text: // ==ClosureCompiler==
  // @compilation_level SIMPLE_OPTIMIZATIONS
  
  /**
   * @license Highcharts JS v3.0.6 (2013-10-04)
   *
   * (c) 2009-2013 Torstein Hønsi
   *
   * License: www.highcharts.com/license
   */
  
  // JSLint options:
  /*global Highcharts, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console, each, grep */
  
  (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,
  	isOpera = win.opera,
  	isIE = /msie/i.test(userAgent) && !isOpera,
  	docMode8 = doc.documentMode === 8,
  	isWebKit = /AppleWebKit/.test(userAgent),
  	isFirefox = /Firefox/.test(userAgent),
  	isTouchDevice = /(Mobile|Android|Windows Phone)/.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 () {},
  	charts = [],
  	PRODUCT = 'Highcharts',
  	VERSION = '3.0.6',
  
  	// 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)
  	 * IE10: 0.0001 (exporting only)
  	 * FF: 0.00000000001 (unlimited)
  	 * Chrome: 0.000001
  	 * Safari: 0.000001
  	 * Opera: 0.00000000001 (unlimited)
  	 */
  	TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.0001 : 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
  	LINEAR_GRADIENT = 'linearGradient',
  	STOPS = 'stops',
  	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 = win.Highcharts ? error(16, true) : {};
  
  /**
   * 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;
  }
  	
  /**
   * Deep merge two or more objects and return a third object.
   * Previously this function redirected to jQuery.extend(true), but this had two limitations.
   * First, it deep merged arrays, which lead to workarounds in Highcharts. Second,
   * it copied properties from extended prototypes. 
   */
  function merge() {
  	var i,
  		len = arguments.length,
  		ret = {},
  		doCopy = function (copy, original) {
  			var value, key;
  
  			// An object is replacing a primitive
  			if (typeof copy !== 'object') {
  				copy = {};
  			}
  
  			for (key in original) {
  				if (original.hasOwnProperty(key)) {
  					value = original[key];
  
  					// Copy the contents of objects, but not arrays or DOM nodes
  					if (value && typeof value === 'object' && Object.prototype.toString.call(value) !== '[object Array]'
  							&& typeof value.nodeType !== 'number') {
  						copy[key] = doCopy(copy[key] || {}, value);
  				
  					// Primitives and arrays are copied over directly
  					} else {
  						copy[key] = original[key];
  					}
  				}
  			}
  			return copy;
  		};
  
  	// For each argument, extend the return
  	for (i = 0; i < len; i++) {
  		ret = doCopy(ret, arguments[i]);
  	}
  
  	return ret;
  }
  
  /**
   * 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 material or an abject of key-value pairs
   * @param {String} value The value if a single material 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 material 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;
  }
  
  /**
   * 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 || 0,
  		c = decimals === -1 ?
  			(n.toString().split('.')[1] || '').length : // preserve decimals
  			(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).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;
  }
  
  /**
   * Wrap a method with extended functionality, preserving the original function
   * @param {Object} obj The context object that the method belongs to 
   * @param {String} method The name of the method to extend
   * @param {Function} func A wrapper function callback. This function is called with the same arguments
   * as the original function, except that the original function is unshifted and passed as the first 
   * argument. 
   */
  function wrap(obj, method, func) {
  	var proceed = obj[method];
  	obj[method] = function () {
  		var args = Array.prototype.slice.call(arguments);
  		args.unshift(proceed);
  		return func.apply(this, args);
  	};
  }
  
  /**
   * 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,
  
  		// List all format keys. Custom formats can be added from the outside. 
  		replacements = extend({
  
  			// 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)
  		}, Highcharts.dateFormats);
  
  
  	// do the replaces
  	for (key in replacements) {
  		while (format.indexOf('%' + key) !== -1) { // regex would do it in one line, but this is faster
  			format = format.replace('%' + key, typeof replacements[key] === 'function' ? replacements[key](timestamp) : replacements[key]);
  		}
  	}
  
  	// Optionally capitalize the string and return
  	return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
  };
  
  /** 
   * Format a single variable. Similar to sprintf, without the % prefix.
   */
  function formatSingle(format, val) {
  	var floatRegex = /f$/,
  		decRegex = /\.([0-9])/,
  		lang = defaultOptions.lang,
  		decimals;
  
  	if (floatRegex.test(format)) { // float
  		decimals = format.match(decRegex);
  		decimals = decimals ? decimals[1] : -1;
  		val = numberFormat(
  			val,
  			decimals,
  			lang.decimalPoint,
  			format.indexOf(',') > -1 ? lang.thousandsSep : ''
  		);
  	} else {
  		val = dateFormat(format, val);
  	}
  	return val;
  }
  
  /**
   * Format a string according to a subset of the rules of Python's String.format method.
   */
  function format(str, ctx) {
  	var splitter = '{',
  		isInside = false,
  		segment,
  		valueAndFormat,
  		path,
  		i,
  		len,
  		ret = [],
  		val,
  		index;
  	
  	while ((index = str.indexOf(splitter)) !== -1) {
  		
  		segment = str.slice(0, index);
  		if (isInside) { // we're on the closing bracket looking back
  			
  			valueAndFormat = segment.split(':');
  			path = valueAndFormat.shift().split('.'); // get first and leave format
  			len = path.length;
  			val = ctx;
  
  			// Assign deeper paths
  			for (i = 0; i < len; i++) {
  				val = val[path[i]];
  			}
  
  			// Format the replacement
  			if (valueAndFormat.length) {
  				val = formatSingle(valueAndFormat.join(':'), val);
  			}
  
  			// Push the result and advance the cursor
  			ret.push(val);
  			
  		} else {
  			ret.push(segment);
  			
  		}
  		str = str.slice(index + 1); // the rest
  		isInside = !isInside; // toggle
  		splitter = isInside ? '}' : '{'; // now look for next matching bracket
  	}
  	ret.push(str);
  	return ret.join('');
  }
  
  /**
   * Get the magnitude of a number
   */
  function getMagnitude(num) {
  	return math.pow(10, mathFloor(math.log(num) / math.LN10));
  }
  
  /**
   * 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];
  	}
  
  	// get the count
  	count = normalizeTickInterval(
  		tickInterval / interval, 
  		multiples,
  		unit[0] === YEAR ? getMagnitude(tickInterval / interval) : 1 // #1913
  	);
  	
  	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 (defined(min)) { // #1300
  		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;
  			}
  	
  			i++;
  		}
  	
  		// push the last time
  		tickPositions.push(time);
  
  
  		// mark new days if the time is dividible by day (#1649, #1760)
  		each(grep(tickPositions, function (time) {
  			return interval <= timeUnits[HOUR] && time % timeUnits[DAY] === timezoneOffset;
  		}), function (time) {
  			higherRanks[time] = DAY;
  		});
  	}
  
  
  	// 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 material is
   * then delete'ed.
   * @param {Object} The object to destroy properties on
   * @param {Object} Exception, do not destroy this material, 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 material 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)
  	);
  }
  
  /**
   * 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);
  }
  
  /**
   * 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, 31 * 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 && start.length === end.length) {
  			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;
  	}
  };
  
  (function ($) {
  	/**
  	 * The default HighchartsAdapter for jQuery
  	 */
  	win.HighchartsAdapter = win.HighchartsAdapter || ($ && {
  		
  		/**
  		 * Initialize the adapter by applying some extensions to jQuery
  		 */
  		init: function (pathAnim) {
  			
  			// extend the animate function to allow SVG animations
  			var Fx = $.fx,
  				Step = Fx.step,
  				dSetter,
  				Tween = $.Tween,
  				propHooks = Tween && Tween.propHooks,
  				opacityHook = $.cssHooks.opacity;
  			
  			/*jslint unparam: true*//* allow unused param x in this function */
  			$.extend($.easing, {
  				easeOutQuad: function (x, t, b, c, d) {
  					return -c * (t /= d) * (t - 2) + b;
  				}
  			});
  			/*jslint unparam: false*/
  		
  			// extend some methods to check for elem.attr, which means it is a Highcharts SVG object
  			$.each(['cur', '_default', 'width', 'height', 'opacity'], function (i, fn) {
  				var obj = Step,
  					base,
  					elem;
  					
  				// Handle different parent objects
  				if (fn === 'cur') {
  					obj = Fx.prototype; // 'cur', the getter, relates to Fx.prototype
  				
  				} else if (fn === '_default' && Tween) { // jQuery 1.8 model
  					obj = 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) {
  		
  						// Fx.prototype.cur does not use fx argument
  						fx = i ? fx : this;
  
  						// Don't run animations on textual properties like align (#1821)
  						if (fx.prop === 'align') {
  							return;
  						}
  		
  						// shortcut
  						elem = fx.elem;
  		
  						// Fx.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
  					};
  				}
  			});
  
  			// Extend the opacity getter, needed for fading opacity with IE9 and jQuery 1.10+
  			wrap(opacityHook, 'get', function (proceed, elem, computed) {
  				return elem.attr ? (elem.opacity || 0) : proceed.call(this, elem, computed);
  			});
  			
  			
  			// Define the setter function for d (path definitions)
  			dSetter = function (fx) {
  				var elem = fx.elem,
  					ends;
  		
  				// 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) {
  					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));
  			};
  			
  			// jQuery 1.8 style
  			if (Tween) {
  				propHooks.d = {
  					set: dSetter
  				};
  			// pre 1.8
  			} else {
  				// animate paths
  				Step.d = dSetter;
  			}
  			
  			/**
  			 * Utility for iterating over an array. Parameters are reversed compared to jQuery.
  			 * @param {Array} arr
  			 * @param {Function} fn
  			 */
  			this.each = Array.prototype.forEach ?
  				function (arr, fn) { // modern browsers
  					return Array.prototype.forEach.call(arr, fn);
  					
  				} : 
  				function (arr, fn) { // legacy
  					var i = 0, 
  						len = arr.length;
  					for (; i < len; i++) {
  						if (fn.call(arr[i], arr[i], i, arr) === false) {
  							return i;
  						}
  					}
  				};
  			
  			/**
  			 * Register Highcharts as a plugin in the respective framework
  			 */
  			$.fn.highcharts = function () {
  				var constr = 'Chart', // default constructor
  					args = arguments,
  					options,
  					ret,
  					chart;
  
  				if (isString(args[0])) {
  					constr = args[0];
  					args = Array.prototype.slice.call(args, 1); 
  				}
  				options = args[0];
  
  				// Create the chart
  				if (options !== UNDEFINED) {
  					/*jslint unused:false*/
  					options.chart = options.chart || {};
  					options.chart.renderTo = this[0];
  					chart = new Highcharts[constr](options, args[1]);
  					ret = this;
  					/*jslint unused:true*/
  				}
  
  				// When called without parameters or with the return argument, get a predefined chart
  				if (options === UNDEFINED) {
  					ret = charts[attr(this[0], 'data-highcharts-chart')];
  				}	
  
  				return ret;
  			};
  
  		},
  
  		
  		/**
  		 * Downloads a script and executes a callback when done.
  		 * @param {String} scriptLocation
  		 * @param {Function} callback
  		 */
  		getScript: $.getScript,
  		
  		/**
  		 * Return the index of an item in an array, or -1 if not found
  		 */
  		inArray: $.inArray,
  		
  		/**
  		 * 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 $(elem)[method]();
  		},
  	
  		/**
  		 * Filter an array
  		 */
  		grep: $.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;
  	
  		},
  	
  		/**
  		 * Get the position of an element relative to the top left of the page
  		 */
  		offset: function (el) {
  			return $(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) {
  			$(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 && !el[func]) {
  				el[func] = function () {};
  			}
  	
  			$(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 = $.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.
  			/*jslint unparam: true*/
  			$.each(['preventDefault', 'stopPropagation'], function (i, fn) {
  				var base = event[fn];
  				event[fn] = function () {
  					try {
  						base.call(event);
  					} catch (e) {
  						if (fn === 'preventDefault') {
  							defaultPrevented = true;
  						}
  					}
  				};
  			});
  			/*jslint unparam: false*/
  	
  			// trigger it
  			$(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) {
  			var ret = e.originalEvent || e;
  			
  			// computed by jQuery, needed by IE8
  			if (ret.pageX === UNDEFINED) { // #1236
  				ret.pageX = e.pageX;
  				ret.pageY = e.pageY;
  			}
  			
  			return ret;
  		},
  	
  		/**
  		 * 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 = $(el);
  			if (!el.style) {
  				el.style = {}; // #1881
  			}
  			if (params.d) {
  				el.toD = params.d; // keep the array form for paths, used in $.fx.step.d
  				params.d = 1; // because in jQuery, animating to an array has a different meaning
  			}
  	
  			$el.stop();
  			if (params.opacity !== UNDEFINED && el.attr) {
  				params.opacity += 'px'; // force jQuery to use same logic as width and height (#2161)
  			}
  			$el.animate(params, options);
  	
  		},
  		/**
  		 * Stop running animation
  		 */
  		stop: function (el) {
  			$(el).stop();
  		}
  	});
  }(win.jQuery));
  
  
  // check for a custom HighchartsAdapter defined prior to this file
  var globalAdapter = win.HighchartsAdapter,
  	adapter = globalAdapter || {};
  	
  // Initialize the adapter
  if (globalAdapter) {
  	globalAdapter.init.call(globalAdapter, pathAnim);
  }
  
  
  // 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.
  var adapterRun = adapter.adapterRun,
  	getScript = adapter.getScript,
  	inArray = adapter.inArray,
  	each = adapter.each,
  	grep = adapter.grep,
  	offset = adapter.offset,
  	map = adapter.map,
  	addEvent = adapter.addEvent,
  	removeEvent = adapter.removeEvent,
  	fireEvent = adapter.fireEvent,
  	washMouseEvent = adapter.washMouseEvent,
  	animate = adapter.animate,
  	stop = adapter.stop;
  
  
  
  /* ****************************************************************************
   * Handle the options                                                         *
   *****************************************************************************/
  var
  
  defaultLabelOptions = {
  	enabled: true,
  	// rotation: 0,
  	// align: 'center',
  	x: 0,
  	y: 15,
  	/*formatter: function () {
  		return this.value;
  	},*/
  	style: {
  		color: '#666',
  		cursor: 'default',
  		fontSize: '11px',
  		lineHeight: '14px'
  	}
  };
  
  defaultOptions = {
  	colors: ['#2f7ed8', '#0d233a', '#8bbc21', '#910000', '#1aadce', '#492970',
  		'#f28f43', '#77a1e5', '#c42525', '#a6c96a'],
  	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: '.',
  		numericSymbols: ['k', 'M', 'G', 'T', 'P', 'E'], // SI prefixes used in axis labels
  		resetZoom: 'Reset zoom',
  		resetZoomTitle: 'Reset zoom level 1:1',
  		thousandsSep: ','
  	},
  	global: {
  		useUTC: true,
  		canvasToolsURL: 'http://code.highcharts.com/3.0.6/modules/canvas-tools.js',
  		VMLRadialGradientURL: 'http://code.highcharts.com/3.0.6/gfx/vml-radial-gradient.png'
  	},
  	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,
  		spacing: [10, 10, 15, 10],
  		//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: null,
  		style: {
  			color: '#274b6d',//#3E576F',
  			fontSize: '16px'
  		}
  
  	},
  	subtitle: {
  		text: '',
  		align: 'center',
  		// floating: false
  		// x: 0,
  		// verticalAlign: 'top',
  		// y: null,
  		style: {
  			color: '#4d759e'
  		}
  	},
  
  	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: false,
  			// stacking: null,
  			marker: {
  				enabled: true,
  				//symbol: null,
  				lineWidth: 0,
  				radius: 4,
  				lineColor: '#FFFFFF',
  				//fillColor: null,
  				states: { // states for a single point
  					hover: {
  						enabled: true
  						//radius: base + 2
  					},
  					select: {
  						fillColor: '#FFFFFF',
  						lineColor: '#000000',
  						lineWidth: 2
  					}
  				}
  			},
  			point: {
  				events: {}
  			},
  			dataLabels: merge(defaultLabelOptions, {
  				align: 'center',
  				enabled: false,
  				formatter: function () {
  					return this.y === null ? '' : numberFormat(this.y, -1);
  				},
  				verticalAlign: 'bottom', // above singular point
  				y: 0
  				// 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: '#274b6d',
  			// arrowSize: 12
  			inactiveColor: '#CCC'
  			// style: {} // text styles
  		},
  		// margin: 10,
  		// reversed: false,
  		shadow: false,
  		// backgroundColor: null,
  		/*style: {
  			padding: '5px'
  		},*/
  		itemStyle: {
  			cursor: 'pointer',
  			color: '#274b6d',
  			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,
  		title: {
  			//text: null,
  			style: {
  				fontWeight: 'bold'
  			}
  		}			
  	},
  
  	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,
  		animation: hasSVG,
  		//crosshairs: null,
  		backgroundColor: 'rgba(255, 255, 255, .85)',
  		borderWidth: 1,
  		borderRadius: 3,
  		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: false,
  		snap: isTouchDevice ? 25 : 10,
  		style: {
  			color: '#333333',
  			cursor: 'default',
  			fontSize: '12px',
  			padding: '8px',
  			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: '9px'
  		}
  	}
  };
  
  
  
  
  // 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, stops;
  
  	/**
  	 * Parse the input color to rgba array
  	 * @param {String} input
  	 */
  	function init(input) {
  
  		// Gradients
  		if (input && input.stops) {
  			stops = map(input.stops, function (stop) {
  				return Color(stop[1]);
  			});
  
  		// Solid colors
  		} else {
  			// 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];
  				} else {
  					// rgb
  					result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(input);
  					if (result) {
  						rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), 1];
  					}
  				}
  			}
  		}		
  
  	}
  	/**
  	 * Return the color a specified format
  	 * @param {String} format
  	 */
  	function get(format) {
  		var ret;
  
  		if (stops) {
  			ret = merge(input);
  			ret.stops = [].concat(ret.stops);
  			each(stops, function (stop, i) {
  				ret.stops[i] = [ret.stops[i][0], stop.get(format)];
  			});
  
  		// it's NaN if gradient colors on a column chart
  		} else 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 (stops) {
  			each(stops, function (stop) {
  				stop.brighten(alpha);
  			});
  		
  		} else 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,
  		rgba: rgba,
  		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 = {};
  	},
  	/**
  	 * Default base for animation
  	 */
  	opacity: 1,
  	/**
  	 * 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.toLowerCase(), // Android2 requires lower for "text"
  			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' && key !== 'fill') { // '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].call(wrapper, 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);
  							}
  						}
  
  					} else if (wrapper.rotation && (key === 'x' || key === 'y')) {
  						doTransform = true;
  
  					// 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' || key === 'scaleX' || key === 'scaleY') {
  						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]) * pick(hash['stroke-width'], wrapper['stroke-width']);
  							}
  							value = value.join(',');
  						}
  
  					// 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';
  					}
  
  					// In Chrome/Win < 6 as well as Batik, the stroke attribute can't be set when the stroke-
  					// width is 0. #1369
  					if (key === 'stroke-width' || key === 'stroke') {
  						wrapper[key] = value;
  						// Only apply the stroke attribute if the stroke width is defined and larger than 0
  						if (wrapper.stroke && wrapper['stroke-width']) {
  							attr(element, 'stroke', wrapper.stroke);
  							attr(element, 'stroke-width', wrapper['stroke-width']);
  							wrapper.hasStroke = true;
  						} else if (key === 'stroke-width' && value === 0 && wrapper.hasStroke) {
  							element.removeAttribute('stroke');
  							wrapper.hasStroke = false;
  						}
  						skipAttr = true;
  					}
  
  					// 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|cx|cy|r)$/.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;
  
  
  					if (key === 'text') {
  						// Delete bBox memo when the text changes
  						if (value !== wrapper.textStr) {
  							delete wrapper.bBox;
  						}
  						wrapper.textStr = value;
  						if (wrapper.added) {
  							renderer.buildText(wrapper);
  						}
  					} else if (!skipAttr) {
  						attr(element, key, value);
  					}
  
  				}
  
  			}
  
  			// Update transform. Do this outside the loop to prevent redundant updating for batch setting
  			// of attributes.
  			if (doTransform) {
  				wrapper.updateTransform();
  			}
  
  		}
  
  		return ret;
  	},
  
  
  	/**
  	 * Add a class name to an element
  	 */
  	addClass: function (className) {
  		var element = this.element,
  			currentClassName = attr(element, 'class') || '';
  
  		if (currentClassName.indexOf(className) === -1) {
  			attr(element, 'class', currentClassName + ' ' + className);
  		}
  		return this;
  	},
  	/* hasClass and removeClass are not (yet) needed
  	hasClass: function (className) {
  		return attr(this.element, 'class').indexOf(className) !== -1;
  	},
  	removeClass: function (className) {
  		attr(this.element, 'class', attr(this.element, 'class').replace(className, ''));
  		return this;
  	},
  	*/
  
  	/**
  	 * 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', clipRect ? 'url(' + this.renderer.url + '#' + clipRect.id + ')' : NONE);
  	},
  
  	/**
  	 * 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.toLowerCase() === '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;
  
  
  		// Don't handle line wrap on canvas
  		if (useCanVG && textWidth) {
  			delete styles.width;
  		}
  
  		// 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] + ';';
  			}
  			attr(elem, 'style', serializedCss); // #1881
  		}
  
  
  		// 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 svgElement = this,
  			element = svgElement.element;
  		
  		// touch
  		if (hasTouch && eventType === 'click') {
  			element.ontouchstart = function (e) {			
  				svgElement.touchEventFired = Date.now();				
  				e.preventDefault();
  				handler.call(element, e);
  			};
  			element.onclick = function (e) {												
  				if (userAgent.indexOf('Android') === -1 || Date.now() - (svgElement.touchEventFired || 0) > 1100) { // #2269
  					handler.call(element, e);
  				}
  			};			
  		} else {
  			// simplest possible event model for internal use
  			element['on' + eventType] = handler;
  		}
  		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 () {
  		var wrapper = this,
  			element = wrapper.element,
  			bBox = wrapper.bBox;
  
  		// faking getBBox in exported SVG in legacy IE
  		if (!bBox) {
  			// faking getBBox in exported SVG in legacy IE (is this a duplicate of the fix for #1079?)
  			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
  		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);
  
  					wrapper.setSpanRotation(rotation, sintheta, costheta);
  
  				}
  
  				width = pick(wrapper.elemWidth, elem.offsetWidth);
  				height = pick(wrapper.elemHeight, elem.offsetHeight);
  
  				// update textWidth
  				if (width > textWidth && /[ \-]/.test(elem.textContent || elem.innerText)) { // #983, #1254
  					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
  			});
  
  			// force reflow in webkit to apply the left and top on useHTML element (#1249)
  			if (isWebKit) {
  				height = elem.offsetHeight; // assigned to height for JSLint purpose
  			}
  
  			// record current text transform
  			wrapper.cTT = currentTextTransform;
  		}
  	},
  
  	/**
  	 * Set the rotation of an individual HTML span
  	 */
  	setSpanRotation: function (rotation) {
  		var rotationStyle = {},
  			cssTransformKey = isIE ? '-ms-transform' : isWebKit ? '-webkit-transform' : isFirefox ? 'MozTransform' : isOpera ? '-o-transform' : '';
  
  		rotationStyle[cssTransformKey] = rotationStyle.transform = 'rotate(' + rotation + 'deg)';
  		css(this.element, rotationStyle);
  	},
  
  	/**
  	 * Private method to update the transform attribute based on internal
  	 * properties
  	 */
  	updateTransform: function () {
  		var wrapper = this,
  			translateX = wrapper.translateX || 0,
  			translateY = wrapper.translateY || 0,
  			scaleX = wrapper.scaleX,
  			scaleY = wrapper.scaleY,
  			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. Nearly all transformed elements have translation, so instead
  		// of checking for translate = 0, do it always (#1767, #1846).
  		transform = ['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) + ')');
  		}
  
  		// apply scale
  		if (defined(scaleX) || defined(scaleY)) {
  			transform.push('scale(' + pick(scaleX, 1) + ' ' + pick(scaleY, 1) + ')');
  		}
  
  		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 {String[Object} box The box to align to, needs a width and height. When the
  	 *        box is a string, it refers to an object in the Renderer. For example, when
  	 *        box is 'spacingBox', it refers to Renderer.spacingBox which holds width, height
  	 *        x and y properties.
  	 *
  	 */
  	align: function (alignOptions, alignByTranslate, box) {
  		var align,
  			vAlign,
  			x,
  			y,
  			attribs = {},
  			alignTo,
  			renderer = this.renderer,
  			alignedObjects = renderer.alignedObjects;
  
  		// First call on instanciate
  		if (alignOptions) {
  			this.alignOptions = alignOptions;
  			this.alignByTranslate = alignByTranslate;
  			if (!box || isString(box)) { // boxes other than renderer handle this internally
  				this.alignTo = alignTo = box || 'renderer';
  				erase(alignedObjects, this); // prevent duplicates, like legendGroup after resize
  				alignedObjects.push(this);
  				box = null; // reassign it below
  			}
  
  		// When called on resize, no arguments are supplied
  		} else {
  			alignOptions = this.alignOptions;
  			alignByTranslate = this.alignByTranslate;
  			alignTo = this.alignTo;
  		}
  
  		box = pick(box, renderer[alignTo], renderer);
  
  		// Assign variables
  		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
  
  		// Align
  		if (align === 'right' || align === 'center') {
  			x += (box.width - (alignOptions.width || 0)) /
  					{ right: 1, center: 2 }[align];
  		}
  		attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);
  
  
  		// Vertical align
  		if (vAlign === 'bottom' || vAlign === 'middle') {
  			y += (box.height - (alignOptions.height || 0)) /
  					({ bottom: 1, middle: 2 }[vAlign] || 1);
  
  		}
  		attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);
  
  		// Animate only if already placed
  		this[this.placed ? 'animate' : 'attr'](attribs);
  		this.placed = true;
  		this.alignAttr = attribs;
  
  		return this;
  	},
  
  	/**
  	 * Get the bounding box (width, height, x and y) for the element
  	 */
  	getBBox: function () {
  		var wrapper = this,
  			bBox = wrapper.bBox,
  			renderer = wrapper.renderer,
  			width,
  			height,
  			rotation = wrapper.rotation,
  			element = wrapper.element,
  			styles = wrapper.styles,
  			rad = rotation * deg2rad;
  
  		if (!bBox) {
  			// SVG elements
  			if (element.namespaceURI === SVG_NS || 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 };
  				}
  
  
  			// VML Renderer or useHTML within SVG
  			} else {
  
  				bBox = wrapper.htmlGetBBox();
  
  			}
  
  			// True SVG elements as well as HTML elements in modern browsers using the .useHTML option
  			// need to compensated for rotation
  			if (renderer.isSVG) {
  				width = bBox.width;
  				height = bBox.height;
  
  				// Workaround for wrong bounding box in IE9 and IE10 (#1101, #1505, #1669)
  				if (isIE && styles && styles.fontSize === '11px' && height.toPrecision(3) === '22.7') {
  					bBox.height = height = 14;
  				}
  
  				// 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));
  				}
  			}
  
  			wrapper.bBox = bBox;
  		}
  		return bBox;
  	},
  
  	/**
  	 * Show the element
  	 */
  	show: function () {
  		return this.attr({ visibility: VISIBLE });
  	},
  
  	/**
  	 * Hide the element
  	 */
  	hide: function () {
  		return this.attr({ visibility: HIDDEN });
  	},
  
  	fadeOut: function (duration) {
  		var elemWrapper = this;
  		elemWrapper.animate({
  			opacity: 0
  		}, {
  			duration: duration || 150,
  			complete: function () {
  				elemWrapper.hide();
  			}
  		});
  	},
  
  	/**
  	 * 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;
  
  		if (parent) {
  			this.parentGroup = parent;
  		}
  
  		// 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,
  			parentToClean = wrapper.renderer.isSVG && element.nodeName === 'SPAN' && element.parentNode,
  			grandParent,
  			key,
  			i;
  
  		// remove events
  		element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = element.point = 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);
  			});
  		}
  
  		// In case of useHTML, clean up empty containers emulating SVG groups (#1960).
  		while (parentToClean && parentToClean.childNodes.length === 0) {
  			grandParent = parentToClean.parentNode;
  			wrapper.safeRemoveChild(parentToClean);
  			parentToClean = grandParent;
  		}
  
  		// remove from alignObjects
  		if (wrapper.alignTo) {
  			erase(wrapper.renderer.alignedObjects, wrapper);
  		}
  
  		for (key in wrapper) {
  			delete wrapper[key];
  		}
  
  		return null;
  	},
  
  	/**
  	 * Add a shadow to the element. Must be done after the element is added to the DOM
  	 * @param {Boolean|Object} shadowOptions
  	 */
  	shadow: function (shadowOptions, group, cutOff) {
  		var shadows = [],
  			i,
  			shadow,
  			element = this.element,
  			strokeWidth,
  			shadowWidth,
  			shadowElementOpacity,
  
  			// compensate for inverted plot area
  			transform;
  
  
  		if (shadowOptions) {
  			shadowWidth = pick(shadowOptions.width, 3);
  			shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
  			transform = this.parentInverted ?
  				'(-1,-1)' :
  				'(' + pick(shadowOptions.offsetX, 1) + ', ' + pick(shadowOptions.offsetY, 1) + ')';
  			for (i = 1; i <= shadowWidth; i++) {
  				shadow = element.cloneNode(0);
  				strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
  				attr(shadow, {
  					'isShadow': 'true',
  					'stroke': shadowOptions.color || 'black',
  					'stroke-opacity': shadowElementOpacity * 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,
  			element,
  			desc;
  
  		boxWrapper = renderer.createElement('svg')
  			.attr({
  				version: '1.1'
  			});
  		element = boxWrapper.element;
  		container.appendChild(element);
  
  		// For browsers other than IE, add the namespace attribute (#1978)
  		if (container.innerHTML.indexOf('xmlns') === -1) {
  			attr(element, 'xmlns', SVG_NS);
  		}
  
  		// object properties
  		renderer.isSVG = true;
  		renderer.box = element;
  		renderer.boxWrapper = boxWrapper;
  		renderer.alignedObjects = [];
  
  		// Page url used for internal references. #24, #672, #1070
  		renderer.url = (isFirefox || isWebKit) && doc.getElementsByTagName('base').length ?
  			loc.href
  				.replace(/#.*?$/, '') // remove the hash
  				.replace(/([\('\)])/g, '\\$1') // escape parantheses and quotes
  				.replace(/ /g, '%20') : // replace spaces (needed for Safari only)
  			'';
  
  		// Add description
  		desc = this.createElement('desc').add();
  		desc.element.appendChild(doc.createTextNode('Created with ' + PRODUCT + ' ' + VERSION));
  
  
  		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,
  			renderer = this,
  			forExport = renderer.forExport,
  			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="(http[^"]+)"/,
  			parentX = attr(textNode, 'x'),
  			textStyles = wrapper.styles,
  			width = textStyles && textStyles.width && pInt(textStyles.width),
  			textLineHeight = textStyles && textStyles.lineHeight,
  			i = childNodes.length;
  
  		/// 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;
  
  			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'),
  						spanStyle; // #390
  					if (styleRegex.test(span)) {
  						spanStyle = span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2');
  						attr(tspan, 'style', spanStyle);
  					}
  					if (hrefRegex.test(span) && !forExport) { // Not for export - #1529
  						attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
  						css(tspan, { cursor: 'pointer' });
  					}
  
  					span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
  						.replace(/&lt;/g, '<')
  						.replace(/&gt;/g, '>');
  
  					// Nested tags aren't supported, and cause crash in Safari (#1596)
  					if (span !== ' ') {
  
  						// 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 {
  							attributes.dx = 0; // #16
  						}
  
  						// add attributes
  						attr(tspan, attributes);
  
  						// first span on subsequent line, add the line height
  						if (!spanNo && lineNo) {
  
  							// allow getting the right offset height in exporting in IE
  							if (!hasSVG && forExport) {
  								css(tspan, { display: 'block' });
  							}
  
  							// Set the line height based on the font size of either
  							// the text element or the tspan element
  							attr(
  								tspan,
  								'dy',
  								textLineHeight || renderer.fontMetrics(
  									/px$/.test(tspan.style.fontSize) ?
  										tspan.style.fontSize :
  										textStyles.fontSize
  								).h,
  								// Safari 6.0.2 - too optimized for its own good (#1539)
  								// TODO: revisit this with future versions of Safari
  								isWebKit && tspan.offsetHeight
  							);
  						}
  
  						// Append it
  						textNode.appendChild(tspan);
  
  						spanNo++;
  
  						// check width and apply soft breaks
  						if (width) {
  							var words = span.replace(/([^\^])-/g, '$1- ').split(' '), // #1273
  								tooLong,
  								actualWidth,
  								clipHeight = wrapper._clipHeight,
  								rest = [],
  								dy = pInt(textLineHeight || 16),
  								softLineNo = 1,
  								bBox;
  
  							while (words.length || rest.length) {
  								delete wrapper.bBox; // delete cache
  								bBox = wrapper.getBBox();
  								actualWidth = bBox.width;
  								tooLong = actualWidth > width;
  								if (!tooLong || words.length === 1) { // new line needed
  									words = rest;
  									rest = [];
  									if (words.length) {
  										softLineNo++;
  
  										if (clipHeight && softLineNo * dy > clipHeight) {
  											words = ['...'];
  											wrapper.attr('title', wrapper.textStr);
  										} else {
  
  											tspan = doc.createElementNS(SVG_NS, 'tspan');
  											attr(tspan, {
  												dy: dy,
  												x: parentX
  											});
  											if (spanStyle) { // #390
  												attr(tspan, 'style', spanStyle);
  											}
  											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, disabledState) {
  		var label = this.label(text, x, y, null, null, null, null, null, 'button'),
  			curState = 0,
  			stateOptions,
  			stateStyle,
  			normalStyle,
  			hoverStyle,
  			pressedStyle,
  			disabledStyle,
  			STYLE = 'style',
  			verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };
  
  		// Normal state - prepare the attributes
  		normalState = merge({
  			'stroke-width': 1,
  			stroke: '#CCCCCC',
  			fill: {
  				linearGradient: verticalGradient,
  				stops: [
  					[0, '#FEFEFE'],
  					[1, '#F6F6F6']
  				]
  			},
  			r: 2,
  			padding: 5,
  			style: {
  				color: 'black'
  			}
  		}, normalState);
  		normalStyle = normalState[STYLE];
  		delete normalState[STYLE];
  
  		// Hover state
  		hoverState = merge(normalState, {
  			stroke: '#68A',
  			fill: {
  				linearGradient: verticalGradient,
  				stops: [
  					[0, '#FFF'],
  					[1, '#ACF']
  				]
  			}
  		}, hoverState);
  		hoverStyle = hoverState[STYLE];
  		delete hoverState[STYLE];
  
  		// Pressed state
  		pressedState = merge(normalState, {
  			stroke: '#68A',
  			fill: {
  				linearGradient: verticalGradient,
  				stops: [
  					[0, '#9BD'],
  					[1, '#CDF']
  				]
  			}
  		}, pressedState);
  		pressedStyle = pressedState[STYLE];
  		delete pressedState[STYLE];
  
  		// Disabled state
  		disabledState = merge(normalState, {
  			style: {
  				color: '#CCC'
  			}
  		}, disabledState);
  		disabledStyle = disabledState[STYLE];
  		delete disabledState[STYLE];
  
  		// Add the events. IE9 and IE10 need mouseover and mouseout to funciton (#667).
  		addEvent(label.element, isIE ? 'mouseover' : 'mouseenter', function () {
  			if (curState !== 3) {
  				label.attr(hoverState)
  					.css(hoverStyle);
  			}
  		});
  		addEvent(label.element, isIE ? 'mouseout' : 'mouseleave', function () {
  			if (curState !== 3) {
  				stateOptions = [normalState, hoverState, pressedState][curState];
  				stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
  				label.attr(stateOptions)
  					.css(stateStyle);
  			}
  		});
  
  		label.setState = function (state) {
  			label.state = curState = state;
  			if (!state) {
  				label.attr(normalState)
  					.css(normalStyle);
  			} else if (state === 2) {
  				label.attr(pressedState)
  					.css(pressedStyle);
  			} else if (state === 3) {
  				label.attr(disabledState)
  					.css(disabledStyle);
  			}
  		};
  
  		return label
  			.on('click', function () {
  				if (curState !== 3) {
  					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]) {
  			// Substract due to #1129. Now bottom and left axis gridlines behave the same.
  			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) {
  		var arc;
  
  		if (isObject(x)) {
  			y = x.y;
  			r = x.r;
  			innerR = x.innerR;
  			start = x.start;
  			end = x.end;
  			x = x.x;
  		}
  
  		// Arcs are defined as symbols for the ability to set
  		// attributes in attr and animate
  		arc = this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
  			innerR: innerR || 0,
  			start: start || 0,
  			end: end || 0
  		});
  		arc.r = r; // #959
  		return arc;
  	},
  
  	/**
  	 * 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
  			),
  
  			imageElement,
  			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) {
  				if (img.element) { // it may be destroyed in the meantime (#1390)
  					img.attr({
  						width: size[0],
  						height: size[1]
  					});
  
  					if (!img.alignByTranslate) { // #185
  						img.translate(
  							mathRound((width - size[0]) / 2), // #1378
  							mathRound((height - size[1]) / 2)
  						);
  					}
  				}
  			};
  
  			imageSrc = symbol.match(imageRegex)[1];
  			imageSize = symbolSizes[imageSrc];
  
  			// Ireate the image synchronously, add attribs async
  			obj = this.image(imageSrc)
  				.attr({
  					x: x,
  					y: y
  				});
  			obj.isImg = true;
  
  			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. Due to a bug in IE < 8,
  				// the created element must be assigned to a variable in order to load (#292).
  				imageElement = createElement('img', {
  					onload: function () {
  						centerImage(obj, symbolSizes[imageSrc] = [this.width, this.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 - 0.001, // to prevent cos and sin of start and end from becoming equal on 360 arcs (related: #1561)
  				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,
  			gradAttr,
  			gradients,
  			gradientObject,
  			stops,
  			stopColor,
  			stopOpacity,
  			radialReference,
  			n,
  			id,
  			key = [];
  
  		// Apply linear or radial gradients
  		if (color && color.linearGradient) {
  			gradName = 'linearGradient';
  		} else if (color && color.radialGradient) {
  			gradName = 'radialGradient';
  		}
  
  		if (gradName) {
  			gradAttr = color[gradName];
  			gradients = renderer.gradients;
  			stops = color.stops;
  			radialReference = elem.radialReference;
  
  			// 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)) {
  				gradAttr = merge(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'
  				});
  			}
  
  			// Build the unique key to detect whether we need to create a new element (#1282)
  			for (n in gradAttr) {
  				if (n !== 'id') {
  					key.push(n, gradAttr[n]);
  				}
  			}
  			for (n in stops) {
  				key.push(stops[n]);
  			}
  			key = key.join(',');
  
  			// Check if a gradient object with the same config object is created within this renderer
  			if (gradients[key]) {
  				id = gradients[key].id;
  
  			} else {
  
  				// Set the id and create the element
  				gradAttr.id = id = PREFIX + idCounter++;
  				gradients[key] = 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(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 + '#' + 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,
  			fakeSVG = useCanVG || (!hasSVG && renderer.forExport),
  			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
  			});
  
  		// Prevent wrapping from creating false offsetWidths in export in legacy IE (#1079, #1063)
  		if (fakeSVG) {
  			wrapper.css({
  				position: ABSOLUTE
  			});
  		}
  
  		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) {
  			if (value !== element.innerHTML) {
  				delete this.bBox;
  			}
  			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,
  					container = renderer.box.parentNode,
  					parentGroup,
  					parents = [];
  
  				// Create a mock group to hold the HTML elements
  				if (svgGroupWrapper) {
  					htmlGroup = svgGroupWrapper.div;
  					if (!htmlGroup) {
  
  						// Read the parent chain into an array and read from top down
  						parentGroup = svgGroupWrapper;
  						while (parentGroup) {
  
  							parents.push(parentGroup);
  
  							// Move up to the next parent group
  							parentGroup = parentGroup.parentGroup;
  						}
  
  						// Ensure dynamically updating position when any parent is translated
  						each(parents.reverse(), function (parentGroup) {
  							var htmlGroupStyle;
  
  							// Create a HTML div and append it to the parent div to emulate
  							// the SVG group structure
  							htmlGroup = parentGroup.div = parentGroup.div || createElement(DIV, {
  								className: attr(parentGroup.element, 'class')
  							}, {
  								position: ABSOLUTE,
  								left: (parentGroup.translateX || 0) + PX,
  								top: (parentGroup.translateY || 0) + PX
  							}, htmlGroup || container); // the top group is appended to container
  
  							// Shortcut
  							htmlGroupStyle = htmlGroup.style;
  
  							// Set listeners to update the HTML div's position whenever the SVG group
  							// position is changed
  							extend(parentGroup.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,
  			paddingLeft = 0,
  			width,
  			height,
  			wrapperX,
  			wrapperY,
  			crispAdjust = 0,
  			deferredAttr = {},
  			baselineOffset,
  			attrSetters = wrapper.attrSetters,
  			needsBox;
  
  		/**
  		 * 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 boxX,
  				boxY,
  				style = text.element.style;
  
  			bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) &&
  				text.getBBox();
  			wrapper.width = (width || bBox.width || 0) + 2 * padding + paddingLeft;
  			wrapper.height = (height || bBox.height || 0) + 2 * padding;
  
  			// update the label-scoped y offset
  			baselineOffset = padding + renderer.fontMetrics(style && style.fontSize).b;
  
  			if (needsBox) {
  
  				// create the border box if it is not already present
  				if (!box) {
  					boxX = mathRound(-alignFactor * padding);
  					boxY = baseline ? -baselineOffset : 0;
  
  					wrapper.box = box = shape ?
  						renderer.symbol(shape, boxX, boxY, wrapper.width, wrapper.height) :
  						renderer.rect(boxX, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
  					box.add(wrapper);
  				}
  
  				// apply the box attributes
  				if (!box.isImg) { // #1630
  					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 = paddingLeft + 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() {
  			text.add(wrapper);
  			wrapper.attr({
  				text: str, // alignment is available now
  				x: x,
  				y: y
  			});
  
  			if (box && 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;
  		};
  		attrSetters.paddingLeft =  function (value) {
  			if (defined(value) && value !== paddingLeft) {
  				paddingLeft = 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) {
  			needsBox = true;
  			crispAdjust = value % 2 / 2;
  			boxAttr(key, value);
  			return false;
  		};
  		attrSetters.stroke = attrSetters.fill = attrSetters.r = function (value, key) {
  			if (key === 'fill') {
  				needsBox = true;
  			}
  			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', wrapperY);
  			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', 'textDecoration', 'textShadow'], 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 {
  					width: bBox.width + 2 * padding,
  					height: bBox.height + 2 * padding,
  					x: bBox.x - padding,
  					y: bBox.y - padding
  				};
  			},
  			/**
  			 * Apply the shadow to the box
  			 */
  			shadow: function (b) {
  				if (box) {
  					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) {
  					text = text.destroy();
  				}
  				if (box) {
  					box = box.destroy();
  				}
  				// Call base implementation to destroy the rest
  				SVGElement.prototype.destroy.call(wrapper);
  
  				// Release local pointers (#1298)
  				wrapper = renderer = updateBoxSize = updateTextPadding = boxAttr = getSizeAfterAdd = null;
  			}
  		});
  	}
  }; // 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, VMLElement;
  if (!hasSVG && !useCanVG) {
  
  /**
   * The VML element wrapper.
   */
  Highcharts.VMLElement = 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, ';'],
  			isDiv = nodeName === DIV;
  
  		// divs and shapes need size
  		if (nodeName === 'shape' || isDiv) {
  			style.push('left:0;top:0;width:1px;height:1px;');
  		}
  		style.push('visibility: ', isDiv ? HIDDEN : VISIBLE);
  
  		markup.push(' style="', style.join(''), '"/>');
  
  		// create element with default attributes and style
  		if (nodeName) {
  			markup = isDiv || 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);
  		}
  
  		// 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;
  	},
  
  	/**
  	 * VML always uses htmlUpdateTransform
  	 */
  	updateTransform: SVGElement.prototype.htmlUpdateTransform,
  
  	/**
  	 * Set the rotation of a span with oldIE's filter
  	 */
  	setSpanRotation: function (rotation, sintheta, costheta) {
  		// 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(this.element, {
  			filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
  				', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
  				', sizingMethod=\'auto expand\')'].join('') : NONE
  		});
  	},
  
  	/**
  	 * Converts a subset of an SVG path definition to its VML counterpart. Takes an array
  	 * as the parameter and returns a string.
  	 */
  	pathToVML: function (value) {
  		// convert paths
  		var i = value.length,
  			path = [],
  			clockwise;
  
  		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])) {
  				path[i] = mathRound(value[i] * 10) - 5;
  			} else if (value[i] === 'Z') { // close the path
  				path[i] = 'x';
  			} else {
  				path[i] = value[i];
  
  				// When the start X and end X coordinates of an arc are too close,
  				// they are rounded to the same value above. In this case, substract 1 from the end X
  				// position. #760, #1371.
  				if (value.isArc && (value[i] === 'wa' || value[i] === 'at')) {
  					clockwise = value[i] === 'wa' ? 1 : -1; // #1642
  					if (path[i + 5] === path[i + 7]) {
  						path[i + 7] -= clockwise;
  					}
  					// Start and end Y (#1410)
  					if (path[i + 6] === path[i + 8]) {
  						path[i + 8] -= clockwise;
  					}
  				}
  			}
  		}
  		// Loop up again to handle path shortcuts (#2132)
  		/*while (i++ < path.length) {
  			if (path[i] === 'H') { // horizontal line to
  				path[i] = 'L';
  				path.splice(i + 2, 0, path[i - 1]);
  			} else if (path[i] === 'V') { // vertical line to
  				path[i] = 'L';
  				path.splice(i + 1, 0, path[i - 2]);
  			}
  		}*/
  		return path.join(' ') || 'x';
  	},
  
  	/**
  	 * 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].call(wrapper, 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
  
  						element.path = value = wrapper.pathToVML(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;
  
  					// handle visibility
  					} else if (key === 'visibility') {
  
  						// let the shadow follow the main element
  						if (shadows) {
  							i = shadows.length;
  							while (i--) {
  								shadows[i].style[key] = value;
  							}
  						}
  
  						// Instead of toggling the visibility CSS material, move the div out of the viewport.
  						// This works around #61 and #586
  						if (nodeName === 'DIV') {
  							value = value === HIDDEN ? '-999em' : 0;
  
  							// In order to redraw, IE7 needs the div to be visible when tucked away
  							// outside the viewport. So the visibility is actually opposite of
  							// the expected value. This applies to the tooltip only.
  							if (!docMode8) {
  								elemStyle[key] = value ? VISIBLE : HIDDEN;
  							}
  							key = 'top';
  						}
  						elemStyle[key] = value;
  						skipAttr = true;
  
  					// directly mapped to css
  					} else if (key === 'zIndex') {
  
  						if (value) {
  							elemStyle[key] = value;
  						}
  						skipAttr = true;
  
  					// x, y, width, height
  					} else if (inArray(key, ['x', 'y', 'width', 'height']) !== -1) {
  
  						wrapper[key] = value; // used in getter
  
  						if (key === 'x' || key === 'y') {
  							key = { x: 'left', y: 'top' }[key];
  						} else {
  							value = mathMax(0, value); // don't set width or height below zero (#311)
  						}
  
  						// clipping rectangle special
  						if (wrapper.updateClipping) {
  							wrapper[key] = value; // the key is now 'left' or 'top' for 'x' and 'y'
  							wrapper.updateClipping();
  						} else {
  							// normal
  							elemStyle[key] = value;
  						}
  
  						skipAttr = true;
  
  					// class name
  					} else if (key === 'class' && nodeName === 'DIV') {
  						// 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 if (nodeName !== 'IMG') { // #1336
  							element.filled = value !== NONE ? true : false;
  
  							value = renderer.color(value, element, key, wrapper);
  
  							key = 'fillcolor';
  						}
  
  					// opacity: don't bother - animation is too slow and filters introduce artifacts
  					} else if (key === 'opacity') {
  						/*css(element, {
  							opacity: value
  						});*/
  						skipAttr = true;
  
  					// rotation on VML elements
  					} else if (nodeName === 'shape' && key === 'rotation') {
  
  						wrapper[key] = element.style[key] = value; // style is for #1873
  
  						// Correction for the 1x1 size of the shape container. Used in gauge needles.
  						element.style.left = -mathRound(mathSin(value * deg2rad) + 1) + PX;
  						element.style.top = mathRound(mathCos(value * deg2rad)) + PX;
  
  					// 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;
  					}
  
  
  					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,
  			cssRet;
  
  		if (clipRect) {
  			clipMembers = clipRect.members;
  			erase(clipMembers, wrapper); // Ensure unique list of elements (#1258)
  			clipMembers.push(wrapper);
  			wrapper.destroyClip = function () {
  				erase(clipMembers, wrapper);
  			};
  			cssRet = clipRect.getCSS(wrapper);
  
  		} else {
  			if (wrapper.destroyClip) {
  				wrapper.destroyClip();
  			}
  			cssRet = { clip: docMode8 ? 'inherit' : 'rect(auto)' }; // #1214
  		}
  
  		return wrapper.css(cssRet);
  
  	},
  
  	/**
  	 * 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.
  		if (element.parentNode) {
  			discardElement(element);
  		}
  	},
  
  	/**
  	 * Extend element.destroy by removing it from the clip members array
  	 */
  	destroy: function () {
  		if (this.destroyClip) {
  			this.destroyClip();
  		}
  
  		return SVGElement.prototype.destroy.apply(this);
  	},
  
  	/**
  	 * 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|Object} shadowOptions
  	 */
  	shadow: function (shadowOptions, group, cutOff) {
  		var shadows = [],
  			i,
  			element = this.element,
  			renderer = this.renderer,
  			shadow,
  			elemStyle = element.style,
  			markup,
  			path = element.path,
  			strokeWidth,
  			modifiedPath,
  			shadowWidth,
  			shadowElementOpacity;
  
  		// some times empty paths are not strings
  		if (path && typeof path.value !== 'string') {
  			path = 'x';
  		}
  		modifiedPath = path;
  
  		if (shadowOptions) {
  			shadowWidth = pick(shadowOptions.width, 3);
  			shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
  			for (i = 1; i <= 3; i++) {
  
  				strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
  
  				// Cut off shadows for stacked column items
  				if (cutOff) {
  					modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
  				}
  
  				markup = ['<shape isShadow="true" strokeweight="', strokeWidth,
  					'" filled="false" path="', modifiedPath,
  					'" coordsize="10 10" style="', element.style.cssText, '" />'];
  
  				shadow = createElement(renderer.prepVML(markup),
  					null, {
  						left: pInt(elemStyle.left) + pick(shadowOptions.offsetX, 1),
  						top: pInt(elemStyle.top) + pick(shadowOptions.offsetY, 1)
  					}
  				);
  				if (cutOff) {
  					shadow.cutOff = strokeWidth + 1;
  				}
  
  				// apply the opacity
  				markup = ['<stroke color="', shadowOptions.color || 'black', '" opacity="', shadowElementOpacity * 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.isVML = true;
  		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 (#2153)
  			(doc.styleSheets.length ? doc.styleSheets[0] : 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(),
  			isObj = isObject(x);
  
  		// mimic a rectangle with its style object for automatic updating in attr
  		return extend(clipRect, {
  			members: [],
  			left: (isObj ? x.x : x) + 1,
  			top: (isObj ? x.y : y) + 1,
  			width: (isObj ? x.width : width) - 1,
  			height: (isObj ? x.height : height) - 1,
  			getCSS: function (wrapper) {
  				var element = wrapper.element,
  					nodeName = element.nodeName,
  					isShape = nodeName === 'shape',
  					inverted = wrapper.inverted,
  					rect = this,
  					top = rect.top - (isShape ? element.offsetTop : 0),
  					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 && nodeName === 'DIV') {
  					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, wrapper) {
  		var renderer = this,
  			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,
  				opacity1,
  				opacity2,
  				color1,
  				color2,
  				fillAttr = '',
  				stops = color.stops,
  				firstStop,
  				lastStop,
  				colors = [],
  				addFillNode = function () {
  					// Add the fill subnode. When colors attribute is used, the meanings of opacity and o:opacity2
  					// are reversed.
  					markup = ['<fill colors="' + colors.join(',') + '" opacity="', opacity2, '" o:opacity2="', opacity1,
  						'" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
  					createElement(renderer.prepVML(markup), null, null, elem);
  				};
  
  			// 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;
  				}
  			});
  
  			// Apply the gradient to fills only.
  			if (prop === 'fill') {
  
  				// 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;
  					fillAttr = 'angle="' + (90  - math.atan(
  						(y2 - y1) / // y vector
  						(x2 - x1) // x vector
  						) * 180 / mathPI) + '"';
  
  					addFillNode();
  
  				// Radial (circular) gradient
  				} else {
  
  					var r = gradient.r,
  						sizex = r * 2,
  						sizey = r * 2,
  						cx = gradient.cx,
  						cy = gradient.cy,
  						radialReference = elem.radialReference,
  						bBox,
  						applyRadialGradient = function () {
  							if (radialReference) {
  								bBox = wrapper.getBBox();
  								cx += (radialReference[0] - bBox.x) / bBox.width - 0.5;
  								cy += (radialReference[1] - bBox.y) / bBox.height - 0.5;
  								sizex *= radialReference[2] / bBox.width;
  								sizey *= radialReference[2] / bBox.height;
  							}
  							fillAttr = 'src="' + defaultOptions.global.VMLRadialGradientURL + '" ' +
  								'size="' + sizex + ',' + sizey + '" ' +
  								'origin="0.5,0.5" ' +
  								'position="' + cx + ',' + cy + '" ' +
  								'color2="' + color2 + '" ';
  
  							addFillNode();
  						};
  
  					// Apply radial gradient
  					if (wrapper.added) {
  						applyRadialGradient();
  					} else {
  						// We need to know the bounding box to get the size and position right
  						addEvent(wrapper, 'add', applyRadialGradient);
  					}
  
  					// 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;
  				}
  
  			// 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 propNodes = elem.getElementsByTagName(prop); // 'stroke' or 'fill' node
  			if (propNodes.length) {
  				propNodes[0].opacity = 1;
  				propNodes[0].type = 'solid';
  			}
  			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) {
  		var circle = this.symbol('circle');
  		if (isObject(x)) {
  			r = x.r;
  			y = x.y;
  			x = x.x;
  		}
  		circle.isCircle = true; // Causes x and y to mean center (#1682)
  		circle.r = r;
  		return circle.attr({ x: x, y: y });
  	},
  
  	/**
  	 * 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.attr({
  				x: x,
  				y: 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) {
  
  		var wrapper = this.symbol('rect');
  		wrapper.r = isObject(x) ? x.r : r;
  
  		//return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0)));
  		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))
  			);
  	},
  
  	/**
  	 * 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,
  				innerRadius = options.innerR,
  				cosStart = mathCos(start),
  				sinStart = mathSin(start),
  				cosEnd = mathCos(end),
  				sinEnd = mathSin(end),
  				ret;
  
  			if (end - start === 0) { // no angle, don't show it.
  				return ['x'];
  			}
  
  			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 && !innerRadius) {
  				ret.push(
  					'e',
  					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
  			);
  
  			ret.isArc = true;
  			return ret;
  
  		},
  		// Add circle symbol path. This performs significantly faster than v:oval.
  		circle: function (x, y, w, h, wrapper) {
  
  			if (wrapper) {
  				w = h = 2 * wrapper.r;
  			}
  
  			// Center correction, #1682
  			if (wrapper && wrapper.isCircle) {
  				x -= w / 2;
  				y -= h / 2;
  			}
  
  			// Return the path
  			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;
  		}
  	}
  };
  Highcharts.VMLRenderer = 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.
  	 */
  	Highcharts.CanVGRenderer = CanVGRenderer = function () {
  		// Override the global SVG namespace to fake SVG/HTML that accepts CSS
  		SVG_NS = 'http://www.w3.org/1999/xhtml';
  	};
  
  	/**
  	 * 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);
  			}
  		};
  	}());
  
  	Renderer = CanVGRenderer;
  } // end CanVGRenderer
  
  /* ****************************************************************************
   *                                                                            *
   * END OF ANDROID < 3 SPECIFIC CODE                                           *
   *                                                                            *
   *****************************************************************************/
  
  /**
   * The Tick class
   */
  function Tick(axis, pos, type, noLabel) {
  	this.axis = axis;
  	this.pos = pos;
  	this.type = type || '';
  	this.isNew = true;
  
  	if (!type && !noLabel) {
  		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,
  			names = axis.series[0] && axis.series[0].names,
  			pos = tick.pos,
  			labelOptions = options.labels,
  			str,
  			tickPositions = axis.tickPositions,
  			width = (horiz && categories &&
  				!labelOptions.step && !labelOptions.staggerLines &&
  				!labelOptions.rotation &&
  				chart.plotWidth / tickPositions.length) ||
  				(!horiz && (chart.margin[3] || chart.chartWidth * 0.33)), // #1580, #1931
  			isFirst = pos === tickPositions[0],
  			isLast = pos === tickPositions[tickPositions.length - 1],
  			css,
  			attr,
  			value = categories ?
  				pick(categories[pos], names && names[pos], 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: axis.labelAlign
  			};
  			if (isNumber(labelOptions.rotation)) {
  				attr.rotation = labelOptions.rotation;
  			}
  			if (width && labelOptions.ellipsis) {
  				attr._clipHeight = axis.len / tickPositions.length;
  			}
  
  			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.labelGroup) :
  					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()))[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 }[axis.labelAlign] - 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 && 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,
  			baseline = axis.chart.renderer.fontMetrics(labelOptions.style.fontSize).b,
  			rotation = labelOptions.rotation;
  			
  		x = x + labelOptions.x - (tickmarkOffset && horiz ?
  			tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
  		y = y + labelOptions.y - (tickmarkOffset && !horiz ?
  			tickmarkOffset * transA * (reversed ? 1 : -1) : 0);
  
  		// Correct for rotation (#1764)
  		if (rotation && axis.side === 2) {
  			y -= baseline - baseline * mathCos(rotation * deg2rad);
  		}
  		
  		// Vertically centered
  		if (!defined(labelOptions.y) && !rotation) { // #1951
  			y += baseline - label.getBBox().height / 2;
  		}
  		
  		// Correct for staggered labels
  		if (staggerLines) {
  			y += (index / (step || 1) % staggerLines) * (axis.labelOffset / staggerLines);
  		}
  		
  		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, opacity) {
  		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 = axis.tickmarkOffset,
  			xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
  			x = xy.x,
  			y = xy.y,
  			reverseCrisp = ((horiz && x === axis.pos + axis.len) || (!horiz && y === axis.pos)) ? -1 : 1, // #1480, #1687
  			staggerLines = axis.staggerLines;
  
  		this.isActive = true;
  		
  		// create the grid line
  		if (gridLineWidth) {
  			gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth * reverseCrisp, old, true);
  
  			if (gridLine === UNDEFINED) {
  				attribs = {
  					stroke: gridLineColor,
  					'stroke-width': gridLineWidth
  				};
  				if (dashStyle) {
  					attribs.dashstyle = dashStyle;
  				}
  				if (!type) {
  					attribs.zIndex = 1;
  				}
  				if (old) {
  					attribs.opacity = 0;
  				}
  				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,
  					opacity: opacity
  				});
  			}
  		}
  
  		// create the tick mark
  		if (tickWidth && tickLength) {
  
  			// negate the length
  			if (tickPosition === 'inside') {
  				tickLength = -tickLength;
  			}
  			if (axis.opposite) {
  				tickLength = -tickLength;
  			}
  
  			markPath = tick.getMarkPath(x, y, tickLength, tickWidth * reverseCrisp, horiz, renderer);
  
  			if (mark) { // updating
  				mark.animate({
  					d: markPath,
  					opacity: opacity
  				});
  			} else { // first time
  				tick.mark = renderer.path(
  					markPath
  				).attr({
  					stroke: tickColor,
  					'stroke-width': tickWidth,
  					opacity: opacity
  				}).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 the tick is both first and last, it is 
  			// a single centered tick, in which case we show the label anyway (#2100).
  			if ((tick.isFirst && !tick.isLast && !pick(options.showFirstLabel, 1)) ||
  					(tick.isLast && !tick.isFirst && !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 && !isNaN(xy.y)) {
  				xy.opacity = opacity;
  				label[tick.isNew ? 'attr' : 'animate'](xy);
  				tick.isNew = false;
  			} else {
  				label.attr('y', -9999); // #1338
  			}
  		}
  	},
  
  	/**
  	 * 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;
  	}
  }
  
  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,
  						optionsLabel.useHTML
  					)
  					.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 () {
  		// remove it from the lookup
  		erase(this.axis.plotLinesAndBands, this);
  		
  		delete this.axis;
  		destroyObjectProperties(this);
  	}
  };
  /**
   * The class for stack items
   */
  function StackItem(axis, options, isNegative, x, stackOption, stacking) {
  	
  	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;
  
  	// Initialize total value
  	this.total = null;
  
  	// This will keep each points' extremes stored by series.index
  	this.points = {};
  
  	// Save the stack option on the series configuration object, and whether to treat it as percent
  	this.stack = stackOption;
  	this.percent = stacking === 'percent';
  
  	// 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);
  	},
  
  	/**
  	 * Renders the stack total label and adds it to the stack label group.
  	 */
  	render: function (group) {
  		var options = this.options,
  			formatOption = options.format,
  			str = formatOption ?
  				format(formatOption, 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, options.useHTML)		// dummy positions, actual position updated with setOffset method in columnseries
  					.css(options.style)				// apply style
  					.attr({
  						align: this.textAlign,				// fix the text-anchor
  						rotation: 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.percent ? 100 : 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
  			},
  			label = this.label,
  			alignAttr;
  		
  		if (label) {
  			label.align(this.alignOptions, null, stackBox);	// align the label to the box
  				
  			// Set visibility (#678)
  			alignAttr = label.alignAttr;
  			label.attr({ 
  				visibility: this.options.crop === false || chart.isInsidePlot(alignAttr.x, alignAttr.y) ? 
  					(hasSVG ? 'inherit' : VISIBLE) : 
  					HIDDEN
  			});
  		}
  	}
  };
  /**
   * 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: '#4d759e',
  				//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: {
  			x: -8,
  			y: 3
  		},
  		lineWidth: 0,
  		maxPadding: 0.05,
  		minPadding: 0.05,
  		startOnTick: true,
  		tickWidth: 0,
  		title: {
  			rotation: 270,
  			text: 'Values'
  		},
  		stackLabels: {
  			enabled: false,
  			//align: dynamic,
  			//y: dynamic,
  			//x: dynamic,
  			//verticalAlign: dynamic,
  			//textAlign: dynamic,
  			//rotation: 0,
  			formatter: function () {
  				return numberFormat(this.total, -1);
  			},
  			style: defaultLabelOptions.style
  		}
  	},
  	
  	/**
  	 * These options extend the defaultOptions for left axes
  	 */
  	defaultLeftAxisOptions: {
  		labels: {
  			x: -8,
  			y: null
  		},
  		title: {
  			rotation: 270
  		}
  	},
  	
  	/**
  	 * These options extend the defaultOptions for right axes
  	 */
  	defaultRightAxisOptions: {
  		labels: {
  			x: 8,
  			y: null
  		},
  		title: {
  			rotation: 90
  		}
  	},
  	
  	/**
  	 * These options extend the defaultOptions for bottom axes
  	 */
  	defaultBottomAxisOptions: {
  		labels: {
  			x: 0,
  			y: 14
  			// overflow: undefined,
  			// staggerLines: null
  		},
  		title: {
  			rotation: 0
  		}
  	},
  	/**
  	 * These options extend the defaultOptions for left axes
  	 */
  	defaultTopAxisOptions: {
  		labels: {
  			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.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;
  		axis.zoomEnabled = options.zoomEnabled !== false;
  	
  		// Initial categories
  		axis.categories = options.categories || type === 'category';
  	
  		// Elements
  		//axis.axisGroup = UNDEFINED;
  		//axis.gridGroup = UNDEFINED;
  		//axis.axisTitle = UNDEFINED;
  		//axis.axisLine = UNDEFINED;
  	
  		// Shorthand types
  		axis.isLog = type === 'logarithmic';
  		axis.isDatetimeAxis = isDatetimeAxis;
  	
  		// Flag, if axis is linked to another axis
  		axis.isLinked = defined(options.linkedTo);
  		// Linked axis.
  		//axis.linkedParent = UNDEFINED;	
  		
  		// Tick positions
  		//axis.tickPositions = UNDEFINED; // array containing predefined positions
  		// Tick intervals
  		//axis.tickInterval = UNDEFINED;
  		//axis.minorTickInterval = UNDEFINED;
  		
  		axis.tickmarkOffset = (axis.categories && options.tickmarkPlacement === 'between') ? 0.5 : 0;
  	
  		// 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 = {};
  		axis.oldStacks = {};
  
  		// Dictionary for stacks max values
  		axis.stackExtremes = {};
  
  		// 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
  		if (inArray(axis, chart.axes) === -1) { // don't add it again on Axis.update()
  			chart.axes.push(axis);
  			chart[isXAxis ? 'xAxis' : 'yAxis'].push(axis);
  		}
  
  		axis.series = 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;
  
  
  		// 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],
  			merge(
  				defaultOptions[this.isXAxis ? 'xAxis' : 'yAxis'], // if set in setOptions (#1053)
  				userOptions
  			)
  		);
  	},
  
  	/**
  	 * Update the axis with a new options structure
  	 */
  	update: function (newOptions, redraw) {
  		var chart = this.chart;
  
  		newOptions = chart.options[this.xOrY + 'Axis'][this.options.index] = merge(this.userOptions, newOptions);
  
  		this.destroy(true);
  		this._addedPlotLB = this.userMin = this.userMax = UNDEFINED; // #1611, #2306
  
  		this.init(chart, extend(newOptions, { events: UNDEFINED }));
  
  		chart.isDirtyBox = true;
  		if (pick(redraw, true)) {
  			chart.redraw();
  		}
  	},	
  	
  	/**
       * Remove the axis from the chart
       */
  	remove: function (redraw) {
  		var chart = this.chart,
  			key = this.xOrY + 'Axis'; // xAxis or yAxis
  
  		// Remove associated series
  		each(this.series, function (series) {
  			series.remove(false);
  		});
  
  		// Remove the axis
  		erase(chart.axes, this);
  		erase(chart[key], this);
  		chart.options[key].splice(this.options.index, 1);
  		each(chart[key], function (axis, i) { // Re-index, #1706
  			axis.options.index = i;
  		});
  		this.destroy();
  		chart.isDirtyBox = true;
  
  		if (pick(redraw, true)) {
  			chart.redraw();
  		}
  	},
  	
  	/** 
  	 * 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, 
  			dateTimeLabelFormat = this.dateTimeLabelFormat,
  			numericSymbols = defaultOptions.lang.numericSymbols,
  			i = numericSymbols && numericSymbols.length,
  			multi,
  			ret,
  			formatOption = axis.options.labels.format,
  			
  			// make sure the same symbol is added for all labels on a linear axis
  			numericSymbolDetector = axis.isLog ? value : axis.tickInterval;
  
  		if (formatOption) {
  			ret = format(formatOption, this);
  		
  		} else if (categories) {
  			ret = value;
  		
  		} else if (dateTimeLabelFormat) { // datetime axis
  			ret = dateFormat(dateTimeLabelFormat, value);
  		
  		} else if (i && numericSymbolDetector >= 1000) {
  			// Decide whether we should add a numeric symbol like k (thousands) or M (millions).
  			// If we are to enable this in tooltip or other places as well, we can move this
  			// logic to the numberFormatter and enable it by a parameter.
  			while (i-- && ret === UNDEFINED) {
  				multi = Math.pow(1000, i + 1);
  				if (numericSymbolDetector >= multi && numericSymbols[i] !== null) {
  					ret = numberFormat(value / multi, -1) + numericSymbols[i];
  				}
  			}
  		}
  		
  		if (ret === UNDEFINED) {
  			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;
  
  		axis.hasVisibleSeries = false;
  
  		// reset dataMin and dataMax in case we're redrawing
  		axis.dataMin = axis.dataMax = null;
  
  		// reset cached stacking extremes
  		axis.stackExtremes = {};
  
  		axis.buildStacks();
  
  		// loop through this axis' series
  		each(axis.series, function (series) {
  
  			if (series.visible || !chart.options.chart.ignoreHiddenSeries) {
  
  				var seriesOptions = series.options,
  					xData,
  					threshold = seriesOptions.threshold,
  					seriesDataMin,
  					seriesDataMax;
  
  				axis.hasVisibleSeries = true;
  
  				// Validate threshold in logarithmic axes
  				if (axis.isLog && threshold <= 0) {
  					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 {
  
  					// Get this particular series extremes
  					series.getExtremes();
  					seriesDataMax = series.dataMax;
  					seriesDataMin = series.dataMin;
  
  					// Get the dataMin and dataMax so far. If percentage is used, the min and max are
  					// always 0 and 100. If seriesDataMin and seriesDataMax is null, then series
  					// doesn't have active y data, we continue with nulls
  					if (defined(seriesDataMin) && defined(seriesDataMax)) {
  						axis.dataMin = mathMin(pick(axis.dataMin, seriesDataMin), seriesDataMin);
  						axis.dataMax = mathMax(pick(axis.dataMax, seriesDataMax), seriesDataMax);
  					}
  
  					// 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, pointPlacement) {
  		var axis = this,
  			axisLength = axis.len,
  			sign = 1,
  			cvsOffset = 0,
  			localA = old ? axis.oldTransA : axis.transA,
  			localMin = old ? axis.oldMin : axis.min,
  			returnValue,
  			minPixelPadding = axis.minPixelPadding,
  			postTranslate = (axis.options.ordinal || (axis.isLog && handleLog)) && axis.lin2val;
  
  		if (!localA) {
  			localA = axis.transA;
  		}
  
  		// In vertical axes, the canvas coordinates start from 0 at the top like in 
  		// SVG. 
  		if (cvsCoord) {
  			sign *= -1; // canvas coordinates inverts the value
  			cvsOffset = axisLength;
  		}
  
  		// Handle reversed axis
  		if (axis.reversed) { 
  			sign *= -1;
  			cvsOffset -= sign * axisLength;
  		}
  
  		// From pixels to value
  		if (backwards) { // reverse translation
  			
  			val = val * sign + cvsOffset;
  			val -= minPixelPadding;
  			returnValue = val / localA + localMin; // from chart pixel to value
  			if (postTranslate) { // log and ordinal axes
  				returnValue = axis.lin2val(returnValue);
  			}
  
  		// From value to pixels
  		} else {
  			if (postTranslate) { // log and ordinal axes
  				val = axis.val2lin(val);
  			}
  			if (pointPlacement === 'between') {
  				pointPlacement = 0.5;
  			}
  			returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * minPixelPadding) +
  				(isNumber(pointPlacement) ? localA * pointPlacement * axis.pointRange : 0);
  		}
  
  		return returnValue;
  	},
  
  	/**
  	 * Utility method to translate an axis value to pixel position. 
  	 * @param {Number} value A value in terms of axis units
  	 * @param {Boolean} paneCoordinates Whether to return the pixel coordinate relative to the chart
  	 *        or just the axis/pane itself.
  	 */
  	toPixels: function (value, paneCoordinates) {
  		return this.translate(value, false, !this.horiz, null, true) + (paneCoordinates ? 0 : this.pos);
  	},
  
  	/*
  	 * Utility method to translate a pixel position in to an axis value
  	 * @param {Number} pixel The pixel value coordinate
  	 * @param {Boolean} paneCoordiantes Whether the input pixel is relative to the chart or just the
  	 *        axis/pane itself.
  	 */
  	toValue: function (pixel, paneCoordinates) {
  		return this.translate(pixel - (paneCoordinates ? 0 : this.pos), true, !this.horiz, null, true);
  	},
  
  	/**
  	 * 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, force) {
  		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 && !force ?
  			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
  			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 && (!minor || lastPos <= max)) { // #1670
  						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, 
  				getMagnitude(interval)
  			);
  			
  			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,
  			options = axis.options,
  			tickPositions = axis.tickPositions,
  			minorTickInterval = axis.minorTickInterval,
  			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 if (axis.isDatetimeAxis && options.minorTickInterval === 'auto') { // #1314
  			minorTickPositions = minorTickPositions.concat(
  				getTimeTicks(
  					normalizeTimeTickInterval(minorTickInterval),
  					axis.min,
  					axis.max,
  					options.startOfWeek
  				)
  			);
  			if (minorTickPositions[0] < axis.min) {
  				minorTickPositions.shift();
  			}
  		} 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 (saveOld) {
  		var axis = this,
  			range = axis.max - axis.min,
  			pointRange = 0,
  			closestPointRange,
  			minPointOffset = 0,
  			pointRangePadding = 0,
  			linkedParent = axis.linkedParent,
  			ordinalCorrection,
  			transA = axis.transA;
  
  		// adjust translation for padding
  		if (axis.isXAxis) {
  			if (linkedParent) {
  				minPointOffset = linkedParent.minPointOffset;
  				pointRangePadding = linkedParent.pointRangePadding;
  				
  			} else {
  				each(axis.series, function (series) {
  					var seriesPointRange = series.pointRange,
  						pointPlacement = series.options.pointPlacement,
  						seriesClosestPointRange = series.closestPointRange;
  
  					if (seriesPointRange > range) { // #1446
  						seriesPointRange = 0;
  					}
  					pointRange = mathMax(pointRange, seriesPointRange);
  					
  					// minPointOffset is the value padding to the left of the axis in order to make
  					// room for points with a pointRange, typically columns. When the pointPlacement option
  					// is 'between' or 'on', this padding does not apply.
  					minPointOffset = mathMax(
  						minPointOffset, 
  						isString(pointPlacement) ? 0 : seriesPointRange / 2
  					);
  					
  					// Determine the total padding needed to the length of the axis to make room for the 
  					// pointRange. If the series' pointPlacement is 'on', no padding is added.
  					pointRangePadding = mathMax(
  						pointRangePadding,
  						pointPlacement === 'on' ? 0 : seriesPointRange
  					);
  
  					// Set the closestPointRange
  					if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
  						closestPointRange = defined(closestPointRange) ?
  							mathMin(closestPointRange, seriesClosestPointRange) :
  							seriesClosestPointRange;
  					}
  				});
  			}
  			
  			// Record minPointOffset and pointRangePadding
  			ordinalCorrection = axis.ordinalSlope && closestPointRange ? axis.ordinalSlope / closestPointRange : 1; // #988, #1853
  			axis.minPointOffset = minPointOffset = minPointOffset * ordinalCorrection;
  			axis.pointRangePadding = pointRangePadding = pointRangePadding * ordinalCorrection;
  
  			// pointRange means the width reserved for each point, like in a column chart
  			axis.pointRange = mathMin(pointRange, range);
  
  			// 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
  		if (saveOld) {
  			axis.oldTransA = transA;
  		}
  		axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRangePadding) || 1);
  		axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
  		axis.minPixelPadding = transA * minPointOffset;
  	},
  
  	/**
  	 * 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,
  			maxPadding = options.maxPadding,
  			minPadding = options.minPadding,
  			length,
  			linkedParentExtremes,
  			tickIntervalOption = options.tickInterval,
  			minTickIntervalOption = options.minTickInterval,
  			tickPixelIntervalOption = options.tickPixelInterval,
  			tickPositions,
  			keepTwoTicksOnly,
  			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
  			}
  		}
  		
  		// Hook for adjusting this.min and this.max. Used by bubble series.
  		if (axis.beforePadding) {
  			axis.beforePadding();
  		}
  
  		// adjust min and max for the minimum range
  		axis.adjustForMinRange();
  		
  		// Pad the values to get clear of the chart's edges. To avoid tickInterval taking the padding
  		// into account, we do this after computing tick interval (#1337).
  		if (!categories && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
  			length = axis.max - axis.min;
  			if (length) {
  				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 :
  					// don't let it be more than the data range
  					(axis.max - axis.min) * tickPixelIntervalOption / mathMax(axis.len, tickPixelIntervalOption)
  			);
  			// For squished axes, set only two ticks
  			if (!defined(tickIntervalOption) && axis.len < tickPixelIntervalOption && !this.isRadial) {
  				keepTwoTicksOnly = true;
  				axis.tickInterval /= 4; // tick extremes closer to the real values
  			}
  		}
  
  		// 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(true);
  
  		// hook for ordinal axes and radial axes
  		if (axis.beforeSetTickPositions) {
  			axis.beforeSetTickPositions();
  		}
  		
  		// hook for extensions, used in Highstock ordinal axes
  		if (axis.postProcessTickInterval) {
  			axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
  		}
  
  		// In column-like charts, don't cramp in more ticks than there are points (#1943)
  		if (axis.pointRange) {
  			axis.tickInterval = mathMax(axis.pointRange, axis.tickInterval);
  		}
  		
  		// Before normalizing the tick interval, handle minimum tick interval. This applies only if tickInterval is not defined.
  		if (!tickIntervalOption && axis.tickInterval < minTickIntervalOption) {
  			axis.tickInterval = minTickIntervalOption;
  		}
  
  		// for linear axes, get magnitude and normalize the interval
  		if (!isDatetimeAxis && !isLog) { // linear
  			if (!tickIntervalOption) {
  				axis.tickInterval = normalizeTickInterval(axis.tickInterval, null, getMagnitude(axis.tickInterval), options);
  			}
  		}
  
  		// get minorTickInterval
  		axis.minorTickInterval = options.minorTickInterval === 'auto' && axis.tickInterval ?
  				axis.tickInterval / 5 : options.minorTickInterval;
  
  		// find the tick positions
  		axis.tickPositions = tickPositions = options.tickPositions ?
  			[].concat(options.tickPositions) : // Work on a copy (#1565)
  			(tickPositioner && tickPositioner.apply(axis, [axis.min, axis.max]));
  		if (!tickPositions) {
  			
  			// Too many ticks
  			if (!axis.ordinalPositions && (axis.max - axis.min) / axis.tickInterval > mathMax(2 * axis.len, 200)) {
  				error(19, true);
  			}
  			
  			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);
  			}
  			if (keepTwoTicksOnly) {
  				tickPositions.splice(1, tickPositions.length - 2);
  			}
  
  			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],
  				minPointOffset = axis.minPointOffset || 0,
  				singlePad;
  
  			if (options.startOnTick) {
  				axis.min = roundedMin;
  			} else if (axis.min - minPointOffset > roundedMin) {
  				tickPositions.shift();
  			}
  
  			if (options.endOnTick) {
  				axis.max = roundedMax;
  			} else if (axis.max + minPointOffset < roundedMax) {
  				tickPositions.pop();
  			}
  			
  			// When there is only one point, or all points have the same value on this axis, then min
  			// and max are equal and tickPositions.length is 1. In this case, add some padding
  			// in order to center the point, but leave it with one tick. #1337.
  			if (tickPositions.length === 1) {
  				singlePad = 0.001; // The lowest possible number to avoid extra padding on columns
  				axis.min -= singlePad;
  				axis.max += singlePad;
  			}
  		}
  	},
  	
  	/**
  	 * Set the max ticks of either the x and y axis collection
  	 */
  	setMaxTicks: function () {
  		
  		var chart = this.chart,
  			maxTicks = chart.maxTicks || {},
  			tickPositions = this.tickPositions,
  			key = this._maxTicksKey = [this.xOrY, this.pos, this.len].join('-');
  		
  		if (!this.isLinked && !this.isDatetimeAxis && tickPositions && tickPositions.length > (maxTicks[key] || 0) && this.options.alignTicks !== false) {
  			maxTicks[key] = 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,
  			key = axis._maxTicksKey,
  			tickPositions = axis.tickPositions,
  			maxTicks = chart.maxTicks;
  
  		if (maxTicks && maxTicks[key] && !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[key];
  
  			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.forceRedraw ||
  			axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {
  			
  			// reset stacks
  			if (!axis.isXAxis) {
  				for (type in stacks) {
  					delete stacks[type];
  				}
  			}
  
  			axis.forceRedraw = false;
  
  			// 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;
  			}
  		} else if (!axis.isXAxis) {
  			if (axis.oldStacks) {
  				stacks = axis.stacks = axis.oldStacks;
  			}
  
  			// reset stacks
  			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;
  			axis.eventArgs = eventArguments;
  
  			// Mark for running afterSetExtremes
  			axis.isDirtyExtremes = true;
  
  			// redraw
  			if (redraw) {
  				chart.redraw(animation);
  			}
  		});
  	},
  	
  	/**
  	 * Overridable method for zooming chart. Pulled out in a separate method to allow overriding
  	 * in stock charts.
  	 */
  	zoom: function (newMin, newMax) {
  
  		// Prevent pinch zooming out of range. Check for defined is for #1946.
  		if (!this.allowZoomOutside) {
  			if (defined(this.dataMin) && newMin <= this.dataMin) {
  				newMin = UNDEFINED;
  			}
  			if (defined(this.dataMax) && newMax >= this.dataMax) {
  				newMax = UNDEFINED;
  			}
  		}
  
  		// In full view, displaying the reset zoom button is not required
  		this.displayBtn = newMin !== UNDEFINED || newMax !== UNDEFINED;
  		
  		// Do it
  		this.setExtremes(
  			newMin,
  			newMax,
  			false, 
  			UNDEFINED, 
  			{ trigger: 'zoom' }
  		);
  		return true;
  	},
  	
  	/**
  	 * Update the axis metrics
  	 */
  	setAxisSize: function () {
  		var chart = this.chart,
  			options = this.options,
  			offsetLeft = options.offsetLeft || 0,
  			offsetRight = options.offsetRight || 0,
  			horiz = this.horiz,
  			width,
  			height,
  			top,
  			left;
  
  		// Expose basic values to use in Series object and navigator
  		this.left = left = pick(options.left, chart.plotLeft + offsetLeft);
  		this.top = top = pick(options.top, chart.plotTop);
  		this.width = width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight);
  		this.height = height = pick(options.height, chart.plotHeight);
  		this.bottom = chart.chartHeight - height - top;
  		this.right = chart.chartWidth - width - left;
  
  		// Direction agnostic properties
  		this.len = mathMax(horiz ? width : height, 0); // mathMax fixes #905
  		this.pos = horiz ? left : top; // distance from SVG origin
  	},
  
  	/**
  	 * 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);
  	},
  
  	addPlotBand: function (options) {
  		this.addPlotBandOrLine(options, 'plotBands');
  	},
  	
  	addPlotLine: function (options) {
  		this.addPlotBandOrLine(options, 'plotLines');
  	},
  
  	/**
  	 * Add a plot band or plot line after render time
  	 *
  	 * @param options {Object} The plotBand or plotLine configuration object
  	 */
  	addPlotBandOrLine: function (options, coll) {
  		var obj = new PlotLineOrBand(this, options).render(),
  			userOptions = this.userOptions;
  
  		if (obj) { // #2189
  			// Add it to the user options for exporting and Axis.update
  			if (coll) {
  				userOptions[coll] = userOptions[coll] || [];
  				userOptions[coll].push(options); 
  			}
  			this.plotLinesAndBands.push(obj); 
  		}
  		
  		return obj;
  	},
  
  	/**
  	 * Compute auto alignment for the axis label based on which side the axis is on 
  	 * and the given rotation for the label
  	 */
  	autoLabelAlign: function (rotation) {
  		var ret, 
  			angle = (pick(rotation, 0) - (this.side * 90) + 720) % 360;
  
  		if (angle > 15 && angle < 165) {
  			ret = 'right';
  		} else if (angle > 195 && angle < 345) {
  			ret = 'left';
  		} else {
  			ret = 'center';
  		}
  		return ret;
  	},
  
  	/**
  	 * 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,
  			invertedSide = chart.inverted ? [1, 0, 3, 2][side] : side,
  			hasData,
  			showAxis,
  			titleOffset = 0,
  			titleOffsetOption,
  			titleMargin = 0,
  			axisTitleOptions = options.title,
  			labelOptions = options.labels,
  			labelOffset = 0, // reset
  			axisOffset = chart.axisOffset,
  			clipOffset = chart.clipOffset,
  			directionFactor = [-1, 1, 1, -1][side],
  			n,
  			i,
  			autoStaggerLines = 1,
  			maxStaggerLines = pick(labelOptions.maxStaggerLines, 5),
  			sortedPositions,
  			lastRight,
  			overlap,
  			pos,
  			bBox,
  			x,
  			w,
  			lineNo;
  			
  		// For reuse in Axis.render
  		axis.hasData = hasData = (axis.hasVisibleSeries || (defined(axis.min) && defined(axis.max) && !!tickPositions));
  		axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);
  
  		// Set/reset staggerLines
  		axis.staggerLines = axis.horiz && labelOptions.staggerLines;
  		
  		// Create the axisGroup and gridGroup elements on first iteration
  		if (!axis.axisGroup) {
  			axis.gridGroup = renderer.g('grid')
  				.attr({ zIndex: options.gridZIndex || 1 })
  				.add();
  			axis.axisGroup = renderer.g('axis')
  				.attr({ zIndex: options.zIndex || 2 })
  				.add();
  			axis.labelGroup = renderer.g('axis-labels')
  				.attr({ zIndex: labelOptions.zIndex || 7 })
  				.add();
  		}
  
  		if (hasData || axis.isLinked) {
  			
  			// Set the explicit or automatic label alignment
  			axis.labelAlign = pick(labelOptions.align || axis.autoLabelAlign(labelOptions.rotation));
  
  			each(tickPositions, function (pos) {
  				if (!ticks[pos]) {
  					ticks[pos] = new Tick(axis, pos);
  				} else {
  					ticks[pos].addLabel(); // update labels depending on tick interval
  				}
  			});
  
  			// Handle automatic stagger lines
  			if (axis.horiz && !axis.staggerLines && maxStaggerLines && !labelOptions.rotation) {
  				sortedPositions = axis.reversed ? [].concat(tickPositions).reverse() : tickPositions;
  				while (autoStaggerLines < maxStaggerLines) {
  					lastRight = [];
  					overlap = false;
  					
  					for (i = 0; i < sortedPositions.length; i++) {
  						pos = sortedPositions[i];
  						bBox = ticks[pos].label && ticks[pos].label.getBBox();
  						w = bBox ? bBox.width : 0;
  						lineNo = i % autoStaggerLines;
  						
  						if (w) {
  							x = axis.translate(pos); // don't handle log
  							if (lastRight[lineNo] !== UNDEFINED && x < lastRight[lineNo]) {
  								overlap = true;
  							}
  							lastRight[lineNo] = x + w;
  						}
  					}
  					if (overlap) {
  						autoStaggerLines++;
  					} else {
  						break;
  					}
  				}
  
  				if (autoStaggerLines > 1) {
  					axis.staggerLines = autoStaggerLines;
  				}
  			}
  
  
  			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] === axis.labelAlign) {
  
  					// get the highest offset
  					labelOffset = mathMax(
  						ticks[pos].getLabelSize(),
  						labelOffset
  					);
  				}
  
  			});
  			if (axis.staggerLines) {
  				labelOffset *= axis.staggerLines;
  				axis.labelOffset = labelOffset;
  			}
  			
  
  		} else { // doesn't have data
  			for (n in ticks) {
  				ticks[n].destroy();
  				delete ticks[n];
  			}
  		}
  
  		if (axisTitleOptions && axisTitleOptions.text && axisTitleOptions.enabled !== false) { 
  			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
  		);
  		clipOffset[invertedSide] = mathMax(clipOffset[invertedSide], mathFloor(options.lineWidth / 2) * 2);
  	},
  	
  	/**
  	 * 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;
  			
  		if (opposite) {
  			lineWidth *= -1; // crispify the other way - #1480, #1687
  		}
  
  		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,
  			tickmarkOffset = axis.tickmarkOffset,
  			lineWidth = options.lineWidth,
  			linePath,
  			hasRendered = chart.hasRendered,
  			slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
  			hasData = axis.hasData,
  			showAxis = axis.showAxis,
  			from,
  			to;
  
  		// Mark all elements inActive before we go over and mark the active ones
  		each([ticks, minorTicks, alternateBands], function (coll) {
  			var pos;
  			for (pos in coll) {
  				coll[pos].isActive = false;
  			}
  		});
  
  		// 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].render(null, false, 1);
  				});
  			}
  
  			// Major ticks. Pull out the first item and render it last so that
  			// we can get the position of the neighbour label. #808.
  			if (tickPositions.length) { // #1300
  				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].render(i, false, 1);
  					}
  	
  				});
  				// In a categorized axis, the tick marks are displayed between labels. So
  				// we need to add a tick mark and grid line at the left edge of the X axis.
  				if (tickmarkOffset && axis.min === 0) {
  					if (!ticks[-1]) {
  						ticks[-1] = new Tick(axis, -1, null, true);
  					}
  					ticks[-1].render(-1);
  				}
  				
  			}
  
  			// 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 + tickmarkOffset; // #949
  						to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] + tickmarkOffset : 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) {
  					axis.addPlotBandOrLine(plotLineOptions);
  				});
  				axis._addedPlotLB = true;
  			}
  
  		} // end if hasData
  
  		// Remove inactive ticks
  		each([ticks, minorTicks, alternateBands], function (coll) {
  			var pos, 
  				i,
  				forDestruction = [],
  				delay = globalAnimation ? globalAnimation.duration || 500 : 0,
  				destroyInactiveItems = function () {
  					i = forDestruction.length;
  					while (i--) {
  						// When resizing rapidly, the same items may be destroyed in different timeouts,
  						// or the may be reactivated
  						if (coll[forDestruction[i]] && !coll[forDestruction[i]].isActive) {
  							coll[forDestruction[i]].destroy();
  							delete coll[forDestruction[i]];
  						}
  					}
  					
  				};
  
  			for (pos in coll) {
  
  				if (!coll[pos].isActive) {
  					// Render to zero opacity
  					coll[pos].render(pos, false, 0);
  					coll[pos].isActive = false;
  					forDestruction.push(pos);
  				}
  			}
  
  			// When the objects are finished fading out, destroy them
  			if (coll === alternateBands || !chart.hasRendered || !delay) {
  				destroyInactiveItems();
  			} else if (delay) {
  				setTimeout(destroyInactiveItems, delay);
  			}
  		});
  
  		// 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(axis.axisGroup);
  			} 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,
  			options = this.options,
  			userOptions = this.userOptions,
  			i = plotLinesAndBands.length;
  		while (i--) {
  			if (plotLinesAndBands[i].id === id) {
  				plotLinesAndBands[i].destroy();
  			}
  		}
  		each([options.plotLines || [], userOptions.plotLines || [], options.plotBands || [], userOptions.plotBands || []], function (arr) {
  			i = arr.length;
  			while (i--) {
  				if (arr[i].id === id) {
  					erase(arr, arr[i]);
  				}
  			}
  		});
  
  	},
  
  	/**
  	 * Update the axis title by options
  	 */
  	setTitle: function (newTitleOptions, redraw) {
  		this.update({ title: newTitleOptions }, redraw);
  	},
  
  	/**
  	 * Redraw the axis to reflect changes in the data or axis extremes
  	 */
  	redraw: function () {
  		var axis = this,
  			chart = axis.chart,
  			pointer = chart.pointer;
  
  		// hide tooltip and hover states
  		if (pointer.reset) {
  			pointer.reset(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;
  		});
  
  	},
  
  	/**
  	 * Build the stacks from top down
  	 */
  	buildStacks: function () {
  		var series = this.series,
  			i = series.length;
  		if (!this.isXAxis) {
  			while (i--) {
  				series[i].setStackedPoints();
  			}
  			// Loop up again to compute percent stack
  			if (this.usePercentage) {
  				for (i = 0; i < series.length; i++) {
  					series[i].setPercentStacks();
  				}
  			}
  		}
  	},
  
  	/**
  	 * Set new axis categories and optionally redraw
  	 * @param {Array} categories
  	 * @param {Boolean} redraw
  	 */
  	setCategories: function (categories, redraw) {
  		this.update({ categories: categories }, redraw);
  	},
  
  	/**
  	 * Destroys an Axis instance.
  	 */
  	destroy: function (keepEvents) {
  		var axis = this,
  			stacks = axis.stacks,
  			stackKey,
  			plotLinesAndBands = axis.plotLinesAndBands,
  			i;
  
  		// Remove the events
  		if (!keepEvents) {
  			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], function (coll) {
  			destroyObjectProperties(coll);
  		});
  		i = plotLinesAndBands.length;
  		while (i--) { // #1975
  			plotLinesAndBands[i].destroy();
  		}
  
  		// Destroy local variables
  		each(['stackTotalGroup', 'axisLine', 'axisGroup', 'gridGroup', 'labelGroup', '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() {
  	this.init.apply(this, arguments);
  }
  
  Tooltip.prototype = {
  
  	init: function (chart, options) {
  
  		var borderWidth = options.borderWidth,
  			style = options.style,
  			padding = pInt(style.padding);
  
  		// Save the chart and options
  		this.chart = chart;
  		this.options = options;
  
  		// Keep track of the current series
  		//this.currentSeries = UNDEFINED;
  
  		// List of crosshairs
  		this.crosshairs = [];
  
  		// Current values of x and y when animating
  		this.now = { x: 0, y: 0 };
  
  		// The tooltip is initially hidden
  		this.isHidden = true;
  
  
  		// create the label
  		this.label = chart.renderer.label('', 0, 0, options.shape, null, null, options.useHTML, null, 'tooltip')
  			.attr({
  				padding: padding,
  				fill: options.backgroundColor,
  				'stroke-width': borderWidth,
  				r: options.borderRadius,
  				zIndex: 8
  			})
  			.css(style)
  			.css({ padding: 0 }) // Remove it from VML, the padding is applied as an attribute instead (#1117)
  			.add()
  			.attr({ y: -999 }); // #2301
  
  		// 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 material for getting the shared state.
  		this.shared = options.shared;
  	},
  
  	/**
  	 * 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();
  		}
  		clearTimeout(this.hideTimer);
  		clearTimeout(this.tooltipTimeout);
  	},
  
  	/**
  	 * Provide a soft movement for the tooltip
  	 *
  	 * @param {Number} x
  	 * @param {Number} y
  	 * @private
  	 */
  	move: function (x, y, anchorX, anchorY) {
  		var tooltip = this,
  			now = tooltip.now,
  			animate = tooltip.options.animation !== false && !tooltip.isHidden;
  
  		// get intermediate values for animation
  		extend(now, {
  			x: animate ? (2 * now.x + x) / 3 : x,
  			y: animate ? (now.y + y) / 2 : y,
  			anchorX: animate ? (2 * now.anchorX + anchorX) / 3 : anchorX,
  			anchorY: animate ? (now.anchorY + anchorY) / 2 : anchorY
  		});
  
  		// move to the intermediate value
  		tooltip.label.attr(now);
  
  		
  		// run on next tick of the mouse tracker
  		if (animate && (mathAbs(x - now.x) > 1 || mathAbs(y - now.y) > 1)) {
  		
  			// never allow two timeouts
  			clearTimeout(this.tooltipTimeout);
  			
  			// set the fixed interval ticking for the smooth tooltip
  			this.tooltipTimeout = setTimeout(function () {
  				// The interval function may still be running during destroy, so check that the chart is really there before calling.
  				if (tooltip) {
  					tooltip.move(x, y, anchorX, anchorY);
  				}
  			}, 32);
  			
  		}
  	},
  
  	/**
  	 * Hide the tooltip
  	 */
  	hide: function () {
  		var tooltip = this,
  			hoverPoints;
  		
  		clearTimeout(this.hideTimer); // disallow duplicate timers (#1728, #1766)
  		if (!this.isHidden) {
  			hoverPoints = this.chart.hoverPoints;
  
  			this.hideTimer = setTimeout(function () {
  				tooltip.label.fadeOut();
  				tooltip.isHidden = true;
  			}, pick(this.options.hideDelay, 500));
  
  			// hide previous hoverPoints and set new
  			if (hoverPoints) {
  				each(hoverPoints, function (point) {
  					point.setState();
  				});
  			}
  
  			this.chart.hoverPoints = null;
  		}
  	},
  
  	/**
  	 * 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,
  			plotTop = chart.plotTop,
  			plotX = 0,
  			plotY = 0,
  			yAxis;
  		
  		points = splat(points);
  		
  		// Pie uses a special tooltipPos
  		ret = points[0].tooltipPos;
  		
  		// When tooltip follows mouse, relate the position to the mouse
  		if (this.followPointer && mouseEvent) {
  			if (mouseEvent.chartX === UNDEFINED) {
  				mouseEvent = chart.pointer.normalize(mouseEvent);
  			}
  			ret = [
  				mouseEvent.chartX - chart.plotLeft,
  				mouseEvent.chartY - plotTop
  			];
  		}
  		// When shared, use the average position
  		if (!ret) {
  			each(points, function (point) {
  				yAxis = point.series.yAxis;
  				plotX += point.plotX;
  				plotY += (point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY) +
  					(!inverted && yAxis ? yAxis.top - plotTop : 0); // #1151
  			});
  			
  			plotX /= points.length;
  			plotY /= points.length;
  			
  			ret = [
  				inverted ? chart.plotWidth - plotY : plotX,
  				this.shared && !inverted && points.length > 1 && mouseEvent ? 
  					mouseEvent.chartY - 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 + mathMax(pointX, 0) + 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};
  	},
  
  	/**
  	 * In case no user defined formatter is given, this will be used. Note that the context
  	 * here is an object holding point, series, x, y etc.
  	 */
  	defaultFormatter: function (tooltip) {
  		var items = this.points || splat(this),
  			series = items[0].series,
  			s;
  
  		// build the header
  		s = [series.tooltipHeaderFormatter(items[0])];
  
  		// 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(tooltip.options.footerFormat || '');
  
  		return s.join('');
  	},
  
  	/**
  	 * 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,
  			x,
  			y,
  			anchor,
  			textConfig = {},
  			text,
  			pointConfig = [],
  			formatter = options.formatter || tooltip.defaultFormatter,
  			hoverPoints = chart.hoverPoints,
  			borderColor,
  			crosshairsOptions = options.crosshairs,
  			shared = tooltip.shared,
  			currentSeries;
  			
  		clearTimeout(this.hideTimer);
  		
  		// get the reference point coordinates (pie charts use tooltipPos)
  		tooltip.followPointer = splat(point)[0].series.tooltipOptions.followPointer;
  		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
  			
  			chart.hoverPoints = point;
  			if (hoverPoints) {
  				each(hoverPoints, function (point) {
  					point.setState();
  				});
  			}
  
  			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, tooltip);
  
  		// register the current series
  		currentSeries = point.series;
  
  		// update the inner HTML
  		if (text === false) {
  			this.hide();
  		} else {
  
  			// show it
  			if (tooltip.isHidden) {
  				stop(label);
  				label.attr('opacity', 1).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
  			});
  			
  			tooltip.updatePosition({ plotX: x, plotY: y });
  		
  			this.isHidden = false;
  		}
  
  		// crosshairs
  		if (crosshairsOptions) {
  			crosshairsOptions = splat(crosshairsOptions); // [x, y]
  
  			var path,
  				i = crosshairsOptions.length,
  				attribs,
  				axis,
  				val,
  				series;
  
  			while (i--) {
  				series = point.series;
  				axis = series[i ? 'yAxis' : 'xAxis'];
  				if (crosshairsOptions[i] && axis) {
  					val = i ? pick(point.stackY, point.y) : point.x; // #814
  					if (axis.isLog) { // #1671
  						val = log2lin(val);
  					}
  					if (i === 1 && series.modifyValue) { // #1205, #2316
  						val = series.modifyValue(val);
  					}
  
  					path = axis.getPlotLinePath(
  						val,
  						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
  			});
  	},
  	
  	/**
  	 * Find the new position and perform the move
  	 */
  	updatePosition: function (point) {
  		var chart = this.chart,
  			label = this.label, 
  			pos = (this.options.positioner || this.getPosition).call(
  				this,
  				label.width,
  				label.height,
  				point
  			);
  
  		// do the move
  		this.move(
  			mathRound(pos.x), 
  			mathRound(pos.y), 
  			point.plotX + chart.plotLeft, 
  			point.plotY + chart.plotTop
  		);
  	}
  };
  /**
   * The mouse tracker object. All methods starting with "on" are primary DOM event handlers. 
   * Subsequent methods should be named differently from what they are doing.
   * @param {Object} chart The Chart instance
   * @param {Object} options The root options object
   */
  function Pointer(chart, options) {
  	this.init(chart, options);
  }
  
  Pointer.prototype = {
  	/**
  	 * Initialize Pointer
  	 */
  	init: function (chart, options) {
  		
  		var chartOptions = options.chart,
  			chartEvents = chartOptions.events,
  			zoomType = useCanVG ? '' : chartOptions.zoomType,
  			inverted = chart.inverted,
  			zoomX,
  			zoomY;
  
  		// Store references
  		this.options = options;
  		this.chart = chart;
  		
  		// Zoom status
  		this.zoomX = zoomX = /x/.test(zoomType);
  		this.zoomY = zoomY = /y/.test(zoomType);
  		this.zoomHor = (zoomX && !inverted) || (zoomY && inverted);
  		this.zoomVert = (zoomY && !inverted) || (zoomX && inverted);
  
  		// Do we need to handle click on a touch device?
  		this.runChartClick = chartEvents && !!chartEvents.click;
  
  		this.pinchDown = [];
  		this.lastValidTouch = {};
  
  		if (options.tooltip.enabled) {
  			chart.tooltip = new Tooltip(chart, options.tooltip);
  		}
  
  		this.setDOMEvents();
  	}, 
  
  	/**
  	 * Add crossbrowser support for chartX and chartY
  	 * @param {Object} e The event object in standard browsers
  	 */
  	normalize: function (e, chartPosition) {
  		var chartX,
  			chartY,
  			ePos;
  
  		// common IE normalizing
  		e = e || win.event;
  		if (!e.target) {
  			e.target = e.srcElement;
  		}
  
  		// Framework specific normalizing (#1165)
  		e = washMouseEvent(e);
  		
  		// iOS
  		ePos = e.touches ? e.touches.item(0) : e;
  
  		// Get mouse position
  		if (!chartPosition) {
  			this.chartPosition = chartPosition = offset(this.chart.container);
  		}
  
  		// chartX and chartY
  		if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
  			chartX = mathMax(e.x, e.clientX - chartPosition.left); // #2005, #2129: the second case is 
  				// for IE10 quirks mode within framesets
  			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 pointer event
  	 */
  	getCoordinates: function (e) {
  		var coordinates = {
  				xAxis: [],
  				yAxis: []
  			};
  
  		each(this.chart.axes, function (axis) {
  			coordinates[axis.isXAxis ? 'xAxis' : 'yAxis'].push({
  				axis: axis,
  				value: axis.toValue(e[axis.horiz ? 'chartX' : 'chartY'])
  			});
  		});
  		return coordinates;
  	},
  	
  	/**
  	 * Return the index in the tooltipPoints array, corresponding to pixel position in 
  	 * the plot area.
  	 */
  	getIndex: function (e) {
  		var chart = this.chart;
  		return chart.inverted ? 
  			chart.plotHeight + chart.plotTop - e.chartY : 
  			e.chartX - chart.plotLeft;
  	},
  
  	/**
  	 * With line type charts with a single tracker, get the point closest to the mouse.
  	 * Run Point.onMouseOver and display tooltip for the point or points.
  	 */
  	runPointActions: function (e) {
  		var pointer = this,
  			chart = pointer.chart,
  			series = chart.series,
  			tooltip = chart.tooltip,
  			point,
  			points,
  			hoverPoint = chart.hoverPoint,
  			hoverSeries = chart.hoverSeries,
  			i,
  			j,
  			distance = chart.chartWidth,
  			index = pointer.getIndex(e),
  			anchor;
  
  		// shared tooltip
  		if (tooltip && pointer.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];
  					if (point && point.series) { // not a dummy point, #1544
  						point._dist = mathAbs(index - point.clientX);
  						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].clientX !== pointer.hoverX)) {
  				tooltip.refresh(points, e);
  				pointer.hoverX = points[0].clientX;
  			}
  		}
  
  		// 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(e);
  
  			}
  			
  		} else if (tooltip && tooltip.followPointer && !tooltip.isHidden) {
  			anchor = tooltip.getAnchor([{}], e);
  			tooltip.updatePosition({ plotX: anchor[0], plotY: anchor[1] });
  		}
  	},
  
  
  
  	/**
  	 * Reset the tracking by hiding the tooltip, the hover series state and the hover point
  	 * 
  	 * @param allowMove {Boolean} Instead of destroying the tooltip altogether, allow moving it if possible
  	 */
  	reset: function (allowMove) {
  		var pointer = this,
  			chart = pointer.chart,
  			hoverSeries = chart.hoverSeries,
  			hoverPoint = chart.hoverPoint,
  			tooltip = chart.tooltip,
  			tooltipPoints = tooltip && tooltip.shared ? chart.hoverPoints : hoverPoint;
  			
  		// 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();
  			}
  
  			pointer.hoverX = null;
  
  		}
  	},
  
  	/**
  	 * Scale series groups to a certain scale and translation
  	 */
  	scaleGroups: function (attribs, clip) {
  
  		var chart = this.chart,
  			seriesAttribs;
  
  		// Scale each series
  		each(chart.series, function (series) {
  			seriesAttribs = attribs || series.getPlotBox(); // #1701
  			if (series.xAxis && series.xAxis.zoomEnabled) {
  				series.group.attr(seriesAttribs);
  				if (series.markerGroup) {
  					series.markerGroup.attr(seriesAttribs);
  					series.markerGroup.clip(clip ? chart.clipRect : null);
  				}
  				if (series.dataLabelsGroup) {
  					series.dataLabelsGroup.attr(seriesAttribs);
  				}
  			}
  		});
  		
  		// Clip
  		chart.clipRect.attr(clip || chart.clipBox);
  	},
  
  	/**
  	 * Run translation operations for each direction (horizontal and vertical) independently
  	 */
  	pinchTranslateDirection: function (horiz, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch) {
  		var chart = this.chart,
  			xy = horiz ? 'x' : 'y',
  			XY = horiz ? 'X' : 'Y',
  			sChartXY = 'chart' + XY,
  			wh = horiz ? 'width' : 'height',
  			plotLeftTop = chart['plot' + (horiz ? 'Left' : 'Top')],
  			selectionWH,
  			selectionXY,
  			clipXY,
  			scale = 1,
  			inverted = chart.inverted,
  			bounds = chart.bounds[horiz ? 'h' : 'v'],
  			singleTouch = pinchDown.length === 1,
  			touch0Start = pinchDown[0][sChartXY],
  			touch0Now = touches[0][sChartXY],
  			touch1Start = !singleTouch && pinchDown[1][sChartXY],
  			touch1Now = !singleTouch && touches[1][sChartXY],
  			outOfBounds,
  			transformScale,
  			scaleKey,
  			setScale = function () {
  				if (!singleTouch && mathAbs(touch0Start - touch1Start) > 20) { // Don't zoom if fingers are too close on this axis
  					scale = mathAbs(touch0Now - touch1Now) / mathAbs(touch0Start - touch1Start);	
  				}
  				
  				clipXY = ((plotLeftTop - touch0Now) / scale) + touch0Start;
  				selectionWH = chart['plot' + (horiz ? 'Width' : 'Height')] / scale;
  			};
  
  		// Set the scale, first pass
  		setScale();
  
  		selectionXY = clipXY; // the clip position (x or y) is altered if out of bounds, the selection position is not
  
  		// Out of bounds
  		if (selectionXY < bounds.min) {
  			selectionXY = bounds.min;
  			outOfBounds = true;
  		} else if (selectionXY + selectionWH > bounds.max) {
  			selectionXY = bounds.max - selectionWH;
  			outOfBounds = true;
  		}
  		
  		// Is the chart dragged off its bounds, determined by dataMin and dataMax?
  		if (outOfBounds) {
  
  			// Modify the touchNow position in order to create an elastic drag movement. This indicates
  			// to the user that the chart is responsive but can't be dragged further.
  			touch0Now -= 0.8 * (touch0Now - lastValidTouch[xy][0]);
  			if (!singleTouch) {
  				touch1Now -= 0.8 * (touch1Now - lastValidTouch[xy][1]);
  			}
  
  			// Set the scale, second pass to adapt to the modified touchNow positions
  			setScale();
  
  		} else {
  			lastValidTouch[xy] = [touch0Now, touch1Now];
  		}
  
  		
  		// Set geometry for clipping, selection and transformation
  		if (!inverted) { // TODO: implement clipping for inverted charts
  			clip[xy] = clipXY - plotLeftTop;
  			clip[wh] = selectionWH;
  		}
  		scaleKey = inverted ? (horiz ? 'scaleY' : 'scaleX') : 'scale' + XY;
  		transformScale = inverted ? 1 / scale : scale;
  
  		selectionMarker[wh] = selectionWH;
  		selectionMarker[xy] = selectionXY;
  		transform[scaleKey] = scale;
  		transform['translate' + XY] = (transformScale * plotLeftTop) + (touch0Now - (transformScale * touch0Start));
  	},
  	
  	/**
  	 * Handle touch events with two touches
  	 */
  	pinch: function (e) {
  
  		var self = this,
  			chart = self.chart,
  			pinchDown = self.pinchDown,
  			followTouchMove = chart.tooltip && chart.tooltip.options.followTouchMove,
  			touches = e.touches,
  			touchesLength = touches.length,
  			lastValidTouch = self.lastValidTouch,
  			zoomHor = self.zoomHor || self.pinchHor,
  			zoomVert = self.zoomVert || self.pinchVert,
  			hasZoom = zoomHor || zoomVert,
  			selectionMarker = self.selectionMarker,
  			transform = {},
  			fireClickEvent = touchesLength === 1 && ((self.inClass(e.target, PREFIX + 'tracker') && 
  				chart.runTrackerClick) || chart.runChartClick),
  			clip = {};
  
  		// On touch devices, only proceed to trigger click if a handler is defined
  		if ((hasZoom || followTouchMove) && !fireClickEvent) {
  			e.preventDefault();
  		}
  		
  		// Normalize each touch
  		map(touches, function (e) {
  			return self.normalize(e);
  		});
  			
  		// Register the touch start position
  		if (e.type === 'touchstart') {
  			each(touches, function (e, i) {
  				pinchDown[i] = { chartX: e.chartX, chartY: e.chartY };
  			});
  			lastValidTouch.x = [pinchDown[0].chartX, pinchDown[1] && pinchDown[1].chartX];
  			lastValidTouch.y = [pinchDown[0].chartY, pinchDown[1] && pinchDown[1].chartY];
  
  			// Identify the data bounds in pixels
  			each(chart.axes, function (axis) {
  				if (axis.zoomEnabled) {
  					var bounds = chart.bounds[axis.horiz ? 'h' : 'v'],
  						minPixelPadding = axis.minPixelPadding,
  						min = axis.toPixels(axis.dataMin),
  						max = axis.toPixels(axis.dataMax),
  						absMin = mathMin(min, max),
  						absMax = mathMax(min, max);
  
  					// Store the bounds for use in the touchmove handler
  					bounds.min = mathMin(axis.pos, absMin - minPixelPadding);
  					bounds.max = mathMax(axis.pos + axis.len, absMax + minPixelPadding);
  				}
  			});
  		
  		// Event type is touchmove, handle panning and pinching
  		} else if (pinchDown.length) { // can be 0 when releasing, if touchend fires first
  			
  
  			// Set the marker
  			if (!selectionMarker) {
  				self.selectionMarker = selectionMarker = extend({
  					destroy: noop
  				}, chart.plotBox);
  			}
  
  			
  
  			if (zoomHor) {
  				self.pinchTranslateDirection(true, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
  			}
  			if (zoomVert) {
  				self.pinchTranslateDirection(false, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
  			}
  
  			self.hasPinched = hasZoom;
  
  			// Scale and translate the groups to provide visual feedback during pinching
  			self.scaleGroups(transform, clip);
  			
  			// Optionally move the tooltip on touchmove
  			if (!hasZoom && followTouchMove && touchesLength === 1) {
  				this.runPointActions(self.normalize(e));
  			}
  		}
  	},
  
  	/**
  	 * Start a drag operation
  	 */
  	dragStart: function (e) {
  		var chart = this.chart;
  
  		// Record the start position
  		chart.mouseIsDown = e.type;
  		chart.cancelClick = false;
  		chart.mouseDownX = this.mouseDownX = e.chartX;
  		chart.mouseDownY = this.mouseDownY = e.chartY;
  	},
  
  	/**
  	 * Perform a drag operation in response to a mousemove event while the mouse is down
  	 */
  	drag: function (e) {
  
  		var chart = this.chart,
  			chartOptions = chart.options.chart,
  			chartX = e.chartX,
  			chartY = e.chartY,
  			zoomHor = this.zoomHor,
  			zoomVert = this.zoomVert,
  			plotLeft = chart.plotLeft,
  			plotTop = chart.plotTop,
  			plotWidth = chart.plotWidth,
  			plotHeight = chart.plotHeight,
  			clickedInside,
  			size,
  			mouseDownX = this.mouseDownX,
  			mouseDownY = this.mouseDownY;
  
  		// If the mouse is outside the plot area, adjust to cooordinates
  		// inside to prevent the selection marker from going outside
  		if (chartX < plotLeft) {
  			chartX = plotLeft;
  		} else if (chartX > plotLeft + plotWidth) {
  			chartX = plotLeft + plotWidth;
  		}
  
  		if (chartY < plotTop) {
  			chartY = plotTop;
  		} else if (chartY > plotTop + plotHeight) {
  			chartY = plotTop + plotHeight;
  		}
  		
  		// determine if the mouse has moved more than 10px
  		this.hasDragged = Math.sqrt(
  			Math.pow(mouseDownX - chartX, 2) +
  			Math.pow(mouseDownY - chartY, 2)
  		);
  		if (this.hasDragged > 10) {
  			clickedInside = chart.isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop);
  
  			// make a selection
  			if (chart.hasCartesianSeries && (this.zoomX || this.zoomY) && clickedInside) {
  				if (!this.selectionMarker) {
  					this.selectionMarker = chart.renderer.rect(
  						plotLeft,
  						plotTop,
  						zoomHor ? 1 : plotWidth,
  						zoomVert ? 1 : plotHeight,
  						0
  					)
  					.attr({
  						fill: chartOptions.selectionMarkerFill || 'rgba(69,114,167,0.25)',
  						zIndex: 7
  					})
  					.add();
  				}
  			}
  
  			// adjust the width of the selection marker
  			if (this.selectionMarker && zoomHor) {
  				size = chartX - mouseDownX;
  				this.selectionMarker.attr({
  					width: mathAbs(size),
  					x: (size > 0 ? 0 : size) + mouseDownX
  				});
  			}
  			// adjust the height of the selection marker
  			if (this.selectionMarker && zoomVert) {
  				size = chartY - mouseDownY;
  				this.selectionMarker.attr({
  					height: mathAbs(size),
  					y: (size > 0 ? 0 : size) + mouseDownY
  				});
  			}
  
  			// panning
  			if (clickedInside && !this.selectionMarker && chartOptions.panning) {
  				chart.pan(e, chartOptions.panning);
  			}
  		}
  	},
  
  	/**
  	 * On mouse up or touch end across the entire document, drop the selection.
  	 */
  	drop: function (e) {
  		var chart = this.chart,
  			hasPinched = this.hasPinched;
  
  		if (this.selectionMarker) {
  			var selectionData = {
  					xAxis: [],
  					yAxis: [],
  					originalEvent: e.originalEvent || e
  				},
  				selectionBox = this.selectionMarker,
  				selectionLeft = selectionBox.x,
  				selectionTop = selectionBox.y,
  				runZoom;
  			// a selection has been made
  			if (this.hasDragged || hasPinched) {
  
  				// record each axis' min and max
  				each(chart.axes, function (axis) {
  					if (axis.zoomEnabled) {
  						var horiz = axis.horiz,
  							selectionMin = axis.toValue((horiz ? selectionLeft : selectionTop)),
  							selectionMax = axis.toValue((horiz ? selectionLeft + selectionBox.width : selectionTop + selectionBox.height));
  
  						if (!isNaN(selectionMin) && !isNaN(selectionMax)) { // #859
  							selectionData[axis.xOrY + 'Axis'].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(extend(args, hasPinched ? { animation: false } : null)); 
  					});
  				}
  
  			}
  			this.selectionMarker = this.selectionMarker.destroy();
  
  			// Reset scaling preview
  			if (hasPinched) {
  				this.scaleGroups();
  			}
  		}
  
  		// Reset all
  		if (chart) { // it may be destroyed on mouse up - #877
  			css(chart.container, { cursor: chart._cursor });
  			chart.cancelClick = this.hasDragged > 10; // #370
  			chart.mouseIsDown = this.hasDragged = this.hasPinched = false;
  			this.pinchDown = [];
  		}
  	},
  
  	onContainerMouseDown: function (e) {
  
  		e = this.normalize(e);
  
  		// issue #295, dragging not always working in Firefox
  		if (e.preventDefault) {
  			e.preventDefault();
  		}
  		
  		this.dragStart(e);
  	},
  
  	
  
  	onDocumentMouseUp: function (e) {
  		this.drop(e);
  	},
  
  	/**
  	 * Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
  	 * Issue #149 workaround. The mouseleave event does not always fire. 
  	 */
  	onDocumentMouseMove: function (e) {
  		var chart = this.chart,
  			chartPosition = this.chartPosition,
  			hoverSeries = chart.hoverSeries;
  
  		e = this.normalize(e, chartPosition);
  
  		// If we're outside, hide the tooltip
  		if (chartPosition && hoverSeries && !this.inClass(e.target, 'highcharts-tracker') &&
  				!chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
  			this.reset();
  		}
  	},
  
  	/**
  	 * When mouse leaves the container, hide the tooltip.
  	 */
  	onContainerMouseLeave: function () {
  		this.reset();
  		this.chartPosition = null; // also reset the chart position, used in #149 fix
  	},
  
  	// The mousemove, touchmove and touchstart event handler
  	onContainerMouseMove: function (e) {
  
  		var chart = this.chart;
  
  		// normalize
  		e = this.normalize(e);
  
  		// #295
  		e.returnValue = false;
  		
  		
  		if (chart.mouseIsDown === 'mousedown') {
  			this.drag(e);
  		} 
  		
  		// Show the tooltip and run mouse over events (#977)
  		if ((this.inClass(e.target, 'highcharts-tracker') || 
  				chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) && !chart.openMenu) {
  			this.runPointActions(e);
  		}
  	},
  
  	/**
  	 * Utility to detect whether an element has, or has a parent with, a specific
  	 * class name. Used on detection of tracker objects and on deciding whether
  	 * hovering the tooltip should cause the active series to mouse out.
  	 */
  	inClass: function (element, className) {
  		var elemClassName;
  		while (element) {
  			elemClassName = attr(element, 'class');
  			if (elemClassName) {
  				if (elemClassName.indexOf(className) !== -1) {
  					return true;
  				} else if (elemClassName.indexOf(PREFIX + 'container') !== -1) {
  					return false;
  				}
  			}
  			element = element.parentNode;
  		}		
  	},
  
  	onTrackerMouseOut: function (e) {
  		var series = this.chart.hoverSeries;
  		if (series && !series.options.stickyTracking && !this.inClass(e.toElement || e.relatedTarget, PREFIX + 'tooltip')) {
  			series.onMouseOut();
  		}
  	},
  
  	onContainerClick: function (e) {
  		var chart = this.chart,
  			hoverPoint = chart.hoverPoint, 
  			plotLeft = chart.plotLeft,
  			plotTop = chart.plotTop,
  			inverted = chart.inverted,
  			chartPosition,
  			plotX,
  			plotY;
  		
  		e = this.normalize(e);
  		e.cancelBubble = true; // IE specific
  
  		if (!chart.cancelClick) {
  			
  			// On tracker click, fire the series and point events. #783, #1583
  			if (hoverPoint && this.inClass(e.target, PREFIX + 'tracker')) {
  				chartPosition = this.chartPosition;
  				plotX = hoverPoint.plotX;
  				plotY = hoverPoint.plotY;
  
  				// add page position info
  				extend(hoverPoint, {
  					pageX: chartPosition.left + plotLeft +
  						(inverted ? chart.plotWidth - plotY : plotX),
  					pageY: chartPosition.top + plotTop +
  						(inverted ? chart.plotHeight - plotX : plotY)
  				});
  			
  				// the series click event
  				fireEvent(hoverPoint.series, 'click', extend(e, {
  					point: hoverPoint
  				}));
  
  				// the point click event
  				if (chart.hoverPoint) { // it may be destroyed (#1844)
  					hoverPoint.firePointEvent('click', e);
  				}
  
  			// When clicking outside a tracker, fire a chart event
  			} else {
  				extend(e, this.getCoordinates(e));
  
  				// fire a click event in the chart
  				if (chart.isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) {
  					fireEvent(chart, 'click', e);
  				}
  			}
  
  
  		}
  	},
  
  	onContainerTouchStart: function (e) {
  		var chart = this.chart;
  
  		if (e.touches.length === 1) {
  
  			e = this.normalize(e);
  
  			if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
  
  				// Prevent the click pseudo event from firing unless it is set in the options
  				/*if (!chart.runChartClick) {
  					e.preventDefault();
  				}*/
  			
  				// Run mouse events and display tooltip etc
  				this.runPointActions(e);
  
  				this.pinch(e);
  
  			} else {
  				// Hide the tooltip on touching outside the plot area (#1203)
  				this.reset();
  			}
  
  		} else if (e.touches.length === 2) {
  			this.pinch(e);
  		}		
  	},
  
  	onContainerTouchMove: function (e) {
  		if (e.touches.length === 1 || e.touches.length === 2) {
  			this.pinch(e);
  		}
  	},
  
  	onDocumentTouchEnd: function (e) {
  		this.drop(e);
  	},
  
  	/**
  	 * Set the JS DOM events on the container and document. This method should contain
  	 * a one-to-one assignment between methods and their handlers. Any advanced logic should
  	 * be moved to the handler reflecting the event's name.
  	 */
  	setDOMEvents: function () {
  
  		var pointer = this,
  			container = pointer.chart.container,
  			events;
  
  		this._events = events = [
  			[container, 'onmousedown', 'onContainerMouseDown'],
  			[container, 'onmousemove', 'onContainerMouseMove'],
  			[container, 'onclick', 'onContainerClick'],
  			[container, 'mouseleave', 'onContainerMouseLeave'],
  			[doc, 'mousemove', 'onDocumentMouseMove'],
  			[doc, 'mouseup', 'onDocumentMouseUp']
  		];
  
  		if (hasTouch) {
  			events.push(
  				[container, 'ontouchstart', 'onContainerTouchStart'],
  				[container, 'ontouchmove', 'onContainerTouchMove'],
  				[doc, 'touchend', 'onDocumentTouchEnd']
  			);
  		}
  
  		each(events, function (eventConfig) {
  
  			// First, create the callback function that in turn calls the method on Pointer
  			pointer['_' + eventConfig[2]] = function (e) {
  				pointer[eventConfig[2]](e);
  			};
  
  			// Now attach the function, either as a direct material or through addEvent
  			if (eventConfig[1].indexOf('on') === 0) {
  				eventConfig[0][eventConfig[1]] = pointer['_' + eventConfig[2]];
  			} else {
  				addEvent(eventConfig[0], eventConfig[1], pointer['_' + eventConfig[2]]);
  			}
  		});
  
  		
  	},
  
  	/**
  	 * Destroys the Pointer object and disconnects DOM events.
  	 */
  	destroy: function () {
  		var pointer = this;
  
  		// Release all DOM events
  		each(pointer._events, function (eventConfig) {	
  			if (eventConfig[1].indexOf('on') === 0) {
  				eventConfig[0][eventConfig[1]] = null; // delete breaks oldIE
  			} else {		
  				removeEvent(eventConfig[0], eventConfig[1], pointer['_' + eventConfig[2]]);
  			}
  		});
  		delete pointer._events;
  
  		// memory and CPU leak
  		clearInterval(pointer.tooltipTimeout);
  	}
  };
  /**
   * The overview of the chart's series
   */
  function Legend(chart, options) {
  	this.init(chart, options);
  }
  
  Legend.prototype = {
  	
  	/**
  	 * Initialize the legend
  	 */
  	init: function (chart, options) {
  		
  		var legend = this,
  			itemStyle = options.itemStyle,
  			padding = pick(options.padding, 8),
  			itemMarginTop = options.itemMarginTop || 0;
  	
  		this.options = options;
  
  		if (!options.enabled) {
  			return;
  		}
  	
  		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.itemHeight = 0;
  		legend.lastLineHeight = 0;
  
  		// Render it
  		legend.render();
  
  		// move checkboxes
  		addEvent(legend.chart, 'endResize', function () { 
  			legend.positionCheckboxes();
  		});
  
  	},
  
  	/**
  	 * 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,
  			markerOptions = item.options && item.options.marker,
  			symbolAttr = {
  				stroke: symbolColor,
  				fill: symbolColor
  			},
  			key,
  			val;
  		
  		if (legendItem) {
  			legendItem.css({ fill: textColor, color: textColor }); // color for #1553, oldIE
  		}
  		if (legendLine) {
  			legendLine.attr({ stroke: symbolColor });
  		}
  		
  		if (legendSymbol) {
  			
  			// Apply marker options
  			if (markerOptions && legendSymbol.isMarker) { // #585
  				markerOptions = item.convertAttribs(markerOptions);
  				for (key in markerOptions) {
  					val = markerOptions[key];
  					if (val !== UNDEFINED) {
  						symbolAttr[key] = val;
  					}
  				}
  			}
  
  			legendSymbol.attr(symbolAttr);
  		}
  	},
  
  	/**
  	 * 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] = 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 (scrollOffset) {
  		var alignAttr = this.group.alignAttr,
  			translateY,
  			clipHeight = this.clipHeight || this.legendHeight;
  
  		if (alignAttr) {
  			translateY = alignAttr.translateY;
  			each(this.allItems, function (item) {
  				var checkbox = item.checkbox,
  					top;
  				
  				if (checkbox) {
  					top = (translateY + checkbox.y + (scrollOffset || 0) + 3);
  					css(checkbox, {
  						left: (alignAttr.translateX + item.legendItemWidth + checkbox.x - 20) + PX,
  						top: top + PX,
  						display: top > translateY - 6 && top < translateY + clipHeight - 6 ? '' : NONE
  					});
  				}
  			});
  		}
  	},
  	
  	/**
  	 * Render the legend title on top of the legend
  	 */
  	renderTitle: function () {
  		var options = this.options,
  			padding = this.padding,
  			titleOptions = options.title,
  			titleHeight = 0,
  			bBox;
  		
  		if (titleOptions.text) {
  			if (!this.title) {
  				this.title = this.chart.renderer.label(titleOptions.text, padding - 3, padding - 4, null, null, null, null, null, 'legend-title')
  					.attr({ zIndex: 1 })
  					.css(titleOptions.style)
  					.add(this.group);
  			}
  			bBox = this.title.getBBox();
  			titleHeight = bBox.height;
  			this.offsetWidth = bBox.width; // #1717
  			this.contentGroup.attr({ translateY: titleHeight });
  		}
  		this.titleHeight = titleHeight;
  	},
  
  	/**
  	 * 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,
  			itemDistance = horizontal ? pick(options.itemDistance, 8) : 0,
  			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,
  			useHTML = options.useHTML;
  
  		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.labelFormat ? format(options.labelFormat, item) : options.labelFormatter.call(item),
  					ltr ? symbolWidth + symbolPadding : -symbolPadding,
  					legend.baseline,
  					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, or in case of useHTML, the item itself (#1249)
  			(useHTML ? li : 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 + itemDistance +
  			(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 - itemDistance : itemWidth) + padding,
  			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')
  				.attr({ zIndex: 7 }) 
  				.add();
  			legend.contentGroup = renderer.g()
  				.attr({ zIndex: 1 }) // above background
  				.add(legendGroup);
  			legend.scrollGroup = renderer.g()
  				.add(legend.contentGroup);
  		}
  		
  		legend.renderTitle();
  
  		// add each series or point
  		allItems = [];
  		each(chart.series, function (serie) {
  			var seriesOptions = serie.options;
  
  			if (!seriesOptions.showInLegend || defined(seriesOptions.linkedTo)) {
  				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 && a.options.legendIndex) || 0) - ((b.options && 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 + legend.titleHeight;
  		
  		
  		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, '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,
  			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 && !options.useHTML) {
  
  			this.clipHeight = clipHeight = spaceHeight - 20 - this.titleHeight;
  			this.pageCount = pageCount = mathCeil(legendHeight / clipHeight);
  			this.currentPage = pick(this.currentPage, 1);
  			this.fullHeight = legendHeight;
  			
  			// Only apply clipping if needed. Clipping causes blurred legend in PDF export (#1787)
  			if (!clipRect) {
  				clipRect = legend.clipRect = renderer.clipRect(0, 0, 9999, 0);
  				legend.contentGroup.clip(clipRect);
  			}
  			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
  			});
  			this.clipHeight = 0; // #1379
  		}
  		
  		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,
  			scrollOffset;
  		
  		// 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 + this.titleHeight,
  				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'
  				});
  			
  			scrollOffset = -mathMin(clipHeight * (currentPage - 1), this.fullHeight - clipHeight + padding) + 1;
  			this.scrollGroup.animate({
  				translateY: scrollOffset
  			});
  			pager.attr({
  				text: currentPage + '/' + pageCount
  			});
  			
  			
  			this.currentPage = currentPage;
  			this.positionCheckboxes(scrollOffset);
  		}
  			
  	}
  	
  };
  
  // Workaround for #2030, horizontal legend items not displaying in IE11 Preview.
  // TODO: When IE11 is released, check again for this bug, and remove the fix
  // or make a better one.
  if (/Trident.*?11\.0/.test(userAgent)) {
  	wrap(Legend.prototype, 'positionItem', function (proceed, item) {
  		var legend = this;
  		setTimeout(function () {
  			proceed.call(legend, item);
  		});
  	});
  }
  
  /**
   * The chart class
   * @param {Object} options
   * @param {Function} callback Function to run when the chart has loaded
   */
  function Chart() {
  	this.init.apply(this, arguments);
  }
  
  Chart.prototype = {
  
  	/**
  	 * Initialize the chart
  	 */
  	init: function (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;
  		
  		// Create margin & spacing array
  		this.margin = this.splashArray('margin', optionsChart);
  		this.spacing = this.splashArray('spacing', optionsChart);
  
  		var chartEvents = optionsChart.events;
  
  		//this.runChartClick = chartEvents && !!chartEvents.click;
  		this.bounds = { h: {}, v: {} }; // Pixel data bounds for touch zoom
  
  		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.spacingBox = UNDEFINED
  
  		//this.legend = UNDEFINED;
  
  		// Elements
  		//this.chartBackground = UNDEFINED;
  		//this.plotBackground = UNDEFINED;
  		//this.plotBGImage = UNDEFINED;
  		//this.plotBorder = UNDEFINED;
  		//this.loadingDiv = UNDEFINED;
  		//this.loadingSpan = UNDEFINED;
  
  		var chart = this,
  			eventType;
  
  		// Add the chart to the global lookup
  		chart.index = charts.length;
  		charts.push(chart);
  
  		// Set up auto resize
  		if (optionsChart.reflow !== false) {
  			addEvent(chart, 'load', function () {
  				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.pointCount = 0;
  		chart.counters = new ChartCounters();
  
  		chart.firstRender();
  	},
  
  	/**
  	 * 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,
  			constr = seriesTypes[type];
  
  		// No such series type
  		if (!constr) {
  			error(17, true);
  		}
  
  		series = new constr();
  		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) {
  			redraw = pick(redraw, true); // defaults to true
  
  			fireEvent(chart, 'addSeries', { options: options }, function () {
  				series = chart.initSeries(options);
  				
  				chart.isDirtyLegend = true; // the series array is out of sync with the display
  				chart.linkSeries();
  				if (redraw) {
  					chart.redraw(animation);
  				}
  			});
  		}
  
  		return series;
  	},
  
  	/**
       * Add an axis to the chart
       * @param {Object} options The axis option
       * @param {Boolean} isX Whether it is an X axis or a value axis
       */
  	addAxis: function (options, isX, redraw, animation) {
  		var key = isX ? 'xAxis' : 'yAxis',
  			chartOptions = this.options,
  			axis;
  
  		/*jslint unused: false*/
  		axis = new Axis(this, merge(options, {
  			index: this[key].length,
  			isX: isX
  		}));
  		/*jslint unused: true*/
  
  		// Push the new axis options to the chart options
  		chartOptions[key] = splat(chartOptions[key] || {});
  		chartOptions[key].push(options);
  
  		if (pick(redraw, true)) {
  			this.redraw(animation);
  		}
  	},
  
  	/**
  	 * Check whether a given point is within the plot area
  	 *
  	 * @param {Number} plotX Pixel x relative to the plot area
  	 * @param {Number} plotY Pixel y relative to the plot area
  	 * @param {Boolean} inverted Whether the chart is inverted
  	 */
  	isInsidePlot: function (plotX, plotY, inverted) {
  		var x = inverted ? plotY : plotX,
  			y = inverted ? plotX : plotY;
  			
  		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,
  			pointer = chart.pointer,
  			legend = chart.legend,
  			redrawLegend = chart.isDirtyLegend,
  			hasStackedSeries,
  			hasDirtyStacks,
  			isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
  			seriesLength = series.length,
  			i = seriesLength,
  			serie,
  			renderer = chart.renderer,
  			isHiddenChart = renderer.isHidden(),
  			afterRedraw = [];
  			
  		setAnimation(animation, chart);
  		
  		if (isHiddenChart) {
  			chart.cloneRenderTo();
  		}
  
  		// Adjust title layout (reflow multiline text)
  		chart.layOutTitles();
  
  		// link stacked series
  		while (i--) {
  			serie = series[i];
  
  			if (serie.options.stacking) {
  				hasStackedSeries = true;
  				
  				if (serie.isDirty) {
  					hasDirtyStacks = true;
  					break;
  				}
  			}
  		}
  		if (hasDirtyStacks) { // 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;
  		}
  
  		// reset stacks
  		if (hasStackedSeries) {
  			chart.getStacks();
  		}
  
  
  		if (chart.hasCartesianSeries) {
  			if (!chart.isResizing) {
  
  				// reset maxTicks
  				chart.maxTicks = null;
  
  				// set axes scales
  				each(axes, function (axis) {
  					axis.setScale();
  				});
  			}
  
  			chart.adjustTickAmounts();
  			chart.getMargins();
  
  			// If one axis is dirty, all axes must be redrawn (#792, #2169)
  			each(axes, function (axis) {
  				if (axis.isDirty) {
  					isDirtyBox = true;
  				}
  			});
  
  			// redraw axes
  			each(axes, function (axis) {
  				
  				// Fire 'afterSetExtremes' only if extremes are set
  				if (axis.isDirtyExtremes) { // #821
  					axis.isDirtyExtremes = false;
  					afterRedraw.push(function () { // prevent a recursive call to chart.redraw() (#1119)
  						fireEvent(axis, 'afterSetExtremes', extend(axis.eventArgs, axis.getExtremes())); // #747, #751
  						delete axis.eventArgs;
  					});
  				}
  				
  				if (isDirtyBox || hasStackedSeries) {
  					axis.redraw();
  				}
  			});
  
  
  		}
  		// the plot areas size has changed
  		if (isDirtyBox) {
  			chart.drawChartBox();
  		}
  
  
  		// 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 (pointer && pointer.reset) {
  			pointer.reset(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);
  		}
  		
  		// Fire callbacks that are put on hold until after the redraw
  		each(afterRedraw, function (callback) {
  			callback.call();
  		});
  	},
  
  
  
  	/**
  	 * 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, {
  				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: '',
  				left: chart.plotLeft + PX,
  				top: chart.plotTop + PX,
  				width: chart.plotWidth + PX,
  				height: chart.plotHeight + PX
  			});
  			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,
  			xAxisOptions = options.xAxis = splat(options.xAxis || {}),
  			yAxisOptions = options.yAxis = splat(options.yAxis || {}),
  			optionsArray,
  			axis;
  
  		// make sure the options are arrays and add some members
  		each(xAxisOptions, function (axis, i) {
  			axis.index = i;
  			axis.isX = true;
  		});
  
  		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;
  		});
  	},
  
  	/**
  	 * Generate stacks for each series and calculate stacks total values
  	 */
  	getStacks: function () {
  		var chart = this;
  
  		// reset stacks for each yAxis
  		each(chart.yAxis, function (axis) {
  			if (axis.stacks && axis.hasVisibleSeries) {
  				axis.oldStacks = axis.stacks;
  			}
  		});
  
  		each(chart.series, function (series) {
  			if (series.options.stacking && (series.visible === true || chart.options.chart.ignoreHiddenSeries === false)) {
  				series.stackKey = series.type + pick(series.options.stack, '');
  			}
  		});
  	},
  
  	/**
  	 * Display the zoom button
  	 */
  	showResetZoom: function () {
  		var chart = this,
  			lang = defaultOptions.lang,
  			btnOptions = chart.options.chart.resetZoomButton,
  			theme = btnOptions.theme,
  			states = theme.states,
  			alignTo = btnOptions.relativeTo === 'chart' ? null : 'plotBox';
  			
  		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, alignTo);
  			
  	},
  
  	/**
  	 * Zoom out to 1:1
  	 */
  	zoomOut: function () {
  		var chart = this;
  		fireEvent(chart, 'selection', { resetSelection: true }, function () { 
  			chart.zoom();
  		});
  	},
  
  	/**
  	 * Zoom into a given portion of the chart given by axis coordinates
  	 * @param {Object} event
  	 */
  	zoom: function (event) {
  		var chart = this,
  			hasZoomed,
  			pointer = chart.pointer,
  			displayButton = false,
  			resetZoomButton;
  
  		// If zoom is called with no arguments, reset the axes
  		if (!event || event.resetSelection) {
  			each(chart.axes, function (axis) {
  				hasZoomed = axis.zoom();
  			});
  		} else { // else, zoom in on all axes
  			each(event.xAxis.concat(event.yAxis), function (axisData) {
  				var axis = axisData.axis,
  					isXAxis = axis.isXAxis;
  
  				// don't zoom more than minRange
  				if (pointer[isXAxis ? 'zoomX' : 'zoomY'] || pointer[isXAxis ? 'pinchX' : 'pinchY']) {
  					hasZoomed = axis.zoom(axisData.min, axisData.max);
  					if (axis.displayBtn) {
  						displayButton = true;
  					}
  				}
  			});
  		}
  		
  		// Show or hide the Reset zoom button
  		resetZoomButton = chart.resetZoomButton;
  		if (displayButton && !resetZoomButton) {
  			chart.showResetZoom();
  		} else if (!displayButton && isObject(resetZoomButton)) {
  			chart.resetZoomButton = resetZoomButton.destroy();
  		}
  		
  
  		// Redraw
  		if (hasZoomed) {
  			chart.redraw(
  				pick(chart.options.chart.animation, event && event.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 (e, panning) {
  
  		var chart = this,
  			hoverPoints = chart.hoverPoints,
  			doRedraw;
  
  		// remove active points for shared tooltip
  		if (hoverPoints) {
  			each(hoverPoints, function (point) {
  				point.setState();
  			});
  		}
  
  		each(panning === 'xy' ? [1, 0] : [1], function (isX) { // xy is used in maps
  			var mousePos = e[isX ? 'chartX' : 'chartY'],
  				axis = chart[isX ? 'xAxis' : 'yAxis'][0],
  				startPos = chart[isX ? 'mouseDownX' : 'mouseDownY'],
  				halfPointRange = (axis.pointRange || 0) / 2,
  				extremes = axis.getExtremes(),
  				newMin = axis.toValue(startPos - mousePos, true) + halfPointRange,
  				newMax = axis.toValue(startPos + chart[isX ? 'plotWidth' : 'plotHeight'] - mousePos, true) - halfPointRange;
  
  			if (axis.series.length && newMin > mathMin(extremes.dataMin, extremes.min) && newMax < mathMax(extremes.dataMax, extremes.max)) {
  				axis.setExtremes(newMin, newMax, false, false, { trigger: 'pan' });
  				doRedraw = true;
  			}
  
  			chart[isX ? 'mouseDownX' : 'mouseDownY'] = mousePos; // set new reference for next run
  		});
  
  		if (doRedraw) {
  			chart.redraw(false);
  		}
  		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;
  
  		chartTitleOptions = options.title = merge(options.title, titleOptions);
  		chartSubtitleOptions = options.subtitle = 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) {
  				chart[name] = 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();
  			}	
  		});
  		chart.layOutTitles();
  	},
  
  	/**
  	 * Lay out the chart titles and cache the full offset height for use in getMargins
  	 */
  	layOutTitles: function () {
  		var titleOffset = 0,
  			title = this.title,
  			subtitle = this.subtitle,
  			options = this.options,
  			titleOptions = options.title,
  			subtitleOptions = options.subtitle,
  			autoWidth = this.spacingBox.width - 44; // 44 makes room for default context button
  
  		if (title) {
  			title
  				.css({ width: (titleOptions.width || autoWidth) + PX })
  				.align(extend({ y: 15 }, titleOptions), false, 'spacingBox');
  			
  			if (!titleOptions.floating && !titleOptions.verticalAlign) {
  				titleOffset = title.getBBox().height;
  
  				// Adjust for browser consistency + backwards compat after #776 fix
  				if (titleOffset >= 18 && titleOffset <= 25) {
  					titleOffset = 15; 
  				}
  			}
  		}
  		if (subtitle) {
  			subtitle
  				.css({ width: (subtitleOptions.width || autoWidth) + PX })
  				.align(extend({ y: titleOffset + titleOptions.margin }, subtitleOptions), false, 'spacingBox');
  			
  			if (!subtitleOptions.floating && !subtitleOptions.verticalAlign) {
  				titleOffset = mathCeil(titleOffset + subtitle.getBBox().height);
  			}
  		}
  
  		this.titleOffset = titleOffset; // used in getMargins
  	},
  
  	/**
  	 * 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 = mathMax(0, optionsChart.width || chart.containerWidth || 600); // #1393, 1460
  		chart.chartHeight = mathMax(0, pick(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 && container.parentNode === this.renderTo) {
  				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,
  			indexAttrName = 'data-highcharts-chart',
  			oldChartIndex,
  			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);
  		}
  		
  		// If the container already holds a chart, destroy it
  		oldChartIndex = pInt(attr(renderTo, indexAttrName));
  		if (!isNaN(oldChartIndex) && charts[oldChartIndex]) {
  			charts[oldChartIndex].destroy();
  		}		
  		
  		// Make a reference to the chart from the div
  		attr(renderTo, indexAttrName, chart.index);
  
  		// 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
  				zIndex: 0, // #1072
  				'-webkit-tap-highlight-color': 'rgba(0,0,0,0)'
  			}, optionsChart.style),
  			chart.renderToClone || renderTo
  		);
  
  		// cache the cursor (#1650)
  		chart._cursor = container.style.cursor;
  
  		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,
  			spacing = chart.spacing,
  			axisOffset,
  			legend = chart.legend,
  			margin = chart.margin,
  			legendOptions = chart.options.legend,
  			legendMargin = pick(legendOptions.margin, 10),
  			legendX = legendOptions.x,
  			legendY = legendOptions.y,
  			align = legendOptions.align,
  			verticalAlign = legendOptions.verticalAlign,
  			titleOffset = chart.titleOffset;
  
  		chart.resetMargins();
  		axisOffset = chart.axisOffset;
  
  		// Adjust for title and subtitle
  		if (titleOffset && !defined(margin[0])) {
  			chart.plotTop = mathMax(chart.plotTop, titleOffset + chart.options.title.margin + spacing[0]);
  		}
  		
  		// Adjust for legend
  		if (legend.display && !legendOptions.floating) {
  			if (align === 'right') { // horizontal alignment handled first
  				if (!defined(margin[1])) {
  					chart.marginRight = mathMax(
  						chart.marginRight,
  						legend.legendWidth - legendX + legendMargin + spacing[1]
  					);
  				}
  			} else if (align === 'left') {
  				if (!defined(margin[3])) {
  					chart.plotLeft = mathMax(
  						chart.plotLeft,
  						legend.legendWidth + legendX + legendMargin + spacing[3]
  					);
  				}
  
  			} else if (verticalAlign === 'top') {
  				if (!defined(margin[0])) {
  					chart.plotTop = mathMax(
  						chart.plotTop,
  						legend.legendHeight + legendY + legendMargin + spacing[0]
  					);
  				}
  
  			} else if (verticalAlign === 'bottom') {
  				if (!defined(margin[2])) {
  					chart.marginBottom = mathMax(
  						chart.marginBottom,
  						legend.legendHeight - legendY + legendMargin + spacing[2]
  					);
  				}
  			}
  		}
  
  		// 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(margin[3])) {
  			chart.plotLeft += axisOffset[3];
  		}
  		if (!defined(margin[0])) {
  			chart.plotTop += axisOffset[0];
  		}
  		if (!defined(margin[2])) {
  			chart.marginBottom += axisOffset[2];
  		}
  		if (!defined(margin[1])) {
  			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,
  			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 (!chart.hasUserSize && width && height && (target === win || target === doc)) {
  				
  				if (width !== chart.containerWidth || height !== chart.containerHeight) {
  					clearTimeout(reflowTimeout);
  					chart.reflowTimeout = reflowTimeout = setTimeout(function () {
  						if (chart.container) { // It may have been destroyed in the meantime (#1257)
  							chart.setSize(width, height, false);
  							chart.hasUserSize = null;
  						}
  					}, 100);
  				}
  				chart.containerWidth = width;
  				chart.containerHeight = height;
  			}
  		}
  		chart.reflow = reflow;
  		addEvent(win, 'resize', reflow);
  		addEvent(chart, 'destroy', function () {
  			removeEvent(win, 'resize', reflow);
  		});
  	},
  
  	/**
  	 * Resize the chart to a given width and height
  	 * @param {Number} width
  	 * @param {Number} height
  	 * @param {Object|Boolean} animation
  	 */
  	setSize: function (width, height, animation) {
  		var chart = this,
  			chartWidth,
  			chartHeight,
  			fireEndResize;
  
  		// Handle the isResizing counter
  		chart.isResizing += 1;
  		fireEndResize = function () {
  			if (chart) {
  				fireEvent(chart, 'endResize', null, function () {
  					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 = mathMax(0, mathRound(width));
  			chart.hasUserSize = !!chartWidth;
  		}
  		if (defined(height)) {
  			chart.chartHeight = chartHeight = mathMax(0, mathRound(height));
  		}
  
  		css(chart.container, {
  			width: chartWidth + PX,
  			height: chartHeight + PX
  		});
  		chart.setChartSize(true);
  		chart.renderer.setSize(chartWidth, chartHeight, animation);
  
  		// 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();
  
  		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) {
  			fireEndResize();
  		} else { // else set a timeout with the animation duration
  			setTimeout(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 (skipAxes) {
  		var chart = this,
  			inverted = chart.inverted,
  			renderer = chart.renderer,
  			chartWidth = chart.chartWidth,
  			chartHeight = chart.chartHeight,
  			optionsChart = chart.options.chart,
  			spacing = chart.spacing,
  			clipOffset = chart.clipOffset,
  			clipX,
  			clipY,
  			plotLeft,
  			plotTop,
  			plotWidth,
  			plotHeight,
  			plotBorderWidth;
  
  		chart.plotLeft = plotLeft = mathRound(chart.plotLeft);
  		chart.plotTop = plotTop = mathRound(chart.plotTop);
  		chart.plotWidth = plotWidth = mathMax(0, mathRound(chartWidth - plotLeft - chart.marginRight));
  		chart.plotHeight = plotHeight = mathMax(0, mathRound(chartHeight - plotTop - chart.marginBottom));
  
  		chart.plotSizeX = inverted ? plotHeight : plotWidth;
  		chart.plotSizeY = inverted ? plotWidth : plotHeight;
  		
  		chart.plotBorderWidth = optionsChart.plotBorderWidth || 0;
  
  		// Set boxes used for alignment
  		chart.spacingBox = renderer.spacingBox = {
  			x: spacing[3],
  			y: spacing[0],
  			width: chartWidth - spacing[3] - spacing[1],
  			height: chartHeight - spacing[0] - spacing[2]
  		};
  		chart.plotBox = renderer.plotBox = {
  			x: plotLeft,
  			y: plotTop,
  			width: plotWidth,
  			height: plotHeight
  		};
  
  		plotBorderWidth = 2 * mathFloor(chart.plotBorderWidth / 2);
  		clipX = mathCeil(mathMax(plotBorderWidth, clipOffset[3]) / 2);
  		clipY = mathCeil(mathMax(plotBorderWidth, clipOffset[0]) / 2);
  		chart.clipBox = {
  			x: clipX, 
  			y: clipY, 
  			width: mathFloor(chart.plotSizeX - mathMax(plotBorderWidth, clipOffset[1]) / 2 - clipX), 
  			height: mathFloor(chart.plotSizeY - mathMax(plotBorderWidth, clipOffset[2]) / 2 - clipY)
  		};
  
  		if (!skipAxes) {
  			each(chart.axes, function (axis) {
  				axis.setAxisSize();
  				axis.setAxisTranslation();
  			});
  		}
  	},
  
  	/**
  	 * Initial margins before auto size margins are applied
  	 */
  	resetMargins: function () {
  		var chart = this,
  			spacing = chart.spacing,
  			margin = chart.margin;
  
  		chart.plotTop = pick(margin[0], spacing[0]);
  		chart.marginRight = pick(margin[1], spacing[1]);
  		chart.marginBottom = pick(margin[2], spacing[2]);
  		chart.plotLeft = pick(margin[3], spacing[3]);
  		chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
  		chart.clipOffset = [0, 0, 0, 0];
  	},
  
  	/**
  	 * 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,
  			plotBorderWidth = optionsChart.plotBorderWidth || 0,
  			mgn,
  			bgAttr,
  			plotLeft = chart.plotLeft,
  			plotTop = chart.plotTop,
  			plotWidth = chart.plotWidth,
  			plotHeight = chart.plotHeight,
  			plotBox = chart.plotBox,
  			clipRect = chart.clipRect,
  			clipBox = chart.clipBox;
  
  		// 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(plotLeft, plotTop, plotWidth, plotHeight, 0)
  					.attr({
  						fill: plotBackgroundColor
  					})
  					.add()
  					.shadow(optionsChart.plotShadow);
  			} else {
  				plotBackground.animate(plotBox);
  			}
  		}
  		if (plotBackgroundImage) {
  			if (!plotBGImage) {
  				chart.plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight)
  					.add();
  			} else {
  				plotBGImage.animate(plotBox);
  			}
  		}
  		
  		// Plot clip
  		if (!clipRect) {
  			chart.clipRect = renderer.clipRect(clipBox);
  		} else {
  			clipRect.animate({
  				width: clipBox.width,
  				height: clipBox.height
  			});
  		}
  
  		// Plot area border
  		if (plotBorderWidth) {
  			if (!plotBorder) {
  				chart.plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, -plotBorderWidth)
  					.attr({
  						stroke: optionsChart.plotBorderColor,
  						'stroke-width': plotBorderWidth,
  						zIndex: 1
  					})
  					.add();
  			} else {
  				plotBorder.animate(
  					plotBorder.crisp(null, plotLeft, plotTop, plotWidth, plotHeight)
  				);
  			}
  		}
  
  		// reset
  		chart.isDirtyBox = false;
  	},
  
  	/**
  	 * Detect whether a certain chart material is needed based on inspecting its options
  	 * and series. This mainly applies to the chart.invert material, 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 material
  			chart[key] = value;	
  		});
  		
  	},
  
  	/**
  	 * Link two or more series together. This is done initially from Chart.render,
  	 * and after Chart.addSeries and Series.remove.
  	 */
  	linkSeries: function () {
  		var chart = this,
  			chartSeries = chart.series;
  
  		// Reset links
  		each(chartSeries, function (series) {
  			series.linkedSeries.length = 0;
  		});
  
  		// Apply new links
  		each(chartSeries, function (series) {
  			var linkedTo = series.options.linkedTo;
  			if (isString(linkedTo)) {
  				if (linkedTo === ':previous') {
  					linkedTo = chart.series[series.index - 1];
  				} else {
  					linkedTo = chart.get(linkedTo);
  				}
  				if (linkedTo) {
  					linkedTo.linkedSeries.push(series);
  					series.linkedParent = linkedTo;
  				}
  			}
  		});
  	},
  
  	/**
  	 * 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, options.legend);
  
  		chart.getStacks(); // render stacks
  
  		// 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 (label) {
  				var style = extend(labels.style, label.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(
  					label.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,
  			i,
  			parentNode = container && container.parentNode;
  			
  		// fire the chart.destoy event
  		fireEvent(chart, 'destroy');
  		
  		// Delete the chart from charts lookup array
  		charts[chart.index] = UNDEFINED;
  		chart.renderTo.removeAttribute('data-highcharts-chart');
  
  		// 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', 'pointer', 'scroller', 
  				'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
  			var prop = chart[name];
  
  			if (prop && prop.destroy) {
  				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);
  			}
  
  		}
  
  		// clean it all up
  		for (i in chart) {
  			delete chart[i];
  		}
  
  	},
  
  
  	/**
  	 * VML namespaces can't be added until after complete. Listening
  	 * for Perini's doScroll hack is not enough.
  	 */
  	isReadyToRender: function () {
  		var chart = this;
  
  		// 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(); }, chart.options.global.canvasToolsURL);
  			} else {
  				doc.attachEvent('onreadystatechange', function () {
  					doc.detachEvent('onreadystatechange', chart.firstRender);
  					if (doc.readyState === 'complete') {
  						chart.firstRender();
  					}
  				});
  			}
  			return false;
  		}
  		return true;
  	},
  
  	/**
  	 * Prepare for first rendering after all data are loaded
  	 */
  	firstRender: function () {
  		var chart = this,
  			options = chart.options,
  			callback = chart.callback;
  
  		// Check whether the chart is ready to render
  		if (!chart.isReadyToRender()) {
  			return;
  		}
  
  		// Create the container
  		chart.getContainer();
  
  		// Run an early event after the container and renderer are established
  		fireEvent(chart, 'init');
  
  		
  		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);
  		});
  
  		chart.linkSeries();
  
  		// Run an event after axes and series are initialized, but before render. At this stage,
  		// the series data is indexed and cached in the xData and yData arrays, so we can access
  		// those before rendering. Used in Highstock. 
  		fireEvent(chart, 'beforeRender'); 
  
  		// depends on inverted and on margins being set
  		chart.pointer = new Pointer(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');
  
  	},
  
  	/**
  	* Creates arrays for spacing and margin from given options.
  	*/
  	splashArray: function (target, options) {
  		var oVar = options[target],
  			tArray = isObject(oVar) ? oVar : [oVar, oVar, oVar, oVar];
  
  		return [pick(options[target + 'Top'], tArray[0]),
  				pick(options[target + 'Right'], tArray[1]),
  				pick(options[target + 'Bottom'], tArray[2]),
  				pick(options[target + 'Left'], tArray[3])];
  	}
  }; // 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,
  			colors;
  		point.series = series;
  		point.applyOptions(options, x);
  		point.pointAttr = {};
  
  		if (series.options.colorByPoint) {
  			colors = series.options.colors || series.chart.options.colors;
  			point.color = point.color || colors[series.colorCounter++];
  			// loop back to zero
  			if (series.colorCounter === colors.length) {
  				series.colorCounter = 0;
  			}
  		}
  
  		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,
  			pointValKey = series.pointValKey;
  
  		options = Point.prototype.optionsToObject.call(this, options);
  
  		// copy options directly to point
  		extend(point, options);
  		point.options = point.options ? extend(point.options, options) : options;
  			
  		// For higher dimension series types. For instance, for ranges, point.y is mapped to point.low.
  		if (pointValKey) {
  			point.y = point[pointValKey];
  		}
  		
  		// 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
  		if (point.x === UNDEFINED && series) {
  			point.x = x === UNDEFINED ? series.autoIncrement() : x;
  		}
  		
  		return point;
  	},
  
  	/**
  	 * Transform number or array configs into objects
  	 */
  	optionsToObject: function (options) {
  		var ret,
  			series = this.series,
  			pointArrayMap = series.pointArrayMap || ['y'],
  			valueCount = pointArrayMap.length,
  			firstItemType,
  			i = 0,
  			j = 0;
  
  		if (typeof options === 'number' || options === null) {
  			ret = { y: options };
  
  		} else if (isArray(options)) {
  			ret = {};
  			// with leading x value
  			if (options.length > valueCount) {
  				firstItemType = typeof options[0];
  				if (firstItemType === 'string') {
  					ret.name = options[0];
  				} else if (firstItemType === 'number') {
  					ret.x = options[0];
  				}
  				i++;
  			}
  			while (j < valueCount) {
  				ret[pointArrayMap[j++]] = options[i++];
  			}			
  		} else if (typeof options === 'object') {
  			ret = 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;
  			}
  
  			// Same approach as above for markers
  			if (options.marker) {
  				series._hasPointMarkers = true;
  			}
  		}
  		return ret;
  	},
  
  	/**
  	 * 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', 'dataLabel', 'dataLabelUpper', '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 = point.options.selected = selected;
  			series.options.data[inArray(point, series.data)] = point.options;
  			
  			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 = loopPoint.options.selected = false;
  						series.options.data[inArray(loopPoint, series.data)] = loopPoint.options;
  						loopPoint.setState(NORMAL_STATE);
  						loopPoint.firePointEvent('unselect');
  					}
  				});
  			}
  		});
  	},
  
  	/**
  	 * Runs on mouse over the point
  	 */
  	onMouseOver: function (e) {
  		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, e);
  		}
  
  		// hover this
  		point.setState(HOVER_STATE);
  		chart.hoverPoint = point;
  	},
  	
  	/**
  	 * Runs on mouse out from the point
  	 */
  	onMouseOut: function () {
  		var chart = this.series.chart,
  			hoverPoints = chart.hoverPoints;
  		
  		if (!hoverPoints || inArray(this, hoverPoints) === -1) { // #887
  			this.firePointEvent('mouseOut');
  	
  			this.setState();
  			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) {
  		
  		// Insert options for valueDecimals, valuePrefix, and valueSuffix
  		var series = this.series,
  			seriesTooltipOptions = series.tooltipOptions,
  			valueDecimals = pick(seriesTooltipOptions.valueDecimals, ''),
  			valuePrefix = seriesTooltipOptions.valuePrefix || '',
  			valueSuffix = seriesTooltipOptions.valueSuffix || '';
  			
  		// Loop over the point array map and replace unformatted values with sprintf formatting markup
  		each(series.pointArrayMap || ['y'], function (key) {
  			key = '{point.' + key; // without the closing bracket
  			if (valuePrefix || valueSuffix) {
  				pointFormat = pointFormat.replace(key + '}', valuePrefix + key + '}' + valueSuffix);
  			}
  			pointFormat = pointFormat.replace(key + '}', key + ':,.' + valueDecimals + 'f}');
  		});
  		
  		return format(pointFormat, {
  			point: this,
  			series: this.series
  		});
  	},
  
  	/**
  	 * 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,
  			chart = series.chart,
  			seriesOptions = series.options;
  
  		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) {
  					if (options.marker && options.marker.symbol) {
  						point.graphic = graphic.destroy();
  					} else {
  						graphic.attr(point.pointAttr[point.state || '']);
  					}
  				}
  			}
  
  			// record changes in the parallel arrays
  			i = inArray(point, data);
  			series.xData[i] = point.x;
  			series.yData[i] = series.toYData ? series.toYData(point) : point.y;
  			series.zData[i] = point.z;
  			seriesOptions.data[i] = point.options;
  
  			// redraw
  			series.isDirty = series.isDirtyData = true;
  			if (!series.fixedBox && series.hasCartesianSeries) { // #1906, #2320
  				chart.isDirtyBox = true;
  			}
  			
  			if (seriesOptions.legendType === 'point') { // #1831, #1885
  				chart.legend.destroyItem(point);
  			}
  			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,
  			points = series.points,
  			chart = series.chart,
  			i,
  			data = series.data;
  
  		setAnimation(animation, chart);
  		redraw = pick(redraw, true);
  
  		// fire the event with a default handler of removing the point
  		point.firePointEvent('remove', null, function () {
  
  			// splice all the parallel arrays
  			i = inArray(point, data);
  			if (data.length === points.length) {
  				points.splice(i, 1);			
  			}
  			data.splice(i, 1);
  			series.options.data.splice(i, 1);
  			series.xData.splice(i, 1);
  			series.yData.splice(i, 1);
  			series.zData.splice(i, 1);
  
  			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,
  			pointMarker = point.marker || {},
  			chart = series.chart,
  			radius,
  			newSymbol,
  			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) {
  				radius = markerStateOptions.radius;
  				newSymbol = pointMarker.symbol || series.symbol;
  
  				// If the point has another symbol than the previous one, throw away the 
  				// state marker graphic and force a new one (#1459)
  				if (stateMarkerGraphic && stateMarkerGraphic.currentSymbol !== newSymbol) {				
  					stateMarkerGraphic = stateMarkerGraphic.destroy();
  				}
  
  				// Add a new state marker graphic
  				if (!stateMarkerGraphic) {
  					series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
  						newSymbol,
  						plotX - radius,
  						plotY - radius,
  						2 * radius,
  						2 * radius
  					)
  					.attr(pointAttr[state])
  					.add(series.markerGroup);
  					stateMarkerGraphic.currentSymbol = newSymbol;
  				
  				// Move the existing graphic
  				} else {
  					stateMarkerGraphic.attr({ // #1054
  						x: plotX - radius,
  						y: plotY - radius
  					});
  				}
  			}
  
  			if (stateMarkerGraphic) {
  				stateMarkerGraphic[state && chart.isInsidePlot(plotX, plotY) ? '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
  	requireSorting: true,
  	pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
  		stroke: 'lineColor',
  		'stroke-width': 'lineWidth',
  		fill: 'fillColor',
  		r: 'radius'
  	},
  	colorCounter: 0,
  	init: function (chart, options) {
  		var series = this,
  			eventType,
  			events,
  			chartSeries = chart.series;
  
  		series.chart = chart;
  		series.options = options = series.setOptions(options); // merge with plotOptions
  		series.linkedSeries = [];
  
  		// bind the axes
  		series.bindAxes();
  
  		// set some variables
  		extend(series, {
  			name: options.name,
  			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
  		chartSeries.push(series);
  		series._i = chartSeries.length - 1;
  		
  		// Sort series according to index option (#248, #1123)
  		stableSort(chartSeries, function (a, b) {
  			return pick(a.options.index, a._i) - pick(b.options.index, a._i);
  		});
  		each(chartSeries, function (series, i) {
  			series.index = i;
  			series.name = series.name || 'Series ' + (i + 1);
  		});
  
  	},
  	
  	/**
  	 * 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 && seriesOptions[AXIS] === axisOptions.id) ||
  							(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;
  					}
  				});
  
  				// The series needs an X and an Y axis
  				if (!series[AXIS]) {
  					error(18, 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 chart = this.chart,
  			chartOptions = chart.options,
  			plotOptions = chartOptions.plotOptions,
  			typeOptions = plotOptions[this.type],
  			options;
  
  		this.userOptions = itemOptions;
  
  		options = merge(
  			typeOptions,
  			plotOptions.series,
  			itemOptions
  		);
  		
  		// the tooltip options are merged between global and series specific options
  		this.tooltipOptions = merge(chartOptions.tooltip, options.tooltip);
  		
  		// Delte marker object if not allowed (#1125)
  		if (typeOptions.marker === null) {
  			delete options.marker;
  		}
  		
  		return options;
  
  	},
  	/**
  	 * Get the series' color
  	 */
  	getColor: function () {
  		var options = this.options,
  			userOptions = this.userOptions,
  			defaultColors = this.chart.options.colors,
  			counters = this.chart.counters,
  			color,
  			colorIndex;
  
  		color = options.color || defaultPlotOptions[this.type].color;
  
  		if (!color && !options.colorByPoint) {
  			if (defined(userOptions._colorIndex)) { // after Series.update()
  				colorIndex = userOptions._colorIndex;
  			} else {
  				userOptions._colorIndex = counters.color;
  				colorIndex = counters.color++;
  			}
  			color = defaultColors[colorIndex];
  		}
  		
  		this.color = color;
  		counters.wrapColor(defaultColors.length);
  	},
  	/**
  	 * Get the series' symbol
  	 */
  	getSymbol: function () {
  		var series = this,
  			userOptions = series.userOptions,
  			seriesMarkerOption = series.options.marker,
  			chart = series.chart,
  			defaultSymbols = chart.options.symbols,
  			counters = chart.counters,
  			symbolIndex;
  
  		series.symbol = seriesMarkerOption.symbol;
  		if (!series.symbol) {
  			if (defined(userOptions._symbolIndex)) { // after Series.update()
  				symbolIndex = userOptions._symbolIndex;
  			} else {
  				userOptions._symbolIndex = counters.symbol;
  				symbolIndex = counters.symbol++;
  			}
  			series.symbol = defaultSymbols[symbolIndex];
  		}
  
  		// 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,
  			verticalCenter = legend.baseline - mathRound(renderer.fontMetrics(legendOptions.itemStyle.fontSize).b * 0.3),
  			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,
  				verticalCenter,
  				L,
  				symbolWidth,
  				verticalCenter
  			])
  			.attr(attr)
  			.add(legendItemGroup);
  		}
  		
  		// Draw the marker
  		if (markerOptions && markerOptions.enabled) {
  			radius = markerOptions.radius;
  			this.legendSymbol = legendSymbol = renderer.symbol(
  				this.symbol,
  				(symbolWidth / 2) - radius,
  				verticalCenter - radius,
  				2 * radius,
  				2 * radius
  			)
  			.add(legendItemGroup);
  			legendSymbol.isMarker = true;
  		}
  	},
  
  	/**
  	 * 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,
  			seriesOptions = series.options,
  			data = series.data,
  			graph = series.graph,
  			area = series.area,
  			chart = series.chart,
  			xData = series.xData,
  			yData = series.yData,
  			zData = series.zData,
  			names = series.names,
  			currentShift = (graph && graph.shift) || 0,
  			dataOptions = seriesOptions.data,
  			point,
  			isInTheMiddle,
  			x,
  			i;
  
  		setAnimation(animation, chart);
  
  		// Make graph animate sideways
  		if (shift) {
  			each([graph, area, series.graphNeg, series.areaNeg], function (shape) {
  				if (shape) {
  					shape.shift = currentShift + 1;
  				}
  			});
  		}
  		if (area) {
  			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]);
  		x = point.x;
  
  		// Get the insertion point
  		i = xData.length;
  		if (series.requireSorting && x < xData[i - 1]) {
  			isInTheMiddle = true;
  			while (i && xData[i - 1] > x) {
  				i--;
  			}
  		}
  		
  		xData.splice(i, 0, x);
  		yData.splice(i, 0, series.toYData ? series.toYData(point) : point.y);
  		zData.splice(i, 0, point.z);
  		if (names) {
  			names[x] = point.name;
  		}
  		dataOptions.splice(i, 0, options);
  
  		if (isInTheMiddle) {
  			series.data.splice(i, 0, null);
  			series.processData();
  		}
  		
  		// Generate points to be added to the legend (#1329) 
  		if (seriesOptions.legendType === 'point') {
  			series.generatePoints();
  		}
  
  		// 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();
  				zData.shift();
  				dataOptions.shift();
  			}
  		}
  
  		// redraw
  		series.isDirty = true;
  		series.isDirtyData = true;
  		if (redraw) {
  			series.getAttribs(); // #1937
  			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,
  			chart = series.chart,
  			firstPoint = null,
  			xAxis = series.xAxis,
  			names = xAxis && xAxis.categories && !xAxis.categories.length ? [] : null,
  			i;
  
  		// reset properties
  		series.xIncrement = null;
  		series.pointRange = xAxis && xAxis.categories ? 1 : options.pointRange;
  
  		series.colorCounter = 0; // for series with colorByPoint (#1547)
  		
  		// parallel arrays
  		var xData = [],
  			yData = [],
  			zData = [],
  			dataLength = data ? data.length : [],
  			turboThreshold = pick(options.turboThreshold, 1000),
  			pt,
  			pointArrayMap = series.pointArrayMap,
  			valueCount = pointArrayMap && pointArrayMap.length,
  			hasToYData = !!series.toYData;
  
  		// 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 (turboThreshold && 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++) {
  				if (data[i] !== UNDEFINED) { // stray commas in oldIE
  					pt = { series: series };
  					series.pointClass.prototype.applyOptions.apply(pt, [data[i]]);
  					xData[i] = pt.x;
  					yData[i] = hasToYData ? series.toYData(pt) : pt.y;
  					zData[i] = pt.z;
  					if (names && pt.name) {
  						names[pt.x] = pt.name; // #2046
  					}
  				}
  			}
  		}
  		
  		// Forgetting to cast strings to numbers is a common caveat when handling CSV or JSON		
  		if (isString(yData[0])) {
  			error(14, true);
  		} 
  
  		series.data = [];
  		series.options.data = data;
  		series.xData = xData;
  		series.yData = yData;
  		series.zData = zData;
  		series.names = names;
  
  		// 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;
  				chart.linkSeries();
  				
  				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,
  			croppedData,
  			cropStart = 0,
  			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 min = xAxis.min,
  				max = xAxis.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) {
  				croppedData = this.cropData(series.xData, series.yData, min, max);
  				processedXData = croppedData.xData;
  				processedYData = croppedData.yData;
  				cropStart = croppedData.start;
  				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;
  
  			// Unsorted data is not supported by the line tooltip, as well as data grouping and 
  			// navigation in Stock charts (#725) and width calculation of columns (#1900)
  			} else if (distance < 0 && series.requireSorting) {
  				error(15);
  			}
  		}
  
  		// 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;
  		
  	},
  
  	/**
  	 * Iterate over xData and crop values between min and max. Returns object containing crop start/end
  	 * cropped xData with corresponding part of yData, dataMin and dataMax within the cropped range
  	 */
  	cropData: function (xData, yData, min, max) {
  		var dataLength = xData.length,
  			cropStart = 0,
  			cropEnd = dataLength,
  			cropShoulder = pick(this.cropShoulder, 1), // line-type series need one point outside
  			i;
  
  		// iterate up to find slice start
  		for (i = 0; i < dataLength; i++) {
  			if (xData[i] >= min) {
  				cropStart = mathMax(0, i - cropShoulder);
  				break;
  			}
  		}
  
  		// proceed to find slice end
  		for (; i < dataLength; i++) {
  			if (xData[i] > max) {
  				cropEnd = i + cropShoulder;
  				break;
  			}
  		}
  
  		return {
  			xData: xData.slice(cropStart, cropEnd),
  			yData: yData.slice(cropStart, cropEnd),
  			start: cropStart,
  			end: cropEnd
  		};
  	},
  
  
  	/**
  	 * 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;
  	},
  
  	/**
  	 * Adds series' points value to corresponding stack
  	 */
  	setStackedPoints: function () {
  		if (!this.options.stacking || (this.visible !== true && this.chart.options.chart.ignoreHiddenSeries !== false)) {
  			return;
  		}
  
  		var series = this,
  			xData = series.processedXData,
  			yData = series.processedYData,
  			stackedYData = [],
  			yDataLength = yData.length,
  			seriesOptions = series.options,
  			threshold = seriesOptions.threshold,
  			stackOption = seriesOptions.stack,
  			stacking = seriesOptions.stacking,
  			stackKey = series.stackKey,
  			negKey = '-' + stackKey,
  			negStacks = series.negStacks,
  			yAxis = series.yAxis,
  			stacks = yAxis.stacks,
  			oldStacks = yAxis.oldStacks,
  			isNegative,
  			stack,
  			other,
  			key,
  			i,
  			x,
  			y;
  
  		// 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];
  
  			// Read stacked values into a stack based on the x value,
  			// the sign of y and the stack key. Stacking is also handled for null values (#739)
  			isNegative = negStacks && y < threshold;
  			key = isNegative ? negKey : stackKey;
  
  			// Create empty object for this stack if it doesn't exist yet
  			if (!stacks[key]) {
  				stacks[key] = {};
  			}
  
  			// Initialize StackItem for this x
  			if (!stacks[key][x]) {
  				if (oldStacks[key] && oldStacks[key][x]) {
  					stacks[key][x] = oldStacks[key][x];
  					stacks[key][x].total = null;
  				} else {
  					stacks[key][x] = new StackItem(yAxis, yAxis.options.stackLabels, isNegative, x, stackOption, stacking);
  				}
  			}
  
  			// If the StackItem doesn't exist, create it first
  			stack = stacks[key][x];
  			stack.points[series.index] = [stack.cum || 0];
  
  			// Add value to the stack total
  			if (stacking === 'percent') {
  				
  				// Percent stacked column, totals are the same for the positive and negative stacks
  				other = isNegative ? stackKey : negKey;
  				if (negStacks && stacks[other] && stacks[other][x]) {
  					other = stacks[other][x];
  					stack.total = other.total = mathMax(other.total, stack.total) + mathAbs(y) || 0;
  
  				// Percent stacked areas					
  				} else {
  					stack.total += mathAbs(y) || 0;
  				}
  			} else {
  				stack.total += y || 0;
  			}
  
  			stack.cum = (stack.cum || 0) + (y || 0);
  
  			stack.points[series.index].push(stack.cum);
  			stackedYData[i] = stack.cum;
  
  		}
  
  		if (stacking === 'percent') {
  			yAxis.usePercentage = true;
  		}
  
  		this.stackedYData = stackedYData; // To be used in getExtremes
  		
  		// Reset old stacks
  		yAxis.oldStacks = {};
  	},
  
  	/**
  	 * Iterate over all stacks and compute the absolute values to percent
  	 */
  	setPercentStacks: function () {
  		var series = this,
  			stackKey = series.stackKey,
  			stacks = series.yAxis.stacks;
  		
  		each([stackKey, '-' + stackKey], function (key) {
  			var i = series.xData.length,
  				x,
  				stack,
  				pointExtremes,
  				totalFactor;
  
  			while (i--) {
  				x = series.xData[i];
  				stack = stacks[key] && stacks[key][x];
  				pointExtremes = stack && stack.points[series.index];
  				if (pointExtremes) {
  					totalFactor = stack.total ? 100 / stack.total : 0;
  					pointExtremes[0] = correctFloat(pointExtremes[0] * totalFactor); // Y bottom value
  					pointExtremes[1] = correctFloat(pointExtremes[1] * totalFactor); // Y value
  					series.stackedYData[i] = pointExtremes[1];
  				}
  			}
  		});
  	},
  
  	/**
  	 * Calculate Y extremes for visible data
  	 */
  	getExtremes: function () {
  		var xAxis = this.xAxis,
  			yAxis = this.yAxis,
  			xData = this.processedXData,
  			yData = this.stackedYData || this.processedYData,
  			yDataLength = yData.length,
  			activeYData = [],
  			activeCounter = 0,
  			xExtremes = xAxis.getExtremes(), // #2117, need to compensate for log X axis
  			xMin = xExtremes.min,
  			xMax = xExtremes.max,
  			validValue,
  			withinRange,
  			dataMin,
  			dataMax,
  			x,
  			y,
  			i,
  			j;
  
  		for (i = 0; i < yDataLength; i++) {
  			
  			x = xData[i];
  			y = yData[i];
  
  			// For points within the visible range, including the first point outside the
  			// visible range, consider y extremes
  			validValue = y !== null && y !== UNDEFINED && (!yAxis.isLog || (y.length || y > 0));
  			withinRange = this.getExtremesFromAll || this.cropped || ((xData[i + 1] || x) >= xMin && 
  				(xData[i - 1] || x) <= xMax);
  
  			if (validValue && withinRange) {
  
  				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;
  				}
  			}
  		}
  		this.dataMin = pick(dataMin, arrayMin(activeYData));
  		this.dataMax = pick(dataMax, arrayMax(activeYData));
  	},
  
  	/**
  	 * 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,
  			options = series.options,
  			stacking = options.stacking,
  			xAxis = series.xAxis,
  			categories = xAxis.categories,
  			yAxis = series.yAxis,
  			points = series.points,
  			dataLength = points.length,
  			hasModifyValue = !!series.modifyValue,
  			i,
  			pointPlacement = options.pointPlacement,
  			dynamicallyPlaced = pointPlacement === 'between' || isNumber(pointPlacement),
  			threshold = options.threshold;
  
  		
  		// 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[(series.negStacks && yValue < threshold ? '-' : '') + series.stackKey],
  				pointStack,
  				stackValues;
  
  			// Discard disallowed y values for log axes
  			if (yAxis.isLog && yValue <= 0) {
  				point.y = yValue = null;
  			}
  			
  			// Get the plotX translation
  			point.plotX = xAxis.translate(xValue, 0, 0, 0, 1, pointPlacement, this.type === 'flags'); // Math.round fixes #591
  			
  
  			// Calculate the bottom y value for stacked series
  			if (stacking && series.visible && stack && stack[xValue]) {
  
  				pointStack = stack[xValue];
  				stackValues = pointStack.points[series.index];
  				yBottom = stackValues[0];
  				yValue = stackValues[1];
  
  				if (yBottom === 0) {
  					yBottom = pick(threshold, yAxis.min);
  				}
  				if (yAxis.isLog && yBottom <= 0) { // #1200, #1232
  					yBottom = null;
  				}
  
  				point.percentage = stacking === 'percent' && yValue;
  				point.total = point.stackTotal = pointStack.total;
  				point.stackY = yValue;
  
  				// Place the stack label
  				pointStack.setOffset(series.pointXOffset || 0, series.barW || 0);
  				
  			}
  
  			// 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' && yValue !== Infinity) ? 
  				//mathRound(yAxis.translate(yValue, 0, 1, 0, 1) * 10) / 10 : // Math.round fixes #591
  				yAxis.translate(yValue, 0, 1, 0, 1) : 
  				UNDEFINED;
  			
  			// Set client related positions for mouse tracking
  			point.clientX = dynamicallyPlaced ? xAxis.translate(xValue, 0, 0, 0, 1) : point.plotX; // #1514
  				
  			point.negative = point.y < (threshold || 0);
  
  			// 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,
  			points = [],
  			pointsLength,
  			low,
  			high,
  			xAxis = series.xAxis,
  			xExtremes = xAxis && xAxis.getExtremes(),
  			axisLength = xAxis ? (xAxis.tooltipLen || xAxis.len) : series.chart.plotSizeX, // tooltipLen and tooltipPosName used in polar
  			point,
  			pointX,
  			nextPoint,
  			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);
  		});
  
  		// Reverse the points in case the X axis is reversed
  		if (xAxis && xAxis.reversed) {
  			points = points.reverse();
  		}
  
  		// Polar needs additional shaping
  		if (series.orderTooltipPoints) {
  			series.orderTooltipPoints(points);
  		}
  
  		// Assign each pixel position to the nearest point
  		pointsLength = points.length;
  		for (i = 0; i < pointsLength; i++) {
  			point = points[i];
  			pointX = point.x;
  			if (pointX >= xExtremes.min && pointX <= xExtremes.max) { // #1149
  				nextPoint = points[i + 1];
  				
  				// Set this range's low to the last range's high plus one
  				low = high === UNDEFINED ? 0 : high + 1;
  				// Now find the new high
  				high = points[i + 1] ?
  					mathMin(mathMax(0, mathFloor( // #2070
  						(point.clientX + (nextPoint ? (nextPoint.wrappedClientX || nextPoint.clientX) : axisLength)) / 2
  					)), axisLength) :
  					axisLength;
  
  				while (low >= 0 && low <= high) {
  					tooltipPoints[low++] = point;
  				}
  			}
  		}
  		series.tooltipPoints = tooltipPoints;
  	},
  
  	/**
  	 * Format the header of the tooltip
  	 */
  	tooltipHeaderFormatter: function (point) {
  		var series = this,
  			tooltipOptions = series.tooltipOptions,
  			xDateFormat = tooltipOptions.xDateFormat,
  			dateTimeLabelFormats = tooltipOptions.dateTimeLabelFormats,
  			xAxis = series.xAxis,
  			isDateTime = xAxis && xAxis.options.type === 'datetime',
  			headerFormat = tooltipOptions.headerFormat,
  			closestPointRange = xAxis && xAxis.closestPointRange,
  			n;
  			
  		// Guess the best date format based on the closest point distance (#568)
  		if (isDateTime && !xDateFormat) {
  			if (closestPointRange) {
  				for (n in timeUnits) {
  					if (timeUnits[n] >= closestPointRange) {
  						xDateFormat = dateTimeLabelFormats[n];
  						break;
  					}
  				}
  			} else {
  				xDateFormat = dateTimeLabelFormats.day;
  			}
  		}
  		
  		// Insert the header date format if any
  		if (isDateTime && xDateFormat && isNumber(point.key)) {
  			headerFormat = headerFormat.replace('{point.key}', '{point.key:' + xDateFormat + '}');
  		}
  		
  		return format(headerFormat, {
  			point: point,
  			series: series
  		});
  	},
  
  	/**
  	 * Series mouse over handler
  	 */
  	onMouseOver: function () {
  		var series = this,
  			chart = series.chart,
  			hoverSeries = chart.hoverSeries;
  
  		// 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 || series.noSharedTooltip)) {
  			tooltip.hide();
  		}
  
  		// set normal state
  		series.setState();
  		chart.hoverSeries = null;
  	},
  
  	/**
  	 * Animate in the series
  	 */
  	animate: function (init) {
  		var series = this,
  			chart = series.chart,
  			renderer = chart.renderer,
  			clipRect,
  			markerClipRect,
  			animation = series.options.animation,
  			clipBox = chart.clipBox,
  			inverted = chart.inverted,
  			sharedClipKey;
  
  		// Animation option is set to true
  		if (animation && !isObject(animation)) {
  			animation = defaultPlotOptions[series.type].animation;
  		}
  		sharedClipKey = '_sharedClip' + animation.duration + animation.easing;
  
  		// Initialize the animation. Set up the clipping rectangle.
  		if (init) { 
  			
  			// If a clipping rectangle with the same properties is currently present in the chart, use that. 
  			clipRect = chart[sharedClipKey];
  			markerClipRect = chart[sharedClipKey + 'm'];
  			if (!clipRect) {
  				chart[sharedClipKey] = clipRect = renderer.clipRect(
  					extend(clipBox, { width: 0 })
  				);
  				
  				chart[sharedClipKey + 'm'] = markerClipRect = renderer.clipRect(
  					-99, // include the width of the first marker
  					inverted ? -chart.plotLeft : -chart.plotTop, 
  					99,
  					inverted ? chart.chartWidth : chart.chartHeight
  				);
  			}
  			series.group.clip(clipRect);
  			series.markerGroup.clip(markerClipRect);
  			series.sharedClipKey = sharedClipKey;
  
  		// Run the animation
  		} else { 
  			clipRect = chart[sharedClipKey];
  			if (clipRect) {
  				clipRect.animate({
  					width: chart.plotSizeX
  				}, animation);
  				chart[sharedClipKey + 'm'].animate({
  					width: chart.plotSizeX + 99
  				}, animation);
  			}
  
  			// Delete this function to allow it only once
  			series.animate = null;
  			
  			// Call the afterAnimate function on animation complete (but don't overwrite the animation.complete option
  			// which should be available to the user).
  			series.animationTimeout = setTimeout(function () {
  				series.afterAnimate();
  			}, animation.duration);
  		}
  	},
  	
  	/**
  	 * This runs after animation to land on the final plot clipping
  	 */
  	afterAnimate: function () {
  		var chart = this.chart,
  			sharedClipKey = this.sharedClipKey,
  			group = this.group;
  			
  		if (group && this.options.clip !== false) {
  			group.clip(chart.clipRect);
  			this.markerGroup.clip(); // no clip
  		}
  		
  		// Remove the shared clipping rectancgle when all series are shown		
  		setTimeout(function () {
  			if (sharedClipKey && chart[sharedClipKey]) {
  				chart[sharedClipKey] = chart[sharedClipKey].destroy();
  				chart[sharedClipKey + 'm'] = chart[sharedClipKey + 'm'].destroy();
  			}
  		}, 100);
  	},
  
  	/**
  	 * Draw the markers
  	 */
  	drawPoints: function () {
  		var series = this,
  			pointAttr,
  			points = series.points,
  			chart = series.chart,
  			plotX,
  			plotY,
  			i,
  			point,
  			radius,
  			symbol,
  			isImage,
  			graphic,
  			options = series.options,
  			seriesMarkerOptions = options.marker,
  			pointMarkerOptions,
  			enabled,
  			isInside,
  			markerGroup = series.markerGroup;
  
  		if (seriesMarkerOptions.enabled || series._hasPointMarkers) {
  			
  			i = points.length;
  			while (i--) {
  				point = points[i];
  				plotX = mathFloor(point.plotX); // #1843
  				plotY = point.plotY;
  				graphic = point.graphic;
  				pointMarkerOptions = point.marker || {};
  				enabled = (seriesMarkerOptions.enabled && pointMarkerOptions.enabled === UNDEFINED) || pointMarkerOptions.enabled;
  				isInside = chart.isInsidePlot(mathRound(plotX), plotY, chart.inverted); // #1858
  				
  				// only draw the point if y is defined
  				if (enabled && plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
  
  					// shortcuts
  					pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE];
  					radius = pointAttr.r;
  					symbol = pick(pointMarkerOptions.symbol, series.symbol);
  					isImage = symbol.indexOf('url') === 0;
  
  					if (graphic) { // update
  						graphic
  							.attr({ // Since the marker group isn't clipped, each individual marker must be toggled
  								visibility: isInside ? (hasSVG ? 'inherit' : VISIBLE) : HIDDEN
  							})
  							.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 (isInside && (radius > 0 || isImage)) {
  						point.graphic = graphic = chart.renderer.symbol(
  							symbol,
  							plotX - radius,
  							plotY - radius,
  							2 * radius,
  							2 * radius
  						)
  						.attr(pointAttr)
  						.add(markerGroup);
  					}
  					
  				} else if (graphic) {
  					point.graphic = graphic.destroy(); // #1269
  				}
  			}
  		}
  
  	},
  
  	/**
  	 * 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,
  			seriesOptions = series.options,
  			normalOptions = defaultPlotOptions[series.type].marker ? seriesOptions.marker : seriesOptions,
  			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,
  			negativeColor = seriesOptions.negativeColor,
  			defaultLineColor = normalOptions.lineColor,
  			key;
  
  		// series type specific modifications
  		if (seriesOptions.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;
  			}
  			
  			if (point.negative && negativeColor) {
  				point.color = point.fillColor = negativeColor;
  			}
  			
  			hasPointSpecificOptions = seriesOptions.colorByPoint || point.color; // #868
  
  			// 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) {
  				normalOptions = normalOptions || {};
  				pointAttr = [];
  				stateOptions = normalOptions.states || {}; // reassign for individual point
  				pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};
  
  				// Handle colors for column and pies
  				if (!seriesOptions.marker) { // column, bar, point
  					// if no hover color is given, brighten the normal color
  					pointStateOptionsHover.color =
  						Color(pointStateOptionsHover.color || point.color)
  							.brighten(pointStateOptionsHover.brightness ||
  								stateOptionsHover.brightness).get();
  
  				}
  
  				// normal point state inherits series wide normal state
  				pointAttr[NORMAL_STATE] = series.convertAttribs(extend({
  					color: point.color, // #868
  					fillColor: point.color, // Individual point color or negative color markers (#2219)
  					lineColor: defaultLineColor === null ? point.color : UNDEFINED // Bubbles take point color, line markers use white
  				}, 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;
  
  		}
  
  	},
  	/**
  	 * Update the series with a new set of options
  	 */
  	update: function (newOptions, redraw) {
  		var chart = this.chart,
  			// must use user options when changing type because this.options is merged
  			// in with type specific plotOptions
  			oldOptions = this.userOptions,
  			oldType = this.type,
  			proto = seriesTypes[oldType].prototype,
  			n;
  
  		// Do the merge, with some forced options
  		newOptions = merge(oldOptions, {
  			animation: false,
  			index: this.index,
  			pointStart: this.xData[0] // when updating after addPoint
  		}, { data: this.options.data }, newOptions);
  
  		// Destroy the series and reinsert methods from the type prototype
  		this.remove(false);
  		for (n in proto) { // Overwrite series-type specific methods (#2270)
  			if (proto.hasOwnProperty(n)) {
  				this[n] = UNDEFINED;
  			}
  		}
  		extend(this, seriesTypes[newOptions.type || oldType].prototype);
  		
  
  		this.init(chart, newOptions);
  		if (pick(redraw, true)) {
  			chart.redraw(false);
  		}
  	},
  
  	/**
  	 * Clear DOM objects and free up memory
  	 */
  	destroy: function () {
  		var series = this,
  			chart = series.chart,
  			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 = axis.forceRedraw = true;
  				axis.stacks = {}; // Rebuild stacks when updating (#2229)
  			}
  		});
  
  		// 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;
  
  		// Clear the animation timeout if we are destroying the series during initial animation
  		clearTimeout(series.animationTimeout);
  
  		// destroy all SVGElements associated to the series
  		each(['area', 'graph', 'dataLabelsGroup', 'group', 'markerGroup', 'tracker',
  				'graphNeg', 'areaNeg', 'posClip', 'negClip'], 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,
  			points = series.points,
  			pointOptions,
  			generalOptions,
  			str,
  			dataLabelsGroup;
  		
  		if (options.enabled || series._hasPointLabels) {
  						
  			// Process default alignment of data labels for columns
  			if (series.dlProcessOptions) {
  				series.dlProcessOptions(options);
  			}
  
  			// Create a separate group for the data labels to avoid rotation
  			dataLabelsGroup = series.plotGroup(
  				'dataLabelsGroup', 
  				'data-labels', 
  				series.visible ? VISIBLE : HIDDEN, 
  				options.zIndex || 6
  			);
  			
  			// Make the labels for each point
  			generalOptions = options;
  			each(points, function (point) {
  				
  				var enabled,
  					dataLabel = point.dataLabel,
  					labelConfig,
  					attr,
  					name,
  					rotation,
  					connector = point.connector,
  					isNew = true;
  				
  				// Determine if each data label is enabled
  				pointOptions = point.options && point.options.dataLabels;
  				enabled = pick(pointOptions && pointOptions.enabled, generalOptions.enabled); // #2282
  				
  				
  				// If the point is outside the plot area, destroy it. #678, #820
  				if (dataLabel && !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) {
  					
  					// Create individual options structure that can be extended without 
  					// affecting others
  					options = merge(generalOptions, pointOptions);
  
  					rotation = options.rotation;
  					
  					// Get the string
  					labelConfig = point.getLabelConfig();
  					str = options.format ?
  						format(options.format, labelConfig) : 
  						options.formatter.call(labelConfig, options);
  					
  					// Determine the color
  					options.style.color = pick(options.color, options.style.color, series.color, 'black');
  	
  					
  					// update existing label
  					if (dataLabel) {
  						
  						if (defined(str)) {
  							dataLabel
  								.attr({
  									text: str
  								});
  							isNew = false;
  						
  						} else { // #1437 - the label is shown conditionally
  							point.dataLabel = dataLabel = dataLabel.destroy();
  							if (connector) {
  								point.connector = connector.destroy();
  							}
  						}
  						
  					// 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: rotation,
  							padding: options.padding,
  							zIndex: 1
  						};
  						// Remove unused attributes (#947)
  						for (name in attr) {
  							if (attr[name] === UNDEFINED) {
  								delete attr[name];
  							}
  						}
  						
  						dataLabel = point.dataLabel = series.chart.renderer[rotation ? 'text' : 'label']( // labels don't support rotation
  							str,
  							0,
  							-999,
  							null,
  							null,
  							null,
  							options.useHTML
  						)
  						.attr(attr)
  						.css(options.style)
  						.add(dataLabelsGroup)
  						.shadow(options.shadow);
  						
  					}
  					
  					if (dataLabel) {
  						// Now the data label is created and placed at 0,0, so we need to align it
  						series.alignDataLabel(point, dataLabel, options, null, isNew);
  					}
  				}
  			});
  		}
  	},
  	
  	/**
  	 * Align each individual data label
  	 */
  	alignDataLabel: function (point, dataLabel, options, alignTo, isNew) {
  		var chart = this.chart,
  			inverted = chart.inverted,
  			plotX = pick(point.plotX, -999),
  			plotY = pick(point.plotY, -999),
  			bBox = dataLabel.getBBox(),
  			visible = this.visible && chart.isInsidePlot(point.plotX, point.plotY, inverted),
  			alignAttr; // the final position;
  				
  		if (visible) {
  
  			// The alignment box is a singular point
  			alignTo = extend({
  				x: inverted ? chart.plotWidth - plotY : plotX,
  				y: mathRound(inverted ? chart.plotHeight - plotX : plotY),
  				width: 0,
  				height: 0
  			}, alignTo);
  			
  			// Add the text size for alignment calculation
  			extend(options, {
  				width: bBox.width,
  				height: bBox.height
  			});
  
  			// Allow a hook for changing alignment in the last moment, then do the alignment
  			if (options.rotation) { // Fancy box alignment isn't supported for rotated text
  				alignAttr = {
  					align: options.align,
  					x: alignTo.x + options.x + alignTo.width / 2,
  					y: alignTo.y + options.y + alignTo.height / 2
  				};
  				dataLabel[isNew ? 'attr' : 'animate'](alignAttr);
  			} else {
  				dataLabel.align(options, null, alignTo);
  				alignAttr = dataLabel.alignAttr;
  
  				// Handle justify or crop
  				if (pick(options.overflow, 'justify') === 'justify') { // docs: overflow: justify, also crop only applies when not justify
  					this.justifyDataLabel(dataLabel, options, alignAttr, bBox, alignTo, isNew);
  				
  				} else if (pick(options.crop, true)) {
  					// Now check that the data label is within the plot area
  					visible = chart.isInsidePlot(alignAttr.x, alignAttr.y) && chart.isInsidePlot(alignAttr.x + bBox.width, alignAttr.y + bBox.height);
  				
  				}
  			}		
  		}
  
  		// Show or hide based on the final aligned position
  		if (!visible) {
  			dataLabel.attr({ y: -999 });
  		}
  				
  	},
  	
  	/**
  	 * If data labels fall partly outside the plot area, align them back in, in a way that
  	 * doesn't hide the point.
  	 */
  	justifyDataLabel: function (dataLabel, options, alignAttr, bBox, alignTo, isNew) {
  		var chart = this.chart,
  			align = options.align,
  			verticalAlign = options.verticalAlign,
  			off,
  			justified;
  
  		// Off left
  		off = alignAttr.x;
  		if (off < 0) {
  			if (align === 'right') {
  				options.align = 'left';
  			} else {
  				options.x = -off;
  			}
  			justified = true;
  		}
  
  		// Off right
  		off = alignAttr.x + bBox.width;
  		if (off > chart.plotWidth) {
  			if (align === 'left') {
  				options.align = 'right';
  			} else {
  				options.x = chart.plotWidth - off;
  			}
  			justified = true;
  		}
  
  		// Off top
  		off = alignAttr.y;
  		if (off < 0) {
  			if (verticalAlign === 'bottom') {
  				options.verticalAlign = 'top';
  			} else {
  				options.y = -off;
  			}
  			justified = true;
  		}
  
  		// Off bottom
  		off = alignAttr.y + bBox.height;
  		if (off > chart.plotHeight) {
  			if (verticalAlign === 'top') {
  				options.verticalAlign = 'bottom';
  			} else {
  				options.y = chart.plotHeight - off;
  			}
  			justified = true;
  		}
  		
  		if (justified) {
  			dataLabel.placed = !isNew;
  			dataLabel.align(options, null, alignTo);
  		}
  	},
  	
  	/**
  	 * Return the graph path of a segment
  	 */
  	getSegmentPath: function (segment) {		
  		var series = this,
  			segmentPath = [],
  			step = series.options.step;
  			
  		// build the segment line
  		each(segment, function (point, i) {
  			
  			var plotX = point.plotX,
  				plotY = point.plotY,
  				lastPoint;
  
  			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 (step && i) {
  					lastPoint = segment[i - 1];
  					if (step === 'right') {
  						segmentPath.push(
  							lastPoint.plotX,
  							plotY
  						);
  						
  					} else if (step === 'center') {
  						segmentPath.push(
  							(lastPoint.plotX + plotX) / 2,
  							lastPoint.plotY,
  							(lastPoint.plotX + plotX) / 2,
  							plotY
  						);
  						
  					} else {
  						segmentPath.push(
  							plotX,
  							lastPoint.plotY
  						);
  					}
  				}
  
  				// normal line to next point
  				segmentPath.push(
  					point.plotX,
  					point.plotY
  				);
  			}
  		});
  		
  		return segmentPath;
  	},
  
  	/**
  	 * Get the graph path
  	 */
  	getGraphPath: function () {
  		var series = this,
  			graphPath = [],
  			segmentPath,
  			singlePoints = []; // used in drawTracker
  
  		// 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]);
  			}
  		});
  
  		// Record it for use in drawGraph and drawTracker, and return graphPath
  		series.singlePoints = singlePoints;
  		series.graphPath = graphPath;
  		
  		return graphPath;
  		
  	},
  	
  	/**
  	 * Draw the actual graph
  	 */
  	drawGraph: function () {
  		var series = this,
  			options = this.options,
  			props = [['graph', options.lineColor || this.color]],
  			lineWidth = options.lineWidth,
  			dashStyle =  options.dashStyle,
  			graphPath = this.getGraphPath(),
  			negativeColor = options.negativeColor;
  			
  		if (negativeColor) {
  			props.push(['graphNeg', negativeColor]);
  		}
  		
  		// draw the graph
  		each(props, function (prop, i) {
  			var graphKey = prop[0],
  				graph = series[graphKey],
  				attribs;
  			
  			if (graph) {
  				stop(graph); // cancel running animations, #459
  				graph.animate({ d: graphPath });
  	
  			} else if (lineWidth && graphPath.length) { // #1487
  				attribs = {
  					stroke: prop[1],
  					'stroke-width': lineWidth,
  					zIndex: 1 // #1069
  				};
  				if (dashStyle) {
  					attribs.dashstyle = dashStyle;
  				} else {
  					attribs['stroke-linecap'] = attribs['stroke-linejoin'] = 'round';
  				}
  
  				series[graphKey] = series.chart.renderer.path(graphPath)
  					.attr(attribs)
  					.add(series.group)
  					.shadow(!i && options.shadow);
  			}
  		});
  	},
  	
  	/**
  	 * Clip the graphs into the positive and negative coloured graphs
  	 */
  	clipNeg: function () {
  		var options = this.options,
  			chart = this.chart,
  			renderer = chart.renderer,
  			negativeColor = options.negativeColor || options.negativeFillColor,
  			translatedThreshold,
  			posAttr,
  			negAttr,
  			graph = this.graph,
  			area = this.area,
  			posClip = this.posClip,
  			negClip = this.negClip,
  			chartWidth = chart.chartWidth,
  			chartHeight = chart.chartHeight,
  			chartSizeMax = mathMax(chartWidth, chartHeight),
  			yAxis = this.yAxis,
  			above,
  			below;
  		
  		if (negativeColor && (graph || area)) {
  			translatedThreshold = mathRound(yAxis.toPixels(options.threshold || 0, true));
  			above = {
  				x: 0,
  				y: 0,
  				width: chartSizeMax,
  				height: translatedThreshold
  			};
  			below = {
  				x: 0,
  				y: translatedThreshold,
  				width: chartSizeMax,
  				height: chartSizeMax
  			};
  			
  			if (chart.inverted) {
  
  				above.height = below.y = chart.plotWidth - translatedThreshold;
  				if (renderer.isVML) {
  					above = {
  						x: chart.plotWidth - translatedThreshold - chart.plotLeft,
  						y: 0,
  						width: chartWidth,
  						height: chartHeight
  					};
  					below = {
  						x: translatedThreshold + chart.plotLeft - chartWidth,
  						y: 0,
  						width: chart.plotLeft + translatedThreshold,
  						height: chartWidth
  					};
  				}
  			}
  			
  			if (yAxis.reversed) {
  				posAttr = below;
  				negAttr = above;
  			} else {
  				posAttr = above;
  				negAttr = below;
  			}
  		
  			if (posClip) { // update
  				posClip.animate(posAttr);
  				negClip.animate(negAttr);
  			} else {
  				
  				this.posClip = posClip = renderer.clipRect(posAttr);
  				this.negClip = negClip = renderer.clipRect(negAttr);
  				
  				if (graph && this.graphNeg) {
  					graph.clip(posClip);
  					this.graphNeg.clip(negClip);	
  				}
  				
  				if (area) {
  					area.clip(posClip);
  					this.areaNeg.clip(negClip);
  				} 
  			} 
  		}	
  	},
  
  	/**
  	 * Initialize and perform group inversion on series.group and series.markerGroup
  	 */
  	invertGroups: function () {
  		var series = this,
  			chart = series.chart;
  
  		// Pie, go away (#1736)
  		if (!series.xAxis) {
  			return;
  		}
  		
  		// A fixed size is needed for inversion to work
  		function setInvert() {			
  			var size = {
  				width: series.yAxis.len,
  				height: series.xAxis.len
  			};
  			
  			each(['group', 'markerGroup'], function (groupName) {
  				if (series[groupName]) {
  					series[groupName].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;
  	},
  	
  	/**
  	 * General abstraction for creating plot groups like series.group, series.dataLabelsGroup and 
  	 * series.markerGroup. On subsequent calls, the group will only be adjusted to the updated plot size.
  	 */
  	plotGroup: function (prop, name, visibility, zIndex, parent) {
  		var group = this[prop],
  			isNew = !group;
  		
  		// Generate it on first call
  		if (isNew) {	
  			this[prop] = group = this.chart.renderer.g(name)
  				.attr({
  					visibility: visibility,
  					zIndex: zIndex || 0.1 // IE8 needs this
  				})
  				.add(parent);
  		}
  		// Place it on first and subsequent (redraw) calls
  		group[isNew ? 'attr' : 'animate'](this.getPlotBox());
  		return group;		
  	},
  
  	/**
  	 * Get the translation and scale for the plot area of this series
  	 */
  	getPlotBox: function () {
  		return {
  			translateX: this.xAxis ? this.xAxis.left : this.chart.plotLeft, 
  			translateY: this.yAxis ? this.yAxis.top : this.chart.plotTop,
  			scaleX: 1, // #1623
  			scaleY: 1
  		};
  	},
  	
  	/**
  	 * Render the graph and markers
  	 */
  	render: function () {
  		var series = this,
  			chart = series.chart,
  			group,
  			options = series.options,
  			animation = options.animation,
  			doAnimation = animation && !!series.animate && 
  				chart.renderer.isSVG, // this animation doesn't work in IE8 quirks when the group div is hidden,
  				// and looks bad in other oldIE
  			visibility = series.visible ? VISIBLE : HIDDEN,
  			zIndex = options.zIndex,
  			hasRendered = series.hasRendered,
  			chartSeriesGroup = chart.seriesGroup;
  		
  		// the group
  		group = series.plotGroup(
  			'group', 
  			'series', 
  			visibility, 
  			zIndex, 
  			chartSeriesGroup
  		);
  		
  		series.markerGroup = series.plotGroup(
  			'markerGroup', 
  			'markers', 
  			visibility, 
  			zIndex, 
  			chartSeriesGroup
  		);
  		
  		// initiate the animation
  		if (doAnimation) {
  			series.animate(true);
  		}
  
  		// cache attributes for shapes
  		series.getAttribs();
  
  		// SVGRenderer needs to know this before drawing elements (#1089, #1795)
  		group.inverted = series.isCartesian ? chart.inverted : false;
  		
  		// draw the graph if any
  		if (series.drawGraph) {
  			series.drawGraph();
  			series.clipNeg();
  		}
  
  		// draw the data labels (inn pies they go before the points)
  		series.drawDataLabels();
  		
  		// 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();
  		}
  		
  		// Initial clipping, must be defined after inverting groups for VML
  		if (options.clip !== false && !series.sharedClipKey && !hasRendered) {
  			group.clip(chart.clipRect);
  		}
  
  		// Run the animation
  		if (doAnimation) {
  			series.animate();
  		} else if (!hasRendered) {
  			series.afterAnimate();
  		}
  
  		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,
  			xAxis = series.xAxis,
  			yAxis = series.yAxis;
  
  		// reposition on resize
  		if (group) {
  			if (chart.inverted) {
  				group.attr({
  					width: chart.plotWidth,
  					height: chart.plotHeight
  				});
  			}
  
  			group.animate({
  				translateX: pick(xAxis && xAxis.left, chart.plotLeft),
  				translateY: pick(yAxis && yAxis.top, chart.plotTop)
  			});
  		}
  
  		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,
  			graphNeg = series.graphNeg,
  			stateOptions = options.states,
  			lineWidth = options.lineWidth,
  			attribs;
  
  		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
  				attribs = {
  					'stroke-width': lineWidth
  				};
  				// use attr because animate will cause any other animation on the graph to stop
  				graph.attr(attribs);
  				if (graphNeg) {
  					graphNeg.attr(attribs);
  				}
  			}
  		}
  	},
  
  	/**
  	 * 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,
  			showOrHide,
  			ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
  			oldVisibility = series.visible;
  
  		// if called without an argument, toggle visibility
  		series.visible = vis = series.userOptions.visible = vis === UNDEFINED ? !oldVisibility : vis;
  		showOrHide = vis ? 'show' : 'hide';
  
  		// show or hide elements
  		each(['group', 'dataLabelsGroup', 'markerGroup', 'tracker'], function (key) {
  			if (series[key]) {
  				series[key][showOrHide]();
  			}
  		});
  
  		
  		// hide tooltip (#1361)
  		if (chart.hoverSeries === series) {
  			series.onMouseOut();
  		}
  
  
  		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;
  				}
  			});
  		}
  
  		// show or hide linked series
  		each(series.linkedSeries, function (otherSeries) {
  			otherSeries.setVisible(vis, false);
  		});
  
  		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');
  	},
  
  	/**
  	 * 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,
  			pointer = chart.pointer,
  			renderer = chart.renderer,
  			snap = chart.options.tooltip.snap,
  			tracker = series.tracker,
  			cursor = options.cursor,
  			css = cursor && { cursor: cursor },
  			singlePoints = series.singlePoints,
  			singlePoint,
  			i,
  			onMouseOver = function () {
  				if (chart.hoverSeries !== series) {
  					series.onMouseOver();
  				}
  			};
  
  		// 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({
  					'stroke-linejoin': 'round', // #1225
  					visibility: series.visible ? VISIBLE : HIDDEN,
  					stroke: TRACKER_FILL,
  					fill: trackByArea ? TRACKER_FILL : NONE,
  					'stroke-width' : options.lineWidth + (trackByArea ? 0 : 2 * snap),
  					zIndex: 2
  				})
  				.add(series.group);
  				
  			// The tracker is added to the series group, which is clipped, but is covered 
  			// by the marker group. So the marker group also needs to capture events.
  			each([series.tracker, series.markerGroup], function (tracker) {
  				tracker.addClass(PREFIX + 'tracker')
  					.on('mouseover', onMouseOver)
  					.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
  					.css(css);
  
  				if (hasTouch) {
  					tracker.on('touchstart', onMouseOver);
  				} 
  			});
  		}
  
  	}
  
  }; // 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',
  	
  	/**
  	 * For stacks, don't split segments on null values. Instead, draw null values with 
  	 * no marker. Also insert dummy points for any X position that exists in other series
  	 * in the stack.
  	 */ 
  	getSegments: function () {
  		var segments = [],
  			segment = [],
  			keys = [],
  			xAxis = this.xAxis,
  			yAxis = this.yAxis,
  			stack = yAxis.stacks[this.stackKey],
  			pointMap = {},
  			plotX,
  			plotY,
  			points = this.points,
  			connectNulls = this.options.connectNulls,
  			val,
  			i,
  			x;
  
  		if (this.options.stacking && !this.cropped) { // cropped causes artefacts in Stock, and perf issue
  			// Create a map where we can quickly look up the points by their X value.
  			for (i = 0; i < points.length; i++) {
  				pointMap[points[i].x] = points[i];
  			}
  
  			// Sort the keys (#1651)
  			for (x in stack) {
  				keys.push(+x);
  			}
  			keys.sort(function (a, b) {
  				return a - b;
  			});
  
  			each(keys, function (x) {
  				if (connectNulls && (!pointMap[x] || pointMap[x].y === null)) { // #1836
  					return;
  
  				// The point exists, push it to the segment
  				} else if (pointMap[x]) {
  					segment.push(pointMap[x]);
  
  				// There is no point for this X value in this series, so we 
  				// insert a dummy point in order for the areas to be drawn
  				// correctly.
  				} else {
  					plotX = xAxis.translate(x);
  					val = stack[x].percent ? (stack[x].total ? stack[x].cum * 100 / stack[x].total : 0) : stack[x].cum; // #1991
  					plotY = yAxis.toPixels(val, true);
  					segment.push({ 
  						y: null, 
  						plotX: plotX,
  						clientX: plotX, 
  						plotY: plotY, 
  						yBottom: plotY,
  						onMouseOver: noop
  					});
  				}
  			});
  
  			if (segment.length) {
  				segments.push(segment);
  			}
  
  		} else {
  			Series.prototype.getSegments.call(this);
  			segments = this.segments;
  		}
  
  		this.segments = segments;
  	},
  	
  	/**
  	 * Extend the base Series getSegmentPath method by adding the path for the area.
  	 * This path is pushed to the series.areaPath material.
  	 */
  	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), // #2181
  			yBottom;
  		
  		if (segLength === 3) { // for animation from 1 to two points
  			areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
  		}
  		if (options.stacking && !this.closedStacks) {
  			
  			// 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--) {
  
  				yBottom = pick(segment[i].yBottom, translatedThreshold);
  			
  				// step line?
  				if (i < segment.length - 1 && options.step) {
  					areaSegmentPath.push(segment[i + 1].plotX, yBottom);
  				}
  				
  				areaSegmentPath.push(segment[i].plotX, yBottom);
  			}
  
  		} else { // follow zero line back
  			this.closeSegment(areaSegmentPath, segment, translatedThreshold);
  		}
  		this.areaPath = this.areaPath.concat(areaSegmentPath);
  		return segmentPath;
  	},
  	
  	/**
  	 * Extendable method to close the segment path of an area. This is overridden in polar 
  	 * charts.
  	 */
  	closeSegment: function (path, segment, translatedThreshold) {
  		path.push(
  			L,
  			segment[segment.length - 1].plotX,
  			translatedThreshold,
  			L,
  			segment[0].plotX,
  			translatedThreshold
  		);
  	},
  	
  	/**
  	 * 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 series = this,
  			areaPath = this.areaPath,
  			options = this.options,
  			negativeColor = options.negativeColor,
  			negativeFillColor = options.negativeFillColor,
  			props = [['area', this.color, options.fillColor]]; // area name, main color, fill color
  		
  		if (negativeColor || negativeFillColor) {
  			props.push(['areaNeg', negativeColor, negativeFillColor]);
  		}
  		
  		each(props, function (prop) {
  			var areaKey = prop[0],
  				area = series[areaKey];
  				
  			// Create or update the area
  			if (area) { // update
  				area.animate({ d: areaPath });
  	
  			} else { // create
  				series[areaKey] = series.chart.renderer.path(areaPath)
  					.attr({
  						fill: pick(
  							prop[2],
  							Color(prop[1]).setOpacity(pick(options.fillOpacity, 0.75)).get()
  						),
  						zIndex: 0 // #1069
  					}).add(series.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',
  
  	/**
  	 * Get the spline segment from a given point's previous neighbour to the given point
  	 */
  	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 (lastPoint && nextPoint) {
  		
  			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;
  
  		}
  		
  		// Visualize control points for debugging
  		/*
  		if (leftContX) {
  			this.chart.renderer.circle(leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop, 2)
  				.attr({
  					stroke: 'red',
  					'stroke-width': 1,
  					fill: 'none'
  				})
  				.add();
  			this.chart.renderer.path(['M', leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop,
  				'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
  				.attr({
  					stroke: 'red',
  					'stroke-width': 1
  				})
  				.add();
  			this.chart.renderer.circle(rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop, 2)
  				.attr({
  					stroke: 'green',
  					'stroke-width': 1,
  					fill: 'none'
  				})
  				.add();
  			this.chart.renderer.path(['M', rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop,
  				'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
  				.attr({
  					stroke: 'green',
  					'stroke-width': 1
  				})
  				.add();
  		}
  		*/
  
  		// 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',
  		closedStacks: true, // instead of following the previous graph back, follow the threshold back
  		
  		// Mix in methods from the area series
  		getSegmentPath: areaProto.getSegmentPath,
  		closeSegment: areaProto.closeSegment,
  		drawGraph: areaProto.drawGraph,
  		drawLegendSymbol: areaProto.drawLegendSymbol
  	});
  seriesTypes.areaspline = AreaSplineSeries;
  
  /**
   * Set the default options for column
   */
  defaultPlotOptions.column = merge(defaultSeriesOptions, {
  	borderColor: '#FFFFFF',
  	borderWidth: 1,
  	borderRadius: 0,
  	//colorByPoint: undefined,
  	groupPadding: 0.2,
  	//grouping: true,
  	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: {
  		align: null, // auto
  		verticalAlign: null, // auto
  		y: null
  	},
  	stickyTracking: false,
  	threshold: 0
  });
  
  /**
   * ColumnSeries object
   */
  var ColumnSeries = extendClass(Series, {
  	type: 'column',
  	pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
  		stroke: 'borderColor',
  		'stroke-width': 'borderWidth',
  		fill: 'color',
  		r: 'borderRadius'
  	},
  	cropShoulder: 0,
  	trackerGroups: ['group', 'dataLabelsGroup'],
  	negStacks: true, // use separate negative stacks, unlike area stacks where a negative 
  		// point is substracted from previous (#1910)
  	
  	/**
  	 * Initialize the series
  	 */
  	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;
  				}
  			});
  		}
  	},
  
  	/**
  	 * Return the width and x offset of the columns adjusted for grouping, groupPadding, pointPadding,
  	 * pointWidth etc. 
  	 */
  	getColumnMetrics: function () {
  
  		var series = this,
  			options = series.options,
  			xAxis = series.xAxis,
  			yAxis = series.yAxis,
  			reversedXAxis = xAxis.reversed,
  			stackKey,
  			stackGroups = {},
  			columnIndex,
  			columnCount = 0;
  
  		// 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
  		if (options.grouping === false) {
  			columnCount = 1;
  		} else {
  			each(series.chart.series, function (otherSeries) {
  				var otherOptions = otherSeries.options,
  					otherYAxis = otherSeries.yAxis;
  				if (otherSeries.type === series.type && otherSeries.visible &&
  						yAxis.len === otherYAxis.len && yAxis.pos === otherYAxis.pos) {  // #642, #2086
  					if (otherOptions.stacking) {
  						stackKey = otherSeries.stackKey;
  						if (stackGroups[stackKey] === UNDEFINED) {
  							stackGroups[stackKey] = columnCount++;
  						}
  						columnIndex = stackGroups[stackKey];
  					} else if (otherOptions.grouping !== false) { // #1162
  						columnIndex = columnCount++;
  					}
  					otherSeries.columnIndex = columnIndex;
  				}
  			});
  		}
  
  		var categoryWidth = mathMin(
  				mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || 1), 
  				xAxis.len // #1535
  			),
  			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
  			colIndex = (reversedXAxis ? 
  				columnCount - (series.columnIndex || 0) : // #1251
  				series.columnIndex) || 0,
  			pointXOffset = pointPadding + (groupPadding + colIndex *
  				pointOffsetWidth - (categoryWidth / 2)) *
  				(reversedXAxis ? -1 : 1);
  
  		// Save it for reading in linked series (Error bars particularly)
  		return (series.columnMetrics = { 
  			width: pointWidth, 
  			offset: pointXOffset 
  		});
  			
  	},
  
  	/**
  	 * Translate each point to the plot area coordinate system and find shape positions
  	 */
  	translate: function () {
  		var series = this,
  			chart = series.chart,
  			options = series.options,
  			borderWidth = options.borderWidth,
  			yAxis = series.yAxis,
  			threshold = options.threshold,
  			translatedThreshold = series.translatedThreshold = yAxis.getThreshold(threshold),
  			minPointLength = pick(options.minPointLength, 5),
  			metrics = series.getColumnMetrics(),
  			pointWidth = metrics.width,
  			seriesBarW = series.barW = mathCeil(mathMax(pointWidth, 1 + 2 * borderWidth)), // rounded and postprocessed for border width
  			pointXOffset = series.pointXOffset = metrics.offset,
  			xCrisp = -(borderWidth % 2 ? 0.5 : 0),
  			yCrisp = borderWidth % 2 ? 0.5 : 1;
  
  		if (chart.renderer.isVML && chart.inverted) {
  			yCrisp += 1;
  		}
  
  		Series.prototype.translate.apply(series);
  
  		// record the new values
  		each(series.points, function (point) {
  			var yBottom = pick(point.yBottom, translatedThreshold),
  				plotY = mathMin(mathMax(-999 - yBottom, point.plotY), yAxis.len + 999 + yBottom), // Don't draw too far outside plot area (#1303, #2241)
  				barX = point.plotX + pointXOffset,
  				barW = seriesBarW,
  				barY = mathMin(plotY, yBottom),
  				right,
  				bottom,
  				fromTop,
  				fromLeft,
  				barH = mathMax(plotY, yBottom) - barY;
  
  			// Handle options.minPointLength
  			if (mathAbs(barH) < minPointLength) {
  				if (minPointLength) {
  					barH = minPointLength;
  					barY =
  						mathRound(mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
  							yBottom - minPointLength : // keep position
  							translatedThreshold - (yAxis.translate(point.y, 0, 1, 0, 1) <= translatedThreshold ? minPointLength : 0)); // use exact yAxis.translation (#1485)
  				}
  			}
  
  			// Cache for access in polar
  			point.barX = barX;
  			point.pointWidth = pointWidth;
  
  
  			// Round off to obtain crisp edges
  			fromLeft = mathAbs(barX) < 0.5;
  			right = mathRound(barX + barW) + xCrisp;
  			barX = mathRound(barX) + xCrisp;
  			barW = right - barX;
  
  			fromTop = mathAbs(barY) < 0.5;
  			bottom = mathRound(barY + barH) + yCrisp;
  			barY = mathRound(barY) + yCrisp;
  			barH = bottom - barY;
  
  			// Top and left edges are exceptions
  			if (fromLeft) {
  				barX += 1;
  				barW -= 1;
  			}
  			if (fromTop) {
  				barY -= 1;
  				barH += 1;
  			}
  
  			// Register shape type and arguments to be used in drawPoints
  			point.shapeType = 'rect';
  			point.shapeArgs = {
  				x: barX,
  				y: barY,
  				width: barW,
  				height: barH
  			};
  		});
  
  	},
  
  	getSymbol: noop,
  	
  	/**
  	 * Use a solid rectangle like the area series types
  	 */
  	drawLegendSymbol: AreaSeries.prototype.drawLegendSymbol,
  	
  	
  	/**
  	 * Columns have no graph
  	 */
  	drawGraph: noop,
  
  	/**
  	 * 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,
  			shapeArgs;
  
  
  		// draw the columns
  		each(series.points, function (point) {
  			var plotY = point.plotY,
  				graphic = point.graphic;
  
  			if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
  				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);
  				}
  
  			} else if (graphic) {
  				point.graphic = graphic.destroy(); // #1269
  			}
  		});
  	},
  
  	/**
  	 * Add tracking event listener to the series group, so the point graphics
  	 * themselves act as trackers
  	 */
  	drawTracker: function () {
  		var series = this,
  			chart = series.chart,
  			pointer = chart.pointer,
  			cursor = series.options.cursor,
  			css = cursor && { cursor: cursor },
  			onMouseOver = function (e) {
  				var target = e.target,
  					point;
  
  				if (chart.hoverSeries !== series) {
  					series.onMouseOver();
  				}
  				while (target && !point) {
  					point = target.point;
  					target = target.parentNode;
  				}
  				if (point !== UNDEFINED && point !== chart.hoverPoint) { // undefined on graph in scatterchart
  					point.onMouseOver(e);
  				}
  			};
  
  		// Add reference to the point
  		each(series.points, function (point) {
  			if (point.graphic) {
  				point.graphic.element.point = point;
  			}
  			if (point.dataLabel) {
  				point.dataLabel.element.point = point;
  			}
  		});
  
  		// Add the event listeners, we need to do this only once
  		if (!series._hasTracking) {
  			each(series.trackerGroups, function (key) {
  				if (series[key]) { // we don't always have dataLabelsGroup
  					series[key]
  						.addClass(PREFIX + 'tracker')
  						.on('mouseover', onMouseOver)
  						.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
  						.css(css);
  					if (hasTouch) {
  						series[key].on('touchstart', onMouseOver);
  					}
  				}
  			});
  			series._hasTracking = true;
  		}
  	},
  	
  	/** 
  	 * Override the basic data label alignment by adjusting for the position of the column
  	 */
  	alignDataLabel: function (point, dataLabel, options,  alignTo, isNew) {
  		var chart = this.chart,
  			inverted = chart.inverted,
  			dlBox = point.dlBox || point.shapeArgs, // data label box for alignment
  			below = point.below || (point.plotY > pick(this.translatedThreshold, chart.plotSizeY)),
  			inside = pick(options.inside, !!this.options.stacking); // draw it inside the box?
  		
  		// Align to the column itself, or the top of it
  		if (dlBox) { // Area range uses this method but not alignTo
  			alignTo = merge(dlBox);
  			if (inverted) {
  				alignTo = {
  					x: chart.plotWidth - alignTo.y - alignTo.height,
  					y: chart.plotHeight - alignTo.x - alignTo.width,
  					width: alignTo.height,
  					height: alignTo.width
  				};
  			}
  				
  			// Compute the alignment box
  			if (!inside) {
  				if (inverted) {
  					alignTo.x += below ? 0 : alignTo.width;
  					alignTo.width = 0;
  				} else {
  					alignTo.y += below ? alignTo.height : 0;
  					alignTo.height = 0;
  				}
  			}
  		}
  		
  		// When alignment is undefined (typically columns and bars), display the individual 
  		// point below or above the point depending on the threshold
  		options.align = pick(
  			options.align, 
  			!inverted || inside ? 'center' : below ? 'right' : 'left'
  		);
  		options.verticalAlign = pick(
  			options.verticalAlign, 
  			inverted || inside ? 'middle' : below ? 'top' : 'bottom'
  		);
  		
  		// Call the parent method
  		Series.prototype.alignDataLabel.call(this, point, dataLabel, options, alignTo, isNew);
  	},
  
  
  	/**
  	 * 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,
  			yAxis = this.yAxis,
  			options = series.options,
  			inverted = this.chart.inverted,
  			attr = {},
  			translatedThreshold;
  
  		if (hasSVG) { // VML is too slow anyway
  			if (init) {
  				attr.scaleY = 0.001;
  				translatedThreshold = mathMin(yAxis.pos + yAxis.len, mathMax(yAxis.pos, yAxis.toPixels(options.threshold)));
  				if (inverted) {
  					attr.translateX = translatedThreshold - yAxis.len;
  				} else {
  					attr.translateY = translatedThreshold;
  				}
  				series.group.attr(attr);
  
  			} else { // run the animation
  				
  				attr.scaleY = 1;
  				attr[inverted ? 'translateX' : 'translateY'] = yAxis.pos;
  				series.group.animate(attr, series.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);
  /**
   * 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,
  	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/>',
  		followPointer: true
  	},
  	stickyTracking: false
  });
  
  /**
   * The scatter series class
   */
  var ScatterSeries = extendClass(Series, {
  	type: 'scatter',
  	sorted: false,
  	requireSorting: false,
  	noSharedTooltip: true,
  	trackerGroups: ['markerGroup'],
  
  	drawTracker: ColumnSeries.prototype.drawTracker,
  	
  	setTooltipPoints: noop
  });
  seriesTypes.scatter = ScatterSeries;
  
  /**
   * Set the default options for pie
   */
  defaultPlotOptions.pie = merge(defaultSeriesOptions, {
  	borderColor: '#FFFFFF',
  	borderWidth: 1,
  	center: [null, null],
  	clip: false,
  	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: 0
  	},
  	ignoreHiddenPoint: true,
  	//innerSize: 0,
  	legendType: 'point',
  	marker: null, // point options are specified in the base options
  	size: null,
  	showInLegend: false,
  	slicedOffset: 10,
  	states: {
  		hover: {
  			brightness: 0.1,
  			shadow: false
  		}
  	},
  	stickyTracking: false,
  	tooltip: {
  		followPointer: true
  	}
  });
  
  /**
   * 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;
  
  		// Disallow negative values (#1530)
  		if (point.y < 0) {
  			point.y = null;
  		}
  
  		//visible: options.visible !== false,
  		extend(point, {
  			visible: point.visible !== false,
  			name: pick(point.name, 'Slice')
  		});
  
  		// add event listener for select
  		toggleSlice = function (e) {
  			point.slice(e.type === 'select');
  		};
  		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,
  			series = point.series,
  			chart = series.chart,
  			method;
  
  		// if called without an argument, toggle visibility
  		point.visible = point.options.visible = vis = vis === UNDEFINED ? !point.visible : vis;
  		series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data
  		
  		method = vis ? 'show' : 'hide';
  
  		// Show and hide associated elements
  		each(['graphic', 'dataLabel', 'connector', 'shadowGroup'], function (key) {
  			if (point[key]) {
  				point[key][method]();
  			}
  		});
  
  		if (point.legendItem) {
  			chart.legend.colorizeItem(point, vis);
  		}
  		
  		// Handle ignore hidden slices
  		if (!series.isDirty && series.options.ignoreHiddenPoint) {
  			series.isDirty = true;
  			chart.redraw();
  		}
  	},
  
  	/**
  	 * 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,
  			translation;
  
  		setAnimation(animation, chart);
  
  		// redraw is true by default
  		redraw = pick(redraw, true);
  
  		// if called without an argument, toggle
  		point.sliced = point.options.sliced = sliced = defined(sliced) ? sliced : !point.sliced;
  		series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data
  
  		translation = sliced ? point.slicedTranslation : {
  			translateX: 0,
  			translateY: 0
  		};
  
  		point.graphic.animate(translation);
  		
  		if (point.shadowGroup) {
  			point.shadowGroup.animate(translation);
  		}
  
  	}
  });
  
  /**
   * The Pie series class
   */
  var PieSeries = {
  	type: 'pie',
  	isCartesian: false,
  	pointClass: PiePoint,
  	requireSorting: false,
  	noSharedTooltip: true,
  	trackerGroups: ['group', 'dataLabelsGroup'],
  	pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
  		stroke: 'borderColor',
  		'stroke-width': 'borderWidth',
  		fill: 'color'
  	},
  
  	/**
  	 * Pies have one color each point
  	 */
  	getColor: noop,
  
  	/**
  	 * Animate the pies in
  	 */
  	animate: function (init) {
  		var series = this,
  			points = series.points,
  			startAngleRad = series.startAngleRad;
  
  		if (!init) {
  			each(points, function (point) {
  				var graphic = point.graphic,
  					args = point.shapeArgs;
  
  				if (graphic) {
  					// start values
  					graphic.attr({
  						r: series.center[3] / 2, // animate from inner radius (#779)
  						start: startAngleRad,
  						end: startAngleRad
  					});
  
  					// 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();
  		} 
  	},
  
  	/**
  	 * Extend the generatePoints method by adding total and percentage properties to each point
  	 */
  	generatePoints: function () {
  		var i,
  			total = 0,
  			points,
  			len,
  			point,
  			ignoreHiddenPoint = this.options.ignoreHiddenPoint;
  
  		Series.prototype.generatePoints.call(this);
  
  		// Populate local vars
  		points = this.points;
  		len = points.length;
  		
  		// Get the total sum
  		for (i = 0; i < len; i++) {
  			point = points[i];
  			total += (ignoreHiddenPoint && !point.visible) ? 0 : point.y;
  		}
  		this.total = total;
  
  		// Set each point's properties
  		for (i = 0; i < len; i++) {
  			point = points[i];
  			point.percentage = total > 0 ? (point.y / total) * 100 : 0;
  			point.total = total;
  		}
  		
  	},
  	
  	/**
  	 * 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,
  			slicingRoom = 2 * (options.slicedOffset || 0),
  			handleSlicingRoom,
  			plotWidth = chart.plotWidth - 2 * slicingRoom,
  			plotHeight = chart.plotHeight - 2 * slicingRoom,
  			centerOption = options.center,
  			positions = [pick(centerOption[0], '50%'), pick(centerOption[1], '50%'), options.size || '100%', options.innerSize || 0],
  			smallestSize = mathMin(plotWidth, plotHeight),
  			isPercent;
  		
  		return map(positions, function (length, i) {
  			isPercent = /%$/.test(length);
  			handleSlicingRoom = i < 2 || (i === 2 && isPercent);
  			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) + (handleSlicingRoom ? slicingRoom : 0);
  		});
  	},
  	
  	/**
  	 * Do translation for pie slices
  	 */
  	translate: function (positions) {
  		this.generatePoints();
  		
  		var series = this,
  			cumulative = 0,
  			precision = 1000, // issue #172
  			options = series.options,
  			slicedOffset = options.slicedOffset,
  			connectorOffset = slicedOffset + options.borderWidth,
  			start,
  			end,
  			angle,
  			startAngle = options.startAngle || 0,
  			startAngleRad = series.startAngleRad = mathPI / 180 * (startAngle - 90),
  			endAngleRad = series.endAngleRad = mathPI / 180 * ((options.endAngle || (startAngle + 360)) - 90), // docs
  			circ = endAngleRad - startAngleRad, //2 * mathPI,
  			points = series.points,
  			radiusX, // the x component of the radius vector for a given point
  			radiusY,
  			labelDistance = options.dataLabels.distance,
  			ignoreHiddenPoint = options.ignoreHiddenPoint,
  			i,
  			len = points.length,
  			point;
  
  		// Get positions - either an integer or a percentage string must be given.
  		// If positions are passed as a parameter, we're in a recursive loop for adjusting
  		// space for data labels.
  		if (!positions) {
  			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));
  		};
  
  		// Calculate the geometry for each point
  		for (i = 0; i < len; i++) {
  			
  			point = points[i];
  			
  			// set start and end angle
  			start = startAngleRad + (cumulative * circ);
  			if (!ignoreHiddenPoint || point.visible) {
  				cumulative += point.percentage / 100;
  			}
  			end = startAngleRad + (cumulative * circ);
  
  			// set the shape
  			point.shapeType = 'arc';
  			point.shapeArgs = {
  				x: positions[0],
  				y: positions[1],
  				r: positions[2] / 2,
  				innerR: positions[3] / 2,
  				start: mathRound(start * precision) / precision,
  				end: mathRound(end * precision) / precision
  			};
  
  			// center for the sliced out slice
  			angle = (end + start) / 2;
  			if (angle > 0.75 * circ) {
  				angle -= 2 * mathPI;
  			}
  			point.slicedTranslation = {
  				translateX: mathRound(mathCos(angle) * slicedOffset),
  				translateY: mathRound(mathSin(angle) * slicedOffset)
  			};
  
  			// 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
  			];
  			
  			point.half = angle < -mathPI / 2 || angle > mathPI / 2 ? 1 : 0;
  			point.angle = angle;
  
  			// set the anchor point for data labels
  			connectorOffset = mathMin(connectorOffset, labelDistance / 2); // #1678
  			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' :
  					point.half ? 'right' : 'left', // alignment
  				angle // center angle
  			];
  
  		}
  	},
  
  	setTooltipPoints: noop,
  	drawGraph: null,
  
  	/**
  	 * 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;
  
  		if (shadow && !series.shadowGroup) {
  			series.shadowGroup = renderer.g('shadow')
  				.add(series.group);
  		}
  
  		// draw the slices
  		each(series.points, function (point) {
  			graphic = point.graphic;
  			shapeArgs = point.shapeArgs;
  			shadowGroup = point.shadowGroup;
  
  			// put the shadow behind all points
  			if (shadow && !shadowGroup) {
  				shadowGroup = point.shadowGroup = renderer.g('shadow')
  					.add(series.shadowGroup);
  			}
  
  			// if the point is sliced, use special translation, else use plot area traslation
  			groupTranslation = point.sliced ? point.slicedTranslation : {
  				translateX: 0,
  				translateY: 0
  			};
  
  			//group.translate(groupTranslation[0], groupTranslation[1]);
  			if (shadowGroup) {
  				shadowGroup.attr(groupTranslation);
  			}
  
  			// draw the slice
  			if (graphic) {
  				graphic.animate(extend(shapeArgs, groupTranslation));
  			} else {
  				point.graphic = graphic = renderer.arc(shapeArgs)
  					.setRadialReference(series.center)
  					.attr(
  						point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]
  					)
  					.attr({ 'stroke-linejoin': 'round' })
  					.attr(groupTranslation)
  					.add(series.group)
  					.shadow(shadow, shadowGroup);	
  			}
  
  			// detect point specific visibility
  			if (point.visible === false) {
  				point.setVisible(false);
  			}
  
  		});
  
  	},
  
  	/**
  	 * Utility for sorting data labels
  	 */
  	sortByAngle: function (points, sign) {
  		points.sort(function (a, b) {
  			return a.angle !== undefined && (b.angle - a.angle) * sign;
  		});
  	},
  
  	/**
  	 * 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),
  			plotWidth = chart.plotWidth,
  			plotHeight = chart.plotHeight,
  			connector,
  			connectorPath,
  			softConnector = pick(options.softConnector, true),
  			distanceOption = options.distance,
  			seriesCenter = series.center,
  			radius = seriesCenter[2] / 2,
  			centerY = seriesCenter[1],
  			outside = distanceOption > 0,
  			dataLabel,
  			dataLabelWidth,
  			labelPos,
  			labelHeight,
  			halves = [// divide the points into right and left halves for anti collision
  				[], // right
  				[]  // left
  			],
  			x,
  			y,
  			visibility,
  			rankArr,
  			i,
  			j,
  			overflow = [0, 0, 0, 0], // top, right, bottom, left
  			sort = function (a, b) {
  				return b.y - a.y;
  			};
  
  		// get out if not enabled
  		if (!series.visible || (!options.enabled && !series._hasPointLabels)) {
  			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.half].push(point);
  			}
  		});
  
  		// assume equal label heights
  		i = 0;
  		while (!labelHeight && data[i]) { // #1569
  			labelHeight = data[i] && data[i].dataLabel && (data[i].dataLabel.getBBox().height || 21); // 21 is for #968
  			i++;
  		}
  
  		/* Loop over the points in each half, starting from the top and bottom
  		 * of the pie to detect overlapping labels.
  		 */
  		i = 2;
  		while (i--) {
  
  			var slots = [],
  				slotsLength,
  				usedSlots = [],
  				points = halves[i],
  				pos,
  				length = points.length,
  				slotIndex;
  				
  			// Sort by angle
  			series.sortByAngle(points, i - 0.5);
  
  			// 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, 1)
  							.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);
  				
  			
  				// Record the placement and visibility
  				dataLabel._attr = {
  					visibility: visibility,
  					align: labelPos[6]
  				};
  				dataLabel._pos = {
  					x: x + options.x +
  						({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
  					y: y + options.y - 10 // 10 is for the baseline (label vs text)
  				};
  				dataLabel.connX = x;
  				dataLabel.connY = y;
  				
  						
  				// Detect overflowing data labels
  				if (this.options.size === null) {
  					dataLabelWidth = dataLabel.width;
  					// Overflow left
  					if (x - dataLabelWidth < connectorPadding) {
  						overflow[3] = mathMax(mathRound(dataLabelWidth - x + connectorPadding), overflow[3]);
  						
  					// Overflow right
  					} else if (x + dataLabelWidth > plotWidth - connectorPadding) {
  						overflow[1] = mathMax(mathRound(x + dataLabelWidth - plotWidth + connectorPadding), overflow[1]);
  					}
  					
  					// Overflow top
  					if (y - labelHeight / 2 < 0) {
  						overflow[0] = mathMax(mathRound(-y + labelHeight / 2), overflow[0]);
  						
  					// Overflow left
  					} else if (y + labelHeight / 2 > plotHeight) {
  						overflow[2] = mathMax(mathRound(y + labelHeight / 2 - plotHeight), overflow[2]);
  					}
  				}
  			} // for each point
  		} // for each half
  		
  		// Do not apply the final placement and draw the connectors until we have verified
  		// that labels are not spilling over. 
  		if (arrayMax(overflow) === 0 || this.verifyDataLabelOverflow(overflow)) {
  			
  			// Place the labels in the final position
  			this.placeDataLabels();
  			
  			// Draw the connectors
  			if (outside && connectorWidth) {
  				each(this.points, function (point) {
  					connector = point.connector;
  					labelPos = point.labelPos;
  					dataLabel = point.dataLabel;
  					
  					if (dataLabel && dataLabel._pos) {
  						visibility = dataLabel._attr.visibility;
  						x = dataLabel.connX;
  						y = dataLabel.connY;
  						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
  							})
  							.add(series.group);
  						}
  					} else if (connector) {
  						point.connector = connector.destroy();
  					}
  				});
  			}			
  		}
  	},
  	
  	/**
  	 * Verify whether the data labels are allowed to draw, or we should run more translation and data
  	 * label positioning to keep them inside the plot area. Returns true when data labels are ready 
  	 * to draw.
  	 */
  	verifyDataLabelOverflow: function (overflow) {
  		
  		var center = this.center,
  			options = this.options,
  			centerOption = options.center,
  			minSize = options.minSize || 80,
  			newSize = minSize,
  			ret;
  			
  		// Handle horizontal size and center
  		if (centerOption[0] !== null) { // Fixed center
  			newSize = mathMax(center[2] - mathMax(overflow[1], overflow[3]), minSize);
  			
  		} else { // Auto center
  			newSize = mathMax(
  				center[2] - overflow[1] - overflow[3], // horizontal overflow					
  				minSize
  			);
  			center[0] += (overflow[3] - overflow[1]) / 2; // horizontal center
  		}
  		
  		// Handle vertical size and center
  		if (centerOption[1] !== null) { // Fixed center
  			newSize = mathMax(mathMin(newSize, center[2] - mathMax(overflow[0], overflow[2])), minSize);
  			
  		} else { // Auto center
  			newSize = mathMax(
  				mathMin(
  					newSize,		
  					center[2] - overflow[0] - overflow[2] // vertical overflow
  				),
  				minSize
  			);
  			center[1] += (overflow[0] - overflow[2]) / 2; // vertical center
  		}
  		
  		// If the size must be decreased, we need to run translate and drawDataLabels again
  		if (newSize < center[2]) {
  			center[2] = newSize;
  			this.translate(center);
  			each(this.points, function (point) {
  				if (point.dataLabel) {
  					point.dataLabel._pos = null; // reset
  				}
  			});
  			this.drawDataLabels();
  			
  		// Else, return true to indicate that the pie and its labels is within the plot area
  		} else {
  			ret = true;
  		}
  		return ret;
  	},
  	
  	/**
  	 * Perform the final placement of the data labels after we have verified that they
  	 * fall within the plot area.
  	 */
  	placeDataLabels: function () {
  		each(this.points, function (point) {
  			var dataLabel = point.dataLabel,
  				_pos;
  			
  			if (dataLabel) {
  				_pos = dataLabel._pos;
  				if (_pos) {
  					dataLabel.attr(dataLabel._attr);			
  					dataLabel[dataLabel.moved ? 'animate' : 'attr'](_pos);
  					dataLabel.moved = true;
  				} else if (dataLabel) {
  					dataLabel.attr({ y: -999 });
  				}
  			}
  		});
  	},
  	
  	alignDataLabel: noop,
  
  	/**
  	 * 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: noop
  
  };
  PieSeries = extendClass(Series, PieSeries);
  seriesTypes.pie = PieSeries;
  
  
  // global variables
  extend(Highcharts, {
  	
  	// Constructors
  	Axis: Axis,
  	Chart: Chart,
  	Color: Color,
  	Legend: Legend,
  	Pointer: Pointer,
  	Point: Point,
  	Tick: Tick,
  	Tooltip: Tooltip,
  	Renderer: Renderer,
  	Series: Series,
  	SVGElement: SVGElement,
  	SVGRenderer: SVGRenderer,
  	
  	// Various
  	arrayMin: arrayMin,
  	arrayMax: arrayMax,
  	charts: charts,
  	dateFormat: dateFormat,
  	format: format,
  	pathAnim: pathAnim,
  	getOptions: getOptions,
  	hasBidiBug: hasBidiBug,
  	isTouchDevice: isTouchDevice,
  	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,
  	wrap: wrap,
  	svg: hasSVG,
  	canvas: useCanVG,
  	vml: !hasSVG && !useCanVG,
  	product: PRODUCT,
  	version: VERSION
  });
  }());
  