highcharts.src.js

// ==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'
});
}());