Draw the line
            if (options.lineWidth) {
                attr = {
                    'stroke-width': options.lineWidth
                };
                if (options.dashStyle) {
                    attr.dashstyle = options.dashStyle;
                }
                this.legendLine = renderer.path([
                        M,
                        0,
                        baseline - 4,
                        L,
                        symbolWidth,
                        baseline - 4
                    ])
                    .attr(attr)
                    .add(legendItemGroup);
            }

            // Draw the marker
            if (markerOptions && markerOptions.enabled) {
                radius = markerOptions.radius;
                this.legendSymbol = legendSymbol = renderer.symbol(
                        this.symbol,
                        (symbolWidth / 2) - radius,
                        baseline - 4 - radius,
                        2 * radius,
                        2 * radius
                    )
                    .attr(this.pointAttr[NORMAL_STATE])
                    .add(legendItemGroup);
            }
        },

        /**
         * Add a point dynamically after chart load time
         * @param {Object} options Point options as given in series.data
         * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
         * @param {Boolean} shift If shift is true, a point is shifted off the start
         *    of the series as one is appended to the end.
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         */
        addPoint: function (options, redraw, shift, animation) {
            var series = this,
                data = series.data,
                graph = series.graph,
                area = series.area,
                chart = series.chart,
                xData = series.xData,
                yData = series.yData,
                currentShift = (graph && graph.shift) || 0,
                dataOptions = series.options.data,
                point;
            //point = (new series.pointClass()).init(series, options);

            setAnimation(animation, chart);

            // Make graph animate sideways
            if (graph && shift) {
                graph.shift = currentShift + 1;
            }
            if (area) {
                if (shift) { // #780
                    area.shift = currentShift + 1;
                }
                area.isArea = true; // needed in animation, both with and without shift
            }

            // Optional redraw, defaults to true
            redraw = pick(redraw, true);

            // Get options and push the point to xData, yData and series.options. In series.generatePoints
            // the Point instance will be created on demand and pushed to the series.data array.
            point = { series: series };
            series.pointClass.prototype.applyOptions.apply(point, [options]);
            xData.push(point.x);
            yData.push(series.valueCount === 4 ? [point.open, point.high, point.low, point.close] : point.y);
            dataOptions.push(options);


            // Shift the first point off the parallel arrays
            // todo: consider series.removePoint(i) method
            if (shift) {
                if (data[0] && data[0].remove) {
                    data[0].remove(false);
                } else {
                    data.shift();
                    xData.shift();
                    yData.shift();
                    dataOptions.shift();
                }
            }
            series.getAttribs();

            // redraw
            series.isDirty = true;
            series.isDirtyData = true;
            if (redraw) {
                chart.redraw();
            }
        },

        /**
         * Replace the series data with a new set of data
         * @param {Object} data
         * @param {Object} redraw
         */
        setData: function (data, redraw) {
            var series = this,
                oldData = series.points,
                options = series.options,
                initialColor = series.initialColor,
                chart = series.chart,
                firstPoint = null,
                xAxis = series.xAxis,
                i,
                pointProto = series.pointClass.prototype;

            // reset properties
            series.xIncrement = null;
            series.pointRange = (xAxis && xAxis.categories && 1) || options.pointRange;

            if (defined(initialColor)) { // reset colors for pie
                chart.counters.color = initialColor;
            }

            // parallel arrays
            var xData = [],
                yData = [],
                dataLength = data ? data.length : [],
                turboThreshold = options.turboThreshold || 1000,
                pt,
                valueCount = series.valueCount;

            // In turbo mode, only one- or twodimensional arrays of numbers are allowed. The
            // first value is tested, and we assume that all the rest are defined the same
            // way. Although the 'for' loops are similar, they are repeated inside each
            // if-else conditional for max performance.
            if (dataLength > turboThreshold) {

                // find the first non-null point
                i = 0;
                while (firstPoint === null && i < dataLength) {
                    firstPoint = data[i];
                    i++;
                }


                if (isNumber(firstPoint)) { // assume all points are numbers
                    var x = pick(options.pointStart, 0),
                        pointInterval = pick(options.pointInterval, 1);

                    for (i = 0; i < dataLength; i++) {
                        xData[i] = x;
                        yData[i] = data[i];
                        x += pointInterval;
                    }
                    series.xIncrement = x;
                } else if (isArray(firstPoint)) { // assume all points are arrays
                    if (valueCount) { // [x, low, high] or [x, o, h, l, c]
                        for (i = 0; i < dataLength; i++) {
                            pt = data[i];
                            xData[i] = pt[0];
                            yData[i] = pt.slice(1, valueCount + 1);
                        }
                    } else { // [x, y]
                        for (i = 0; i < dataLength; i++) {
                            pt = data[i];
                            xData[i] = pt[0];
                            yData[i] = pt[1];
                        }
                    }
                }
                /* else {
                 error(12); // Highcharts expects configs to be numbers or arrays in turbo mode
                 }*/
            } else {
                for (i = 0; i < dataLength; i++) {
                    pt = { series: series };
                    pointProto.applyOptions.apply(pt, [data[i]]);
                    xData[i] = pt.x;
                    yData[i] = pointProto.toYData ? pointProto.toYData.apply(pt) : pt.y;
                }
            }

            series.data = [];
            series.options.data = data;
            series.xData = xData;
            series.yData = yData;

            // destroy old points
            i = (oldData && oldData.length) || 0;
            while (i--) {
                if (oldData[i] && oldData[i].destroy) {
                    oldData[i].destroy();
                }
            }

            // reset minRange (#878)
            if (xAxis) {
                xAxis.minRange = xAxis.userMinRange;
            }

            // redraw
            series.isDirty = series.isDirtyData = chart.isDirtyBox = true;
            if (pick(redraw, true)) {
                chart.redraw(false);
            }
        },

        /**
         * Remove a series and optionally redraw the chart
         *
         * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
         * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
         *    configuration
         */

        remove: function (redraw, animation) {
            var series = this,
                chart = series.chart;
            redraw = pick(redraw, true);

            if (!series.isRemoving) {  /* prevent triggering native event in jQuery
             (calling the remove function from the remove event) */
                series.isRemoving = true;

                // fire the event with a default handler of removing the point
                fireEvent(series, 'remove', null, function () {


                    // destroy elements
                    series.destroy();


                    // redraw
                    chart.isDirtyLegend = chart.isDirtyBox = true;
                    if (redraw) {
                        chart.redraw(animation);
                    }
                });

            }
            series.isRemoving = false;
        },

        /**
         * Process the data by cropping away unused data points if the series is longer
         * than the crop threshold. This saves computing time for lage series.
         */
        processData: function (force) {
            var series = this,
                processedXData = series.xData, // copied during slice operation below
                processedYData = series.yData,
                dataLength = processedXData.length,
                cropStart = 0,
                cropEnd = dataLength,
                cropped,
                distance,
                closestPointRange,
                xAxis = series.xAxis,
                i, // loop variable
                options = series.options,
                cropThreshold = options.cropThreshold,
                isCartesian = series.isCartesian;

            // If the series data or axes haven't changed, don't go through this. Return false to pass
            // the message on to override methods like in data grouping. 
            if (isCartesian && !series.isDirty && !xAxis.isDirty && !series.yAxis.isDirty && !force) {
                return false;
            }

            // optionally filter out points outside the plot area
            if (isCartesian && series.sorted && (!cropThreshold || dataLength > cropThreshold || series.forceCrop)) {
                var extremes = xAxis.getExtremes(),
                    min = extremes.min,
                    max = extremes.max;

                // it's outside current extremes
                if (processedXData[dataLength - 1] < min || processedXData[0] > max) {
                    processedXData = [];
                    processedYData = [];

                    // only crop if it's actually spilling out
                } else if (processedXData[0] < min || processedXData[dataLength - 1] > max) {

                    // iterate up to find slice start
                    for (i = 0; i < dataLength; i++) {
                        if (processedXData[i] >= min) {
                            cropStart = mathMax(0, i - 1);
                            break;
                        }
                    }
                    // proceed to find slice end
                    for (; i < dataLength; i++) {
                        if (processedXData[i] > max) {
                            cropEnd = i + 1;
                            break;
                        }

                    }
                    processedXData = processedXData.slice(cropStart, cropEnd);
                    processedYData = processedYData.slice(cropStart, cropEnd);
                    cropped = true;
                }
            }


            // Find the closest distance between processed points
            for (i = processedXData.length - 1; i > 0; i--) {
                distance = processedXData[i] - processedXData[i - 1];
                if (distance > 0 && (closestPointRange === UNDEFINED || distance < closestPointRange)) {
                    closestPointRange = distance;
                }
            }

            // Record the properties
            series.cropped = cropped; // undefined or true
            series.cropStart = cropStart;
            series.processedXData = processedXData;
            series.processedYData = processedYData;

            if (options.pointRange === null) { // null means auto, as for columns, candlesticks and OHLC
                series.pointRange = closestPointRange || 1;
            }
            series.closestPointRange = closestPointRange;

        },

        /**
         * Generate the data point after the data has been processed by cropping away
         * unused points and optionally grouped in Highcharts Stock.
         */
        generatePoints: function () {
            var series = this,
                options = series.options,
                dataOptions = options.data,
                data = series.data,
                dataLength,
                processedXData = series.processedXData,
                processedYData = series.processedYData,
                pointClass = series.pointClass,
                processedDataLength = processedXData.length,
                cropStart = series.cropStart || 0,
                cursor,
                hasGroupedData = series.hasGroupedData,
                point,
                points = [],
                i;

            if (!data && !hasGroupedData) {
                var arr = [];
                arr.length = dataOptions.length;
                data = series.data = arr;
            }

            for (i = 0; i < processedDataLength; i++) {
                cursor = cropStart + i;
                if (!hasGroupedData) {
                    if (data[cursor]) {
                        point = data[cursor];
                    } else if (dataOptions[cursor] !== UNDEFINED) { // #970
                        data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]);
                    }
                    points[i] = point;
                } else {
                    // splat the y data in case of ohlc data array
                    points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i])));
                }
            }

            // Hide cropped-away points - this only runs when the number of points is above cropThreshold, or when
            // swithching view from non-grouped data to grouped data (#637)	
            if (data && (processedDataLength !== (dataLength = data.length) || hasGroupedData)) {
                for (i = 0; i < dataLength; i++) {
                    if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points
                        i += processedDataLength;
                    }
                    if (data[i]) {
                        data[i].destroyElements();
                        data[i].plotX = UNDEFINED; // #1003
                    }
                }
            }

            series.data = data;
            series.points = points;
        },

        /**
         * Translate data points from raw data values to chart specific positioning data
         * needed later in drawPoints, drawGraph and drawTracker.
         */
        translate: function () {
            if (!this.processedXData) { // hidden series
                this.processData();
            }
            this.generatePoints();
            var series = this,
                chart = series.chart,
                options = series.options,
                stacking = options.stacking,
                xAxis = series.xAxis,
                categories = xAxis.categories,
                yAxis = series.yAxis,
                points = series.points,
                dataLength = points.length,
                hasModifyValue = !!series.modifyValue,
                isLastSeries,
                allStackSeries = yAxis.series,
                i = allStackSeries.length;

            // Is it the last visible series?
            while (i--) {
                if (allStackSeries[i].visible) {
                    if (i === series.index) {
                        isLastSeries = true;
                    }
                    break;
                }
            }

            // Translate each point
            for (i = 0; i < dataLength; i++) {
                var point = points[i],
                    xValue = point.x,
                    yValue = point.y,
                    yBottom = point.low,
                    stack = yAxis.stacks[(yValue < options.threshold ? '-' : '') + series.stackKey],
                    pointStack,
                    pointStackTotal;

                // get the plotX translation
                //point.plotX = mathRound(xAxis.translate(xValue, 0, 0, 0, 1) * 10) / 10; // Math.round fixes #591
                point.plotX = xAxis.translate(xValue, 0, 0, 0, 1); // Math.round fixes #591

                // calculate the bottom y value for stacked series
                if (stacking && series.visible && stack && stack[xValue]) {
                    pointStack = stack[xValue];
                    pointStackTotal = pointStack.total;
                    pointStack.cum = yBottom = pointStack.cum - yValue; // start from top
                    yValue = yBottom + yValue;

                    if (isLastSeries) {
                        yBottom = options.threshold;
                    }

                    if (stacking === 'percent') {
                        yBottom = pointStackTotal ? yBottom * 100 / pointStackTotal : 0;
                        yValue = pointStackTotal ? yValue * 100 / pointStackTotal : 0;
                    }

                    point.percentage = pointStackTotal ? point.y * 100 / pointStackTotal : 0;
                    point.stackTotal = pointStackTotal;
                    point.stackY = yValue;
                }

                // Set translated yBottom or remove it
                point.yBottom = defined(yBottom) ?
                    yAxis.translate(yBottom, 0, 1, 0, 1) :
                    null;

                // general hook, used for Highstock compare mode
                if (hasModifyValue) {
                    yValue = series.modifyValue(yValue, point);
                }

                // Set the the plotY value, reset it for redraws
                point.plotY = (typeof yValue === 'number') ?
                    mathRound(yAxis.translate(yValue, 0, 1, 0, 1) * 10) / 10 : // Math.round fixes #591
                    UNDEFINED;

                // set client related positions for mouse tracking
                point.clientX = chart.inverted ?
                    chart.plotHeight - point.plotX :
                    point.plotX; // for mouse tracking

                // some API data
                point.category = categories && categories[point.x] !== UNDEFINED ?
                    categories[point.x] : point.x;


            }

            // now that we have the cropped data, build the segments
            series.getSegments();
        },
        /**
         * Memoize tooltip texts and positions
         */
        setTooltipPoints: function (renew) {
            var series = this,
                chart = series.chart,
                points = [],
                pointsLength,
                plotSize = chart.plotSizeX,
                low,
                high,
                xAxis = series.xAxis,
                point,
                i,
                tooltipPoints = []; // a lookup array for each pixel in the x dimension

            // don't waste resources if tracker is disabled
            if (series.options.enableMouseTracking === false) {
                return;
            }

            // renew
            if (renew) {
                series.tooltipPoints = null;
            }

            // concat segments to overcome null values
            each(series.segments || series.points, function (segment) {
                points = points.concat(segment);
            });

            // loop the concatenated points and apply each point to all the closest
            // pixel positions
            if (xAxis && xAxis.reversed) {
                points = points.reverse();
            }

            // Assign each pixel position to the nearest point
            pointsLength = points.length;
            for (i = 0; i < pointsLength; i++) {
                point = points[i];
                low = points[i - 1] ? points[i - 1]._high + 1 : 0;
                point._high = high = points[i + 1] ?
                    mathMax(0, mathFloor((point.plotX + (points[i + 1] ? points[i + 1].plotX : plotSize)) / 2)) :
                    plotSize;

                while (low >= 0 && low <= high) {
                    tooltipPoints[low++] = point;
                }
            }
            series.tooltipPoints = tooltipPoints;
        },

        /**
         * Format the header of the tooltip
         */
        tooltipHeaderFormatter: function (key) {
            var series = this,
                tooltipOptions = series.tooltipOptions,
                xDateFormat = tooltipOptions.xDateFormat,
                xAxis = series.xAxis,
                isDateTime = xAxis && xAxis.options.type === 'datetime',
                n;

            // Guess the best date format based on the closest point distance (#568)
            if (isDateTime && !xDateFormat) {
                for (n in timeUnits) {
                    if (timeUnits[n] >= xAxis.closestPointRange) {
                        xDateFormat = tooltipOptions.dateTimeLabelFormats[n];
                        break;
                    }
                }
            }

            return tooltipOptions.headerFormat
                .replace('{point.key}', isDateTime ? dateFormat(xDateFormat, key) : key)
                .replace('{series.name}', series.name)
                .replace('{series.color}', series.color);
        },

        /**
         * Series mouse over handler
         */
        onMouseOver: function () {
            var series = this,
                chart = series.chart,
                hoverSeries = chart.hoverSeries;

            if (!hasTouch && chart.mouseIsDown) {
                return;
            }

            // set normal state to previous series
            if (hoverSeries && hoverSeries !== series) {
                hoverSeries.onMouseOut();
            }

            // trigger the event, but to save processing time,
            // only if defined
            if (series.options.events.mouseOver) {
                fireEvent(series, 'mouseOver');
            }

            // hover this
            series.setState(HOVER_STATE);
            chart.hoverSeries = series;
        },

        /**
         * Series mouse out handler
         */
        onMouseOut: function () {
            // trigger the event only if listeners exist
            var series = this,
                options = series.options,
                chart = series.chart,
                tooltip = chart.tooltip,
                hoverPoint = chart.hoverPoint;

            // trigger mouse out on the point, which must be in this series
            if (hoverPoint) {
                hoverPoint.onMouseOut();
            }

            // fire the mouse out event
            if (series && options.events.mouseOut) {
                fireEvent(series, 'mouseOut');
            }


            // hide the tooltip
            if (tooltip && !options.stickyTracking && !tooltip.shared) {
                tooltip.hide();
            }

            // set normal state
            series.setState();
            chart.hoverSeries = null;
        },

        /**
         * Animate in the series
         */
        animate: function (init) {
            var series = this,
                chart = series.chart,
                clipRect = series.clipRect,
                animation = series.options.animation;

            if (animation && !isObject(animation)) {
                animation = {};
            }

            if (init) { // initialize the animation
                if (!clipRect.isAnimating) { // apply it only for one of the series
                    clipRect.attr('width', 0);
                    clipRect.isAnimating = true;
                }

            } else { // run the animation
                clipRect.animate({
                    width: chart.plotSizeX
                }, animation);

                // delete this function to allow it only once
                this.animate = null;
            }
        },


        /**
         * Draw the markers
         */
        drawPoints: function () {
            var series = this,
                pointAttr,
                points = series.points,
                chart = series.chart,
                plotX,
                plotY,
                i,
                point,
                radius,
                symbol,
                isImage,
                graphic;

            if (series.options.marker.enabled) {
                i = points.length;
                while (i--) {
                    point = points[i];
                    plotX = point.plotX;
                    plotY = point.plotY;
                    graphic = point.graphic;

                    // only draw the point if y is defined
                    if (plotY !== UNDEFINED && !isNaN(plotY)) {

                        // shortcuts
                        pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE];
                        radius = pointAttr.r;
                        symbol = pick(point.marker && point.marker.symbol, series.symbol);
                        isImage = symbol.indexOf('url') === 0;

                        if (graphic) { // update
                            graphic.animate(extend({
                                x: plotX - radius,
                                y: plotY - radius
                            }, graphic.symbolName ? { // don't apply to image symbols #507
                                width: 2 * radius,
                                height: 2 * radius
                            } : {}));
                        } else if (radius > 0 || isImage) {
                            point.graphic = chart.renderer.symbol(
                                    symbol,
                                    plotX - radius,
                                    plotY - radius,
                                    2 * radius,
                                    2 * radius
                                )
                                .attr(pointAttr)
                                .add(series.group);
                        }
                    }
                }
            }

        },

        /**
         * Convert state properties from API naming conventions to SVG attributes
         *
         * @param {Object} options API options object
         * @param {Object} base1 SVG attribute object to inherit from
         * @param {Object} base2 Second level SVG attribute object to inherit from
         */
        convertAttribs: function (options, base1, base2, base3) {
            var conversion = this.pointAttrToOptions,
                attr,
                option,
                obj = {};

            options = options || {};
            base1 = base1 || {};
            base2 = base2 || {};
            base3 = base3 || {};

            for (attr in conversion) {
                option = conversion[attr];
                obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
            }
            return obj;
        },

        /**
         * Get the state attributes. Each series type has its own set of attributes
         * that are allowed to change on a point's state change. Series wide attributes are stored for
         * all series, and additionally point specific attributes are stored for all
         * points with individual marker options. If such options are not defined for the point,
         * a reference to the series wide attributes is stored in point.pointAttr.
         */
        getAttribs: function () {
            var series = this,
                normalOptions = defaultPlotOptions[series.type].marker ? series.options.marker : series.options,
                stateOptions = normalOptions.states,
                stateOptionsHover = stateOptions[HOVER_STATE],
                pointStateOptionsHover,
                seriesColor = series.color,
                normalDefaults = {
                    stroke: seriesColor,
                    fill: seriesColor
                },
                points = series.points || [], // #927
                i,
                point,
                seriesPointAttr = [],
                pointAttr,
                pointAttrToOptions = series.pointAttrToOptions,
                hasPointSpecificOptions,
                key;

            // series type specific modifications
            if (series.options.marker) { // line, spline, area, areaspline, scatter

                // if no hover radius is given, default to normal radius + 2
                stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + 2;
                stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + 1;

            } else { // column, bar, pie

                // if no hover color is given, brighten the normal color
                stateOptionsHover.color = stateOptionsHover.color ||
                    Color(stateOptionsHover.color || seriesColor)
                        .brighten(stateOptionsHover.brightness).get();
            }

            // general point attributes for the series normal state
            seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);

            // HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
            each([HOVER_STATE, SELECT_STATE], function (state) {
                seriesPointAttr[state] =
                    series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
            });

            // set it
            series.pointAttr = seriesPointAttr;


            // Generate the point-specific attribute collections if specific point
            // options are given. If not, create a referance to the series wide point
            // attributes
            i = points.length;
            while (i--) {
                point = points[i];
                normalOptions = (point.options && point.options.marker) || point.options;
                if (normalOptions && normalOptions.enabled === false) {
                    normalOptions.radius = 0;
                }
                hasPointSpecificOptions = false;

                // check if the point has specific visual options
                if (point.options) {
                    for (key in pointAttrToOptions) {
                        if (defined(normalOptions[pointAttrToOptions[key]])) {
                            hasPointSpecificOptions = true;
                        }
                    }
                }


                // a specific marker config object is defined for the individual point:
                // create it's own attribute collection
                if (hasPointSpecificOptions) {

                    pointAttr = [];
                    stateOptions = normalOptions.states || {}; // reassign for individual point
                    pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};

                    // if no hover color is given, brighten the normal color
                    if (!series.options.marker) { // column, bar, point
                        pointStateOptionsHover.color =
                            Color(pointStateOptionsHover.color || point.options.color)
                                .brighten(pointStateOptionsHover.brightness ||
                                    stateOptionsHover.brightness).get();

                    }

                    // normal point state inherits series wide normal state
                    pointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, seriesPointAttr[NORMAL_STATE]);

                    // inherit from point normal and series hover
                    pointAttr[HOVER_STATE] = series.convertAttribs(
                        stateOptions[HOVER_STATE],
                        seriesPointAttr[HOVER_STATE],
                        pointAttr[NORMAL_STATE]
                    );
                    // inherit from point normal and series hover
                    pointAttr[SELECT_STATE] = series.convertAttribs(
                        stateOptions[SELECT_STATE],
                        seriesPointAttr[SELECT_STATE],
                        pointAttr[NORMAL_STATE]
                    );


                    // no marker config object is created: copy a reference to the series-wide
                    // attribute collection
                } else {
                    pointAttr = seriesPointAttr;
                }

                point.pointAttr = pointAttr;

            }

        },


        /**
         * Clear DOM objects and free up memory
         */
        destroy: function () {
            var series = this,
                chart = series.chart,
                seriesClipRect = series.clipRect,
                issue134 = /AppleWebKit\/533/.test(userAgent),
                destroy,
                i,
                data = series.data || [],
                point,
                prop,
                axis;

            // add event hook
            fireEvent(series, 'destroy');

            // remove all events
            removeEvent(series);

            // erase from axes
            each(['xAxis', 'yAxis'], function (AXIS) {
                axis = series[AXIS];
                if (axis) {
                    erase(axis.series, series);
                    axis.isDirty = true;
                }
            });

            // remove legend items
            if (series.legendItem) {
                series.chart.legend.destroyItem(series);
            }

            // destroy all points with their elements
            i = data.length;
            while (i--) {
                point = data[i];
                if (point && point.destroy) {
                    point.destroy();
                }
            }
            series.points = null;

            // If this series clipRect is not the global one (which is removed on chart.destroy) we
            // destroy it here.
            if (seriesClipRect && seriesClipRect !== chart.clipRect) {
                series.clipRect = seriesClipRect.destroy();
            }

            // destroy all SVGElements associated to the series
            each(['area', 'graph', 'dataLabelsGroup', 'group', 'tracker', 'trackerGroup'], function (prop) {
                if (series[prop]) {

                    // issue 134 workaround
                    destroy = issue134 && prop === 'group' ?
                        'hide' :
                        'destroy';

                    series[prop][destroy]();
                }
            });

            // remove from hoverSeries
            if (chart.hoverSeries === series) {
                chart.hoverSeries = null;
            }
            erase(chart.series, series);

            // clear all members
            for (prop in series) {
                delete series[prop];
            }
        },

        /**
         * Draw the data labels
         */
        drawDataLabels: function () {

            var series = this,
                seriesOptions = series.options,
                options = seriesOptions.dataLabels;

            if (options.enabled || series._hasPointLabels) {
                var x,
                    y,
                    points = series.points,
                    pointOptions,
                    generalOptions,
                    str,
                    dataLabelsGroup = series.dataLabelsGroup,
                    chart = series.chart,
                    xAxis = series.xAxis,
                    groupLeft = xAxis ? xAxis.left : chart.plotLeft,
                    yAxis = series.yAxis,
                    groupTop = yAxis ? yAxis.top : chart.plotTop,
                    renderer = chart.renderer,
                    inverted = chart.inverted,
                    seriesType = series.type,
                    stacking = seriesOptions.stacking,
                    isBarLike = seriesType === 'column' || seriesType === 'bar',
                    vAlignIsNull = options.verticalAlign === null,
                    yIsNull = options.y === null,
                    fontMetrics = renderer.fontMetrics(options.style.fontSize), // height and baseline
                    fontLineHeight = fontMetrics.h,
                    fontBaseline = fontMetrics.b,
                    dataLabel,
                    enabled;

                if (isBarLike) {
                    var defaultYs = {
                        top: fontBaseline,
                        middle: fontBaseline - fontLineHeight / 2,
                        bottom: -fontLineHeight + fontBaseline
                    };
                    if (stacking) {
                        // In stacked series the default label placement is inside the bars
                        if (vAlignIsNull) {
                            options = merge(options, {verticalAlign: 'middle'});
                        }

                        // If no y delta is specified, try to create a good default
                        if (yIsNull) {
                            options = merge(options, { y: defaultYs[options.verticalAlign]});
                        }
                    } else {
                        // In non stacked series the default label placement is on top of the bars
                        if (vAlignIsNull) {
                            options = merge(options, {verticalAlign: 'top'});

                            // If no y delta is specified, try to create a good default (like default bar)
                        } else if (yIsNull) {
                            options = merge(options, { y: defaultYs[options.verticalAlign]});
                        }

                    }
                }


                // create a separate group for the data labels to avoid rotation
                if (!dataLabelsGroup) {
                    dataLabelsGroup = series.dataLabelsGroup =
                        renderer.g('data-labels')
                            .attr({
                                visibility: series.visible ? VISIBLE : HIDDEN,
                                zIndex: 6
                            })
                            .translate(groupLeft, groupTop)
                            .add();
                } else {
                    dataLabelsGroup.translate(groupLeft, groupTop);
                }

                // make the labels for each point
                generalOptions = options;
                each(points, function (point) {

                    dataLabel = point.dataLabel;

                    // Merge in individual options from point
                    options = generalOptions; // reset changes from previous points
                    pointOptions = point.options;
                    if (pointOptions && pointOptions.dataLabels) {
                        options = merge(options, pointOptions.dataLabels);
                    }
                    enabled = options.enabled;

                    // Get the positions
                    if (enabled) {
                        var plotX = (point.barX && point.barX + point.barW / 2) || pick(point.plotX, -999),
                            plotY = pick(point.plotY, -999),

                        // if options.y is null, which happens by default on column charts, set the position
                        // above or below the column depending on the threshold
                            individualYDelta = options.y === null ?
                                (point.y >= seriesOptions.threshold ?
                                    -fontLineHeight + fontBaseline : // below the threshold 
                                    fontBaseline) : // above the threshold
                                options.y;

                        x = (inverted ? chart.plotWidth - plotY : plotX) + options.x;
                        y = mathRound((inverted ? chart.plotHeight - plotX : plotY) + individualYDelta);

                    }

                    // If the point is outside the plot area, destroy it. #678, #820
                    if (dataLabel && series.isCartesian && (!chart.isInsidePlot(x, y) || !enabled)) {
                        point.dataLabel = dataLabel.destroy();

                        // Individual labels are disabled if the are explicitly disabled 
                        // in the point options, or if they fall outside the plot area.
                    } else if (enabled) {

                        var align = options.align,
                            attr,
                            name;

                        // Get the string
                        str = options.formatter.call(point.getLabelConfig(), options);

                        // in columns, align the string to the column
                        if (seriesType === 'column') {
                            x += { left: -1, right: 1 }[align] * point.barW / 2 || 0;
                        }

                        if (!stacking && inverted && point.y < 0) {
                            align = 'right';
                            x -= 10;
                        }

                        // Determine the color
                        options.style.color = pick(options.color, options.style.color, series.color, 'black');


                        // update existing label
                        if (dataLabel) {
                            // vertically centered
                            dataLabel
                                .attr({
                                    text: str
                                }).animate({
                                    x: x,
                                    y: y
                                });
                            // create new label
                        } else if (defined(str)) {
                            attr = {
                                align: align,
                                fill: options.backgroundColor,
                                stroke: options.borderColor,
                                'stroke-width': options.borderWidth,
                                r: options.borderRadius || 0,
                                rotation: options.rotation,
                                padding: options.padding,
                                zIndex: 1
                            };
                            // Remove unused attributes (#947)
                            for (name in attr) {
                                if (attr[name] === UNDEFINED) {
                                    delete attr[name];
                                }
                            }

                            dataLabel = point.dataLabel = renderer[options.rotation ? 'text' : 'label']( // labels don't support rotation
                                    str,
                                    x,
                                    y,
                                    null,
                                    null,
                                    null,
                                    options.useHTML,
                                    true // baseline for backwards compat
                                )
                                .attr(attr)
                                .css(options.style)
                                .add(dataLabelsGroup)
                                .shadow(options.shadow);
                        }

                        if (isBarLike && seriesOptions.stacking && dataLabel) {
                            var barX = point.barX,
                                barY = point.barY,
                                barW = point.barW,
                                barH = point.barH;

                            dataLabel.align(options, null,
                                {
                                    x: inverted ? chart.plotWidth - barY - barH : barX,
                                    y: inverted ? chart.plotHeight - barX - barW : barY,
                                    width: inverted ? barH : barW,
                                    height: inverted ? barW : barH
                                });
                        }


                    }
                });
            }
        },

        /**
         * Return the graph path of a segment
         */
        getSegmentPath: function (segment) {
            var series = this,
                segmentPath = [];

            // build the segment line
            each(segment, function (point, i) {

                if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
                    segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));

                } else {

                    // moveTo or lineTo
                    segmentPath.push(i ? L : M);

                    // step line?
                    if (i && series.options.step) {
                        var lastPoint = segment[i - 1];
                        segmentPath.push(
                            point.plotX,
                            lastPoint.plotY
                        );
                    }

                    // normal line to next point
                    segmentPath.push(
                        point.plotX,
                        point.plotY
                    );
                }
            });

            return segmentPath;
        },

        /**
         * Draw the actual graph
         */
        drawGraph: function () {
            var series = this,
                options = series.options,
                chart = series.chart,
                graph = series.graph,
                graphPath = [],
                group = series.group,
                color = options.lineColor || series.color,
                lineWidth = options.lineWidth,
                dashStyle = options.dashStyle,
                segmentPath,
                renderer = chart.renderer,
                singlePoints = [], // used in drawTracker
                attribs;

            // divide into segments and build graph and area paths
            each(series.segments, function (segment) {

                segmentPath = series.getSegmentPath(segment);

                // add the segment to the graph, or a single point for tracking
                if (segment.length > 1) {
                    graphPath = graphPath.concat(segmentPath);
                } else {
                    singlePoints.push(segment[0]);
                }
            });

            // used in drawTracker:
            series.graphPath = graphPath;
            series.singlePoints = singlePoints;

            // draw the graph
            if (graph) {
                stop(graph); // cancel running animations, #459
                graph.animate({ d: graphPath });

            } else {
                if (lineWidth) {
                    attribs = {
                        stroke: color,
                        'stroke-width': lineWidth
                    };
                    if (dashStyle) {
                        attribs.dashstyle = dashStyle;
                    }

                    series.graph = renderer.path(graphPath)
                        .attr(attribs).add(group).shadow(options.shadow);
                }
            }
        },

        /**
         * Initialize and perform group inversion on series.group and series.trackerGroup
         */
        invertGroups: function () {
            var series = this,
                group = series.group,
                trackerGroup = series.trackerGroup,
                chart = series.chart;

            // A fixed size is needed for inversion to work
            function setInvert() {
                var size = {
                    width: series.yAxis.len,
                    height: series.xAxis.len
                };

                // Set the series.group size
                group.attr(size).invert();

                // Set the tracker group size
                if (trackerGroup) {
                    trackerGroup.attr(size).invert();
                }
            }

            addEvent(chart, 'resize', setInvert); // do it on resize
            addEvent(series, 'destroy', function () {
                removeEvent(chart, 'resize', setInvert);
            });

            // Do it now
            setInvert(); // do it now

            // On subsequent render and redraw, just do setInvert without setting up events again
            series.invertGroups = setInvert;
        },

        /**
         * Create the series group
         */
        createGroup: function () {

            var chart = this.chart,
                group = this.group = chart.renderer.g('series');

            group.attr({
                visibility: this.visible ? VISIBLE : HIDDEN,
                zIndex: this.options.zIndex
            })
                .translate(this.xAxis.left, this.yAxis.top)
                .add(chart.seriesGroup);

            // Only run this once
            this.createGroup = noop;
        },

        /**
         * Render the graph and markers
         */
        render: function () {
            var series = this,
                chart = series.chart,
                group,
                options = series.options,
                doClip = options.clip !== false,
                animation = options.animation,
                doAnimation = animation && series.animate,
                duration = doAnimation ? (animation && animation.duration) || 500 : 0,
                clipRect = series.clipRect,
                renderer = chart.renderer;


            // Add plot area clipping rectangle. If this is before chart.hasRendered,
            // create one shared clipRect.

            // Todo: since creating the clip property, the clipRect is created but
            // never used when clip is false. A better way would be that the animation
            // would run, then the clipRect destroyed.
            if (!clipRect) {
                clipRect = series.clipRect = !chart.hasRendered && chart.clipRect ?
                    chart.clipRect :
                    renderer.clipRect(0, 0, chart.plotSizeX, chart.plotSizeY + 1);
                if (!chart.clipRect) {
                    chart.clipRect = clipRect;
                }
            }


            // the group
            series.createGroup();
            group = series.group;


            series.drawDataLabels();

            // initiate the animation
            if (doAnimation) {
                series.animate(true);
            }

            // cache attributes for shapes
            series.getAttribs();

            // draw the graph if any
            if (series.drawGraph) {
                series.drawGraph();
            }

            // draw the points
            series.drawPoints();

            // draw the mouse tracking area
            if (series.options.enableMouseTracking !== false) {
                series.drawTracker();
            }

            // Handle inverted series and tracker groups
            if (chart.inverted) {
                series.invertGroups();
            }

            // Do the initial clipping. This must be done after inverting for VML.
            if (doClip && !series.hasRendered) {
                group.clip(clipRect);
                if (series.trackerGroup) {
                    series.trackerGroup.clip(chart.clipRect);
                }
            }


            // run the animation
            if (doAnimation) {
                series.animate();
            }

            // finish the individual clipRect
            setTimeout(function () {
                clipRect.isAnimating = false;
                group = series.group; // can be destroyed during the timeout
                if (group && clipRect !== chart.clipRect && clipRect.renderer) {
                    if (doClip) {
                        group.clip((series.clipRect = chart.clipRect));
                    }
                    clipRect.destroy();
                }
            }, duration);

            series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
            // (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
            series.hasRendered = true;
        },

        /**
         * Redraw the series after an update in the axes.
         */
        redraw: function () {
            var series = this,
                chart = series.chart,
                wasDirtyData = series.isDirtyData, // cache it here as it is set to false in render, but used after
                group = series.group;

            // reposition on resize
            if (group) {
                if (chart.inverted) {
                    group.attr({
                        width: chart.plotWidth,
                        height: chart.plotHeight
                    });
                }

                group.animate({
                    translateX: series.xAxis.left,
                    translateY: series.yAxis.top
                });
            }

            series.translate();
            series.setTooltipPoints(true);

            series.render();
            if (wasDirtyData) {
                fireEvent(series, 'updatedData');
            }
        },

        /**
         * Set the state of the graph
         */
        setState: function (state) {
            var series = this,
                options = series.options,
                graph = series.graph,
                stateOptions = options.states,
                lineWidth = options.lineWidth;

            state = state || NORMAL_STATE;

            if (series.state !== state) {
                series.state = state;

                if (stateOptions[state] && stateOptions[state].enabled === false) {
                    return;
                }

                if (state) {
                    lineWidth = stateOptions[state].lineWidth || lineWidth + 1;
                }

                if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
                    graph.attr({ // use attr because animate will cause any other animation on the graph to stop
                        'stroke-width': lineWidth
                    }, state ? 0 : 500);
                }
            }
        },

        /**
         * Set the visibility of the graph
         *
         * @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
         *        the visibility is toggled.
         */
        setVisible: function (vis, redraw) {
            var series = this,
                chart = series.chart,
                legendItem = series.legendItem,
                seriesGroup = series.group,
                seriesTracker = series.tracker,
                dataLabelsGroup = series.dataLabelsGroup,
                showOrHide,
                i,
                points = series.points,
                point,
                ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
                oldVisibility = series.visible;

            // if called without an argument, toggle visibility
            series.visible = vis = vis === UNDEFINED ? !oldVisibility : vis;
            showOrHide = vis ? 'show' : 'hide';

            // show or hide series
            if (seriesGroup) { // pies don't have one
                seriesGroup[showOrHide]();
            }

            // show or hide trackers
            if (seriesTracker) {
                seriesTracker[showOrHide]();
            } else if (points) {
                i = points.length;
                while (i--) {
                    point = points[i];
                    if (point.tracker) {
                        point.tracker[showOrHide]();
                    }
                }
            }


            if (dataLabelsGroup) {
                dataLabelsGroup[showOrHide]();
            }

            if (legendItem) {
                chart.legend.colorizeItem(series, vis);
            }


            // rescale or adapt to resized chart
            series.isDirty = true;
            // in a stack, all other series are affected
            if (series.options.stacking) {
                each(chart.series, function (otherSeries) {
                    if (otherSeries.options.stacking && otherSeries.visible) {
                        otherSeries.isDirty = true;
                    }
                });
            }

            if (ignoreHiddenSeries) {
                chart.isDirtyBox = true;
            }
            if (redraw !== false) {
                chart.redraw();
            }

            fireEvent(series, showOrHide);
        },

        /**
         * Show the graph
         */
        show: function () {
            this.setVisible(true);
        },

        /**
         * Hide the graph
         */
        hide: function () {
            this.setVisible(false);
        },


        /**
         * Set the selected state of the graph
         *
         * @param selected {Boolean} True to select the series, false to unselect. If
         *        UNDEFINED, the selection state is toggled.
         */
        select: function (selected) {
            var series = this;
            // if called without an argument, toggle
            series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;

            if (series.checkbox) {
                series.checkbox.checked = selected;
            }

            fireEvent(series, selected ? 'select' : 'unselect');
        },

        /**
         * Create a group that holds the tracking object or objects. This allows for
         * individual clipping and placement of each series tracker.
         */
        drawTrackerGroup: function () {
            var trackerGroup = this.trackerGroup,
                chart = this.chart;

            if (this.isCartesian) {

                // Generate it on first call
                if (!trackerGroup) {
                    this.trackerGroup = trackerGroup = chart.renderer.g()
                        .attr({
                            zIndex: this.options.zIndex || 1
                        })
                        .add(chart.trackerGroup);

                }
                // Place it on first and subsequent (redraw) calls
                trackerGroup.translate(this.xAxis.left, this.yAxis.top);

            }

            return trackerGroup;
        },

        /**
         * Draw the tracker object that sits above all data labels and markers to
         * track mouse events on the graph or points. For the line type charts
         * the tracker uses the same graphPath, but with a greater stroke width
         * for better control.
         */
        drawTracker: function () {
            var series = this,
                options = series.options,
                trackByArea = options.trackByArea,
                trackerPath = [].concat(trackByArea ? series.areaPath : series.graphPath),
                trackerPathLength = trackerPath.length,
                chart = series.chart,
                renderer = chart.renderer,
                snap = chart.options.tooltip.snap,
                tracker = series.tracker,
                cursor = options.cursor,
                css = cursor && { cursor: cursor },
                singlePoints = series.singlePoints,
                trackerGroup = series.drawTrackerGroup(),
                singlePoint,
                i;

            // Extend end points. A better way would be to use round linecaps,
            // but those are not clickable in VML.
            if (trackerPathLength && !trackByArea) {
                i = trackerPathLength + 1;
                while (i--) {
                    if (trackerPath[i] === M) { // extend left side
                        trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L);
                    }
                    if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side
                        trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]);
                    }
                }
            }

            // handle single points
            for (i = 0; i < singlePoints.length; i++) {
                singlePoint = singlePoints[i];
                trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY,
                    L, singlePoint.plotX + snap, singlePoint.plotY);
            }


            // draw the tracker
            if (tracker) {
                tracker.attr({ d: trackerPath });

            } else { // create

                series.tracker = renderer.path(trackerPath)
                    .attr({
                        isTracker: true,
                        'stroke-linejoin': 'bevel',
                        visibility: series.visible ? VISIBLE : HIDDEN,
                        stroke: TRACKER_FILL,
                        fill: trackByArea ? TRACKER_FILL : NONE,
                        'stroke-width': options.lineWidth + (trackByArea ? 0 : 2 * snap)
                    })
                    .on(hasTouch ? 'touchstart' : 'mouseover', function () {
                        if (chart.hoverSeries !== series) {
                            series.onMouseOver();
                        }
                    })
                    .on('mouseout', function () {
                        if (!options.stickyTracking) {
                            series.onMouseOut();
                        }
                    })
                    .css(css)
                    .add(trackerGroup);
            }

        }

    }; // end Series prototype


    /**
     * LineSeries object
     */
    var LineSeries = extendClass(Series);
    seriesTypes.line = LineSeries;

    /**
     * Set the default options for area
     */
    defaultPlotOptions.area = merge(defaultSeriesOptions, {
        threshold: 0
        // trackByArea: false,
        // lineColor: null, // overrides color, but lets fillColor be unaltered
        // fillOpacity: 0.75,
        // fillColor: null
    });

    /**
     * AreaSeries object
     */
    var AreaSeries = extendClass(Series, {
        type: 'area',

        /**
         * Extend the base Series getSegmentPath method by adding the path for the area.
         * This path is pushed to the series.areaPath property.
         */
        getSegmentPath: function (segment) {

            var segmentPath = Series.prototype.getSegmentPath.call(this, segment), // call base method
                areaSegmentPath = [].concat(segmentPath), // work on a copy for the area path
                i,
                options = this.options,
                segLength = segmentPath.length,
                translatedThreshold = this.yAxis.getThreshold(options.threshold);

            if (segLength === 3) { // for animation from 1 to two points
                areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
            }
            if (options.stacking && this.type !== 'areaspline') {

                // Follow stack back. Todo: implement areaspline. A general solution could be to 
                // reverse the entire graphPath of the previous series, though may be hard with
                // splines and with series with different extremes
                for (i = segment.length - 1; i >= 0; i--) {

                    // step line?
                    if (i < segment.length - 1 && options.step) {
                        areaSegmentPath.push(segment[i + 1].plotX, segment[i].yBottom);
                    }

                    areaSegmentPath.push(segment[i].plotX, segment[i].yBottom);
                }

            } else { // follow zero line back
                areaSegmentPath.push(
                    L,
                    segment[segment.length - 1].plotX,
                    translatedThreshold,
                    L,
                    segment[0].plotX,
                    translatedThreshold
                );
            }
            this.areaPath = this.areaPath.concat(areaSegmentPath);

            return segmentPath;
        },

        /**
         * Draw the graph and the underlying area. This method calls the Series base
         * function and adds the area. The areaPath is calculated in the getSegmentPath
         * method called from Series.prototype.drawGraph.
         */
        drawGraph: function () {

            // Define or reset areaPath
            this.areaPath = [];

            // Call the base method
            Series.prototype.drawGraph.apply(this);

            // Define local variables
            var areaPath = this.areaPath,
                options = this.options,
                area = this.area;

            // Create or update the area
            if (area) { // update
                area.animate({ d: areaPath });

            } else { // create
                this.area = this.chart.renderer.path(areaPath)
                    .attr({
                        fill: pick(
                            options.fillColor,
                            Color(this.color).setOpacity(options.fillOpacity || 0.75).get()
                        )
                    }).add(this.group);
            }
        },

        /**
         * Get the series' symbol in the legend
         *
         * @param {Object} legend The legend object
         * @param {Object} item The series (this) or point
         */
        drawLegendSymbol: function (legend, item) {

            item.legendSymbol = this.chart.renderer.rect(
                    0,
                    legend.baseline - 11,
                    legend.options.symbolWidth,
                    12,
                    2
                ).attr({
                    zIndex: 3
                }).add(item.legendGroup);

        }
    });

    seriesTypes.area = AreaSeries;
    /**
     * Set the default options for spline
     */
    defaultPlotOptions.spline = merge(defaultSeriesOptions);

    /**
     * SplineSeries object
     */
    var SplineSeries = extendClass(Series, {
        type: 'spline',

        /**
         * Draw the actual graph
         */
        getPointSpline: function (segment, point, i) {
            var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
                denom = smoothing + 1,
                plotX = point.plotX,
                plotY = point.plotY,
                lastPoint = segment[i - 1],
                nextPoint = segment[i + 1],
                leftContX,
                leftContY,
                rightContX,
                rightContY,
                ret;

            // find control points
            if (i && i < segment.length - 1) {
                var lastX = lastPoint.plotX,
                    lastY = lastPoint.plotY,
                    nextX = nextPoint.plotX,
                    nextY = nextPoint.plotY,
                    correction;

                leftContX = (smoothing * plotX + lastX) / denom;
                leftContY = (smoothing * plotY + lastY) / denom;
                rightContX = (smoothing * plotX + nextX) / denom;
                rightContY = (smoothing * plotY + nextY) / denom;

                // have the two control points make a straight line through main point
                correction = ((rightContY - leftContY) * (rightContX - plotX)) /
                    (rightContX - leftContX) + plotY - rightContY;

                leftContY += correction;
                rightContY += correction;

                // to prevent false extremes, check that control points are between
                // neighbouring points' y values
                if (leftContY > lastY && leftContY > plotY) {
                    leftContY = mathMax(lastY, plotY);
                    rightContY = 2 * plotY - leftContY; // mirror of left control point
                } else if (leftContY < lastY && leftContY < plotY) {
                    leftContY = mathMin(lastY, plotY);
                    rightContY = 2 * plotY - leftContY;
                }
                if (rightContY > nextY && rightContY > plotY) {
                    rightContY = mathMax(nextY, plotY);
                    leftContY = 2 * plotY - rightContY;
                } else if (rightContY < nextY && rightContY < plotY) {
                    rightContY = mathMin(nextY, plotY);
                    leftContY = 2 * plotY - rightContY;
                }

                // record for drawing in next point
                point.rightContX = rightContX;
                point.rightContY = rightContY;

            }

            // moveTo or lineTo
            if (!i) {
                ret = [M, plotX, plotY];
            } else { // curve from last point to this
                ret = [
                    'C',
                    lastPoint.rightContX || lastPoint.plotX,
                    lastPoint.rightContY || lastPoint.plotY,
                    leftContX || plotX,
                    leftContY || plotY,
                    plotX,
                    plotY
                ];
                lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
            }
            return ret;
        }
    });
    seriesTypes.spline = SplineSeries;

    /**
     * Set the default options for areaspline
     */
    defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);

    /**
     * AreaSplineSeries object
     */
    var areaProto = AreaSeries.prototype,
        AreaSplineSeries = extendClass(SplineSeries, {
            type: 'areaspline',

            // Mix in methods from the area series
            getSegmentPath: areaProto.getSegmentPath,
            drawGraph: areaProto.drawGraph
        });
    seriesTypes.areaspline = AreaSplineSeries;

    /**
     * Set the default options for column
     */
    defaultPlotOptions.column = merge(defaultSeriesOptions, {
        borderColor: '#FFFFFF',
        borderWidth: 1,
        borderRadius: 0,
        //colorByPoint: undefined,
        groupPadding: 0.2,
        marker: null, // point options are specified in the base options
        pointPadding: 0.1,
        //pointWidth: null,
        minPointLength: 0,
        cropThreshold: 50, // when there are more points, they will not animate out of the chart on xAxis.setExtremes
        pointRange: null, // null means auto, meaning 1 in a categorized axis and least distance between points if not categories
        states: {
            hover: {
                brightness: 0.1,
                shadow: false
            },
            select: {
                color: '#C0C0C0',
                borderColor: '#000000',
                shadow: false
            }
        },
        dataLabels: {
            y: null,
            verticalAlign: null
        },
        threshold: 0
    });

    /**
     * ColumnSeries object
     */
    var ColumnSeries = extendClass(Series, {
        type: 'column',
        tooltipOutsidePlot: true,
        pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
            stroke: 'borderColor',
            'stroke-width': 'borderWidth',
            fill: 'color',
            r: 'borderRadius'
        },
        init: function () {
            Series.prototype.init.apply(this, arguments);

            var series = this,
                chart = series.chart;

            // if the series is added dynamically, force redraw of other
            // series affected by a new column
            if (chart.hasRendered) {
                each(chart.series, function (otherSeries) {
                    if (otherSeries.type === series.type) {
                        otherSeries.isDirty = true;
                    }
                });
            }
        },

        /**
         * Translate each point to the plot area coordinate system and find shape positions
         */
        translate: function () {
            var series = this,
                chart = series.chart,
                options = series.options,
                stacking = options.stacking,
                borderWidth = options.borderWidth,
                columnCount = 0,
                xAxis = series.xAxis,
                reversedXAxis = xAxis.reversed,
                stackGroups = {},
                stackKey,
                columnIndex;

            Series.prototype.translate.apply(series);

            // Get the total number of column type series.
            // This is called on every series. Consider moving this logic to a
            // chart.orderStacks() function and call it on init, addSeries and removeSeries
            each(chart.series, function (otherSeries) {
                if (otherSeries.type === series.type && otherSeries.visible &&
                    series.options.group === otherSeries.options.group) { // used in Stock charts navigator series
                    if (otherSeries.options.stacking) {
                        stackKey = otherSeries.stackKey;
                        if (stackGroups[stackKey] === UNDEFINED) {
                            stackGroups[stackKey] = columnCount++;
                        }
                        columnIndex = stackGroups[stackKey];
                    } else {
                        columnIndex = columnCount++;
                    }
                    otherSeries.columnIndex = columnIndex;
                }
            });

            // calculate the width and position of each column based on
            // the number of column series in the plot, the groupPadding
            // and the pointPadding options
            var points = series.points,
                categoryWidth = mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || 1),
                groupPadding = categoryWidth * options.groupPadding,
                groupWidth = categoryWidth - 2 * groupPadding,
                pointOffsetWidth = groupWidth / columnCount,
                optionPointWidth = options.pointWidth,
                pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 :
                    pointOffsetWidth * options.pointPadding,
                pointWidth = pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), // exact point width, used in polar charts
                barW = mathCeil(mathMax(pointWidth, 1 + 2 * borderWidth)), // rounded and postprocessed for border width
                colIndex = (reversedXAxis ? columnCount -
                    series.columnIndex : series.columnIndex) || 0,
                pointXOffset = pointPadding + (groupPadding + colIndex *
                    pointOffsetWidth - (categoryWidth / 2)) *
                    (reversedXAxis ? -1 : 1),
                threshold = options.threshold,
                translatedThreshold = series.yAxis.getThreshold(threshold),
                minPointLength = pick(options.minPointLength, 5);

            // record the new values
            each(points, function (point) {
                var plotY = point.plotY,
                    yBottom = pick(point.yBottom, translatedThreshold),
                    barX = point.plotX + pointXOffset,
                    barY = mathCeil(mathMin(plotY, yBottom)),
                    barH = mathCeil(mathMax(plotY, yBottom) - barY),
                    stack = series.yAxis.stacks[(point.y < 0 ? '-' : '') + series.stackKey],
                    shapeArgs;

                // Record the offset'ed position and width of the bar to be able to align the stacking total correctly
                if (stacking && series.visible && stack && stack[point.x]) {
                    stack[point.x].setOffset(pointXOffset, barW);
                }

                // handle options.minPointLength
                if (mathAbs(barH) < minPointLength) {
                    if (minPointLength) {
                        barH = minPointLength;
                        barY =
                            mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
                                yBottom - minPointLength : // keep position
                                translatedThreshold - (plotY <= translatedThreshold ? minPointLength : 0);
                    }
                }

                extend(point, {
                    barX: barX,
                    barY: barY,
                    barW: barW,
                    barH: barH,
                    pointWidth: pointWidth
                });

                // create shape type and shape args that are reused in drawPoints and drawTracker
                point.shapeType = 'rect';
                point.shapeArgs = shapeArgs = chart.renderer.Element.prototype.crisp.call(0, borderWidth, barX, barY, barW, barH);

                if (borderWidth % 2) { // correct for shorting in crisp method, visible in stacked columns with 1px border
                    shapeArgs.y -= 1;
                    shapeArgs.height += 1;
                }

                // make small columns responsive to mouse
                point.trackerArgs = mathAbs(barH) < 3 && merge(point.shapeArgs, {
                    height: 6,
                    y: barY - 3
                });
            });

        },

        getSymbol: function () {
        },

        /**
         * Use a solid rectangle like the area series types
         */
        drawLegendSymbol: AreaSeries.prototype.drawLegendSymbol,


        /**
         * Columns have no graph
         */
        drawGraph: function () {
        },

        /**
         * Draw the columns. For bars, the series.group is rotated, so the same coordinates
         * apply for columns and bars. This method is inherited by scatter series.
         *
         */
        drawPoints: function () {
            var series = this,
                options = series.options,
                renderer = series.chart.renderer,
                graphic,
                shapeArgs;


            // draw the columns
            each(series.points, function (point) {
                var plotY = point.plotY;
                if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
                    graphic = point.graphic;
                    shapeArgs = point.shapeArgs;
                    if (graphic) { // update
                        stop(graphic);
                        graphic.animate(merge(shapeArgs));

                    } else {
                        point.graphic = graphic = renderer[point.shapeType](shapeArgs)
                            .attr(point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE])
                            .add(series.group)
                            .shadow(options.shadow, null, options.stacking && !options.borderRadius);
                    }

                }
            });
        },
        /**
         * Draw the individual tracker elements.
         * This method is inherited by scatter and pie charts too.
         */
        drawTracker: function () {
            var series = this,
                chart = series.chart,
                renderer = chart.renderer,
                shapeArgs,
                tracker,
                trackerLabel = +new Date(),
                options = series.options,
                cursor = options.cursor,
                css = cursor && { cursor: cursor },
                trackerGroup = series.drawTrackerGroup(),
                rel,
                plotY,
                validPlotY;

            each(series.points, function (point) {
                tracker = point.tracker;
                shapeArgs = point.trackerArgs || point.shapeArgs;
                plotY = point.plotY;
                validPlotY = !series.isCartesian || (plotY !== UNDEFINED && !isNaN(plotY));
                delete shapeArgs.strokeWidth;
                if (point.y !== null && validPlotY) {
                    if (tracker) {// update
                        tracker.attr(shapeArgs);

                    } else {
                        point.tracker =
                            renderer[point.shapeType](shapeArgs)
                                .attr({
                                    isTracker: trackerLabel,
                                    fill: TRACKER_FILL,
                                    visibility: series.visible ? VISIBLE : HIDDEN
                                })
                                .on(hasTouch ? 'touchstart' : 'mouseover', function (event) {
                                    rel = event.relatedTarget || event.fromElement;
                                    if (chart.hoverSeries !== series && attr(rel, 'isTracker') !== trackerLabel) {
                                        series.onMouseOver();
                                    }
                                    point.onMouseOver();

                                })
                                .on('mouseout', function (event) {
                                    if (!options.stickyTracking) {
                                        rel = event.relatedTarget || event.toElement;
                                        if (attr(rel, 'isTracker') !== trackerLabel) {
                                            series.onMouseOut();
                                        }
                                    }
                                })
                                .css(css)
                                .add(point.group || trackerGroup); // pies have point group - see issue #118
                    }
                }
            });
        },


        /**
         * Animate the column heights one by one from zero
         * @param {Boolean} init Whether to initialize the animation or run it
         */
        animate: function (init) {
            var series = this,
                points = series.points,
                options = series.options;

            if (!init) { // run the animation
                /*
                 * Note: Ideally the animation should be initialized by calling
                 * series.group.hide(), and then calling series.group.show()
                 * after the animation was started. But this rendered the shadows
                 * invisible in IE8 standards mode. If the columns flicker on large
                 * datasets, this is the cause.
                 */

                each(points, function (point) {
                    var graphic = point.graphic,
                        shapeArgs = point.shapeArgs,
                        yAxis = series.yAxis,
                        threshold = options.threshold;

                    if (graphic) {
                        // start values
                        graphic.attr({
                            height: 0,
                            y: defined(threshold) ?
                                yAxis.getThreshold(threshold) :
                                yAxis.translate(yAxis.getExtremes().min, 0, 1, 0, 1)
                        });

                        // animate
                        graphic.animate({
                            height: shapeArgs.height,
                            y: shapeArgs.y
                        }, options.animation);
                    }
                });


                // delete this function to allow it only once
                series.animate = null;
            }

        },
        /**
         * Remove this series from the chart
         */
        remove: function () {
            var series = this,
                chart = series.chart;

            // column and bar series affects other series of the same type
            // as they are either stacked or grouped
            if (chart.hasRendered) {
                each(chart.series, function (otherSeries) {
                    if (otherSeries.type === series.type) {
                        otherSeries.isDirty = true;
                    }
                });
            }

            Series.prototype.remove.apply(series, arguments);
        }
    });
    seriesTypes.column = ColumnSeries;
    /**
     * Set the default options for bar
     */
    defaultPlotOptions.bar = merge(defaultPlotOptions.column, {
        dataLabels: {
            align: 'left',
            x: 5,
            y: null,
            verticalAlign: 'middle'
        }
    });
    /**
     * The Bar series class
     */
    var BarSeries = extendClass(ColumnSeries, {
        type: 'bar',
        inverted: true
    });
    seriesTypes.bar = BarSeries;

    /**
     * Set the default options for scatter
     */
    defaultPlotOptions.scatter = merge(defaultSeriesOptions, {
        lineWidth: 0,
        states: {
            hover: {
                lineWidth: 0
            }
        },
        tooltip: {
            headerFormat: '<span style="font-size: 10px; color:{series.color}">{series.name}</span><br/>',
            pointFormat: 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>'
        }
    });

    /**
     * The scatter series class
     */
    var ScatterSeries = extendClass(Series, {
        type: 'scatter',
        sorted: false,
        /**
         * Extend the base Series' translate method by adding shape type and
         * arguments for the point trackers
         */
        translate: function () {
            var series = this;

            Series.prototype.translate.apply(series);

            each(series.points, function (point) {
                point.shapeType = 'circle';
                point.shapeArgs = {
                    x: point.plotX,
                    y: point.plotY,
                    r: series.chart.options.tooltip.snap
                };
            });
        },

        /**
         * Add tracking event listener to the series group, so the point graphics
         * themselves act as trackers
         */
        drawTracker: function () {
            var series = this,
                cursor = series.options.cursor,
                css = cursor && { cursor: cursor },
                points = series.points,
                i = points.length,
                graphic;

            // Set an expando property for the point index, used below
            while (i--) {
                graphic = points[i].graphic;
                if (graphic) { // doesn't exist for null points
                    graphic.element._i = i;
                }
            }

            // Add the event listeners, we need to do this only once
            if (!series._hasTracking) {
                series.group
                    .attr({
                        isTracker: true
                    })
                    .on(hasTouch ? 'touchstart' : 'mouseover', function (e) {
                        series.onMouseOver();
                        if (e.target._i !== UNDEFINED) { // undefined on graph in scatterchart
                            points[e.target._i].onMouseOver();
                        }
                    })
                    .on('mouseout', function () {
                        if (!series.options.stickyTracking) {
                            series.onMouseOut();
                        }
                    })
                    .css(css);
            } else {
                series._hasTracking = true;
            }

        }
    });
    seriesTypes.scatter = ScatterSeries;

    /**
     * Set the default options for pie
     */
    defaultPlotOptions.pie = merge(defaultSeriesOptions, {
        borderColor: '#FFFFFF',
        borderWidth: 1,
        center: ['50%', '50%'],
        colorByPoint: true, // always true for pies
        dataLabels: {
            // align: null,
            // connectorWidth: 1,
            // connectorColor: point.color,
            // connectorPadding: 5,
            distance: 30,
            enabled: true,
            formatter: function () {
                return this.point.name;
            },
            // softConnector: true,
            y: 5
        },
        //innerSize: 0,
        legendType: 'point',
        marker: null, // point options are specified in the base options
        size: '75%',
        showInLegend: false,
        slicedOffset: 10,
        states: {
            hover: {
                brightness: 0.1,
                shadow: false
            }
        }
    });

    /**
     * Extended point object for pies
     */
    var PiePoint = extendClass(Point, {
        /**
         * Initiate the pie slice
         */
        init: function () {

            Point.prototype.init.apply(this, arguments);

            var point = this,
                toggleSlice;

            //visible: options.visible !== false,
            extend(point, {
                visible: point.visible !== false,
                name: pick(point.name, 'Slice')
            });

            // add event listener for select
            toggleSlice = function () {
                point.slice();
            };
            addEvent(point, 'select', toggleSlice);
            addEvent(point, 'unselect', toggleSlice);

            return point;
        },

        /**
         * Toggle the visibility of the pie slice
         * @param {Boolean} vis Whether to show the slice or not. If undefined, the
         *    visibility is toggled
         */
        setVisible: function (vis) {
            var point = this,
                chart = point.series.chart,
                tracker = point.tracker,
                dataLabel = point.dataLabel,
                connector = point.connector,
                shadowGroup = point.shadowGroup,
                method;

            // if called without an argument, toggle visibility
            point.visible = vis = vis === UNDEFINED ? !point.visible : vis;

            method = vis ? 'show' : 'hide';

            point.group[method]();
            if (tracker) {
                tracker[method]();
            }
            if (dataLabel) {
                dataLabel[method]();
            }
            if (connector) {
                connector[method]();
            }
            if (shadowGroup) {
                shadowGroup[method]();
            }
            if (point.legendItem) {
                chart.legend.colorizeItem(point, vis);
            }
        },

        /**
         * Set or toggle whether the slice is cut out from the pie
         * @param {Boolean} sliced When undefined, the slice state is toggled
         * @param {Boolean} redraw Whether to redraw the chart. True by default.
         */
        slice: function (sliced, redraw, animation) {
            var point = this,
                series = point.series,
                chart = series.chart,
                slicedTranslation = point.slicedTranslation,
                translation;

            setAnimation(animation, chart);

            // redraw is true by default
            redraw = pick(redraw, true);

            // if called without an argument, toggle
            sliced = point.sliced = defined(sliced) ? sliced : !point.sliced;

            translation = {
                translateX: (sliced ? slicedTranslation[0] : chart.plotLeft),
                translateY: (sliced ? slicedTranslation[1] : chart.plotTop)
            };
            point.group.animate(translation);
            if (point.shadowGroup) {
                point.shadowGroup.animate(translation);
            }

        }
    });

    /**
     * The Pie series class
     */
    var PieSeries = {
        type: 'pie',
        isCartesian: false,
        pointClass: PiePoint,
        pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
            stroke: 'borderColor',
            'stroke-width': 'borderWidth',
            fill: 'color'
        },

        /**
         * Pies have one color each point
         */
        getColor: function () {
            // record first color for use in setData
            this.initialColor = this.chart.counters.color;
        },

        /**
         * Animate the pies in
         */
        animate: function () {
            var series = this,
                points = series.points;

            each(points, function (point) {
                var graphic = point.graphic,
                    args = point.shapeArgs,
                    up = -mathPI / 2;

                if (graphic) {
                    // start values
                    graphic.attr({
                        r: 0,
                        start: up,
                        end: up
                    });

                    // animate
                    graphic.animate({
                        r: args.r,
                        start: args.start,
                        end: args.end
                    }, series.options.animation);
                }
            });

            // delete this function to allow it only once
            series.animate = null;

        },

        /**
         * Extend the basic setData method by running processData and generatePoints immediately,
         * in order to access the points from the legend.
         */
        setData: function (data, redraw) {
            Series.prototype.setData.call(this, data, false);
            this.processData();
            this.generatePoints();
            if (pick(redraw, true)) {
                this.chart.redraw();
            }
        },

        /**
         * Get the center of the pie based on the size and center options relative to the
         * plot area. Borrowed by the polar and gauge series types.
         */
        getCenter: function () {

            var options = this.options,
                chart = this.chart,
                plotWidth = chart.plotWidth,
                plotHeight = chart.plotHeight,
                positions = options.center.concat([options.size, options.innerSize || 0]),
                smallestSize = mathMin(plotWidth, plotHeight),
                isPercent;

            return map(positions, function (length, i) {

                isPercent = /%$/.test(length);
                return isPercent ?
                    // i == 0: centerX, relative to width
                    // i == 1: centerY, relative to height
                    // i == 2: size, relative to smallestSize
                    // i == 4: innerSize, relative to smallestSize
                    [plotWidth, plotHeight, smallestSize, smallestSize][i] *
                        pInt(length) / 100 :
                    length;
            });
        },

        /**
         * Do translation for pie slices
         */
        translate: function () {
            this.generatePoints();

            var total = 0,
                series = this,
                cumulative = -0.25, // start at top
                precision = 1000, // issue #172
                options = series.options,
                slicedOffset = options.slicedOffset,
                connectorOffset = slicedOffset + options.borderWidth,
                positions,
                chart = series.chart,
                start,
                end,
                angle,
                points = series.points,
                circ = 2 * mathPI,
                fraction,
                radiusX, // the x component of the radius vector for a given point
                radiusY,
                labelDistance = options.dataLabels.distance;

            // get positions - either an integer or a percentage string must be given
            series.center = positions = series.getCenter();

            // utility for getting the x value from a given y, used for anticollision logic in data labels
            series.getX = function (y, left) {

                angle = math.asin((y - positions[1]) / (positions[2] / 2 + labelDistance));

                return positions[0] +
                    (left ? -1 : 1) *
                        (mathCos(angle) * (positions[2] / 2 + labelDistance));
            };

            // get the total sum
            each(points, function (point) {
                total += point.y;
            });

            each(points, function (point) {
                // set start and end angle
                fraction = total ? point.y / total : 0;
                start = mathRound(cumulative * circ * precision) / precision;
                cumulative += fraction;
                end = mathRound(cumulative * circ * precision) / precision;

                // set the shape
                point.shapeType = 'arc';
                point.shapeArgs = {
                    x: positions[0],
                    y: positions[1],
                    r: positions[2] / 2,
                    innerR: positions[3] / 2,
                    start: start,
                    end: end
                };

                // center for the sliced out slice
                angle = (end + start) / 2;
                point.slicedTranslation = map([
                    mathCos(angle) * slicedOffset + chart.plotLeft,
                    mathSin(angle) * slicedOffset + chart.plotTop
                ], mathRound);

                // set the anchor point for tooltips
                radiusX = mathCos(angle) * positions[2] / 2;
                radiusY = mathSin(angle) * positions[2] / 2;
                point.tooltipPos = [
                    positions[0] + radiusX * 0.7,
                    positions[1] + radiusY * 0.7
                ];

                // set the anchor point for data labels
                point.labelPos = [
                    positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
                    positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
                    positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
                    positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
                    positions[0] + radiusX, // landing point for connector
                    positions[1] + radiusY, // a/a
                    labelDistance < 0 ? // alignment
                        'center' :
                        angle < circ / 4 ? 'left' : 'right', // alignment
                    angle // center angle
                ];

                // API properties
                point.percentage = fraction * 100;
                point.total = total;

            });


            this.setTooltipPoints();
        },

        /**
         * Render the slices
         */
        render: function () {
            var series = this;

            // cache attributes for shapes
            series.getAttribs();

            this.drawPoints();

            // draw the mouse tracking area
            if (series.options.enableMouseTracking !== false) {
                series.drawTracker();
            }

            this.drawDataLabels();

            if (series.options.animation && series.animate) {
                series.animate();
            }

            // (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
            series.isDirty = false; // means data is in accordance with what you see
        },

        /**
         * Draw the data points
         */
        drawPoints: function () {
            var series = this,
                chart = series.chart,
                renderer = chart.renderer,
                groupTranslation,
            //center,
                graphic,
                group,
                shadow = series.options.shadow,
                shadowGroup,
                shapeArgs;

            // draw the slices
            each(series.points, function (point) {
                graphic = point.graphic;
                shapeArgs = point.shapeArgs;
                group = point.group;
                shadowGroup = point.shadowGroup;

                // put the shadow behind all points
                if (shadow && !shadowGroup) {
                    shadowGroup = point.shadowGroup = renderer.g('shadow')
                        .attr({ zIndex: 4 })
                        .add();
                }

                // create the group the first time
                if (!group) {
                    group = point.group = renderer.g('point')
                        .attr({ zIndex: 5 })
                        .add();
                }

                // if the point is sliced, use special translation, else use plot area traslation
                groupTranslation = point.sliced ? point.slicedTranslation : [chart.plotLeft, chart.plotTop];
                group.translate(groupTranslation[0], groupTranslation[1]);
                if (shadowGroup) {
                    shadowGroup.translate(groupTranslation[0], groupTranslation[1]);
                }

                // draw the slice
                if (graphic) {
                    graphic.animate(shapeArgs);
                } else {
                    point.graphic = graphic = renderer.arc(shapeArgs)
                        .setRadialReference(series.center)
                        .attr(extend(
                            point.pointAttr[NORMAL_STATE],
                            { 'stroke-linejoin': 'round' }
                        ))
                        .add(point.group)
                        .shadow(shadow, shadowGroup);

                }

                // detect point specific visibility
                if (point.visible === false) {
                    point.setVisible(false);
                }

            });

        },

        /**
         * Override the base drawDataLabels method by pie specific functionality
         */
        drawDataLabels: function () {
            var series = this,
                data = series.data,
                point,
                chart = series.chart,
                options = series.options.dataLabels,
                connectorPadding = pick(options.connectorPadding, 10),
                connectorWidth = pick(options.connectorWidth, 1),
                connector,
                connectorPath,
                softConnector = pick(options.softConnector, true),
                distanceOption = options.distance,
                seriesCenter = series.center,
                radius = seriesCenter[2] / 2,
                centerY = seriesCenter[1],
                outside = distanceOption > 0,
                dataLabel,
                labelPos,
                labelHeight,
                halves = [// divide the points into right and left halves for anti collision
                    [], // right
                    []  // left
                ],
                x,
                y,
                visibility,
                rankArr,
                sort,
                i = 2,
                j;

            // get out if not enabled
            if (!options.enabled) {
                return;
            }

            // run parent method
            Series.prototype.drawDataLabels.apply(series);

            // arrange points for detection collision
            each(data, function (point) {
                if (point.dataLabel) { // it may have been cancelled in the base method (#407)
                    halves[
                        point.labelPos[7] < mathPI / 2 ? 0 : 1
                        ].push(point);
                }
            });
            halves[1].reverse();

            // define the sorting algorithm
            sort = function (a, b) {
                return b.y - a.y;
            };

            // assume equal label heights
            labelHeight = halves[0][0] && halves[0][0].dataLabel && (halves[0][0].dataLabel.getBBox().height || 21); // 21 is for #968

            /* Loop over the points in each half, starting from the top and bottom
             * of the pie to detect overlapping labels.
             */
            while (i--) {

                var slots = [],
                    slotsLength,
                    usedSlots = [],
                    points = halves[i],
                    pos,
                    length = points.length,
                    slotIndex;

                // Only do anti-collision when we are outside the pie and have connectors (#856)
                if (distanceOption > 0) {

                    // build the slots
                    for (pos = centerY - radius - distanceOption; pos <= centerY + radius + distanceOption; pos += labelHeight) {
                        slots.push(pos);
                        // visualize the slot
                        /*
                         var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
                         slotY = pos + chart.plotTop;
                         if (!isNaN(slotX)) {
                         chart.renderer.rect(slotX, slotY - 7, 100, labelHeight)
                         .attr({
                         'stroke-width': 1,
                         stroke: 'silver'
                         })
                         .add();
                         chart.renderer.text('Slot '+ (slots.length - 1), slotX, slotY + 4)
                         .attr({
                         fill: 'silver'
                         }).add();
                         }
                         // */
                    }
                    slotsLength = slots.length;

                    // if there are more values than available slots, remove lowest values
                    if (length > slotsLength) {
                        // create an array for sorting and ranking the points within each quarter
                        rankArr = [].concat(points);
                        rankArr.sort(sort);
                        j = length;
                        while (j--) {
                            rankArr[j].rank = j;
                        }
                        j = length;
                        while (j--) {
                            if (points[j].rank >= slotsLength) {
                                points.splice(j, 1);
                            }
                        }
                        length = points.length;
                    }

                    // The label goes to the nearest open slot, but not closer to the edge than
                    // the label's index.
                    for (j = 0; j < length; j++) {

                        point = points[j];
                        labelPos = point.labelPos;

                        var closest = 9999,
                            distance,
                            slotI;

                        // find the closest slot index
                        for (slotI = 0; slotI < slotsLength; slotI++) {
                            distance = mathAbs(slots[slotI] - labelPos[1]);
                            if (distance < closest) {
                                closest = distance;
                                slotIndex = slotI;
                            }
                        }

                        // if that slot index is closer to the edges of the slots, move it
                        // to the closest appropriate slot
                        if (slotIndex < j && slots[j] !== null) { // cluster at the top
                            slotIndex = j;
                        } else if (slotsLength < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
                            slotIndex = slotsLength - length + j;
                            while (slots[slotIndex] === null) { // make sure it is not taken
                                slotIndex++;
                            }
                        } else {
                            // Slot is taken, find next free slot below. In the next run, the next slice will find the
                            // slot above these, because it is the closest one
                            while (slots[slotIndex] === null) { // make sure it is not taken
                                slotIndex++;
                            }
                        }

                        usedSlots.push({ i: slotIndex, y: slots[slotIndex] });
                        slots[slotIndex] = null; // mark as taken
                    }
                    // sort them in order to fill in from the top
                    usedSlots.sort(sort);
                }

                // now the used slots are sorted, fill them up sequentially
                for (j = 0; j < length; j++) {

                    var slot, naturalY;

                    point = points[j];
                    labelPos = point.labelPos;
                    dataLabel = point.dataLabel;
                    visibility = point.visible === false ? HIDDEN : VISIBLE;
                    naturalY = labelPos[1];

                    if (distanceOption > 0) {
                        slot = usedSlots.pop();
                        slotIndex = slot.i;

                        // if the slot next to currrent slot is free, the y value is allowed
                        // to fall back to the natural position
                        y = slot.y;
                        if ((naturalY > y && slots[slotIndex + 1] !== null) ||
                            (naturalY < y && slots[slotIndex - 1] !== null)) {
                            y = naturalY;
                        }

                    } else {
                        y = naturalY;
                    }

                    // get the x - use the natural x position for first and last slot, to prevent the top
                    // and botton slice connectors from touching each other on either side
                    x = options.justify ?
                        seriesCenter[0] + (i ? -1 : 1) * (radius + distanceOption) :
                        series.getX(slotIndex === 0 || slotIndex === slots.length - 1 ? naturalY : y, i);

                    // move or place the data label
                    dataLabel
                        .attr({
                            visibility: visibility,
                            align: labelPos[6]
                        })[dataLabel.moved ? 'animate' : 'attr']({
                        x: x + options.x +
                            ({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
                        y: y + options.y
                    });
                    dataLabel.moved = true;

                    // draw the connector
                    if (outside && connectorWidth) {
                        connector = point.connector;

                        connectorPath = softConnector ? [
                            M,
                            x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
                            'C',
                            x, y, // first break, next to the label
                            2 * labelPos[2] - labelPos[4], 2 * labelPos[3] - labelPos[5],
                            labelPos[2], labelPos[3], // second break
                            L,
                            labelPos[4], labelPos[5] // base
                        ] : [
                            M,
                            x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
                            L,
                            labelPos[2], labelPos[3], // second break
                            L,
                            labelPos[4], labelPos[5] // base
                        ];

                        if (connector) {
                            connector.animate({ d: connectorPath });
                            connector.attr('visibility', visibility);

                        } else {
                            point.connector = connector = series.chart.renderer.path(connectorPath).attr({
                                'stroke-width': connectorWidth,
                                stroke: options.connectorColor || point.color || '#606060',
                                visibility: visibility,
                                zIndex: 3
                            })
                                .translate(chart.plotLeft, chart.plotTop)
                                .add();
                        }
                    }
                }
            }
        },

        /**
         * Draw point specific tracker objects. Inherit directly from column series.
         */
        drawTracker: ColumnSeries.prototype.drawTracker,

        /**
         * Use a simple symbol from column prototype
         */
        drawLegendSymbol: AreaSeries.prototype.drawLegendSymbol,

        /**
         * Pies don't have point marker symbols
         */
        getSymbol: function () {
        }

    };
    PieSeries = extendClass(Series, PieSeries);
    seriesTypes.pie = PieSeries;


// global variables
    extend(Highcharts, {

        // Constructors
        Axis: Axis,
        CanVGRenderer: CanVGRenderer,
        Chart: Chart,
        Color: Color,
        Legend: Legend,
        Point: Point,
        Tick: Tick,
        Tooltip: Tooltip,
        Renderer: Renderer,
        Series: Series,
        SVGRenderer: SVGRenderer,
        VMLRenderer: VMLRenderer,

        // Various
        dateFormat: dateFormat,
        pathAnim: pathAnim,
        getOptions: getOptions,
        hasBidiBug: hasBidiBug,
        numberFormat: numberFormat,
        seriesTypes: seriesTypes,
        setOptions: setOptions,
        addEvent: addEvent,
        removeEvent: removeEvent,
        createElement: createElement,
        discardElement: discardElement,
        css: css,
        each: each,
        extend: extend,
        map: map,
        merge: merge,
        pick: pick,
        splat: splat,
        extendClass: extendClass,
        pInt: pInt,
        product: 'Highcharts',
        version: '2.2.5'
    });
}());
