highcharts.src.js

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

/**
 * @license @product.name@ JS v@product.version@ (@product.date@)
 * 
 * (c) 2009-2011 Torstein Hønsi
 * 
 * License: www.highcharts.com/license
 */

// JSLint options:
/*jslint forin: true */
/*global document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $ */
	
(function () {
// encapsulated variables
var doc = document,
	win = window,
	math = Math,
	mathRound = math.round,
	mathFloor = math.floor,
	mathCeil = math.ceil,
	mathMax = math.max,
	mathMin = math.min,
	mathAbs = math.abs,
	mathCos = math.cos,
	mathSin = math.sin,
	mathPI = math.PI,
	deg2rad = mathPI * 2 / 360,
	
	
	// some variables
	userAgent = navigator.userAgent,
	isIE = /msie/i.test(userAgent) && !win.opera,
	docMode8 = doc.documentMode === 8,
	isWebKit = /AppleWebKit/.test(userAgent),
	isFirefox = /Firefox/.test(userAgent),
	//hasSVG = win.SVGAngle || doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"),
	hasSVG = !!doc.createElementNS && !!doc.createElementNS("http://www.w3.org/2000/svg", "svg").createSVGRect,
	SVG_NS = 'http://www.w3.org/2000/svg',
	Renderer,
	hasTouch = doc.documentElement.ontouchstart !== undefined,
	symbolSizes = {},
	idCounter = 0,
	timeFactor = 1, // 1 = JavaScript time, 1000 = Unix time
	garbageBin,
	defaultOptions,
	dateFormat, // function
	globalAnimation,
	pathAnim,
	
	
	// some constants for frequently used strings
	UNDEFINED,
	DIV = 'div',
	ABSOLUTE = 'absolute',
	RELATIVE = 'relative',
	HIDDEN = 'hidden',
	PREFIX = 'highcharts-',
	VISIBLE = 'visible',
	PX = 'px',
	NONE = 'none',
	M = 'M',
	L = 'L',
	/*
	 * Empirical lowest possible opacities for TRACKER_FILL
	 * IE6: 0.002
	 * IE7: 0.002
	 * IE8: 0.002
	 * IE9: 0.00000000001 (unlimited)
	 * FF: 0.00000000001 (unlimited)
	 * Chrome: 0.000001
	 * Safari: 0.000001
	 * Opera: 0.00000000001 (unlimited)
	 */
	TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.000001 : 0.002) + ')', // invisible but clickable
	NORMAL_STATE = '',
	HOVER_STATE = 'hover',
	SELECT_STATE = 'select',
	
	// time methods, changed based on whether or not UTC is used
	makeTime,
	getMinutes,
	getHours,
	getDay,
	getDate,
	getMonth,
	getFullYear,
	setMinutes,
	setHours,
	setDate,
	setMonth,
	setFullYear,
	
	// check for a custom HighchartsAdapter defined prior to this file
	globalAdapter = win.HighchartsAdapter,
	adapter = globalAdapter || {}, 
	
	// Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object
	// and all the utility functions will be null. In that case they are populated by the 
	// default adapters below.
	each = adapter.each,
	grep = adapter.grep,
	map = adapter.map,
	merge = adapter.merge,
	addEvent = adapter.addEvent,
	removeEvent = adapter.removeEvent,
	fireEvent = adapter.fireEvent,
	animate = adapter.animate,
	stop = adapter.stop,
	
	// lookup over the types and the associated classes
	seriesTypes = {},
	hoverChart;
	
/**
 * 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;
}

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

function log2lin(num) {
	return math.log(num) / math.LN10;
}
function lin2log(num) {
	return math.pow(10, num);
}

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

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

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

			elem[setAttribute](prop, value);
		
		// get the value
		} else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
			ret = elem.getAttribute(prop);
		}
	
	// else if prop is defined, it is a hash of key/value pairs
	} else if (defined(prop) && isObject(prop)) {
		for (key in prop) {
			elem[setAttribute](key, prop[key]);
		}
	}
	return ret;
}
/**
 * Check if an element is an array, and if not, make it into an array. Like
 * MooTools' $.splat.
 */
function splat(obj) {
	if (!obj || obj.constructor !== Array) {
		obj = [obj];
	}
	return obj; 
}



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

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

/* *
 * Get CSS value on a given element
 * @param {Object} el DOM object
 * @param {String} styleProp Camel cased CSS propery
 * /
function getStyle (el, styleProp) {
	var ret,
		CURRENT_STYLE = 'currentStyle',
		GET_COMPUTED_STYLE = 'getComputedStyle';
	if (el[CURRENT_STYLE]) {
		ret = el[CURRENT_STYLE][styleProp];
	} else if (win[GET_COMPUTED_STYLE]) {
		ret = win[GET_COMPUTED_STYLE](el, null).getPropertyValue(hyphenate(styleProp));
	}
	return ret;
}*/

/**
 * 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,
		c = isNaN(decimals = mathAbs(decimals)) ? 2 : decimals,
		d = decPoint === undefined ? lang.decimalPoint : decPoint,
		t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
		s = n < 0 ? "-" : "",
		i = String(pInt(n = mathAbs(+n || 0).toFixed(c))),
		j = i.length > 3 ? i.length % 3 : 0;
    
	return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
		(c ? d + mathAbs(n - i).toFixed(c).slice(2) : "");
}

/**
 * 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) {
	function pad(number) {
		return number.toString().replace(/^([0-9])$/, '0$1');
	}
	
	if (!defined(timestamp) || isNaN(timestamp)) {
		return 'Invalid date';
	}
	format = pick(format, '%Y-%m-%d %H:%M:%S');
	
	var date = new Date(timestamp * timeFactor),
		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,
		langMonths = lang.months,
		/* // uncomment this and the 'W' format key below to enable week numbers
		weekNumber = function() { 
			var clone = new Date(date.valueOf()),
				day = clone[getDay]() == 0 ? 7 : clone[getDay](),
				dayNumber;
			clone.setDate(clone[getDate]() + 4 - day);
			dayNumber = mathFloor((clone.getTime() - new Date(clone[getFullYear](), 0, 1, -6)) / 86400000);
			return 1 + mathFloor(dayNumber / 7);
		},
		*/
		
		// list all format keys
		replacements = {

			// Day
			'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
			'A': langWeekdays[day], // Long weekday, like 'Monday'
			'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31 
			'e': dayOfMonth, // Day of the month, 1 through 31 
			
			// Week (none implemented)
			//'W': weekNumber(),
			
			// Month
			'b': langMonths[month].substr(0, 3), // Short month, like 'Jan'
			'B': langMonths[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
			
		};


	// do the replaces
	for (key in replacements) {
		format = format.replace('%' + key, replacements[key]);
	}
		
	// Optionally capitalize the string and return
	return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
};

/**
 * Loop up the node tree and add offsetWidth and offsetHeight to get the
 * total page offset for a given element. Used by Opera and iOS on hover and
 * all browsers on point click.
 * 
 * @param {Object} el
 * 
 */
function getPosition(el) {
	var p = { left: el.offsetLeft, top: el.offsetTop };
	el = el.offsetParent;
	while (el) {
		p.left += el.offsetLeft;
		p.top += el.offsetTop;
		if (el !== doc.body && el !== doc.documentElement) {
			p.left -= el.scrollLeft;
			p.top -= el.scrollTop;
		}
		el = el.offsetParent;
	}
	return p;
}

/**
 * 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 extracted from Tooltip code that places a tooltip in a chart without spilling over
 * and not covering the point it self.
 */
function placeBox(boxWidth, boxHeight, outerLeft, outerTop, outerWidth, outerHeight, point) {
	// keep the box within the chart area
	var x = point.x - boxWidth + outerLeft - 25,
		y = point.y - boxHeight + outerTop + 10;

	// it is too far to the left, adjust it
	if (x < 7) {
		x = outerLeft + point.x + 15;
	}

	// Test to see if the tooltip is to far to the right,
	// if it is, move it back to be inside and then up to not cover the point.
	if ((x + boxWidth) > (outerLeft + outerWidth)) {
		x -= (x + boxWidth) - (outerLeft + outerWidth);
		y -= boxHeight;
	}

	if (y < 5) {
		y = 5; // above
	} else if (y + boxHeight > outerHeight) {
		y = outerHeight - boxHeight - 5; // below
		y = outerHeight - boxHeight - 5; // below
	}

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

/**
 * 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,
		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) {
		var 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
	}
}

/**
 * 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);
}

/* 
 * Define the adapter for frameworks. If an external adapter is not defined, 
 * Highcharts reverts to the built-in jQuery adapter.
 */
if (globalAdapter && globalAdapter.init) {
	globalAdapter.init();
} 
if (!globalAdapter && win.jQuery) {
	var jQ = jQuery;
	
	/**
	 * Utility for iterating over an array. Parameters are reversed compared to jQuery.
	 * @param {Array} arr
	 * @param {Function} fn
	 */
	each = function (arr, fn) {
		var i = 0, 
			len = arr.length;
		for (; i < len; i++) {
			if (fn.call(arr[i], arr[i], i, arr) === false) {
				return i;
			}
		}
	};
	
	/**
	 * Filter an array
	 */
	grep = jQ.grep;
	
	/**
	 * Map an array
	 * @param {Array} arr
	 * @param {Function} fn
	 */
	map = function (arr, fn) {
		//return jQuery.map(arr, fn);
		var results = [],
			i = 0,
			len = arr.length;
		for (; i < len; i++) {
			results[i] = fn.call(arr[i], arr[i], i, arr);
		}
		return results;
		
	};
	
	/**
	 * Deep merge two objects and return a third object
	 */
	merge = function () {
		var args = arguments;
		return jQ.extend(true, null, args[0], args[1], args[2], args[3]);
	};
	
	/**
	 * Add an event listener
	 * @param {Object} el A HTML element or custom object
	 * @param {String} event The event type
	 * @param {Function} fn The event handler
	 */
	addEvent = function (el, event, fn) {
		jQ(el).bind(event, fn);
	};
	
	/**
	 * Remove event added with addEvent
	 * @param {Object} el The object
	 * @param {String} eventType The event type. Leave blank to remove all events.
	 * @param {Function} handler The function to remove
	 */
	removeEvent = function (el, eventType, handler) {
		// workaround for jQuery issue with unbinding custom events:
		// http://forum.jquery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jquery-1-4-2
		var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
		if (doc[func] && !el[func]) {
			el[func] = function () {};
		}
		
		jQ(el).unbind(eventType, handler);
	};
	
	/**
	 * Fire an event on a custom object
	 * @param {Object} el
	 * @param {String} type
	 * @param {Object} eventArguments
	 * @param {Function} defaultFunction
	 */
	fireEvent = function (el, type, eventArguments, defaultFunction) {
		var event = jQ.Event(type),
			detachedType = 'detached' + type;
		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;	
		}
		
		// trigger it
		jQ(el).trigger(event);
		
		// attach the method
		if (el[detachedType]) {
			el[type] = el[detachedType];
			el[detachedType] = null;
		}
		
		if (defaultFunction && !event.isDefaultPrevented()) {
			defaultFunction(event);
		}	
	};

	/**
	 * Animate a HTML element or SVG element wrapper
	 * @param {Object} el
	 * @param {Object} params
	 * @param {Object} options jQuery-like animation options: duration, easing, callback
	 */
	animate = function (el, params, options) {
		var $el = jQ(el);
		if (params.d) {
			el.toD = params.d; // keep the array form for paths, used in jQ.fx.step.d
			params.d = 1; // because in jQuery, animating to an array has a different meaning
		}
		
		$el.stop();
		$el.animate(params, options);
		
	};
	/**
	 * Stop running animation
	 */
	stop = function (el) {
		jQ(el).stop();
	};
	
	
	// extend jQuery
	jQ.extend(jQ.easing, {
		easeOutQuad: function (x, t, b, c, d) {
			return -c * (t /= d) * (t - 2) + b;
		}
	});
					
	// extend the animate function to allow SVG animations
	var oldStepDefault = jQuery.fx.step._default, 
		oldCur = jQuery.fx.prototype.cur;
	
	// do the step
	jQ.fx.step._default = function (fx) {
		var elem = fx.elem;
		if (elem.attr) { // is SVG element wrapper
			elem.attr(fx.prop, fx.now);
		} else {
			oldStepDefault.apply(this, arguments);
		}
	};
	// animate paths
	jQ.fx.step.d = function (fx) {
		var elem = fx.elem;
			
		
		// Normally start and end should be set in state == 0, but sometimes,
		// for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
		// in these cases
		if (!fx.started) {
			var ends = pathAnim.init(elem, elem.d, elem.toD);
			fx.start = ends[0];
			fx.end = ends[1];
			fx.started = true;
		}
		
		
		// interpolate each value of the path
		elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));
	
	};
	// get the current value
	jQ.fx.prototype.cur = function () {
		var elem = this.elem,
			r;
		if (elem.attr) { // is SVG element wrapper
			r = elem.attr(this.prop);
		} else {
			r = oldCur.apply(this, arguments);
		}
		return r;
	};
}


/**
 * Add a global listener for mousemove events
 */
/*addEvent(doc, 'mousemove', function(e) {
	if (globalMouseMove) {
		globalMouseMove(e);
	}
});*/

/**
 * 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 = [].concat(end).splice(0, numParams).concat(end);
			elem.shift = false; // reset for following animations
		}
		
		// copy and append last point until the length matches the end length
		if (start.length) {
			endLength = end.length;
			while (start.length < endLength) {		
				
				//bezier && sixify(start); 
				slice = [].concat(start).splice(start.length - numParams, numParams);
				if (bezier) { // disable first control point
					slice[numParams - 6] = slice[numParams - 2];
					slice[numParams - 5] = slice[numParams - 1];
				}
				start = start.concat(slice);
			}
		}
		
		if (startBaseLine) { // append the base lines for areas
			start = start.concat(startBaseLine);
			end = end.concat(endBaseLine);
		}
		return [start, end];
	},
	
	/**
	 * Interpolate each value of the path and return the array
	 */
	step: function (start, end, pos, complete) {
		var ret = [],
			i = start.length,
			startVal;
			
		if (pos === 1) { // land on the final path without adjustment points appended in the ends
			ret = complete;
			
		} else if (i === end.length && pos < 1) {
			while (i--) {
				startVal = parseFloat(start[i]);
				ret[i] = 
					isNaN(startVal) ? // a letter instruction like M or L
						start[i] :
						pos * (parseFloat(end[i] - startVal)) + startVal;
				
			}
		} else { // if animation is finished or length not matching, land on right value
			ret = end;
		}
		return ret;
	}
};

/**
 * Set the 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;
	
	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 = useUTC ? 'getUTCMinutes' : 'getMinutes';
	getHours = useUTC ? 'getUTCHours' : 'getHours';
	getDay = useUTC ? 'getUTCDay' : 'getDay';
	getDate = useUTC ? 'getUTCDate' : 'getDate';
	getMonth = useUTC ? 'getUTCMonth' : 'getMonth';
	getFullYear = useUTC ? 'getUTCFullYear' : 'getFullYear';
	setMinutes = useUTC ? 'setUTCMinutes' : 'setMinutes';
	setHours = useUTC ? 'setUTCHours' : 'setHours';
	setDate = useUTC ? 'setUTCDate' : 'setDate';
	setMonth = useUTC ? 'setUTCMonth' : 'setMonth';
	setFullYear = useUTC ? 'setUTCFullYear' : 'setFullYear';
		
}

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

/**
 * 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 = '';
}

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

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

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

	},
	subtitle: {
		text: '',
		align: 'center',
		// floating: false
		// x: 0,
		// verticalAlign: 'top',
		y: 30, // docs
		style: {
			color: '#6D869F'
		}
	},
	
	plotOptions: {
		line: { // base series options
			allowPointSelect: false,
			showCheckbox: false,
			animation: {
				duration: 1000
			},
			// connectNulls: false, // docs
			//cursor: 'default',
			//dashStyle: null,
			//enableMouseTracking: true,
			events: {},
			//legendIndex: 0, // docs (+ pie points)
			lineWidth: 2,
			shadow: true,
			// stacking: null,
			marker: { 
				enabled: true,
				//symbol: null, 
				lineWidth: 0,
				radius: 4,
				lineColor: '#FFFFFF',
				//fillColor: null, 
				states: { // states for a single point
					hover: {
						//radius: base + 2
					},
					select: {
						fillColor: '#FFFFFF',
						lineColor: '#000000',
						lineWidth: 2
					}					
				}
			},
			point: {
				events: {}
			},
			dataLabels: merge(defaultLabelOptions, {
				enabled: false,
				y: -6,
				formatter: function () {
					return this.y;
				}
			}),
			
			//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
			//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;
		},
		// lineHeight: 16, // docs: deprecated
		borderWidth: 1,
		borderColor: '#909090',
		borderRadius: 5,
		// margin: 10,
		// reversed: false,
		shadow: false,
		// backgroundColor: null,
		style: {
			padding: '5px'
		},
		itemStyle: {
			cursor: 'pointer',
			color: '#3E576F'
		},
		itemHoverStyle: {
			cursor: 'pointer',
			color: '#000000'
		},
		itemHiddenStyle: {
			color: '#C0C0C0'
		},
		itemCheckboxStyle: {
			position: ABSOLUTE,
			width: '13px', // for IE precision
			height: '13px'
		},
		// itemWidth: undefined,
		symbolWidth: 16,
		symbolPadding: 5,
		verticalAlign: 'bottom',
		// width: undefined,
		x: 0, // docs
		y: 0 // docs
	},
	
	loading: {
		hideDuration: 100,
		labelStyle: {
			fontWeight: 'bold',
			position: RELATIVE,
			top: '1em'
		},
		showDuration: 100,
		style: {
			position: ABSOLUTE,
			backgroundColor: 'white',
			opacity: 0.5,
			textAlign: 'center'
		}
	},
	
	tooltip: {
		enabled: true,
		//crosshairs: null,
		backgroundColor: 'rgba(255, 255, 255, .85)',
		borderWidth: 2,
		borderRadius: 5,
		//formatter: defaultFormatter,
		shadow: true,
		//shared: false,
		snap: hasTouch ? 25 : 10,
		style: {
			color: '#333333',
			fontSize: '12px',
			padding: '5px',
			whiteSpace: 'nowrap'
		}
	},
	
	toolbar: {
		itemStyle: {
			color: '#4572A7',
			cursor: 'pointer'
		}
	},
	
	credits: {
		enabled: true,
		text: 'Highcharts.com',
		href: 'http://www.highcharts.com',
		position: {
			align: 'right',
			x: -10,
			verticalAlign: 'bottom',
			y: -5
		},
		style: {
			cursor: 'pointer',
			color: '#909090',
			fontSize: '10px'
		}
	}
};

// Axis defaults
var defaultXAxisOptions =  {
	// allowDecimals: null,
	// alternateGridColor: null,
	// categories: [],
	dateTimeLabelFormats: {
		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', // docs
	// gridLineWidth: 0,
	// reversed: false,
	
	labels: defaultLabelOptions,
		// { step: null },
	lineColor: '#C0D0E0',
	lineWidth: 1,
	//linkedTo: null,
	max: null,
	min: null,
	minPadding: 0.01,
	maxPadding: 0.01,
	//maxZoom: 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: false,
	startOfWeek: 1, 
	startOnTick: false,
	tickColor: '#C0D0E0',
	//tickInterval: null,
	tickLength: 5,
	tickmarkPlacement: 'between', // on or between
	tickPixelInterval: 100,
	tickPosition: 'outside',
	tickWidth: 1,
	title: {
		//text: null,
		align: 'middle', // low, middle or high
		//margin: 0 for horizontal, 10 for vertical axes,
		//rotation: 0,
		//side: 'outside',
		style: {
			color: '#6D869F',
			//font: defaultFont.replace('normal', 'bold')
			fontWeight: 'bold'
		}
		//x: 0,
		//y: 0
	},
	type: 'linear' // linear, logarithmic or datetime // docs
},

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

defaultLeftAxisOptions = {
	labels: {
		align: 'right',
		x: -8,
		y: null // docs
	},
	title: {
		rotation: 270
	}
},
defaultRightAxisOptions = {
	labels: {
		align: 'left',
		x: 8,
		y: null // docs
	},
	title: {
		rotation: 90
	}
},
defaultBottomAxisOptions = { // horizontal axis
	labels: {
		align: 'center',
		x: 0,
		y: 14
		// staggerLines: null
	},
	title: {
		rotation: 0
	}
},
defaultTopAxisOptions = merge(defaultBottomAxisOptions, {
	labels: {
		y: -5
		// staggerLines: null
	}
});


 

// Series defaults
var defaultPlotOptions = defaultOptions.plotOptions, 
	defaultSeriesOptions = defaultPlotOptions.line; 
//defaultPlotOptions.line = merge(defaultSeriesOptions);
defaultPlotOptions.spline = merge(defaultSeriesOptions);
defaultPlotOptions.scatter = merge(defaultSeriesOptions, {
	lineWidth: 0,
	states: {
		hover: {
			lineWidth: 0
		}
	}
});
defaultPlotOptions.area = merge(defaultSeriesOptions, {
	// threshold: 0,
	// lineColor: null, // overrides color, but lets fillColor be unaltered
	// fillOpacity: 0.75,
	// fillColor: null

});
defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);
defaultPlotOptions.column = merge(defaultSeriesOptions, {
	borderColor: '#FFFFFF',
	borderWidth: 1,
	borderRadius: 0,
	//colorByPoint: undefined,
	groupPadding: 0.2,
	marker: null, // point options are specified in the base options
	pointPadding: 0.1,
	//pointWidth: null,
	minPointLength: 0, 
	states: {
		hover: {
			brightness: 0.1,
			shadow: false
		},
		select: {
			color: '#C0C0C0',
			borderColor: '#000000',
			shadow: false
		}
	},
	dataLabels: {
		y: null,
		verticalAlign: null
	}
});
defaultPlotOptions.bar = merge(defaultPlotOptions.column, {
	dataLabels: {
		align: 'left',
		x: 5,
		y: 0
	}
});
defaultPlotOptions.pie = merge(defaultSeriesOptions, {
	//dragType: '', // n/a
	borderColor: '#FFFFFF',
	borderWidth: 1,
	center: ['50%', '50%'],
	colorByPoint: true, // always true for pies
	dataLabels: {
		// align: null,
		// connectorWidth: 1,
		// connectorColor: '#606060',
		// connectorPadding: 5,
		distance: 30,
		enabled: true,
		formatter: function () {
			return this.point.name;
		},
		y: 5
	},
	//innerSize: 0,
	legendType: 'point',
	marker: null, // point options are specified in the base options
	size: '75%',
	showInLegend: false,
	slicedOffset: 10,
	states: {
		hover: {
			brightness: 0.1,
			shadow: false
		}
	}
	
});

// set the default time methods
setTimeMethods();


/**
 * Handle color operations. The object methods are chainable.
 * @param {String} input The input color in either rbga or hex format
 */
var Color = function (input) {
	// declare variables
	var rgba = [], result;
	
	/**
	 * Parse the input color to rgba array
	 * @param {String} input
	 */
	function init(input) {
		
		// rgba
		result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/.exec(input);
		if (result) {
			rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
		} else { // hex
			result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(input);
			if (result) {
				rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
			}
		}
	
	}
	/**
	 * Return the color a specified format
	 * @param {String} format
	 */
	function get(format) {
		var ret;
		
		// it's NaN if gradient colors on a column chart
		if (rgba && !isNaN(rgba[0])) {
			if (format === 'rgb') {
				ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
			} else if (format === 'a') {
				ret = rgba[3];
			} else {
				ret = 'rgba(' + rgba.join(',') + ')';
			}
		} else {
			ret = input;
		}
		return ret;
	}
	
	/**
	 * Brighten the color
	 * @param {Number} alpha
	 */
	function brighten(alpha) {
		if (isNumber(alpha) && alpha !== 0) {
			var i;
			for (i = 0; i < 3; i++) {
				rgba[i] += pInt(alpha * 255);
				
				if (rgba[i] < 0) {
					rgba[i] = 0;
				}
				if (rgba[i] > 255) {
					rgba[i] = 255;
				}
			}
		}
		return this;
	}
	/**
	 * Set the color's opacity to a given alpha value
	 * @param {Number} alpha
	 */
	function setOpacity(alpha) {
		rgba[3] = alpha;
		return this;
	}	
	
	// initialize: parse the input
	init(input);
	
	// public methods
	return {
		get: get,
		brighten: brighten,
		setOpacity: setOpacity
	};
};

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

SVGElement.prototype = {
	/**
	 * Initialize the SVG renderer
	 * @param {Object} renderer
	 * @param {String} nodeName
	 */
	init: function (renderer, nodeName) {
		this.element = doc.createElementNS(SVG_NS, nodeName);
		this.renderer = renderer;
	},
	/**
	 * 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);
		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 key, 
			value, 
			i, 
			child,
			element = this.element,
			nodeName = element.nodeName,
			renderer = this.renderer,
			skipAttr,
			shadows = this.shadows,
			hasSetSymbolSize,
			ret = this;
			
		// 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) || this[key] || 0;
			
			if (key !== 'd' && key !== 'visibility') { // 'd' is string in animation step
				ret = parseFloat(ret);
			}
			
		// setter
		} else {
		
			for (key in hash) {
				skipAttr = false; // reset
				value = hash[key];
				
				// paths
				if (key === 'd') {
					if (value && value.join) { // join path
						value = value.join(' ');
					}					
					if (/(NaN| {2}|^$)/.test(value)) {
						value = 'M 0 0';
					}
					this.d = value; // shortcut for animations
					
				// update child tspans x values
				} else if (key === 'x' && nodeName === 'text') { 
					for (i = 0; i < element.childNodes.length; i++) {
						child = element.childNodes[i];
						// if the x values are equal, the tspan represents a linebreak
						if (attr(child, 'x') === attr(element, 'x')) {
							//child.setAttribute('x', value);
							attr(child, 'x', value);
						}
					}
					
					if (this.rotation) {
						attr(element, 'transform', 'rotate(' + this.rotation + ' ' + value + ' ' +
							pInt(hash.y || attr(element, 'y')) + ')');
					}
					
				// apply gradients
				} else if (key === 'fill') {
					value = renderer.color(value, element, key);
				
				// circle x and y
				} else if (nodeName === 'circle' && (key === 'x' || key === 'y')) {
					key = { x: 'cx', y: 'cy' }[key] || key;
					
				// translation and text rotation
				} else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'verticalAlign') {
					this[key] = value;
					this.updateTransform();
					skipAttr = true;
	
				// apply opacity as subnode (required by legacy WebKit and Batik)
				} else if (key === 'stroke') {
					value = renderer.color(value, element, key);
					
				// emulate VML's dashstyle implementation
				} else if (key === 'dashstyle') {
					key = 'stroke-dasharray';
					value = value && value.toLowerCase();
					if (value === 'solid') {
						value = NONE;
					} else if (value) {
						value = value
							.replace('shortdashdotdot', '3,1,1,1,1,1,')
							.replace('shortdashdot', '3,1,1,1')
							.replace('shortdot', '1,1,')
							.replace('shortdash', '3,1,')
							.replace('longdash', '8,3,')
							.replace(/dot/g, '1,3,')
							.replace('dash', '4,3,')
							.replace(/,$/, '')
							.split(','); // ending comma
						
						i = value.length;
						while (i--) {
							value[i] = pInt(value[i]) * hash['stroke-width'];
						}
						
						value = value.join(',');
					}	
					
				// special
				} else if (key === 'isTracker') {
					this[key] = value;
				
				// IE9/MooTools combo: MooTools returns objects instead of numbers and IE9 Beta 2
				// is unable to cast them. Test again with final IE9.
				} else if (key === 'width') {
					value = pInt(value);
				
				// Text alignment
				} else if (key === 'align') {
					key = 'text-anchor';
					value = { left: 'start', center: 'middle', right: 'end' }[value];
				}
				
				
				
				// jQuery animate changes case
				if (key === 'strokeWidth') {
					key = 'stroke-width';
				}
				
				// Chrome/Win < 6 bug (http://code.google.com/p/chromium/issues/detail?id=15461)				
				if (isWebKit && key === 'stroke-width' && value === 0) {
					value = 0.000001;
				}
				
				// symbols
				if (this.symbolName && /^(x|y|r|start|end|innerR)/.test(key)) {
					
					
					if (!hasSetSymbolSize) {
						this.symbolAttr(hash);
						hasSetSymbolSize = true;
					}
					skipAttr = true;
				}
				
				// let the shadow follow the main element
				if (shadows && /^(width|height|visibility|x|y|d)$/.test(key)) {
					i = shadows.length;
					while (i--) {
						attr(shadows[i], key, value);
					}					
				}
				
				// validate heights
				if ((key === 'width' || key === 'height') && nodeName === 'rect' && value < 0) {
					value = 0;
				}
				
				if (key === 'text') {
					// only one node allowed
					this.textStr = value;
					if (this.added) {
						renderer.buildText(this);
					}
				} else if (!skipAttr) {
					//element.setAttribute(key, value);
					attr(element, key, value);
				}
				
			}
			
		}
		return ret;
	},
	
	/**
	 * If one of the symbol size affecting parameters are changed,
	 * check all the others only once for each call to an element's
	 * .attr() method
	 * @param {Object} hash
	 */
	symbolAttr: function (hash) {
		var wrapper = this;
		
		each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR'], function (key) {
			wrapper[key] = pick(hash[key], wrapper[key]);
		});
		
		wrapper.attr({ 
			d: wrapper.renderer.symbols[wrapper.symbolName](
					mathRound(wrapper.x * 2) / 2, // Round to halves. Issue #274.
					mathRound(wrapper.y * 2) / 2, 
					wrapper.r, 
					{
						start: wrapper.start, 
						end: wrapper.end,
						width: wrapper.width, 
						height: wrapper.height,
						innerR: wrapper.innerR
					}
			)
		});
	},
	
	/**
	 * Apply a clipping path to this object
	 * @param {String} id
	 */
	clip: function (clipRect) {
		return this.attr('clip-path', 'url(' + this.renderer.url + '#' + clipRect.id + ')');
	},
	
	/**
	 * Calculate the coordinates needed for drawing a rectangle crisply and return the
	 * calculated attributes
	 * @param {Number} strokeWidth
	 * @param {Number} x
	 * @param {Number} y
	 * @param {Number} width
	 * @param {Number} height
	 */
	crisp: function (strokeWidth, x, y, width, height) {
		
		var wrapper = this,
			key,
			attr = {},
			values = {},
			normalizer;
			
		strokeWidth = strokeWidth || wrapper.strokeWidth || 0;
		normalizer = strokeWidth % 2 / 2;

		// 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] = attr[key] = values[key];
			}
		}
		
		return attr;
	},
	
	/**
	 * Set styles for the element
	 * @param {Object} styles
	 */
	css: function (styles) {
		var elemWrapper = this,
			elem = elemWrapper.element,
			textWidth = styles && styles.width && elem.nodeName === 'text',
			n,
			serializedCss = '',
			hyphenate = function (a, b) { return '-' + b.toLowerCase(); };
			
		// convert legacy
		if (styles && styles.color) {
			styles.fill = styles.color;
		}

		// Merge the new styles with the old ones
		styles = extend(
			elemWrapper.styles,
			styles
		);
		
		
		// store object
		elemWrapper.styles = styles;
		
		
		// serialize and set style attribute
		if (isIE && !hasSVG) { // legacy IE doesn't support setting style attribute
			if (textWidth) {
				delete styles.width;
			} 
			css(elemWrapper.element, styles);	
		} else {
			for (n in styles) {
				serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
			}
			elemWrapper.attr({
				style: serializedCss
			});
		}	
		
		
		// re-build text
		if (textWidth && elemWrapper.added) {
			elemWrapper.renderer.buildText(elemWrapper);
		}
		
		return elemWrapper;
	},
	
	/**
	 * Add an event listener
	 * @param {String} eventType
	 * @param {Function} handler
	 */
	on: function (eventType, handler) {
		var fn = handler;
		// touch
		if (hasTouch && eventType === 'click') {
			eventType = 'touchstart';
			fn = function (e) {
				e.preventDefault();
				handler();
			};
		}
		// simplest possible event model for internal use
		this.element['on' + eventType] = fn;
		return this;
	},
	
	
	/**
	 * 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;
	},
	
	/**
	 * Private method to update the transform attribute based on internal 
	 * properties
	 */
	updateTransform: function () {
		var wrapper = this,
			translateX = wrapper.translateX || 0,
			translateY = wrapper.translateY || 0,
			inverted = wrapper.inverted,
			rotation = wrapper.rotation,
			transform = [];
			
		// flipping affects translate as adjustment for flipping around the group's axis
		if (inverted) {
			translateX += wrapper.attr('width');
			translateY += wrapper.attr('height');
		}
			
		// apply translate
		if (translateX || translateY) {
			transform.push('translate(' + translateX + ',' + translateY + ')');
		}
		
		// apply rotation
		if (inverted) {
			transform.push('rotate(90) scale(-1,1)');
		} else if (rotation) { // text rotation
			transform.push('rotate(' + rotation + ' ' + wrapper.x + ' ' + wrapper.y + ')');
		}
		
		if (transform.length) {
			attr(wrapper.element, 'transform', transform.join(' '));
		}
	},
	/**
	 * Bring the element to the front
	 */
	toFront: function () {
		var element = this.element;
		element.parentNode.appendChild(element);
		return this;
	},
	
	
	/**
	 * Break down alignment options like align, verticalAlign, x and y 
	 * to x and y relative to the chart.
	 * 
	 * @param {Object} alignOptions
	 * @param {Boolean} alignByTranslate
	 * @param {Object} box The box to align to, needs a width and height
	 * 
	 */
	align: function (alignOptions, alignByTranslate, box) {
		var elemWrapper = this;
		
		if (!alignOptions) { // called on resize
			alignOptions = elemWrapper.alignOptions;
			alignByTranslate = elemWrapper.alignByTranslate;
		} else { // first call on instanciate
			elemWrapper.alignOptions = alignOptions;
			elemWrapper.alignByTranslate = alignByTranslate;
			if (!box) { // boxes other than renderer handle this internally
				elemWrapper.renderer.alignedObjects.push(elemWrapper);
			}
		}
		
		box = pick(box, elemWrapper.renderer);
		
		var align = alignOptions.align,
			vAlign = alignOptions.verticalAlign,
			x = (box.x || 0) + (alignOptions.x || 0), // default: left align
			y = (box.y || 0) + (alignOptions.y || 0), // default: top align
			attribs = {};
			
			
		// align
		if (/^(right|center)$/.test(align)) {
			x += (box.width - (alignOptions.width || 0)) /
					{ right: 1, center: 2 }[align];
		}
		attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);
		
		
		// vertical align
		if (/^(bottom|middle)$/.test(vAlign)) {
			y += (box.height - (alignOptions.height || 0)) /
					({ bottom: 1, middle: 2 }[vAlign] || 1);
			
		}
		attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);
		
		// animate only if already placed
		elemWrapper[elemWrapper.placed ? 'animate' : 'attr'](attribs);
		elemWrapper.placed = true;
		elemWrapper.alignAttr = attribs;
		
		return elemWrapper;
	},
	
	/**
	 * Get the bounding box (width, height, x and y) for the element
	 */
	getBBox: function () {		
		var bBox,
			width,
			height,
			rotation = this.rotation,
			rad = rotation * deg2rad;
			
		try { // fails in Firefox if the container has display: none
			// use extend because IE9 is not allowed to change width and height in case 
			// of rotation (below)
			bBox = extend({}, this.element.getBBox());
		} catch (e) {
			bBox = { width: 0, height: 0 };
		}
		width = bBox.width;
		height = bBox.height;
			
		// adjust for rotated text
		if (rotation) {
			bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
			bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
		}
		
		return bBox;
	},
	
	/* *
	 * Manually compute width and height of rotated text from non-rotated. Shared by SVG and VML
	 * @param {Object} bBox
	 * @param {number} rotation
	 * /
	rotateBBox: function(bBox, rotation) {
		var rad = rotation * math.PI * 2 / 360, // radians
			width = bBox.width,
			height = bBox.height;
			
		
	},*/
	
	/**
	 * Show the element
	 */
	show: function () {
		return this.attr({ visibility: VISIBLE });
	},
	
	/**
	 * Hide the element
	 */
	hide: function () {
		return this.attr({ visibility: HIDDEN });
	},
	
	/**
	 * Add the element
	 * @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
	 *    to append the element to the renderer.box.
	 */ 
	add: function (parent) {
	
		var renderer = this.renderer,
			parentWrapper = parent || renderer,
			parentNode = parentWrapper.element || renderer.box,
			childNodes = parentNode.childNodes,
			element = this.element,
			zIndex = attr(element, 'zIndex'),
			otherElement,
			otherZIndex,
			i;
			
		// 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);
					return this;
				}
			}
		}
		
		// default: append at the end
		parentNode.appendChild(element);
		
		this.added = true;
		
		return this;
	},

	/**
	 * Destroy the element and element wrapper
	 */
	destroy: function () {
		var wrapper = this,
			element = wrapper.element || {},
			shadows = wrapper.shadows,
			parentNode = element.parentNode,
			key;
		
		// remove events
		element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = null;
		stop(wrapper); // stop running animations
		
		// remove element
		if (parentNode) {
			parentNode.removeChild(element);
		}
		
		// destroy shadows
		if (shadows) {
			each(shadows, function (shadow) {
				parentNode = shadow.parentNode;
				if (parentNode) { // the entire chart HTML can be overwritten
					parentNode.removeChild(shadow);
				}				
			});
		}
		
		// remove from alignObjects
		erase(wrapper.renderer.alignedObjects, wrapper);
				
		for (key in wrapper) {
			delete wrapper[key];
		}
		
		return null;
	},
	
	/**
	 * Empty a group element
	 */
	empty: function () {
		var element = this.element,
			childNodes = element.childNodes,
			i = childNodes.length;
			
		while (i--) {
			element.removeChild(childNodes[i]);
		}
	},
	
	/**
	 * Add a shadow to the element. Must be done after the element is added to the DOM
	 * @param {Boolean} apply
	 */
	shadow: function (apply, group) {
		var shadows = [],
			i,
			shadow,
			element = this.element,
			
			// compensate for inverted plot area
			transform = this.parentInverted ? '(-1,-1)' : '(1,1)';
			
		
		if (apply) {
			for (i = 1; i <= 3; i++) {
				shadow = element.cloneNode(0);
				attr(shadow, {
					'isShadow': 'true',
					'stroke': 'rgb(0, 0, 0)',
					'stroke-opacity': 0.05 * i,
					'stroke-width': 7 - 2 * i,
					'transform': 'translate' + transform,
					'fill': NONE
				});
				
				if (group) {
					group.element.appendChild(shadow);
				} else {
					element.parentNode.insertBefore(shadow, element);
				}
				
				shadows.push(shadow);
			}
			
			this.shadows = shadows;
		}
		return this;
	
	}
};

/**
 * The default SVG renderer
 */
var SVGRenderer = function () {
	this.init.apply(this, arguments);
};
SVGRenderer.prototype = {
	
	Element: SVGElement,
	
	/**
	 * Initialize the SVGRenderer
	 * @param {Object} container
	 * @param {Number} width
	 * @param {Number} height
	 * @param {Boolean} forExport
	 */
	init: function (container, width, height, forExport) {
		var renderer = this,
			loc = location,
			boxWrapper;
					
		boxWrapper = renderer.createElement('svg')
			.attr({
				xmlns: SVG_NS,
				version: '1.1'
			});
		container.appendChild(boxWrapper.element);
		
		// object properties
		renderer.box = boxWrapper.element;
		renderer.boxWrapper = boxWrapper;
		renderer.alignedObjects = [];
		renderer.url = isIE ? '' : loc.href.replace(/#.*?$/, ''); // page url used for internal references
		renderer.defs = this.createElement('defs').add();
		renderer.forExport = forExport;
		
		renderer.setSize(width, height, false);
		
	},
	
	
	/**
	 * Create a wrapper for an SVG element
	 * @param {Object} nodeName
	 */
	createElement: function (nodeName) {
		var wrapper = new this.Element();
		wrapper.init(this, nodeName);
		return wrapper;
	},
	
	
	/** 
	 * Parse a simple HTML string into SVG tspans
	 * 
	 * @param {Object} textNode The parent text SVG node
	 */
	buildText: function (wrapper) {
		var textNode = wrapper.element,
			lines = pick(wrapper.textStr, '').toString()
				.replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
				.replace(/<(i|em)>/g, '<span style="font-style:italic">')
				.replace(/<a/g, '<span')
				.replace(/<\/(b|strong|i|em|a)>/g, '</span>')
				.split(/<br.*?>/g),
			childNodes = textNode.childNodes,
			styleRegex = /style="([^"]+)"/,
			hrefRegex = /href="([^"]+)"/,
			parentX = attr(textNode, 'x'),
			textStyles = wrapper.styles,
			reverse = isFirefox && textStyles && textStyles.HcDirection === 'rtl' && 
				!this.forExport && pInt(userAgent.split('Firefox/')[1]) < 4, // issue #38
			arr,
			width = textStyles && pInt(textStyles.width),
			textLineHeight = textStyles && textStyles.lineHeight,
			lastLine,
			GET_COMPUTED_STYLE = 'getComputedStyle',
			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
		}
		
		each(lines, function (line, lineNo) {
			var spans, spanNo = 0, lineHeight;
			
			line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
			spans = line.split('|||');
			
			each(spans, function (span) {
				if (span !== '' || spans.length === 1) {
					var attributes = {},
						tspan = doc.createElementNS(SVG_NS, 'tspan');
					if (styleRegex.test(span)) {
						attr(
							tspan, 
							'style', 
							span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2')
						);
					}
					if (hrefRegex.test(span)) {
						attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
						css(tspan, { cursor: 'pointer' });
					}
					
					span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
						.replace(/&lt;/g, '<')
						.replace(/&gt;/g, '>');
					
					// issue #38 workaround.
					if (reverse) {
						arr = [];
						i = span.length;
						while (i--) {
							arr.push(span.charAt(i));
						}
						span = arr.join('');
					}
					
					// add the text node
					tspan.appendChild(doc.createTextNode(span));
					
					if (!spanNo) { // first span in a line, align it to the left
						attributes.x = parentX;
					} else {
						// Firefox ignores spaces at the front or end of the tspan
						attributes.dx = 3; // space
					}
					
					// first span on subsequent line, add the line height
					if (!spanNo) {						
						if (lineNo) {
							
							// allow getting the right offset height in exporting in IE
							if (!hasSVG && wrapper.renderer.forExport) {
								css(tspan, { display: 'block' });
							}
							
							// Webkit and opera sometimes return 'normal' as the line height. In that
							// case, webkit uses offsetHeight, while Opera falls back to 18
							lineHeight = win[GET_COMPUTED_STYLE] &&
								pInt(win[GET_COMPUTED_STYLE](lastLine, null).getPropertyValue('line-height'));
							
							if (!lineHeight || isNaN(lineHeight)) {
								lineHeight = textLineHeight || lastLine.offsetHeight || 18;
							}
							attr(tspan, 'dy', lineHeight);
						}
						lastLine = tspan; // record for use in next line						
					}
					
					// add attributes
					attr(tspan, attributes);
					
					// append it
					textNode.appendChild(tspan);
					
					spanNo++;
					
					// check width and apply soft breaks
					if (width) {
						var words = span.replace(/-/g, '- ').split(' '),
							tooLong,
							actualWidth,
							rest = [];
							
						while (words.length || rest.length) {
							actualWidth = textNode.getBBox().width;
							tooLong = actualWidth > width;
							if (!tooLong || words.length === 1) { // new line needed
								words = rest;
								rest = [];
								if (words.length) {
									tspan = doc.createElementNS(SVG_NS, 'tspan');
									attr(tspan, {
										dy: textLineHeight || 16,
										x: parentX
									});
									textNode.appendChild(tspan);
								
									if (actualWidth > width) { // a single word is pressing it out
										width = actualWidth;
									}
								}
							} else { // append to existing line tspan
								tspan.removeChild(tspan.firstChild);
								rest.unshift(words.pop());							
							}
							if (words.length) {
								tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
							}
						}
					}
				}
			});
		});
		
		
	},
	
	/**
	 * Make a straight line crisper by not spilling out to neighbour pixels
	 * @param {Array} points
	 * @param {Number} width 
	 */
	crispLine: function (points, width) {
		// points format: [M, 0, 0, L, 100, 0]
		// normalize to a crisp line
		if (points[1] === points[4]) {
			points[1] = points[4] = mathRound(points[1]) + (width % 2 / 2);
		}
		if (points[2] === points[5]) {
			points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
		}
		return points;
	},
	
	
	/**
	 * Draw a path
	 * @param {Array} path An SVG path in array form
	 */
	path: function (path) {
		return this.createElement('path').attr({ 
			d: path, 
			fill: NONE
		});
	},
	
	/**
	 * Draw and return an SVG circle
	 * @param {Number} x The x position
	 * @param {Number} y The y position
	 * @param {Number} r The radius
	 */
	circle: function (x, y, r) {
		var attr = isObject(x) ?
			x :
			{
				x: x,
				y: y,
				r: r
			};
		
		return this.createElement('circle').attr(attr);
	},
	
	/**
	 * Draw and return an arc
	 * @param {Number} x X position
	 * @param {Number} y Y position
	 * @param {Number} r Radius
	 * @param {Number} innerR Inner radius like used in donut charts
	 * @param {Number} start Starting angle
	 * @param {Number} end Ending angle
	 */
	arc: function (x, y, r, innerR, start, end) {
		// arcs are defined as symbols for the ability to set 
		// attributes in attr and animate
		
		if (isObject(x)) {
			y = x.y;
			r = x.r;
			innerR = x.innerR;
			start = x.start;
			end = x.end;
			x = x.x;
		}
		
		return this.symbol('arc', x || 0, y || 0, r || 0, {
			innerR: innerR || 0,
			start: start || 0,
			end: end || 0
		});
	},
	
	/**
	 * Draw and return a rectangle
	 * @param {Number} x Left position
	 * @param {Number} y Top position
	 * @param {Number} width
	 * @param {Number} height
	 * @param {Number} r Border corner radius
	 * @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
	 */
	rect: function (x, y, width, height, r, strokeWidth) {
		if (isObject(x)) {
			y = x.y;
			width = x.width;
			height = x.height;
			r = x.r;
			strokeWidth = x.strokeWidth;
			x = x.x;	
		}
		var wrapper = this.createElement('rect').attr({
			rx: r,
			ry: r,
			fill: NONE
		});
		
		return wrapper.attr(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) {
		return this.createElement('g').attr(
			defined(name) && { 'class': PREFIX + name }
		);
	},
	
	/**
	 * 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, radius, 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),
				radius, 
				options
			),
			
			imageRegex = /^url\((.*?)\)$/,
			imageSrc,
			imageSize;
			
		if (path) {
		
			obj = this.path(path);
			// expando properties for use in animate and attr
			extend(obj, {
				symbolName: symbol,
				x: x,
				y: y,
				r: radius
			});
			if (options) {
				extend(obj, options);
			}
			
			
		// image symbols
		} else if (imageRegex.test(symbol)) {
			
			var centerImage = function (img, size) {
				img.attr({
					width: size[0],
					height: size[1]
				}).translate(
					-mathRound(size[0] / 2),
					-mathRound(size[1] / 2)
				);
			};
			
			imageSrc = symbol.match(imageRegex)[1];
			imageSize = symbolSizes[imageSrc];
			
			// create the image synchronously, add attribs async
			obj = this.image(imageSrc)
				.attr({
					x: x,
					y: y
				});

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

				// create a dummy JavaScript image to get the width and height  
				createElement('img', {
					onload: function () {
						var img = this;
						centerImage(obj, symbolSizes[imageSrc] = [img.width, img.height]);
					},
					src: imageSrc
				});
			}
				
		// default circles
		} else {
			obj = this.circle(x, y, radius);
		}
		
		return obj;
	},
	
	/**
	 * An extendable collection of functions for defining symbol paths.
	 */
	symbols: {
		'square': function (x, y, radius) {
			var len = 0.707 * radius;
			return [
				M, x - len, y - len,
				L, x + len, y - len,
				x + len, y + len,
				x - len, y + len,
				'Z'
			];
		},
			
		'triangle': function (x, y, radius) {
			return [
				M, x, y - 1.33 * radius,
				L, x + radius, y + 0.67 * radius,
				x - radius, y + 0.67 * radius,
				'Z'
			];
		},
			
		'triangle-down': function (x, y, radius) {
			return [
				M, x, y + 1.33 * radius,
				L, x - radius, y - 0.67 * radius,
				x + radius, y - 0.67 * radius,
				'Z'
			];
		},
		'diamond': function (x, y, radius) {
			return [
				M, x, y - radius,
				L, x + radius, y,
				x, y + radius,
				x - radius, y,
				'Z'
			];
		},
		'arc': function (x, y, radius, options) {
			var start = options.start,
				end = options.end - 0.000001, // to prevent cos and sin of start and end from becoming equal on 360 arcs
				innerRadius = options.innerR,
				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,
				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,
				
				'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;
		
		return wrapper;
	},
	
	
	/**
	 * Take a color and return it if it's a string, make it a gradient if it's a
	 * gradient configuration object
	 * 
	 * @param {Object} color The color or config object
	 */
	color: function (color, elem, prop) {
		var colorObject,
			regexRgba = /^rgba/;
		if (color && color.linearGradient) {
			var renderer = this,
				strLinearGradient = 'linearGradient',
				linearGradient = color[strLinearGradient],
				id = PREFIX + idCounter++,
				gradientObject,
				stopColor,
				stopOpacity;
			gradientObject = renderer.createElement(strLinearGradient).attr({
				id: id,
				gradientUnits: 'userSpaceOnUse',
				x1: linearGradient[0],
				y1: linearGradient[1],
				x2: linearGradient[2],
				y2: linearGradient[3]
			}).add(renderer.defs);
			
			each(color.stops, function (stop) {
				if (regexRgba.test(stop[1])) {
					colorObject = Color(stop[1]);
					stopColor = colorObject.get('rgb');
					stopOpacity = colorObject.get('a');
				} else {
					stopColor = stop[1];
					stopOpacity = 1;
				}
				renderer.createElement('stop').attr({
					offset: stop[0],
					'stop-color': stopColor,
					'stop-opacity': stopOpacity
				}).add(gradientObject);
			});
			
			return 'url(' + this.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 {
			return color;
		}
		
	},
	
		
	/**
	 * Add text to the SVG object
	 * @param {String} str
	 * @param {Number} x Left position
	 * @param {Number} y Top position
	 */
	text: function (str, x, y) {
		
		// declare variables
		var defaultChartStyle = defaultOptions.chart.style,
			wrapper;
	
		x = mathRound(pick(x, 0));
		y = mathRound(pick(y, 0));
		
		wrapper = this.createElement('text')
			.attr({
				x: x,
				y: y,
				text: str	
			})
			.css({
				fontFamily: defaultChartStyle.fontFamily,
				fontSize: defaultChartStyle.fontSize
			});
			
		wrapper.x = x;
		wrapper.y = y;
		return wrapper;
	}
}; // end SVGRenderer

// general renderer
Renderer = SVGRenderer;



/* **************************************************************************** 
 *                                                                            * 
 * START OF INTERNET EXPLORER <= 8 SPECIFIC CODE                              *
 *                                                                            *
 * For applications and websites that don't need IE support, like platform    *
 * targeted mobile apps and web apps, this code can be removed.               *
 *                                                                            *
 *****************************************************************************/
var VMLRenderer;
if (!hasSVG) {

/**
 * The VML element wrapper.
 */
var VMLElement = extendClass(SVGElement, {
	
	/**
	 * 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 markup =  ['<', nodeName, ' filled="f" stroked="f"'],
			style = ['position: ', ABSOLUTE, ';'];
		
		// divs and shapes need size
		if (nodeName === 'shape' || nodeName === DIV) {
			style.push('left:0;top:0;width:10px;height:10px;');
		}
		if (docMode8) {
			style.push('visibility: ', nodeName === DIV ? HIDDEN : VISIBLE);
		}
		
		markup.push(' style="', style.join(''), '"/>');
		
		// create element with default attributes and style
		if (nodeName) {
			markup = nodeName === DIV || nodeName === 'span' || nodeName === 'img' ? 
				markup.join('')
				: renderer.prepVML(markup);
			this.element = createElement(markup);
		}
		
		this.renderer = renderer;
	},
	
	/**
	 * Add the node to the given parent
	 * @param {Object} parent
	 */
	add: function (parent) {
		var wrapper = this,
			renderer = wrapper.renderer,
			element = wrapper.element,
			box = renderer.box,
			inverted = parent && parent.inverted,
		
			// get the parent node
			parentNode = parent ? 
				parent.element || parent : 
				box;
			
			
		// if the parent group is inverted, apply inversion on all children
		if (inverted) { // only on groups
			renderer.invertChild(element, parentNode);			
		}
		
		// issue #140 workaround - related to #61 and #74
		if (docMode8 && parentNode.gVis === HIDDEN) {
			css(element, { visibility: HIDDEN });
		}
		
		// append it
		parentNode.appendChild(element);
		
		// align text after adding to be able to read offset
		wrapper.added = true;
		if (wrapper.alignOnAdd) {
			wrapper.updateTransform();
		}		
		
		return wrapper;
	},
	
	/**
	 * Get or set attributes
	 */
	attr: function (hash, val) {
		var key, 
			value, 
			i, 
			element = this.element || {},
			elemStyle = element.style,
			nodeName = element.nodeName,
			renderer = this.renderer,
			symbolName = this.symbolName,
			childNodes,
			hasSetSymbolSize,
			shadows = this.shadows,
			skipAttr,
			ret = this;
			
		// 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 = this.strokeweight;
			} else {
				ret = this[key];
			}
			
		// setter
		} else {		
			for (key in hash) {
				value = hash[key];
				skipAttr = false;
				
				// prepare paths
				// symbols
				if (symbolName && /^(x|y|r|start|end|width|height|innerR)/.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) {
						this.symbolAttr(hash);						
					
						hasSetSymbolSize = true;
					} 
					
					skipAttr = true;
					
				} else if (key === 'd') {
					value = value || [];
					this.d = value.join(' '); // used in getter for animation
					
					// convert paths 
					i = value.length;
					var convertedPath = [];
					while (i--) {					
						
						// Multiply by 10 to allow subpixel precision.
						// Substracting half a pixel seems to make the coordinates
						// align with SVG, but this hasn't been tested thoroughly
						if (isNumber(value[i])) {
							convertedPath[i] = mathRound(value[i] * 10) - 5;
						} else if (value[i] === 'Z') { // close the path
							convertedPath[i] = 'x';
						} else {
							convertedPath[i] = value[i];
						}
						
					}
					value = convertedPath.join(' ') || 'x';	
					element.path = value;
			
					// update shadows
					if (shadows) {
						i = shadows.length;
						while (i--) {
							shadows[i].path = value;
						}
					}
					skipAttr = true;
	
				// directly mapped to css
				} else if (key === 'zIndex' || key === 'visibility') {
					
					// issue 61 workaround
					if (docMode8 && key === 'visibility' && nodeName === 'DIV') {
						element.gVis = value;
						childNodes = element.childNodes;
						i = childNodes.length;
						while (i--) {
							css(childNodes[i], { visibility: value });
						}
						if (value === VISIBLE) { // issue 74
							value = null;
						}
					}
					
					if (value) {
						elemStyle[key] = value;
					}
					
					
					
					skipAttr = true;
				
				// width and height
				} else if (/^(width|height)$/.test(key)) {
					
										
					// clipping rectangle special
					if (this.updateClipping) {
						this[key] = value;
						this.updateClipping();
						
					} else {
						// normal
						elemStyle[key] = value;
					}
					
					skipAttr = true;
					
				// x and y 
				} else if (/^(x|y)$/.test(key)) {

					this[key] = value; // used in getter
					
					if (element.tagName === 'SPAN') {
						this.updateTransform();
					
					} else {
						elemStyle[{ x: 'left', y: 'top' }[key]] = value;
					}
					
				// class name
				} else if (key === 'class') {
					// IE8 Standards mode has problems retrieving the className
					element.className = value;
			
				// stroke
				} else if (key === 'stroke') {
					
					value = renderer.color(value, element, key);				
						
					key = 'strokecolor';
					
				// stroke width
				} else if (key === 'stroke-width' || key === 'strokeWidth') {
					element.stroked = value ? true : false;
					key = 'strokeweight';
					this[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';
					this.dashstyle = value; /* because changing stroke-width will change the dash length
						and cause an epileptic effect */ 
					skipAttr = true;
					
				// fill
				} else if (key === 'fill') {
					
					if (nodeName === 'SPAN') { // text color
						elemStyle.color = value;
					} else {
						element.filled = value !== NONE ? true : false;
						
						value = renderer.color(value, element, key);
						
						key = 'fillcolor';
					}
				
				// translation for animation
				} else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'align') {
					if (key === 'align') {
						key = 'textAlign';
					}
					this[key] = value;
					this.updateTransform();
					
					skipAttr = true;
				} else if (key === 'text') { // text for rotated and non-rotated elements
					this.bBox = null;
					element.innerHTML = value;
					skipAttr = true;
				} 
				
					
				// let the shadow follow the main element
				if (shadows && key === 'visibility') {
					i = shadows.length;
					while (i--) {
						shadows[i].style[key] = value;
					}
				}
				
				
				
				if (!skipAttr) {
					if (docMode8) { // IE8 setAttribute bug
						element[key] = value;
					} else {
						attr(element, key, value);
					}
				}
			}			
		}
		return ret;
	},
	
	/**
	 * Set the element's clipping to a predefined rectangle
	 * 
	 * @param {String} id The id of the clip rectangle
	 */
	clip: function (clipRect) {
		var wrapper = this,
			clipMembers = clipRect.members;
			
		clipMembers.push(wrapper);
		wrapper.destroyClip = function () {
			erase(clipMembers, wrapper);
		};
		return wrapper.css(clipRect.getCSS(wrapper.inverted));
	},
	
	/**
	 * Set styles for the element
	 * @param {Object} styles
	 */
	css: function (styles) {
		var wrapper = this,
			element = wrapper.element,
			textWidth = styles && element.tagName === 'SPAN' && styles.width;
		
		/*if (textWidth) {
			extend(styles, {
				display: 'block',
				whiteSpace: 'normal'
			});	
		}*/
		if (textWidth) {
			delete styles.width;
			wrapper.textWidth = textWidth;
			wrapper.updateTransform();	
		}
		
		wrapper.styles = extend(wrapper.styles, styles);
		css(wrapper.element, styles);
		
		return wrapper;
	},
	
	/**
	 * Extend element.destroy by removing it from the clip members array
	 */
	destroy: function () {
		var wrapper = this;
		
		if (wrapper.destroyClip) {
			wrapper.destroyClip();
		}
		
		SVGElement.prototype.destroy.apply(wrapper);
	},
	
	/**
	 * Remove all child nodes of a group, except the v:group element
	 */
	empty: function () {
		var element = this.element,
			childNodes = element.childNodes,
			i = childNodes.length,
			node;
			
		while (i--) {
			node = childNodes[i];
			node.parentNode.removeChild(node);
		}
	},
	
	/**
	 * VML override for calculating the bounding box based on offsets
	 * 
	 * @return {Object} A hash containing values for x, y, width and height
	 */
	
	getBBox: function () {
		var wrapper = this,
			element = wrapper.element,
			bBox = wrapper.bBox;
		
		if (!bBox) {
			// faking getBBox in exported SVG in legacy IE
			if (element.nodeName === 'text') {
				element.style.position = ABSOLUTE;
			}
			
			bBox = wrapper.bBox = {
				x: element.offsetLeft,
				y: element.offsetTop,
				width: element.offsetWidth,
				height: element.offsetHeight
			};
		}
		return bBox;
					
	},
	
	/**
	 * 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;
	},
	
	
	/**
	 * VML override private method to update elements based on internal 
	 * properties based on SVG transform
	 */
	updateTransform: function (hash) { 
		// aligning non added elements is expensive
		if (!this.added) {
			this.alignOnAdd = true;
			return;
		}
		
		var wrapper = this,
			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';
		
		// apply translate
		if (translateX || translateY) {
			wrapper.css({
				marginLeft: translateX,
				marginTop: translateY
			});
		}
		
		// apply inversion
		if (wrapper.inverted) { // wrapper is a group
			each(elem.childNodes, function (child) {
				wrapper.renderer.invertChild(child, elem);
			});
		}
		
		if (elem.tagName === 'SPAN') {
			
			var width, height,
				rotation = wrapper.rotation,
				lineHeight,
				radians = 0,
				costheta = 1,
				sintheta = 0,
				quad,
				textWidth = pInt(wrapper.textWidth),
				xCorr = wrapper.xCorr || 0,
				yCorr = wrapper.yCorr || 0,
				currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');
				
			if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed
				
				if (defined(rotation)) {
					radians = rotation * deg2rad; // deg to rad
					costheta = mathCos(radians);
					sintheta = mathSin(radians);				
					 
					// Adjust for alignment and rotation.
					// Test case: http://highcharts.com/tests/?file=text-rotation
					css(elem, {
						filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta, 
							', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta, 
							', sizingMethod=\'auto expand\')'].join('') : NONE
					});
				}
				
				width = elem.offsetWidth;
				height = elem.offsetHeight;
				
				// update textWidth
				if (width > textWidth) {
					css(elem, {
						width: textWidth + PX,
						display: 'block',
						whiteSpace: 'normal'
					});
					width = textWidth;
				}
				
				// correct x and y
				lineHeight = mathRound((pInt(elem.style.fontSize) || 12) * 1.2);
				xCorr = costheta < 0 && -width;
				yCorr = sintheta < 0 && -height;
				
				// correct for lineHeight and corners spilling out after rotation
				quad = costheta * sintheta < 0;
				xCorr += sintheta * lineHeight * (quad ? 1 - alignCorrection : alignCorrection);
				yCorr -= costheta * lineHeight * (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,
				top: y + yCorr
			});
			
			// record current text transform
			wrapper.cTT = currentTextTransform;
		}
	},
	
	/**
	 * Apply a drop shadow by copying elements and giving them different strokes 
	 * @param {Boolean} apply
	 */
	shadow: function (apply, group) {
		var shadows = [],
			i,
			element = this.element,
			renderer = this.renderer,
			shadow,
			elemStyle = element.style,
			markup,
			path = element.path;
			
		// some times empty paths are not strings
		if (path && typeof path.value !== 'string') {
			path = 'x';
		}
			
		if (apply) {
			for (i = 1; i <= 3; i++) {
				markup = ['<shape isShadow="true" strokeweight="', (7 - 2 * i),
					'" filled="false" path="', path,
					'" coordsize="100,100" style="', element.style.cssText, '" />'];
				shadow = createElement(renderer.prepVML(markup),
					null, {
						left: pInt(elemStyle.left) + 1,
						top: pInt(elemStyle.top) + 1
					}
				);
				
				// apply the opacity
				markup = ['<stroke color="black" opacity="', (0.05 * i), '"/>'];
				createElement(renderer.prepVML(markup), null, null, shadow);				
				
				
				// insert it
				if (group) {
					group.element.appendChild(shadow);
				} else {
					element.parentNode.insertBefore(shadow, element);
				}
				
				// record it
				shadows.push(shadow);				
				
			}
			
			this.shadows = shadows;
		}
		return this;
	
	}
});
	
/**
 * The VML renderer
 */
VMLRenderer = function () {
	this.init.apply(this, arguments);
};
VMLRenderer.prototype = merge(SVGRenderer.prototype, { // 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;

		renderer.alignedObjects = [];
		
		boxWrapper = renderer.createElement(DIV);
		container.appendChild(boxWrapper.element);
		
		
		// generate the containing box
		renderer.box = boxWrapper.element;
		renderer.boxWrapper = boxWrapper;
		
		
		renderer.setSize(width, height, false);
		
		// The only way to make IE6 and IE7 print is to use a global namespace. However,
		// with IE8 the only way to make the dynamic shapes visible in screen and print mode
		// seems to be to add the xmlns attribute and the behaviour style inline. 
		if (!doc.namespaces.hcv) {			
			
			doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');
			
			// setup default css
			doc.createStyleSheet().cssText = 
				'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
				'{ behavior:url(#default#VML); display: inline-block; } ';
			
		}	
	},
	
	/**
	 * Define a clipping rectangle. In VML it is accomplished by storing the values
	 * for setting the CSS style to all associated members.
	 * 
	 * @param {Number} x
	 * @param {Number} y
	 * @param {Number} width
	 * @param {Number} height
	 */
	clipRect: function (x, y, width, height) {
				
		// create a dummy element
		var clipRect = this.createElement();
		
		// mimic a rectangle with its style object for automatic updating in attr
		return extend(clipRect, {
			members: [],
			left: x,
			top: y,
			width: width,
			height: height,
			getCSS: function (inverted) {
				var rect = this,//clipRect.element.style,
					top = rect.top,
					left = rect.left,
					right = left + rect.width,
					bottom = top + rect.height,
					ret = {
						clip: 'rect(' + 
							mathRound(inverted ? left : top) + 'px,' + 
							mathRound(inverted ? bottom : right) + 'px,' + 
							mathRound(inverted ? right : bottom) + 'px,' + 
							mathRound(inverted ? top : left) + 'px)'
					};
					
				// issue 74 workaround
				if (!inverted && docMode8) {
					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.inverted));
				});
			}
		});
		
	},
	
	
	/**
	 * Take a color and return it if it's a string, make it a gradient if it's a
	 * gradient configuration object, and apply opacity.
	 * 
	 * @param {Object} color The color or config object
	 */
	color: function (color, elem, prop) {
		var colorObject,
			regexRgba = /^rgba/,
			markup;
			
		if (color && color.linearGradient) {
			
			var stopColor, 
				stopOpacity,
				linearGradient = color.linearGradient,
				angle,
				color1,
				opacity1,
				color2,
				opacity2;	
				
			each(color.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;
				}
				
				if (!i) { // first
					color1 = stopColor;
					opacity1 = stopOpacity;
				} else {
					color2 = stopColor;
					opacity2 = stopOpacity;
				}
			});
			
			
			
			// calculate the angle based on the linear vector
			angle = 90  - math.atan(
				(linearGradient[3] - linearGradient[1]) / // y vector
				(linearGradient[2] - linearGradient[0]) // x vector
				) * 180 / mathPI;
			
			// when colors attribute is used, the meanings of opacity and o:opacity2
			// are reversed.
			markup = ['<', prop, ' colors="0% ', color1, ',100% ', color2, '" angle="', angle,
				'" opacity="', opacity2, '" o:opacity2="', opacity1,
				'" type="gradient" focus="100%" />'];
			createElement(this.prepVML(markup), null, null, elem);
			
			
		
		// 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);
			
			return colorObject.get('rgb');
			
			
		} else {
			return color;
		}
		
	},
	
	/**
	 * 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: function (str, x, y) {
		
		var defaultChartStyle = defaultOptions.chart.style; 
			
		return this.createElement('span')
			.attr({
				text: str,
				x: mathRound(x),
				y: mathRound(y)
			})
			.css({
				whiteSpace: 'nowrap',
				fontFamily: defaultChartStyle.fontFamily,
				fontSize: defaultChartStyle.fontSize
			});
	},
	
	/**
	 * Create and return a path element
	 * @param {Array} path
	 */
	path: function (path) {
		// create the shape
		return this.createElement('shape').attr({
			// subpixel precision down to 0.1 (width and height = 10px)
			coordsize: '100 100',
			d: path
		});
	},
	
	/**
	 * Create and return a circle element. In VML circles are implemented as
	 * shapes, which is faster than v:oval
	 * @param {Number} x
	 * @param {Number} y
	 * @param {Number} r
	 */
	circle: function (x, y, r) {
		return this.symbol('circle').attr({ x: x, y: y, r: r});
	},
	
	/**
	 * Create a group using an outer div and an inner v:group to allow rotating 
	 * and flipping. A simple v:group would have problems with positioning
	 * child HTML elements and CSS clip.
	 * 
	 * @param {String} name The name of the group
	 */
	g: function (name) {
		var wrapper,
			attribs;
		
		// set the class name	
		if (name) {
			attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
		}
		
		// the div to hold HTML and clipping	
		wrapper = this.createElement(DIV).attr(attribs);
		
		return wrapper;
	},
	
	/**
	 * VML override to create a regular HTML image
	 * @param {String} src
	 * @param {Number} x
	 * @param {Number} y
	 * @param {Number} width
	 * @param {Number} height
	 */
	image: function (src, x, y, width, height) {
		var obj = this.createElement('img')
			.attr({ src: src });
			
		if (arguments.length > 1) {
			obj.css({
				left: x,
				top: y,
				width: width,
				height: height
			});
		}
		return obj;
	},
	
	/**
	 * VML uses a shape for rect to overcome bugs and rotation problems
	 */
	rect: function (x, y, width, height, r, strokeWidth) {
		
		if (isObject(x)) {
			y = x.y;
			width = x.width;
			height = x.height;
			r = x.r;
			strokeWidth = x.strokeWidth;
			x = x.x;
		}
		var wrapper = this.symbol('rect');
		wrapper.r = r;
		
		return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0)));
	},
	
	/**
	 * In the VML renderer, each child of an inverted div (group) is inverted
	 * @param {Object} element
	 * @param {Object} parentNode
	 */
	invertChild: function (element, parentNode) {
		var parentStyle = parentNode.style;
			
		css(element, { 
			flip: 'x',
			left: pInt(parentStyle.width) - 10,
			top: pInt(parentStyle.height) - 10,
			rotation: -90
		});
	},
	
	/**
	 * Symbol definitions that override the parent SVG renderer's symbols
	 * 
	 */
	symbols: {
		// VML specific arc function
		arc: function (x, y, radius, options) {
			var start = options.start,
				end = options.end,
				cosStart = mathCos(start),
				sinStart = mathSin(start),
				cosEnd = mathCos(end),
				sinEnd = mathSin(end),
				innerRadius = options.innerR,
				circleCorrection = 0.07 / radius,
				innerCorrection = (innerRadius && 0.1 / innerRadius) || 0;
				
			if (end - start === 0) { // no angle, don't show it. 
				return ['x'];
				
			//} else if (end - start == 2 * mathPI) { // full circle
			} else if (2 * mathPI - end + start < circleCorrection) { // full circle
				// empirical correction found by trying out the limits for different radii
				cosEnd = -circleCorrection;
			} else if (end - start < innerCorrection) { // issue #186, another mysterious VML arc problem
				cosEnd = mathCos(start + innerCorrection);
			}
								
			return [
				'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
				
				
				'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
			];
			
		},
		// Add circle symbol path. This performs significantly faster than v:oval.
		circle: function (x, y, r) {
			return [
				'wa', // clockwisearcto
				x - r, // left
				y - r, // top
				x + r, // right
				y + r, // bottom
				x + r, // start x
				y,     // start y
				x + r, // end x
				y,     // 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, r, options) {
			if (!defined(options)) {
				return [];
			}
			var width = options.width,
				height = options.height,
				right = left + width,
				bottom = top + height;
		
			r = mathMin(r, width, height);
			
			return [
				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'
			];
				
		}
	}
});

// general renderer
Renderer = VMLRenderer;
}
/* **************************************************************************** 
 *                                                                            * 
 * END OF INTERNET EXPLORER <= 8 SPECIFIC CODE                                *
 *                                                                            *
 *****************************************************************************/
	

/**
 * The chart class
 * @param {Object} options
 * @param {Function} callback Function to run when the chart has loaded
 */
function Chart(options, callback) {
	
	defaultXAxisOptions = merge(defaultXAxisOptions, defaultOptions.xAxis);
	defaultYAxisOptions = merge(defaultYAxisOptions, defaultOptions.yAxis);
	defaultOptions.xAxis = defaultOptions.yAxis = null;
		
	// Handle regular options
	options = merge(defaultOptions, options);
	
	// Define chart variables
	var optionsChart = options.chart,
		optionsMargin = optionsChart.margin,
		margin = isObject(optionsMargin) ?
			optionsMargin : 
			[optionsMargin, optionsMargin, optionsMargin, optionsMargin],
		optionsMarginTop = pick(optionsChart.marginTop, margin[0]),
		optionsMarginRight = pick(optionsChart.marginRight, margin[1]),
		optionsMarginBottom = pick(optionsChart.marginBottom, margin[2]),
		optionsMarginLeft = pick(optionsChart.marginLeft, margin[3]),
		spacingTop = optionsChart.spacingTop,
		spacingRight = optionsChart.spacingRight,
		spacingBottom = optionsChart.spacingBottom,
		spacingLeft = optionsChart.spacingLeft,
		spacingBox, 
		chartTitleOptions,
		chartSubtitleOptions,
		plotTop,
		marginRight,
		marginBottom,
		plotLeft,
		axisOffset,
		renderTo,
		renderToClone,
		container,
		containerId,
		containerWidth,
		containerHeight,
		chartWidth,
		chartHeight,
		oldChartWidth,
		oldChartHeight,
		chartBackground,
		plotBackground,
		plotBGImage,
		plotBorder,
		chart = this,
		chartEvents = optionsChart.events,
		runChartClick = chartEvents && !!chartEvents.click,
		eventType,
		isInsidePlot, // function
		tooltip,
		tooltipTimer,
		mouseIsDown,
		loadingDiv,
		loadingSpan,
		loadingShown,
		plotHeight,
		plotWidth,
		tracker,
		trackerGroup,
		placeTrackerGroup,
		legend,
		legendWidth,
		legendHeight,
		chartPosition,// = getPosition(container),
		hasCartesianSeries = optionsChart.showAxes,
		isResizing = 0,
		axes = [],
		maxTicks, // handle the greatest amount of ticks on grouped axes
		series = [], 
		inverted,
		renderer,
		tooltipTick,
		tooltipInterval,
		hoverX,
		drawChartBox, // function
		getMargins, // function
		resetMargins, // function
		setChartSize, // function
		resize,
		zoom, // function
		zoomOut; // function
		

	/**
	 * Create a new axis object
	 * @param {Object} chart
	 * @param {Object} options
	 */
	function Axis(chart, options) {

		// Define variables
		var isXAxis = options.isX,
			opposite = options.opposite, // needed in setOptions			
			horiz = inverted ? !isXAxis : isXAxis,
			side = horiz ? 
				(opposite ? 0 : 2) : // top : bottom 
				(opposite ? 1 : 3),  // right : left
			stacks = {};
			
	
		options = merge(
				isXAxis ? defaultXAxisOptions : defaultYAxisOptions,
				[defaultTopAxisOptions, defaultRightAxisOptions, 
					defaultBottomAxisOptions, defaultLeftAxisOptions][side],
				options
			);
	
		var axis = this,
			type = options.type,
			isDatetimeAxis = type === 'datetime',
			isLog = type === 'logarithmic',
			offset = options.offset || 0,
			xOrY = isXAxis ? 'x' : 'y',
			axisLength,
			transA, // translation factor
			oldTransA, // used for prerendering
			transB = horiz ? plotLeft : marginBottom, // translation addend
			translate, // fn
			getPlotLinePath, // fn
			axisGroup,
			gridGroup,
			axisLine,
			dataMin,
			dataMax,
			associatedSeries,
			userMin,
			userMax,
			max = null,
			min = null,
			oldMin,
			oldMax,
			minPadding = options.minPadding,
			maxPadding = options.maxPadding,
			isLinked = defined(options.linkedTo),
			ignoreMinPadding, // can be set to true by a column or bar series
			ignoreMaxPadding,
			usePercentage,
			events = options.events,
			eventType,
			plotLinesAndBands = [],
			tickInterval,
			minorTickInterval,
			magnitude,
			tickPositions, // array containing predefined positions
			ticks = {},
			minorTicks = {},
			alternateBands = {},
			tickAmount,
			labelOffset,
			axisTitleMargin,// = options.title.margin,
			dateTimeLabelFormat,
			categories = options.categories,
			labelFormatter = options.labels.formatter ||  // can be overwritten by dynamic format
				function () {
					var value = this.value, 
						ret;
					
					if (dateTimeLabelFormat) { // datetime axis
						ret = dateFormat(dateTimeLabelFormat, value);
						
					} else if (tickInterval % 1000000 === 0) { // use M abbreviation
						ret = (value / 1000000) + 'M';
						
					} else if (tickInterval % 1000 === 0) { // use k abbreviation
						ret = (value / 1000) + 'k';
						
					} else if (!categories && value >= 1000) { // add thousands separators
						ret = numberFormat(value, 0);
					
					} else { // strings (categories) and small numbers
						ret = value;
					}
					return ret;
				},
				
			staggerLines = horiz && options.labels.staggerLines,
			reversed = options.reversed,
			tickmarkOffset = (categories && options.tickmarkPlacement === 'between') ? 0.5 : 0;		

		/**
		 * The Tick class
		 */
		function Tick(pos, minor) {
			var tick = this;
			tick.pos = pos;
			tick.minor = minor;
			tick.isNew = true;				
			
			if (!minor) {
				tick.addLabel();
			}
		}
		Tick.prototype = {
			/**
			 * Write the tick label
			 */
			addLabel: function () {
				var pos = this.pos,
					labelOptions = options.labels,
					str,
					withLabel = !((pos === min && !pick(options.showFirstLabel, 1)) ||
						(pos === max && !pick(options.showLastLabel, 0))),
					width = (categories && horiz && categories.length && 
						!labelOptions.step && !labelOptions.staggerLines &&
						!labelOptions.rotation &&
						plotWidth / categories.length) ||
						(!horiz && plotWidth / 2),
					css,
					label = this.label;
					
				
				// get the string
				str = labelFormatter.call({
						isFirst: pos === tickPositions[0],
						isLast: pos === tickPositions[tickPositions.length - 1],
						dateTimeLabelFormat: dateTimeLabelFormat,
						value: (categories && categories[pos] ? categories[pos] : pos)
					});
				
				
				// prepare CSS
				css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
				css = extend(css, labelOptions.style);
				
				// first call
				if (label === UNDEFINED) {
					this.label =  
						defined(str) && withLabel && labelOptions.enabled ?
							renderer.text(
									str,
									0,
									0
								)
								.attr({
									align: labelOptions.align,
									rotation: labelOptions.rotation
								})
								// without position absolute, IE export sometimes is wrong
								.css(css)
								.add(axisGroup) :
							null;
							
				// update
				} else if (label) {
					label.attr({ text: str })
						.css(css);
				}
			},
			/**
			 * Get the offset height or width of the label
			 */
			getLabelSize: function () {
				var label = this.label;
				return label ? 
					((this.labelBBox = label.getBBox()))[horiz ? 'height' : 'width'] :
					0;
				},
			/**
			 * Put everything in place
			 * 
			 * @param index {Number}
			 * @param old {Boolean} Use old coordinates to prepare an animation into new position
			 */
			render: function (index, old) {
				var tick = this,
					major = !tick.minor,
					label = tick.label,
					pos = tick.pos,
					labelOptions = options.labels,
					gridLine = tick.gridLine,
					gridLineWidth = major ? options.gridLineWidth : options.minorGridLineWidth,
					gridLineColor = major ? options.gridLineColor : options.minorGridLineColor,
					dashStyle = major ? 
						options.gridLineDashStyle : 
						options.minorGridLineDashStyle,
					gridLinePath,
					mark = tick.mark,
					markPath,
					tickLength = major ? options.tickLength : options.minorTickLength,
					tickWidth = major ? options.tickWidth : (options.minorTickWidth || 0),
					tickColor = major ? options.tickColor : options.minorTickColor,
					tickPosition = major ? options.tickPosition : options.minorTickPosition,
					step = labelOptions.step,
					cHeight = (old && oldChartHeight) || chartHeight,
					attribs,
					x,
					y;
					
				// get x and y position for ticks and labels
				x = horiz ? 
					translate(pos + tickmarkOffset, null, null, old) + transB : 
					plotLeft + offset + (opposite ? ((old && oldChartWidth) || chartWidth) - marginRight - plotLeft : 0);
					
				y = horiz ?
					cHeight - marginBottom + offset - (opposite ? plotHeight : 0) :
					cHeight - translate(pos + tickmarkOffset, null, null, old) - transB;
					
				// create the grid line
				if (gridLineWidth) {
					gridLinePath = getPlotLinePath(pos + tickmarkOffset, gridLineWidth, old);
					
					if (gridLine === UNDEFINED) {
						attribs = {
							stroke: gridLineColor,
							'stroke-width': gridLineWidth
						};
						if (dashStyle) {
							attribs.dashstyle = dashStyle;
						}
						tick.gridLine = gridLine =
							gridLineWidth ?
								renderer.path(gridLinePath)
									.attr(attribs).add(gridGroup) :
								null;
					} 
					if (gridLine && gridLinePath) {
						gridLine.animate({
							d: gridLinePath
						});
					}
				}
				
				// create the tick mark
				if (tickWidth) {
					
					// negate the length
					if (tickPosition === 'inside') {
						tickLength = -tickLength;
					}
					if (opposite) {
						tickLength = -tickLength;
					}
			
					markPath = renderer.crispLine([
						M, 
						x, 
						y, 
						L, 
						x + (horiz ? 0 : -tickLength), 
						y + (horiz ? tickLength : 0)
					], tickWidth);
					
					if (mark) { // updating
						mark.animate({
							d: markPath
						});
					} else { // first time
						tick.mark = renderer.path(
							markPath
						).attr({
							stroke: tickColor,
							'stroke-width': tickWidth
						}).add(axisGroup);
					}
				}
				
				// the label is created on init - now move it into place
				if (label && !isNaN(x)) {
					x = x + labelOptions.x - (tickmarkOffset && horiz ? 
						tickmarkOffset * transA * (reversed ? -1 : 1) : 0); 
					y = y + labelOptions.y - (tickmarkOffset && !horiz ? 
						tickmarkOffset * transA * (reversed ? 1 : -1) : 0);
						
					// vertically centered
					if (!defined(labelOptions.y)) {
						y += pInt(label.styles.lineHeight) * 0.9 - label.getBBox().height / 2;
					}
					
						
					// correct for staggered labels
					if (staggerLines) {
						y += (index / (step || 1) % staggerLines) * 16;
					}
					// apply step
					if (step) {
						// show those indices dividable by step 
						label[index % step ? 'hide' : 'show']();
					}
					
					label[tick.isNew ? 'attr' : 'animate']({
						x: x,
						y: y
					});
				}
				
				tick.isNew = false;
			},
			/**
			 * Destructor for the tick prototype
			 */
			destroy: function () {
				var tick = this,
					n;
				for (n in tick) {
					if (tick[n] && tick[n].destroy) {
						tick[n].destroy();
					}
				}
			}
		};
		
		/**
		 * The object wrapper for plot lines and plot bands
		 * @param {Object} options
		 */
		function PlotLineOrBand(options) {
			var plotLine = this;
			if (options) {
				plotLine.options = options;
				plotLine.id = options.id;
			}
			
			//plotLine.render()
			return plotLine;
		}
		
		PlotLineOrBand.prototype = {

		/**
		 * Render the plot line or plot band. If it is already existing,
		 * move it.
		 */
		render: function () {
			var plotLine = this,
				options = plotLine.options,
				optionsLabel = options.label,
				label = plotLine.label,
				width = options.width,
				to = options.to,
				toPath, // bands only
				from = options.from,
				dashStyle = options.dashStyle,
				svgElem = plotLine.svgElem,
				path = [],
				addEvent,
				eventType,
				xs,
				ys,
				x,
				y,
				color = options.color,
				zIndex = options.zIndex,
				events = options.events,
				attribs;
			
			// plot line
			if (width) {
				path = getPlotLinePath(options.value, width);
				attribs = {
					stroke: color,
					'stroke-width': width
				};
				if (dashStyle) {
					attribs.dashstyle = dashStyle;
				}
			} else if (defined(from) && defined(to)) { // plot band
				// keep within plot area
				from = mathMax(from, min);
				to = mathMin(to, max);
			
				toPath = getPlotLinePath(to);
				path = getPlotLinePath(from);
				if (path && toPath) {
					path.push(
						toPath[4],
						toPath[5],
						toPath[1],
						toPath[2]
					);
				} else { // outside the axis area
					path = null;
				}
				attribs = {
					fill: color
				};
			} 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 && plotWidth > 0 && plotHeight > 0) {
				// apply defaults
				optionsLabel = merge({
					align: horiz && toPath && 'center',
					x: horiz ? !toPath && 4 : 10,
					verticalAlign : !horiz && toPath && 'middle',
					y: horiz ? toPath ? 16 : 10 : toPath ? 6 : -4,
					rotation: horiz && !toPath && 90
				}, optionsLabel);
				
				// add the SVG element
				if (!label) {
					plotLine.label = label = renderer.text(
							optionsLabel.text,
							0,
							0
						)
						.attr({
							align: optionsLabel.textAlign || optionsLabel.align,
							rotation: optionsLabel.rotation,
							zIndex: zIndex
						})
						.css(optionsLabel.style)
						.add();
				}
				
				// get the bounding box and align the label
				xs = [path[1], path[4], pick(path[6], path[1])];
				ys = [path[2], path[5], pick(path[7], path[2])];
				x = mathMin.apply(math, xs);
				y = mathMin.apply(math, ys);
				
				label.align(optionsLabel, false, {
					x: x,
					y: y,
					width: mathMax.apply(math, xs) - x,
					height: mathMax.apply(math, ys) - y
				});
				label.show();
				
			} else if (label) { // move out of sight
				label.hide();
			}
			
			// chainable
			return plotLine;
		},
		
		/**
		 * Remove the plot line or band
		 */
		destroy: function () {
			var obj = this,
				n;
				
			for (n in obj) {
				if (obj[n] && obj[n].destroy) {
					obj[n].destroy(); // destroy SVG wrappers
				}
				delete obj[n];
			}
			// remove it from the lookup
			erase(plotLinesAndBands, obj);
		}
		};
		
		/**
		 * The class for stack items
		 */
		function StackItem(options, isNegative, x) {
			var stackItem = this;
		
			// Tells if the stack is negative 
			stackItem.isNegative = isNegative;
			
			// Save the options to be able to style the label
			stackItem.options = options;
			
			// Save the x value to be able to position the label later
			stackItem.x = x;
			
			// 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.
			stackItem.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)
			};
			
			stackItem.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
		}
		
		StackItem.prototype = {
			/**
			 * Sets the total of this stack. Should be called when a serie is hidden or shown
			 * since that will affect the total of other stacks.
			 */
			setTotal: function (total) {
				this.total = total;
				this.cum = total;
			},

			/**
			 * Renders the stack total label and adds it to the stack label group.
			 */
			render: function (group) {
				var stackItem = this,									// aliased this
					str = stackItem.options.formatter.call(stackItem);	// 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 (stackItem.label) {
					stackItem.label.attr({text: str, visibility: HIDDEN});
				// Create new label
				} else {
					stackItem.label =
						chart.renderer.text(str, 0, 0)				// dummy positions, actual position updated with setOffset method in columnseries
							.css(stackItem.options.style)			// apply style
							.attr({align: stackItem.textAlign,			// fix the text-anchor
								rotation: stackItem.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,										// aliased this
					neg = stackItem.isNegative,								// special treatment is needed for negative stacks
					y = axis.translate(stackItem.total),					// stack value translated mapped to chart coordinates
					yZero = axis.translate(0),								// stack origin
					h = mathAbs(y - yZero),									// stack height
					x = chart.xAxis[0].translate(stackItem.x) + xOffset,	// stack x position
					plotHeight = chart.plotHeight,
					stackBox = {	// this is the box for the complete stack
							x: inverted ? (neg ? y : y - h) : x,
							y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
							width: inverted ? h : xWidth,
							height: inverted ? xWidth : h
					};
				
				if (stackItem.label) {
					stackItem.label
						.align(stackItem.alignOptions, null, stackBox)	// align the label to the box
						.attr({visibility: VISIBLE});					// set visibility
				}
			}
		};
		
		/**
		 * Get the minimum and maximum for the series of each axis 
		 */
		function getSeriesExtremes() {
			var posStack = [],
				negStack = [],
				run;
				
			// reset dataMin and dataMax in case we're redrawing
			dataMin = dataMax = null;
			
			// get an overview of what series are associated with this axis
			associatedSeries = [];
			
			each(series, function (serie) {
				run = false;
				
				
				// match this axis against the series' given or implicated axis
				each(['xAxis', 'yAxis'], function (strAxis) {
					if (
						// the series is a cartesian type, and...
						serie.isCartesian &&
						// we're in the right x or y dimension, and...
						((strAxis === 'xAxis' && isXAxis) || (strAxis === 'yAxis' && !isXAxis)) && (
							// the axis number is given in the options and matches this axis index, or
							(serie.options[strAxis] === options.index) || 
							// the axis index is not given
							(serie.options[strAxis] === UNDEFINED && options.index === 0)
						)
					) {
						serie[strAxis] = axis;
						associatedSeries.push(serie);
						
						// the series is visible, run the min/max detection
						run = true;		
					}
				});
				// ignore hidden series if opted 
				if (!serie.visible && optionsChart.ignoreHiddenSeries) {
					run = false;
				}				
				
				if (run) {
					
					var stacking,
						posPointStack,
						negPointStack,
						stackKey,
						negKey;
		
					if (!isXAxis) {
						stacking = serie.options.stacking;
						usePercentage = stacking === 'percent';
	
						// create a stack for this particular series type
						if (stacking) {
							stackKey = serie.type + pick(serie.options.stack, '');
							negKey = '-' + stackKey;
							serie.stackKey = stackKey; // used in translate
									
							posPointStack = posStack[stackKey] || []; // contains the total values for each x
							posStack[stackKey] = posPointStack;
							
							negPointStack = negStack[negKey] || [];
							negStack[negKey] = negPointStack;
						}
						if (usePercentage) {
							dataMin = 0;
							dataMax = 99;			
						}
					} 
					if (serie.isCartesian) { // line, column etc. need axes, pie doesn't
						each(serie.data, function (point, i) {
							var pointX = point.x,
								pointY = point.y,
								isNegative = pointY < 0, 
								pointStack = isNegative ? negPointStack : posPointStack,
								key = isNegative ? negKey : stackKey,
								totalPos,
								pointLow;
							
							// initial values
							if (dataMin === null) {

								// start out with the first point
								dataMin = dataMax = point[xOrY]; 
							}
		
							// x axis
							if (isXAxis) {
								if (pointX > dataMax) {
									dataMax = pointX;
								} else if (pointX < dataMin) {
									dataMin = pointX;
								}
							} else if (defined(pointY)) { // y axis
								if (stacking) {
									pointStack[pointX] = 
										defined(pointStack[pointX]) ? 
										pointStack[pointX] + pointY : pointY;
								}
								totalPos = pointStack ? pointStack[pointX] : pointY;
								pointLow = pick(point.low, totalPos);
								if (!usePercentage) {
									if (totalPos > dataMax) {
										dataMax = totalPos;
									} else if (pointLow < dataMin) {
										dataMin = pointLow;
									}
								}
								if (stacking) {		
									// add the series
									if (!stacks[key]) {
										stacks[key] = {};
									}
									
									// If the StackItem is there, just update the values,
									// if not, create one first
									if (!stacks[key][pointX]) {
										stacks[key][pointX] = new StackItem(options.stackLabels, isNegative, pointX);
									}
									stacks[key][pointX].setTotal(totalPos);
								}
							}
						});
						
							
						// For column, areas and bars, set the minimum automatically to zero
						// and prevent that minPadding is added in setScale
						if (/(area|column|bar)/.test(serie.type) && !isXAxis) {
							var threshold = 0; // use series.options.threshold?
							if (dataMin >= threshold) {
								dataMin = threshold;
								ignoreMinPadding = true;
							} else if (dataMax < threshold) {
								dataMax = threshold;
								ignoreMaxPadding = true;
							}
						}
					}
				}
			});
			
		}
	
		/**
		 * Translate from axis value to pixel position on the chart, or back
		 * 
		 */
		translate = function (val, backwards, cvsCoord, old, handleLog) {
			var sign = 1,
				cvsOffset = 0,
				localA = old ? oldTransA : transA,
				localMin = old ? oldMin : min,
				returnValue;
				
			if (!localA) {
				localA = transA;
			}
				
			if (cvsCoord) {
				sign *= -1; // canvas coordinates inverts the value
				cvsOffset = axisLength;
			}
			if (reversed) { // reversed axis
				sign *= -1; 
				cvsOffset -= sign * axisLength;
			}
			
			if (backwards) { // reverse translation
				if (reversed) {
					val = axisLength - val;
				}
				returnValue = val / localA + localMin; // from chart pixel to value	
				if (isLog && handleLog) {
					returnValue = lin2log(returnValue);
				}			
			
			} else { // normal translation
				if (isLog && handleLog) {
					val = log2lin(val);
				}
				returnValue = sign * (val - localMin) * localA + cvsOffset; // from value to chart pixel
			}
			
			return returnValue;
		};
		
		/**
		 * Create the path for a plot line that goes from the given value on 
		 * this axis, across the plot to the opposite side
		 * @param {Number} value
		 * @param {Number} lineWidth Used for calculation crisp line
		 * @param {Number] old Use old coordinates (for resizing and rescaling)
		 */
		getPlotLinePath = function (value, lineWidth, old) {
			var x1, 
				y1, 
				x2, 
				y2,
				translatedValue = translate(value, null, null, old),
				cHeight = (old && oldChartHeight) || chartHeight,
				cWidth = (old && oldChartWidth) || chartWidth,
				skip;
				
			x1 = x2 = mathRound(translatedValue + transB);
			y1 = y2 = mathRound(cHeight - translatedValue - transB);
			
			if (isNaN(translatedValue)) { // no min or max
				skip = true;
			
			} else if (horiz) { 
				y1 = plotTop;
				y2 = cHeight - marginBottom;
				if (x1 < plotLeft || x1 > plotLeft + plotWidth) {
					skip = true;
				}
			} else {
				x1 = plotLeft;
				x2 = cWidth - marginRight;
				if (y1 < plotTop || y1 > plotTop + plotHeight) {
					skip = true;
				}
			}
			return skip ? 
				null : 
				renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 0);
		};
		
		
		/**
		 * Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
		 * @param {Number} interval
		 */
		function normalizeTickInterval(interval, multiples) {
			var normalized, i;
				
			// round to a tenfold of 1, 2, 2.5 or 5
			magnitude = multiples ? 1 : math.pow(10, mathFloor(math.log(interval) / math.LN10));
			normalized = interval / magnitude;
			
			// multiples for a linear scale
			if (!multiples) {
				multiples = [1, 2, 2.5, 5, 10];
				//multiples = [1, 2, 2.5, 4, 5, 7.5, 10];
				
				// the allowDecimals option
				if (options.allowDecimals === false || isLog) {
					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;
		}
	
		/**
		 * Set the tick positions to a time unit that makes sense, for example
		 * on the first of each month or on every Monday.
		 */
		function setDateTimeTickPositions() {
			tickPositions = [];
			var i,
				useUTC = defaultOptions.global.useUTC,
				oneSecond = 1000 / timeFactor,
				oneMinute = 60000 / timeFactor,
				oneHour = 3600000 / timeFactor,
				oneDay = 24 * 3600000 / timeFactor,
				oneWeek = 7 * 24 * 3600000 / timeFactor,
				oneMonth = 30 * 24 * 3600000 / timeFactor,
				oneYear = 31556952000 / timeFactor,
			
				units = [[
					'second',						// unit name
					oneSecond,						// fixed incremental unit
					[1, 2, 5, 10, 15, 30]			// allowed multiples
				], [
					'minute',						// unit name
					oneMinute,						// fixed incremental unit
					[1, 2, 5, 10, 15, 30]			// allowed multiples
				], [
					'hour',							// unit name
					oneHour,						// fixed incremental unit
					[1, 2, 3, 4, 6, 8, 12]			// allowed multiples
				], [
					'day',							// unit name
					oneDay,							// fixed incremental unit
					[1, 2]							// allowed multiples
				], [
					'week',							// unit name
					oneWeek,						// fixed incremental unit
					[1, 2]							// allowed multiples
				], [
					'month',
					oneMonth,
					[1, 2, 3, 4, 6]
				], [
					'year',
					oneYear,
					null
				]],
			
				unit = units[6], // default unit is years
				interval = unit[1], 
				multiples = unit[2];
			
			// loop through the units to find the one that best fits the tickInterval
			for (i = 0; i < units.length; i++) {
				unit = units[i];
				interval = unit[1];
				multiples = unit[2];
				
				
				if (units[i + 1]) {
					// lessThan is in the middle between the highest multiple and the next unit.
					var lessThan = (interval * multiples[multiples.length - 1] + 
								units[i + 1][1]) / 2;
							
					// break and keep the current unit
					if (tickInterval <= lessThan) {
						break;
					}
				}
			}
			
			// prevent 2.5 years intervals, though 25, 250 etc. are allowed
			if (interval === oneYear && tickInterval < 5 * interval) {
				multiples = [1, 2, 5];
			}
	
			// get the minimum value by flooring the date
			var multitude = normalizeTickInterval(tickInterval / interval, multiples),
				minYear, // used in months and years as a basis for Date.UTC()
				minDate = new Date(min * timeFactor);
				
			minDate.setMilliseconds(0);
			
			if (interval >= oneSecond) { // second
				minDate.setSeconds(interval >= oneMinute ? 0 :
					multitude * mathFloor(minDate.getSeconds() / multitude));
			}
	
			if (interval >= oneMinute) { // minute
				minDate[setMinutes](interval >= oneHour ? 0 :
					multitude * mathFloor(minDate[getMinutes]() / multitude));
			}
	
			if (interval >= oneHour) { // hour
				minDate[setHours](interval >= oneDay ? 0 :
					multitude * mathFloor(minDate[getHours]() / multitude));
			}
	
			if (interval >= oneDay) { // day
				minDate[setDate](interval >= oneMonth ? 1 :
					multitude * mathFloor(minDate[getDate]() / multitude));
			}
					
			if (interval >= oneMonth) { // month
				minDate[setMonth](interval >= oneYear ? 0 :
					multitude * mathFloor(minDate[getMonth]() / multitude));
				minYear = minDate[getFullYear]();
			}
			
			if (interval >= oneYear) { // year
				minYear -= minYear % multitude;
				minDate[setFullYear](minYear);
			}
			
			// week is a special case that runs outside the hierarchy
			if (interval === oneWeek) {
				// get start of current week, independent of multitude
				minDate[setDate](minDate[getDate]() - minDate[getDay]() + 
					options.startOfWeek);
			}
			
			
			// get tick positions
			i = 1; // prevent crash just in case
			minYear = minDate[getFullYear]();
			var time = minDate.getTime() / timeFactor,
				minMonth = minDate[getMonth](),
				minDateDate = minDate[getDate]();
				
			// iterate and add tick positions at appropriate values
			while (time < max && i < plotWidth) {
				tickPositions.push(time);
				
				// if the interval is years, use Date.UTC to increase years
				if (interval === oneYear) {
					time = makeTime(minYear + i * multitude, 0) / timeFactor;
				
				// if the interval is months, use Date.UTC to increase months
				} else if (interval === oneMonth) {
					time = makeTime(minYear, minMonth + i * multitude) / timeFactor;
					
				// if we're using global time, the interval is not fixed as it jumps
				// one hour at the DST crossover
				} else if (!useUTC && (interval === oneDay || interval === oneWeek)) {
					time = makeTime(minYear, minMonth, minDateDate + 
						i * multitude * (interval === oneDay ? 1 : 7));
					
				// else, the interval is fixed and we use simple addition
				} else {
					time += interval * multitude;
				}
				
				i++;
			}
			// push the last time
			tickPositions.push(time);
			
			
			// dynamic label formatter 
			dateTimeLabelFormat = options.dateTimeLabelFormats[unit[0]];
		}
			
		/**
		 * Fix JS round off float errors
		 * @param {Number} num
		 */
		function correctFloat(num) {
			var invMag, ret = num;
			magnitude = pick(magnitude, math.pow(10, mathFloor(math.log(tickInterval) / math.LN10)));
			
			if (magnitude < 1) {
				invMag = mathRound(1 / magnitude)  * 10;
				ret = mathRound(num * invMag) / invMag;
			}
			return ret;
		}
				
		/**
		 * Set the tick positions of a linear axis to round values like whole tens or every five.
		 */
		function setLinearTickPositions() {
			
			var i,
				roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
				roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval);
				
			tickPositions = [];
			
			// populate the intermediate values
			i = correctFloat(roundedMin);
			while (i <= roundedMax) {
				tickPositions.push(i);
				i = correctFloat(i + tickInterval);
			}
			
		}
		
		/**
		 * Set the tick positions to round values and optionally extend the extremes
		 * to the nearest tick
		 */
		function setTickPositions(secondPass) {
			var length,
				catPad,
				linkedParent,
				linkedParentExtremes,
				tickIntervalOption = options.tickInterval,
				tickPixelIntervalOption = options.tickPixelInterval,
				maxZoom = options.maxZoom || (
					isXAxis && !defined(options.min) && !defined(options.max) ? 
						mathMin(chart.smallestInterval * 5, dataMax - dataMin) : 
						null					
				),
				zoomOffset;
				
			
			axisLength = horiz ? plotWidth : plotHeight;
			
			// linked axis gets the extremes from the parent axis
			if (isLinked) {
				linkedParent = chart[isXAxis ? 'xAxis' : 'yAxis'][options.linkedTo];
				linkedParentExtremes = linkedParent.getExtremes();
				min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
				max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
			} else { // initial min and max from the extreme data values
				min = pick(userMin, options.min, dataMin);
				max = pick(userMax, options.max, dataMax);
			}
			
			if (isLog) {
				min = log2lin(min);
				max = log2lin(max);
			}
			
			// maxZoom exceeded, just center the selection
			if (max - min < maxZoom) { 
				zoomOffset = (maxZoom - max + min) / 2;
				// if min and max options have been set, don't go beyond it
				min = mathMax(min - zoomOffset, pick(options.min, min - zoomOffset), dataMin);
				max = mathMin(min + maxZoom, pick(options.max, min + maxZoom), dataMax);
			}
				
			// pad the values to get clear of the chart's edges
			if (!categories && !usePercentage && !isLinked && defined(min) && defined(max)) {
				length = (max - min) || 1;
				if (!defined(options.min) && !defined(userMin) && minPadding && (dataMin < 0 || !ignoreMinPadding)) { 
					min -= length * minPadding; 
				}
				if (!defined(options.max) && !defined(userMax)  && maxPadding && (dataMax > 0 || !ignoreMaxPadding)) { 
					max += length * maxPadding;
				}
			}

			// get tickInterval
			if (min === max) {
				tickInterval = 1;
			} else if (isLinked && !tickIntervalOption &&
					tickPixelIntervalOption === linkedParent.options.tickPixelInterval) {
				tickInterval = linkedParent.tickInterval;
			} else {
				tickInterval = pick(
					tickIntervalOption,
					categories ? // for categoried axis, 1 is default, for linear axis use tickPix 
						1 : 
						(max - min) * tickPixelIntervalOption / axisLength
				);
			}
			
			if (!isDatetimeAxis && !defined(options.tickInterval)) { // linear
				tickInterval = normalizeTickInterval(tickInterval);
			}
			axis.tickInterval = tickInterval; // record for linked axis
			
			// get minorTickInterval
			minorTickInterval = options.minorTickInterval === 'auto' && tickInterval ?
					tickInterval / 5 : options.minorTickInterval;
			
			// find the tick positions
			if (isDatetimeAxis) {
				setDateTimeTickPositions();
			} else {
				setLinearTickPositions();
			}
			
			if (!isLinked) {
				// pad categorised axis to nearest half unit
				if (categories || (isXAxis && chart.hasColumn)) {
					catPad = (categories ? 1 : tickInterval) * 0.5;
					if (categories || !defined(pick(options.min, userMin))) {
						min -= catPad;
					}
					if (categories || !defined(pick(options.max, userMax))) {
						max += catPad;
					}
				}
				
				// reset min/max or remove extremes based on start/end on tick
				var roundedMin = tickPositions[0],
					roundedMax = tickPositions[tickPositions.length - 1];
				
				if (options.startOnTick) {
					min = roundedMin;
				} else if (min > roundedMin) {
					tickPositions.shift();
				}
				
				if (options.endOnTick) {
					max = roundedMax;
				} else if (max < roundedMax) {
					tickPositions.pop();
				}
			
				// record the greatest number of ticks for multi axis
				if (!maxTicks) { // first call, or maxTicks have been reset after a zoom operation
					maxTicks = {
						x: 0,
						y: 0
					};
				}
				
				if (!isDatetimeAxis && tickPositions.length > maxTicks[xOrY]) {
					maxTicks[xOrY] = tickPositions.length;
				}
			}
			
			
		}
		
		/**
		 * When using multiple axes, adjust the number of ticks to match the highest
		 * number of ticks in that group
		 */ 
		function adjustTickAmount() {
					
			if (maxTicks && !isDatetimeAxis && !categories && !isLinked) { // only apply to linear scale
				var oldTickAmount = tickAmount,
					calculatedTickAmount = tickPositions.length;
					
				// set the axis-level tickAmount to use below
				tickAmount = maxTicks[xOrY];
				
				if (calculatedTickAmount < tickAmount) {
					while (tickPositions.length < tickAmount) {
						tickPositions.push(correctFloat(
							tickPositions[tickPositions.length - 1] + tickInterval
						));
					}
					transA *= (calculatedTickAmount - 1) / (tickAmount - 1);
					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
		 * 
		 */
		function setScale() {
			var type, 
				i;
				
			oldMin = min;
			oldMax = max;
				
			// get data extremes if needed
			getSeriesExtremes();
					
			// get fixed positions based on tickInterval
			setTickPositions();
			
			// the translation factor used in translate function
			oldTransA = transA;
			transA = axisLength / ((max - min) || 1);
							
			// reset stacks
			if (!isXAxis) {
				for (type in stacks) {
					for (i in stacks[type]) {
						stacks[type][i].cum = stacks[type][i].total;
					}
				}
			}

			// mark as dirty if it is not already set to dirty and extremes have changed
			if (!axis.isDirty) {
				axis.isDirty = (min !== oldMin || max !== oldMax);
			}
			
		}
		
		/**
		 * 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
		 * 
		 */
		function setExtremes(newMin, newMax, redraw, animation) {
			
			redraw = pick(redraw, true); // defaults to true
				
			fireEvent(axis, 'setExtremes', { // fire an event to enable syncing of multiple charts
				min: newMin,
				max: newMax
			}, function () { // the default event handler
				
				userMin = newMin;
				userMax = newMax;
			
				
				// redraw
				if (redraw) {
					chart.redraw(animation);
				}
			});
			
		}
		
		/**
		 * Get the actual axis extremes
		 */
		function getExtremes() {
			return {
				min: min,
				max: max,
				dataMin: dataMin,
				dataMax: dataMax,
				userMin: userMin,
				userMax: userMax
			};
		}
		
		/**
		 * Get the zero plane either based on zero or on the min or max value.
		 * Used in bar and area plots
		 */
		function getThreshold(threshold) {
			if (min > threshold) {
				threshold = min;
			} else if (max < threshold) {
				threshold = max;
			}
			
			return translate(threshold, 0, 1);
		}
		
		/**
		 * Add a plot band or plot line after render time
		 * 
		 * @param options {Object} The plotBand or plotLine configuration object
		 */
		function addPlotBandOrLine(options) {
			var obj = new PlotLineOrBand(options).render();
			plotLinesAndBands.push(obj);
			return obj;
		}
		
		/**
		 * Render the tick labels to a preliminary position to get their sizes
		 */
		function getOffset() {
			
			var hasData = associatedSeries.length && defined(min) && defined(max),
				titleOffset = 0,
				titleMargin = 0,
				axisTitleOptions = options.title,
				labelOptions = options.labels,
				directionFactor = [-1, 1, 1, -1][side],
				n;
			
			if (!axisGroup) {
				axisGroup = renderer.g('axis')
					.attr({ zIndex: 7 })
					.add();
				gridGroup = renderer.g('grid')
					.attr({ zIndex: 1 })
					.add();
			}
			
			labelOffset = 0; // reset
			
			if (hasData || isLinked) {
				each(tickPositions, function (pos) {
					if (!ticks[pos]) {
						ticks[pos] = new Tick(pos);
					} else {
						ticks[pos].addLabel(); // update labels depending on tick interval
					}
					
					// left side must be align: right and right side must have align: left for labels
					if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === labelOptions.align) {
					
						// get the highest offset
						labelOffset = mathMax(
							ticks[pos].getLabelSize(),
							labelOffset
						);
					}
			
				});
				
				if (staggerLines) {
					labelOffset += (staggerLines - 1) * 16;
				}
			
			} else { // doesn't have data
				for (n in ticks) {
					ticks[n].destroy();
					delete ticks[n];
				}
			}
			
			if (axisTitleOptions && axisTitleOptions.text) {
				if (!axis.axisTitle) {
					axis.axisTitle = renderer.text(
						axisTitleOptions.text,
						0,
						0
					)
					.attr({ 
						zIndex: 7,
						rotation: axisTitleOptions.rotation || 0,
						align: 
							axisTitleOptions.textAlign || 
							{ low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
					})
					.css(axisTitleOptions.style)
					.add();
				}
				
				titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
				titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10);
				
			}
			
			// handle automatic or user set offset
			offset = directionFactor * (options.offset || axisOffset[side]);
			
			axisTitleMargin = 
				labelOffset +
				(side !== 2 && labelOffset && directionFactor * options.labels[horiz ? 'y' : 'x']) + 
				titleMargin;
			
			axisOffset[side] = mathMax(
				axisOffset[side], 
				axisTitleMargin + titleOffset + directionFactor * offset
			);
			
		}
		
		/**
		 * Render the axis
		 */
		function render() {
			var axisTitleOptions = options.title,
				stackLabelOptions = options.stackLabels,
				alternateGridColor = options.alternateGridColor,
				lineWidth = options.lineWidth,
				lineLeft,
				lineTop,
				linePath,
				hasRendered = chart.hasRendered,
				slideInTicks = hasRendered && defined(oldMin) && !isNaN(oldMin),
				hasData = associatedSeries.length && defined(min) && defined(max);
			
			// update metrics
			axisLength = horiz ? plotWidth : plotHeight;
			transA = axisLength / ((max - min) || 1);
			transB = horiz ? plotLeft : marginBottom; // translation addend
			
			// If the series has data draw the ticks. Else only the line and title
			if (hasData || isLinked) {
				
				// minor ticks
				if (minorTickInterval && !categories) {
					var pos = min + (tickPositions[0] - min) % minorTickInterval;
					for (pos; pos <= max; pos += minorTickInterval) {
						if (!minorTicks[pos]) {
							minorTicks[pos] = new Tick(pos, true);
						}
						
						// render new ticks in old position
						if (slideInTicks && minorTicks[pos].isNew) {
							minorTicks[pos].render(null, true);
						}
					
						
						minorTicks[pos].isActive = true;
						minorTicks[pos].render();
					}
				}
				
				// major ticks
				each(tickPositions, function (pos, i) {
					// linked axes need an extra check to find out if 
					if (!isLinked || (pos >= min && pos <= max)) {
						
						// render new ticks in old position
						if (slideInTicks && ticks[pos].isNew) {
							ticks[pos].render(i, true);
						}
						
						ticks[pos].isActive = true;
						ticks[pos].render(i);
					}
				});
				
				// alternate grid color
				if (alternateGridColor) {
					each(tickPositions, function (pos, i) {
						if (i % 2 === 0 && pos < max) {
							/*plotLinesAndBands.push(new PlotLineOrBand({
								from: pos,
								to: tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] : max,
								color: alternateGridColor 
							}));*/
							
							if (!alternateBands[pos]) {
								alternateBands[pos] = new PlotLineOrBand();
							}
							alternateBands[pos].options = {
								from: pos,
								to: tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] : max,
								color: alternateGridColor 
							};
							alternateBands[pos].render();
							alternateBands[pos].isActive = true;
						}
					});
				}
				
				// custom plot bands (behind grid lines)
				/*if (!hasRendered) { // only first time
					each(options.plotBands || [], function(plotBandOptions) {
						plotLinesAndBands.push(new PlotLineOrBand(
							extend({ zIndex: 1 }, plotBandOptions)
						).render());
					});
				}*/
				
				
				
				
				// custom plot lines and bands
				if (!hasRendered) { // only first time
					each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
						plotLinesAndBands.push(new PlotLineOrBand(plotLineOptions).render());
					});
				}
				
				
			
			} // end if hasData
			
			// remove inactive ticks
			each([ticks, minorTicks, alternateBands], function (coll) {
				var pos;
				for (pos in coll) {
					if (!coll[pos].isActive) {
						coll[pos].destroy();
						delete coll[pos];
					} else {
						coll[pos].isActive = false; // reset
					}
				}
			});
				
				
			
			
			// Static items. As the axis group is cleared on subsequent calls
			// to render, these items are added outside the group.	
			// axis line
			if (lineWidth) {
				lineLeft = plotLeft + (opposite ? plotWidth : 0) + offset;
				lineTop = chartHeight - marginBottom - (opposite ? plotHeight : 0) + offset;
				
				linePath = renderer.crispLine([
						M,
						horiz ? 
							plotLeft :
							lineLeft,
						horiz ? 
							lineTop :
							plotTop,
						L, 
						horiz ? 
							chartWidth - marginRight :
							lineLeft,
						horiz ? 
							lineTop :
							chartHeight - marginBottom
					], lineWidth);
				if (!axisLine) {
					axisLine = renderer.path(linePath)
						.attr({ 
							stroke: options.lineColor, 
							'stroke-width': lineWidth,
							zIndex: 7
						})
						.add();
				} else {
					axisLine.animate({ d: linePath });
				}
					
			}
			
			if (axis.axisTitle) {
				// compute anchor points for each of the title align options
				var margin = horiz ? plotLeft : plotTop,
					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 ? plotTop + plotHeight : plotLeft) +
					(horiz ? 1 : -1) * // horizontal axis reverses the margin
					(opposite ? -1 : 1) * // so does opposite axes
					axisTitleMargin +
					//(isIE ? fontSize / 3 : 0)+ // preliminary fix for vml's centerline
					(side === 2 ? fontSize : 0);
				
				axis.axisTitle[hasRendered ? 'animate' : 'attr']({
					x: horiz ? 
						alongAxis : 
						offAxis + (opposite ? plotWidth : 0) + offset +
							(axisTitleOptions.x || 0), // x
					y: horiz ? 
						offAxis - (opposite ? plotHeight : 0) + offset : 
						alongAxis + (axisTitleOptions.y || 0) // y
				});
				
			}
			
			// 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
							})
							.translate(plotLeft, plotTop)
							.add();
				}

				// 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
		 */
		function removePlotBandOrLine(id) {
			var i = plotLinesAndBands.length;
			while (i--) {
				if (plotLinesAndBands[i].id === id) {
					plotLinesAndBands[i].destroy();
				}
			}
		}
		
		/**
		 * Redraw the axis to reflect changes in the data or axis extremes
		 */
		function redraw() {
			
			// hide tooltip and hover states
			if (tracker.resetTracker) {
				tracker.resetTracker();
			}
		
			// render the axis
			render();			
			
			// move plot lines and bands
			each(plotLinesAndBands, function (plotLine) {
				plotLine.render();
			});
			
			// mark associated series as dirty and ready for redraw
			each(associatedSeries, function (series) {
				series.isDirty = true;
			});
						
		}
		
		/**
		 * Set new axis categories and optionally redraw
		 * @param {Array} newCategories
		 * @param {Boolean} doRedraw
		 */
		function setCategories(newCategories, doRedraw) {
				// set the categories
				axis.categories = categories = newCategories;
				
				// force reindexing tooltips
				each(associatedSeries, function (series) {
					series.translate();
					series.setTooltipPoints(true);
				});
				
				
				// optionally redraw
				axis.isDirty = true;
				
				if (pick(doRedraw, true)) {
					chart.redraw();
				}
		}
		
		
		
		// Run Axis
			
		// inverted charts have reversed xAxes as default
		if (inverted && isXAxis && reversed === UNDEFINED) {
			reversed = true;
		}
		
			
		// expose some variables
		extend(axis, {
			addPlotBand: addPlotBandOrLine,
			addPlotLine: addPlotBandOrLine,
			adjustTickAmount: adjustTickAmount,
			categories: categories,
			getExtremes: getExtremes,
			getPlotLinePath: getPlotLinePath,
			getThreshold: getThreshold,
			isXAxis: isXAxis,
			options: options,
			plotLinesAndBands: plotLinesAndBands,
			getOffset: getOffset,
			render: render,
			setCategories: setCategories,
			setExtremes: setExtremes,
			setScale: setScale,
			setTickPositions: setTickPositions,
			translate: translate,
			redraw: redraw,
			removePlotBand: removePlotBandOrLine,
			removePlotLine: removePlotBandOrLine,
			reversed: reversed,
			stacks: stacks
		});
		
		// register event listeners
		for (eventType in events) {
			addEvent(axis, eventType, events[eventType]);
		}
		
		// set min and max
		setScale();
	
	} // end Axis
	
	
	/**
	 * The toolbar object
	 * 
	 * @param {Object} chart 
	 */
	function Toolbar(chart) {
		var buttons = {};
		
		function add(id, text, title, fn) {
			if (!buttons[id]) {
				var button = renderer.text(
					text,
					0,
					0
				)
				.css(options.toolbar.itemStyle)
				.align({
					align: 'right',
					x: -marginRight - 20,
					y: plotTop + 30
				})
				.on('click', fn)
				/*.on('touchstart', function(e) {
					e.stopPropagation(); // don't fire the container event
					fn();
				})*/
				.attr({
					align: 'right', 
					zIndex: 20
				})
				.add();
				buttons[id] = button;
			}
		}
		function remove(id) {
			discardElement(buttons[id].element);
			buttons[id] = null;
		}
		
		// public
		return {
			add: add,
			remove: remove
		};
	}
	
	/**
	 * The tooltip object
	 * @param {Object} options Tooltip options
	 */
	function Tooltip(options) {
		var currentSeries,
			borderWidth = options.borderWidth,
			crosshairsOptions = options.crosshairs,
			crosshairs = [],
			style = options.style,
			shared = options.shared,
			padding = pInt(style.padding),
			boxOffLeft = borderWidth + padding, // off left/top position as IE can't 
				//properly handle negative positioned shapes
			tooltipIsHidden = true,
			boxWidth,
			boxHeight,
			currentX = 0,			
			currentY = 0;
			
		// remove padding CSS and apply padding on box instead
		style.padding = 0;
		
		// create the elements
		var group = renderer.g('tooltip')
			.attr({	zIndex: 8 })
			.add(),
			
			box = renderer.rect(boxOffLeft, boxOffLeft, 0, 0, options.borderRadius, borderWidth)
				.attr({
					fill: options.backgroundColor,
					'stroke-width': borderWidth
				})
				.add(group)
				.shadow(options.shadow),
			label = renderer.text('', padding + boxOffLeft, pInt(style.fontSize) + padding + boxOffLeft)
				.attr({ zIndex: 1 })
				.css(style)
				.add(group);
				
		group.hide();
				
		/**
		 * In case no user defined formatter is given, this will be used
		 */
		function defaultFormatter() {
			var pThis = this,
				items = pThis.points || splat(pThis),
				xAxis = items[0].series.xAxis,				
				x = pThis.x,
				isDateTime = xAxis && xAxis.options.type === 'datetime',
				useHeader = isString(x) || isDateTime,
				series,
				s;
			
			// build the header	
			s = useHeader ? 
				['<span style="font-size: 10px">' +
				(isDateTime ? dateFormat('%A, %b %e, %Y', x) :  x) +
				'</span>'] : [];
						
			// build the values
			each(items, function (item) {
				s.push(item.point.tooltipFormatter(useHeader));
			});
			return s.join('<br/>');
		}
		
		/**
		 * Provide a soft movement for the tooltip
		 * 
		 * @param {Number} finalX
		 * @param {Number} finalY 
		 */
		function move(finalX, finalY) {

			currentX = tooltipIsHidden ? finalX : (2 * currentX + finalX) / 3;
			currentY = tooltipIsHidden ? finalY : (currentY + finalY) / 2;
			
			group.translate(currentX, currentY);
			
			
			// run on next tick of the mouse tracker
			if (mathAbs(finalX - currentX) > 1 || mathAbs(finalY - currentY) > 1) {
				tooltipTick = function () {
					move(finalX, finalY);
				};
			} else {
				tooltipTick = null;
			}
		}
		
		/**
		 * Hide the tooltip
		 */
		function hide() {
			if (!tooltipIsHidden) {
				var hoverPoints = chart.hoverPoints;
				
				group.hide();
			
				each(crosshairs, function (crosshair) {
					if (crosshair) {
						crosshair.hide();
					}
				});
			
				// hide previous hoverPoints and set new
				if (hoverPoints) {
					each(hoverPoints, function (point) {
						point.setState();
					});
				}
				chart.hoverPoints = null;					
				
				
				tooltipIsHidden = true;
			}
					
		}
		
		/**
		 * Refresh the tooltip's text and position. 
		 * @param {Object} point
		 * 
		 */
		function refresh(point) {
			var x,
				y,
				boxX,
				boxY,
				show,
				bBox,
				plotX,
				plotY = 0,
				textConfig = {},
				text,
				pointConfig = [],
				tooltipPos = point.tooltipPos,
				formatter = options.formatter || defaultFormatter,
				hoverPoints = chart.hoverPoints,
				placedTooltipPoint;
				
			// shared tooltip, array is sent over
			if (shared) {
				
				// hide previous hoverPoints and set new
				if (hoverPoints) {
					each(hoverPoints, function (point) {
						point.setState();
					});
				}
				chart.hoverPoints = point;
				 
				each(point, function (item, i) {
					/*var series = item.series,
						hoverPoint = series.hoverPoint;
					if (hoverPoint) {
						hoverPoint.setState();
					}
					series.hoverPoint = item;*/
					item.setState(HOVER_STATE);
					plotY += item.plotY; // for average
					
					pointConfig.push(item.getLabelConfig());
				});
				
				plotX = point[0].plotX;
				plotY = mathRound(plotY) / point.length; // mathRound because Opera 10 has problems here
				
				textConfig = {
					x: point[0].category
				};
				textConfig.points = pointConfig;
				point = point[0];
				
			// single point tooltip
			} else {
				textConfig = point.getLabelConfig();
			}
			text = formatter.call(textConfig);
			
			// register the current series
			currentSeries = point.series;
			
			// get the reference point coordinates (pie charts use tooltipPos)
			plotX = shared ? plotX : point.plotX;
			plotY = shared ? plotY : point.plotY;
			x = mathRound(tooltipPos ? tooltipPos[0] : (inverted ? plotWidth - plotY : plotX));
			y = mathRound(tooltipPos ? tooltipPos[1] : (inverted ? plotHeight - plotX : plotY));
				
				
			// hide tooltip if the point falls outside the plot
			show = shared || !point.series.isCartesian || isInsidePlot(x, y);
			
			// update the inner HTML
			if (text === false || !show) { 
				hide();
			} else {
				
			    // show it
				if (tooltipIsHidden) {
					group.show();
					tooltipIsHidden = false;
				}
				
				// update text
				label.attr({
					text: text
				});
				
				// get the bounding box
				bBox = label.getBBox();
				boxWidth = bBox.width + 2 * padding;
				boxHeight = bBox.height + 2 * padding;

				// set the size of the box
				box.attr({
					width: boxWidth,
					height: boxHeight,
					stroke: options.borderColor || point.color || currentSeries.color || '#606060'
				});

				placedTooltipPoint = placeBox(boxWidth, boxHeight, plotLeft, plotTop, plotWidth, plotHeight, {x: x, y: y});

				// do the move
				move(mathRound(placedTooltipPoint.x - boxOffLeft), mathRound(placedTooltipPoint.y - boxOffLeft));
			}
			
			
			// crosshairs
			if (crosshairsOptions) {
				crosshairsOptions = splat(crosshairsOptions); // [x, y]
				
				var path, 
					i = crosshairsOptions.length,
					attribs,
					axis;
				
				while (i--) {
					axis = point.series[i ? 'yAxis' : 'xAxis'];
					if (crosshairsOptions[i] && axis) {
						path = axis
							.getPlotLinePath(point[i ? 'y' : 'x'], 1);
						if (crosshairs[i]) {
							crosshairs[i].attr({ d: path, visibility: VISIBLE });
						
						} else {
							attribs = {
								'stroke-width': crosshairsOptions[i].width || 1,
								stroke: crosshairsOptions[i].color || '#C0C0C0',
								zIndex: 2
							};
							if (crosshairsOptions[i].dashStyle) {
								attribs.dashstyle = crosshairsOptions[i].dashStyle;
							}
							crosshairs[i] = renderer.path(path)
								.attr(attribs)
								.add();
						}
					}
				}				
			}		
		}
		

		
		// public members
		return {
			shared: shared,
			refresh: refresh,
			hide: hide
		};	
	}
	
	/**
	 * The mouse tracker object
	 * @param {Object} chart
	 * @param {Object} options
	 */
	function MouseTracker(chart, options) {

		
		var mouseDownX, 
			mouseDownY,
			hasDragged,
			selectionMarker,
			zoomType = optionsChart.zoomType,
			zoomX = /x/.test(zoomType),
			zoomY = /y/.test(zoomType),
			zoomHor = (zoomX && !inverted) || (zoomY && inverted),
			zoomVert = (zoomY && !inverted) || (zoomX && inverted);
			
		/**
		 * Add crossbrowser support for chartX and chartY
		 * @param {Object} e The event object in standard browsers
		 */
		function normalizeMouseEvent(e) {
			var ePos,
				pageZoomFix = isWebKit && doc.width / doc.documentElement.clientWidth - 1,
				chartPosLeft,
				chartPosTop,
				chartX,
				chartY;
			
			// common IE normalizing
			e = e || win.event;
			if (!e.target) {
				e.target = e.srcElement;
			}
			
			// iOS
			ePos = e.touches ? e.touches.item(0) : e;
			
			// in certain cases, get mouse position
			if (e.type !== 'mousemove' || win.opera || pageZoomFix) { // only Opera needs position on mouse move, see below
				chartPosition = getPosition(container);
				chartPosLeft = chartPosition.left;
				chartPosTop = chartPosition.top;
			}
			
			// chartX and chartY
			if (isIE) { // IE including IE9 that has chartX but in a different meaning
				chartX = e.x;
				chartY = e.y;
			} else {
				if (ePos.layerX === UNDEFINED) { // Opera and iOS
					chartX = ePos.pageX - chartPosLeft;
					chartY = ePos.pageY - chartPosTop;
				} else {
					chartX = e.layerX;
					chartY = e.layerY;
				}
			}
			
			// correct for page zoom bug in WebKit
			if (pageZoomFix) {
				chartX += mathRound((pageZoomFix + 1) * chartPosLeft - chartPosLeft);
				chartY += mathRound((pageZoomFix + 1) * chartPosTop - chartPosTop);
			}
			
			return extend(e, {
				chartX: chartX,
				chartY: chartY
			});
		}
		
		/**
		 * Get the click position in terms of axis values.
		 * 
		 * @param {Object} e A mouse event
		 */
		function getMouseCoordinates(e) {
			var coordinates = {
				xAxis: [],
				yAxis: []
			}; 
			each(axes, function (axis, i) {
				var translate = axis.translate,
					isXAxis = axis.isXAxis,
					isHorizontal = inverted ? !isXAxis : isXAxis;
					
				coordinates[isXAxis ? 'xAxis' : 'yAxis'].push({
					axis: axis,
					value: translate(
						isHorizontal ? 
							e.chartX - plotLeft  : 
							plotHeight - e.chartY + plotTop,
						true
					)								
				});
			});
			return coordinates;
		}
		
		/**
		 * With line type charts with a single tracker, get the point closest to the mouse
		 */
		function onmousemove(e) {
			var point,
				points,
				hoverPoint = chart.hoverPoint,
				hoverSeries = chart.hoverSeries,
				i,
				j,
				distance = chartWidth,
				index = inverted ? e.chartY : e.chartX - plotLeft; // wtf?
				
			// shared tooltip
			if (tooltip && options.shared) {
				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].tooltipPoints.length) {
						point = series[j].tooltipPoints[index];
						point._dist = mathAbs(index - point.plotX);
						distance = mathMin(distance, point._dist);
						points.push(point);
					}
				}
				// remove furthest points
				i = points.length;
				while (i--) {
					if (points[i]._dist > distance) {
						points.splice(i, 1);
					}
				}
				// refresh the tooltip if necessary
				if (points.length && (points[0].plotX !== hoverX)) {
					tooltip.refresh(points);
					hoverX = points[0].plotX;
				}
			}
			
			// separate tooltip and general mouse events
			if (hoverSeries && hoverSeries.tracker) { // only use for line-type series with common tracker
		
				// get the point
				point = hoverSeries.tooltipPoints[index];
				
				// a new point is hovered, refresh the tooltip
				if (point && point !== hoverPoint) {
					
					// trigger the events
					point.onMouseOver();
					
				}				
			}
		}
				
		
		
		/**
		 * Reset the tracking by hiding the tooltip, the hover series state and the hover point
		 */
		function resetTracker() {
			var hoverSeries = chart.hoverSeries,
				hoverPoint = chart.hoverPoint;				

			if (hoverPoint) {
				hoverPoint.onMouseOut();
			}
			
			if (hoverSeries) {
				hoverSeries.onMouseOut();
			}
			
			if (tooltip) {
				tooltip.hide();
			}
			
			clearTimeout(tooltipTimer);
			
			hoverX = null;
		}
		
		/**
		 * Mouse up or outside the plot area
		 */
		function drop() {
			if (selectionMarker) {
				var selectionData = {
						xAxis: [],
						yAxis: []
					},
					selectionBox = selectionMarker.getBBox(),
					selectionLeft = selectionBox.x - plotLeft,
					selectionTop = selectionBox.y - plotTop;
				
					
				// a selection has been made
				if (hasDragged) {
					
					// record each axis' min and max
					each(axes, function (axis, i) {
						var translate = axis.translate,
							isXAxis = axis.isXAxis,
							isHorizontal = inverted ? !isXAxis : isXAxis,
							selectionMin = translate(
								isHorizontal ? 
									selectionLeft : 
									plotHeight - selectionTop - selectionBox.height, 
								true,
								0,
								0,
								1
							),
							selectionMax = translate(
								isHorizontal ? 
									selectionLeft + selectionBox.width : 
									plotHeight - selectionTop, 
								true,
								0,
								0,
								1
							);
								
							selectionData[isXAxis ? 'xAxis' : 'yAxis'].push({
								axis: axis,
								min: mathMin(selectionMin, selectionMax), // for reversed axes,
								max: mathMax(selectionMin, selectionMax)
							});
							
					});
					fireEvent(chart, 'selection', selectionData, zoom);

				}
				selectionMarker = selectionMarker.destroy();
			}
			
			chart.mouseIsDown = mouseIsDown = hasDragged = false;
			removeEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);

		}
		
		/**
		 * Set the JS events on the container element
		 */
		function setDOMEvents() {
			var lastWasOutsidePlot = true;
			
			/*
			 * Record the starting position of a dragoperation
			 */
			container.onmousedown = function (e) {
				e = normalizeMouseEvent(e);
				
				// issue #295, dragging not always working in Firefox
				if (!hasTouch && e.preventDefault) {
					e.preventDefault();
				}
				
				// record the start position
				chart.mouseIsDown = mouseIsDown = true;
				mouseDownX = e.chartX;
				mouseDownY = e.chartY;
				
				addEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop);
			};
						
			// The mousemove, touchmove and touchstart event handler
			var mouseMove = function (e) {

				// let the system handle multitouch operations like two finger scroll
				// and pinching
				if (e && e.touches && e.touches.length > 1) {
					return;
				}
				
				// normalize
				e = normalizeMouseEvent(e);
				if (!hasTouch) { // not for touch devices
					e.returnValue = false;
				}
				
				var chartX = e.chartX,
					chartY = e.chartY,
					isOutsidePlot = !isInsidePlot(chartX - plotLeft, chartY - plotTop);
					
				// on touch devices, only trigger click if a handler is defined
				if (hasTouch && e.type === 'touchstart') {
					if (attr(e.target, 'isTracker')) {
						if (!chart.runTrackerClick) {
							e.preventDefault();
						}	
					} else if (!runChartClick && !isOutsidePlot) {
						e.preventDefault();
					}
				}
				
				// cancel on mouse outside
				if (isOutsidePlot) {
				
					if (!lastWasOutsidePlot) {
						// reset the tracker					
						resetTracker();
					}
					
					// drop the selection if any and reset mouseIsDown and hasDragged
					//drop();
					if (chartX < plotLeft) {
						chartX = plotLeft;
					} else if (chartX > plotLeft + plotWidth) {
						chartX = plotLeft + plotWidth;
					}
					
					if (chartY < plotTop) {
						chartY = plotTop;
					} else if (chartY > plotTop + plotHeight) {
						chartY = plotTop + plotHeight;
					}	
					
				}	
					
				if (mouseIsDown && e.type !== 'touchstart') { // make selection
					
					// determine if the mouse has moved more than 10px
					hasDragged = Math.sqrt(
						Math.pow(mouseDownX - chartX, 2) + 
						Math.pow(mouseDownY - chartY, 2)
					);
					if (hasDragged > 10) {
					
						// make a selection
						if (hasCartesianSeries && (zoomX || zoomY) && 
								isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop)) {
							if (!selectionMarker) {
								selectionMarker = renderer.rect(
									plotLeft,
									plotTop,
									zoomHor ? 1 : plotWidth,
									zoomVert ? 1 : plotHeight,
									0
								)
								.attr({
									fill: 'rgba(69,114,167,0.25)',
									zIndex: 7
								})
								.add();
							}
						}
						
						// adjust the width of the selection marker
						if (selectionMarker && zoomHor) {
							var xSize = chartX - mouseDownX;
							selectionMarker.attr({
								width: mathAbs(xSize),
								x: (xSize > 0 ? 0 : xSize) + mouseDownX
							});
						}
						// adjust the height of the selection marker
						if (selectionMarker && zoomVert) {
							var ySize = chartY - mouseDownY;
							selectionMarker.attr({
								height: mathAbs(ySize),
								y: (ySize > 0 ? 0 : ySize) + mouseDownY
							});
						}
					}
					
				} else if (!isOutsidePlot) {
					// show the tooltip
					onmousemove(e);
				}
				
				lastWasOutsidePlot = isOutsidePlot;
				
				// when outside plot, allow touch-drag by returning true
				return isOutsidePlot || !hasCartesianSeries;
			};
			
			/*
			 * When the mouse enters the container, run mouseMove
			 */
			container.onmousemove = mouseMove;
			
			/*
			 * When the mouse leaves the container, hide the tracking (tooltip).
			 */
			addEvent(container, 'mouseleave', resetTracker);
			
			// issue #149 workaround
			// to do: check whether the container position is somehow cached, so we don't
			// have to run the expensive getPosition. In that case, we can remove the 
			// tooltip instantly on mousemoves outside the plot area.
			function setTooltipTimer(e) {
				clearTimeout(tooltipTimer);
				tooltipTimer = setTimeout (function() {
					chartPosition = getPosition(container);
					if (!isInsidePlot(e.pageX - chartPosition.left - plotLeft, e.pageY - chartPosition.top - plotTop)) {
						resetTracker();
					} else {
						setTooltipTimer(e);
					}
				}, 3000);
			}
			addEvent(document, 'mousemove', setTooltipTimer);

			
			container.ontouchstart = function (e) {
				// For touch devices, use touchmove to zoom
				if (zoomX || zoomY) {
					container.onmousedown(e);
				}
				// Show tooltip and prevent the lower mouse pseudo event
				mouseMove(e);
			};
			
			/*
			 * Allow dragging the finger over the chart to read the values on touch 
			 * devices
			 */
			container.ontouchmove = mouseMove;
			
			/*
			 * Allow dragging the finger over the chart to read the values on touch 
			 * devices
			 */
			container.ontouchend = function () {
				if (hasDragged) {
					resetTracker();
				}
			};			
			
			
			// MooTools 1.2.3 doesn't fire this in IE when using addEvent
			container.onclick = function (e) {
				var hoverPoint = chart.hoverPoint;
				e = normalizeMouseEvent(e);
				 
				e.cancelBubble = true; // IE specific
				
				
				if (!hasDragged) {
					if (hoverPoint && attr(e.target, 'isTracker')) {
						var plotX = hoverPoint.plotX,
							plotY = hoverPoint.plotY;
							
						// add page position info
						extend(hoverPoint, {
							pageX: chartPosition.left + plotLeft + 
								(inverted ? plotWidth - plotY : plotX),
							pageY: chartPosition.top + plotTop + 
								(inverted ? plotHeight - plotX : plotY)
						});
						
						// the series click event
						fireEvent(hoverPoint.series, 'click', extend(e, {
							point: hoverPoint
						}));
						
						// the point click event
						hoverPoint.firePointEvent('click', e);
					
					} else { 
						extend(e, getMouseCoordinates(e));
						
						// fire a click event in the chart
						if (isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) {
							fireEvent(chart, 'click', e);
						}
					}
					
					
				}
				// reset mouseIsDown and hasDragged
				hasDragged = false;
			};
			
		}
		
		/**
		 * Create the image map that listens for mouseovers
		 */
		placeTrackerGroup = function () {
			
			// first create - plot positions is not final at this stage
			if (!trackerGroup) {
				chart.trackerGroup = trackerGroup = renderer.g('tracker')
					.attr({ zIndex: 9 })
					.add();
			
			// then position - this happens on load and after resizing and changing
			// axis or box positions
			} else {				
				trackerGroup.translate(plotLeft, plotTop);
				if (inverted) {
					trackerGroup.attr({
						width: chart.plotWidth,
						height: chart.plotHeight
					}).invert();
				}
			}			
		};
		
		
		// Run MouseTracker
		placeTrackerGroup();
		if (options.enabled) {
			chart.tooltip = tooltip = Tooltip(options);
		}
		
		setDOMEvents();
		
		// set the fixed interval ticking for the smooth tooltip
		tooltipInterval = setInterval(function () {
			if (tooltipTick) {
				tooltipTick();
			}
		}, 32);
		
		// expose properties
		extend(this, {
			zoomX: zoomX,
			zoomY: zoomY,
			resetTracker: resetTracker
		});
	}
	
	
	
	/**
	 * The overview of the chart's series
	 * @param {Object} chart
	 */
	var Legend = function (chart) {

		var options = chart.options.legend;
			
		if (!options.enabled) {
			return;
		}
		
		var horizontal = options.layout === 'horizontal',
			symbolWidth = options.symbolWidth,
			symbolPadding = options.symbolPadding,
			allItems,
			style = options.style,
			itemStyle = options.itemStyle,
			itemHoverStyle = options.itemHoverStyle,
			itemHiddenStyle = options.itemHiddenStyle,
			padding = pInt(style.padding),
			rightPadding = 20,
			//lineHeight = options.lineHeight || 16,
			y = 18,
			initialItemX = 4 + padding + symbolWidth + symbolPadding,
			itemX,
			itemY,
			lastItemY,
			itemHeight = 0,
			box,
			legendBorderWidth = options.borderWidth,
			legendBackgroundColor = options.backgroundColor,
			legendGroup,
			offsetWidth,
			widthOption = options.width,
			series = chart.series,
			reversedLegend = options.reversed;
			
			
		
		/**
		 * Set the colors for the legend item
		 * @param {Object} item A Series or Point instance
		 * @param {Object} visible Dimmed or colored
		 */
		function colorizeItem(item, visible) {
			var legendItem = item.legendItem,
				legendLine = item.legendLine,
				legendSymbol = item.legendSymbol,
				hiddenColor = itemHiddenStyle.color,
				textColor = visible ? options.itemStyle.color : hiddenColor,
				lineColor = visible ? item.color : hiddenColor,
				symbolAttr = visible ? item.pointAttr[NORMAL_STATE] : {
					stroke: hiddenColor,
					fill: hiddenColor
				};
					
			if (legendItem) {
				legendItem.css({ fill: textColor });
			}
			if (legendLine) {
				legendLine.attr({ stroke: lineColor });
			}
			if (legendSymbol) {
				legendSymbol.attr(symbolAttr);
			}
			
		}
		
		/**
		 * Position the legend item
		 * @param {Object} item A Series or Point instance
		 * @param {Object} visible Dimmed or colored
		 */
		function positionItem(item, itemX, itemY) {
			var legendItem = item.legendItem,
				legendLine = item.legendLine,
				legendSymbol = item.legendSymbol,
				checkbox = item.checkbox;
			if (legendItem) {
				legendItem.attr({ 
					x: itemX,
					y: itemY
				});
			}
			if (legendLine) {
				legendLine.translate(itemX, itemY - 4);
			}
			if (legendSymbol) {
				legendSymbol.attr({
					x: itemX + legendSymbol.xOff, 
					y: itemY + legendSymbol.yOff
				});
			}
			if (checkbox) {
				checkbox.x = itemX;
				checkbox.y = itemY;
			}
		}
		
		/**
		 * Destroy a single legend item
		 * @param {Object} item The series or point
		 */
		function destroyItem(item) {
			var checkbox = item.checkbox;
				
			// pull out from the array
			//erase(allItems, item);
				
			// destroy SVG elements
			each(['legendItem', 'legendLine', 'legendSymbol'], function (key) {
				if (item[key]) {
					item[key].destroy();
				}
			});
			
			if (checkbox) {
				discardElement(item.checkbox);
			}
			
			
		}
		
		
		/**
		 * Position the checkboxes after the width is determined
		 */ 
		function positionCheckboxes() {
			each(allItems, function (item) {
				var checkbox = item.checkbox,
					alignAttr = legendGroup.alignAttr;
				if (checkbox) {
					css(checkbox, {
						left: (alignAttr.translateX + item.legendItemWidth + checkbox.x - 40) + PX,
						top: (alignAttr.translateY + checkbox.y - 11) + PX 
					});
				}
			});
		}
		
		/**
		 * Render a single specific legend item
		 * @param {Object} item A series or point
		 */
		function renderItem(item) {
			var bBox,
				itemWidth,
				legendSymbol,
				symbolX,
				symbolY,
				attribs,
				simpleSymbol,
				li = item.legendItem,
				series = item.series || item,
				i = allItems.length,
				itemOptions = series.options,
				strokeWidth = (itemOptions && itemOptions.borderWidth) || 0;				
			
			if (!li) { // generate it once, later move it
			
				// let these series types use a simple symbol
				simpleSymbol = /^(bar|pie|area|column)$/.test(series.type);
				
				// generate the list item text
				item.legendItem = li = renderer.text(
						options.labelFormatter.call(item),
						0, 
						0
					)
					.css(item.visible ? itemStyle : itemHiddenStyle)
					.on('mouseover', function () {
						item.setState(HOVER_STATE);
						li.css(itemHoverStyle);
					})
					.on('mouseout', function () {
						li.css(item.visible ? itemStyle : itemHiddenStyle);
						item.setState();
					})
					.on('click', function (event) {
						var strLegendItemClick = 'legendItemClick',
							fnLegendItemClick = function () {
								item.setVisible();
							};
						
						// click the name or symbol
						if (item.firePointEvent) { // point
							item.firePointEvent(strLegendItemClick, null, fnLegendItemClick);
						} else {
							fireEvent(item, strLegendItemClick, null, fnLegendItemClick);
						}
					})
					.attr({ zIndex: 2 })
					.add(legendGroup);
				
				// draw the line
				if (!simpleSymbol && itemOptions && itemOptions.lineWidth) {
					var attrs = {
							'stroke-width': itemOptions.lineWidth,
							zIndex: 2
						};
					if (itemOptions.dashStyle) {
						attrs.dashstyle = itemOptions.dashStyle;
					}
					item.legendLine = renderer.path([
						M,
						-symbolWidth - symbolPadding, 
						0,
						L, 
						-symbolPadding, 
						0
					])
					.attr(attrs)
					.add(legendGroup);
				}
					
				// draw a simple symbol
				if (simpleSymbol) { // bar|pie|area|column
					
					legendSymbol = renderer.rect(
						(symbolX = -symbolWidth - symbolPadding),
						(symbolY = -11),
						symbolWidth,
						12,
						2
					).attr({
						//'stroke-width': 0,
						zIndex: 3
					}).add(legendGroup);

				// draw the marker
				} else if (itemOptions && itemOptions.marker && itemOptions.marker.enabled) {
					legendSymbol = renderer.symbol(
						item.symbol,
						(symbolX = -symbolWidth / 2 - symbolPadding), 
						(symbolY = -4),
						itemOptions.marker.radius
					)
					//.attr(item.pointAttr[NORMAL_STATE])
					.attr({ zIndex: 3 })
					.add(legendGroup);
				
				}
				if (legendSymbol) {
					legendSymbol.xOff = symbolX + (strokeWidth % 2 / 2);
					legendSymbol.yOff = symbolY + (strokeWidth % 2 / 2);
				}
				
				item.legendSymbol = legendSymbol;
					
				// colorize the items
				colorizeItem(item, item.visible);
				
				
				// add the HTML checkbox on top
				if (itemOptions && itemOptions.showCheckbox) {
					item.checkbox = createElement('input', {
						type: 'checkbox',
						checked: item.selected,
						defaultChecked: item.selected // required by IE7						
					}, options.itemCheckboxStyle, 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 + rightPadding;
			itemHeight = bBox.height;
			
			// if the item exceeds the width, start a new line
			if (horizontal && itemX - initialItemX + itemWidth > 
					(widthOption || (chartWidth - 2 * padding - initialItemX))) {
				itemX = initialItemX;
				itemY += itemHeight;
			}		
			lastItemY = itemY;
			
			// position the newly generated or reordered items
			positionItem(item, itemX, itemY);
			
			// advance
			if (horizontal) {
				itemX += itemWidth;
			} else {
				itemY += itemHeight;
			}
			
			// the width of the widest item
			offsetWidth = widthOption || mathMax(
				horizontal ? itemX - initialItemX : itemWidth, 
				offsetWidth
			);
			
					
			
			// add it all to an array to use below
			//allItems.push(item);
		}

		/**
		 * 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.
		 */
		function renderLegend() {
			itemX = initialItemX;
			itemY = y;
			offsetWidth = 0;
			lastItemY = 0;
			
			if (!legendGroup) {
				legendGroup = renderer.g('legend')
					.attr({ zIndex: 7 })
					.add();
			}
			
			
			// add each series or point
			allItems = [];
			each(series, function (serie) {
				var seriesOptions = serie.options;
				
				if (!seriesOptions.showInLegend) {
					return;
				}
				
				// use points or series for the legend item depending on legendType
				allItems = allItems.concat(seriesOptions.legendType === 'point' ?
					serie.data : 
					serie
				);
				
			});
			
			// sort by legendIndex
			stableSort(allItems, function (a, b) {
				return (a.options.legendIndex || 0) - (b.options.legendIndex || 0);
			});
			
			// reversed legend
			if (reversedLegend) {
				allItems.reverse();
			}
			
			// render the items
			each(allItems, renderItem);
			
			
			
			// Draw the border
			legendWidth = widthOption || offsetWidth;
			legendHeight = lastItemY - y + itemHeight;
			
			if (legendBorderWidth || legendBackgroundColor) {
				legendWidth += 2 * padding;
				legendHeight += 2 * padding;
				
				if (!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);
				
				} else if (legendWidth > 0 && legendHeight > 0) {
					box.animate(
						box.crisp(null, null, null, legendWidth, legendHeight)
					);
				}
				
				// hide the border if no items
				box[allItems.length ? 'show' : 'hide']();
			}
			
			// 1.x compatibility: positioning based on style
			var props = ['left', 'right', 'top', 'bottom'],
				prop,
				i = 4;
			while (i--) {
				prop = props[i];
				if (style[prop] && style[prop] !== 'auto') {
					options[i < 2 ? 'align' : 'verticalAlign'] = prop;
					options[i < 2 ? 'x' : 'y'] = pInt(style[prop]) * (i % 2 ? -1 : 1);
				}
			}
			
			legendGroup.align(extend(options, {
				width: legendWidth,
				height: legendHeight
			}), true, spacingBox);
			
			if (!isResizing) {
				positionCheckboxes();
			}
		}
		
		
		// run legend
		renderLegend();
		
		// move checkboxes
		addEvent(chart, 'endResize', positionCheckboxes);
		
		// expose 
		return {
			colorizeItem: colorizeItem,
			destroyItem: destroyItem,
			renderLegend: renderLegend
		};
	};
	
	
	
		
	

	/** 
	 * Initialize an individual series, called internally before render time
	 */
	function initSeries(options) {
		var type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
			typeClass = seriesTypes[type],
			serie,
			hasRendered = chart.hasRendered;
			
		// an inverted chart can't take a column series and vice versa
		if (hasRendered) {
			if (inverted && type === 'column') {
				typeClass = seriesTypes.bar;
			} else if (!inverted && type === 'bar') {
				typeClass = seriesTypes.column;
			}
		}
		
		serie = new typeClass();
		
		serie.init(chart, options);
		
		// set internal chart properties
		if (!hasRendered && serie.inverted) {
			inverted = true;
		}
		if (serie.isCartesian) {
			hasCartesianSeries = serie.isCartesian;
		}
		
		series.push(serie);
		
		return serie;
	}

	/**
	 * 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
	 */
	function addSeries(options, redraw, animation) {
		var series;
		
		if (options) {
			setAnimation(animation, chart);
			redraw = pick(redraw, true); // defaults to true
			
			fireEvent(chart, 'addSeries', { options: options }, function () {
				series = initSeries(options);
				series.isDirty = true;
				
				chart.isDirtyLegend = true; // the series array is out of sync with the display
				if (redraw) {
					chart.redraw();
				}
			});
		}
		
		return series;
	}
	
	/**
	 * Check whether a given point is within the plot area
	 * 
	 * @param {Number} x Pixel x relative to the coordinateSystem
	 * @param {Number} y Pixel y relative to the coordinateSystem
	 */
	isInsidePlot = function (x, y) {
		return x >= 0 &&
			x <= plotWidth &&
			y >= 0 &&
			y <= plotHeight;
	};
		
	/**
	 * Adjust all axes tick amounts
	 */
	function adjustTickAmounts() {
		if (optionsChart.alignTicks !== false) {
			each(axes, function (axis) {
				axis.adjustTickAmount();
			});
		}
		maxTicks = null;
	}

	/**
	 * Redraw legend, axes or series based on updated data
	 * 
	 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
	 *    configuration
	 */
	function redraw(animation) {
		var redrawLegend = chart.isDirtyLegend,
			hasStackedSeries,
			isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
			seriesLength = series.length,
			i = seriesLength,
			clipRect = chart.clipRect,
			serie;
			
		setAnimation(animation, chart);
		
		// link stacked series
		while (i--) {
			serie = series[i];
			if (serie.isDirty && serie.options.stacking) {
				hasStackedSeries = true;
				break;
			}
		}
		if (hasStackedSeries) { // mark others as dirty
			i = seriesLength;
			while (i--) {
				serie = series[i];
				if (serie.options.stacking) {
					serie.isDirty = true;
				}
			}
		}
		
		// handle updated data in the series		
		each(series, function (serie) {
			if (serie.isDirty) { // prepare the data so axis can read it
				serie.cleanData();
				serie.getSegments();
				
				if (serie.options.legendType === 'point') {
					redrawLegend = true;
				}
			}
		});
		
		// handle added or removed series
		if (redrawLegend && legend.renderLegend) { // series or pie points are added or removed
			// draw legend graphics
			legend.renderLegend();
			
			chart.isDirtyLegend = false;
		}
				
		if (hasCartesianSeries) {
			if (!isResizing) {
				
				// reset maxTicks
				maxTicks = null;				
				
				// set axes scales
				each(axes, function (axis) {
					axis.setScale();
				});
			}
			adjustTickAmounts();
			getMargins();
	
			// redraw axes
			each(axes, function (axis) {
				if (axis.isDirty || isDirtyBox) {
					axis.redraw();
					isDirtyBox = true; // always redraw box to reflect changes in the axis labels 
				}
			});
			
			
		}
		
		// the plot areas size has changed
		if (isDirtyBox) {
			drawChartBox();
			placeTrackerGroup();
			
			// move clip rect
			if (clipRect) {
				stop(clipRect);
				clipRect.animate({ // for chart resize
					width: chart.plotSizeX,
					height: chart.plotSizeY
				});
			}
		
		}
		
					
		// redraw affected series
		each(series, function (serie) {
			if (serie.isDirty && serie.visible && 
					(!serie.isCartesian || serie.xAxis)) { // issue #153 
				serie.redraw();
			}
		});
		
		
		// hide tooltip and hover states
		if (tracker && tracker.resetTracker) {
			tracker.resetTracker();
		}
		
		// fire the event
		fireEvent(chart, 'redraw');
	}
	
	
	
	/**
	 * 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
	 */
	function showLoading(str) {
		var loadingOptions = options.loading;

		// create the layer at the first call
		if (!loadingDiv) {
			loadingDiv = createElement(DIV, {
				className: 'highcharts-loading'
			}, extend(loadingOptions.style, {
				left: plotLeft + PX,
				top: plotTop + PX,
				width: plotWidth + PX,
				height: plotHeight + PX,
				zIndex: 10,
				display: NONE
			}), container);
			
			loadingSpan = createElement(
				'span', 
				null, 
				loadingOptions.labelStyle, 
				loadingDiv
			);

		}
		
		// update text
		loadingSpan.innerHTML = str || options.lang.loading;
		
		// show it
		if (!loadingShown) {
			css(loadingDiv, { opacity: 0, display: '' });
			animate(loadingDiv, {
				opacity: loadingOptions.style.opacity
			}, {
				duration: loadingOptions.showDuration
			});
			loadingShown = true;
		}
	}
	/**
	 * Hide the loading layer
	 */
	function hideLoading() {
		animate(loadingDiv, {
			opacity: 0
		}, {
			duration: options.loading.hideDuration, 
			complete: function () {
				css(loadingDiv, { display: NONE });
			}
		});
		loadingShown = false;
	}
	
	/**
	 * Get an axis, series or point object by id.
	 * @param id {String} The id as given in the configuration options
	 */
	function get(id) {
		var i,
			j,
			data;
		
		// 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++) {
			data = series[i].data;
			for (j = 0; j < data.length; j++) {
				if (data[j].id === id) {
					return data[j];
				}
			}
		}
		return null;	
	}
	
	/** 
	 * Create the Axis instances based on the config options
	 */
	function getAxes() {
		var xAxisOptions = options.xAxis || {},
			yAxisOptions = options.yAxis || {},
			axis;
			
		// make sure the options are arrays and add some members
		xAxisOptions = splat(xAxisOptions);
		each(xAxisOptions, function (axis, i) {
			axis.index = i; 
			axis.isX = true;
		});
		
		yAxisOptions = splat(yAxisOptions);
		each(yAxisOptions, function (axis, i) {
			axis.index = i;
		});
		
		// concatenate all axis options into one array
		axes = xAxisOptions.concat(yAxisOptions);
		
		// loop the options and construct axis objects
		chart.xAxis = [];
		chart.yAxis = [];
		axes = map(axes, function (axisOptions) {
			axis = new Axis(chart, axisOptions);
			chart[axis.isXAxis ? 'xAxis' : 'yAxis'].push(axis);
			
			return axis;
		});
		
		adjustTickAmounts();
	}

	
	/**
	 * Get the currently selected points from all series
	 */
	function getSelectedPoints() {
		var points = [];
		each(series, function (serie) {
			points = points.concat(grep(serie.data, function (point) {
				return point.selected;
			}));
		});
		return points;
	}
	
	/**
	 * Get the currently selected series
	 */
	function getSelectedSeries() {
		return grep(series, function (serie) {
			return serie.selected;
		});
	}
	
	/**
	 * Zoom out to 1:1
	 */
	zoomOut = function () {
		fireEvent(chart, 'selection', { resetSelection: true }, zoom);
		chart.toolbar.remove('zoom');

	};
	/**
	 * Zoom into a given portion of the chart given by axis coordinates
	 * @param {Object} event
	 */
	zoom = function (event) {
		
		// add button to reset selection
		var lang = defaultOptions.lang,
			animate = chart.pointCount < 100;
		chart.toolbar.add('zoom', lang.resetZoom, lang.resetZoomTitle, zoomOut);
		
		// if zoom is called with no arguments, reset the axes
		if (!event || event.resetSelection) {
			each(axes, function (axis) {
				axis.setExtremes(null, null, false, animate);
			});
		} else { // else, zoom in on all axes
			each(event.xAxis.concat(event.yAxis), function (axisData) {
				var axis = axisData.axis;
				
				// don't zoom more than maxZoom
				if (chart.tracker[axis.isXAxis ? 'zoomX' : 'zoomY']) {
					axis.setExtremes(axisData.min, axisData.max, false, animate);
				}
			});
		}
		
		// redraw chart
		redraw();
	};
	
	/**
	 * Show the title and subtitle of the chart
	 * 
	 * @param titleOptions {Object} New title options
	 * @param subtitleOptions {Object} New subtitle options
	 * 
	 */
	function setTitle(titleOptions, subtitleOptions) {
		
		chartTitleOptions = merge(options.title, titleOptions);
		chartSubtitleOptions = merge(options.subtitle, subtitleOptions);
		
		// add title and subtitle
		each([
			['title', titleOptions, chartTitleOptions],
			['subtitle', subtitleOptions, chartSubtitleOptions]
		], function (arr) {
			var name = arr[0],
				title = chart[name],
				titleOptions = arr[1],
				chartTitleOptions = arr[2];
				
			if (title && titleOptions) {
				title.destroy(); // remove old
				title = null;
			}
			if (chartTitleOptions && chartTitleOptions.text && !title) {
				chart[name] = renderer.text(
					chartTitleOptions.text, 
					0,
					0
				)
				.attr({
					align: chartTitleOptions.align,
					'class': 'highcharts-' + name,
					zIndex: 1
				})
				.css(chartTitleOptions.style)
				.add()
				.align(chartTitleOptions, false, spacingBox);
			}
		});
		
	}
	
	/**
	 * Get chart width and height according to options and container size
	 */
	function getChartSize() {

		containerWidth = (renderToClone || renderTo).offsetWidth;
		containerHeight = (renderToClone || renderTo).offsetHeight;
		chart.chartWidth = chartWidth = optionsChart.width || containerWidth || 600;
		chart.chartHeight = chartHeight = optionsChart.height || 
			// the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
			(containerHeight > 19 ? containerHeight : 400);
	}

	
	/**
	 * Get the containing element, determine the size and create the inner container
	 * div to hold the chart
	 */
	function getContainer() {
		renderTo = optionsChart.renderTo;
		containerId = PREFIX + idCounter++;
	
		if (isString(renderTo)) {
			renderTo = doc.getElementById(renderTo);
		}
	
		// 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) {
			renderToClone = renderTo.cloneNode(0);
			css(renderToClone, {
				position: ABSOLUTE,
				top: '-9999px',
				display: ''
			});
			doc.body.appendChild(renderToClone);
		}
		
		// get the width and height
		getChartSize();
		
		// create the inner container
		chart.container = container = createElement(DIV, {
				className: 'highcharts-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'
			}, optionsChart.style),
			renderToClone || renderTo
		);
		
		chart.renderer = renderer = 
			optionsChart.forExport ? // force SVG, used for SVG export
				new SVGRenderer(container, chartWidth, chartHeight, true) : 
				new Renderer(container, chartWidth, chartHeight);
				
		// 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) {
			subPixelFix = function () {
				css(container, { left: 0, top: 0 });
				rect = container.getBoundingClientRect();
				css(container, {
					left: (-(rect.left - pInt(rect.left))) + PX,
					top: (-(rect.top - pInt(rect.top))) + PX
				});
			};
			
			// run the fix now
			subPixelFix();
			
			// run it on resize
			addEvent(win, 'resize', subPixelFix);
			
			// remove it on chart destroy
			addEvent(chart, 'destroy', function () {
				removeEvent(win, 'resize', subPixelFix);
			});
		}
	}
	
	/**
	 * 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 legendOptions = options.legend,
			legendMargin = pick(legendOptions.margin, 10),
			legendX = legendOptions.x,
			legendY = legendOptions.y,
			align = legendOptions.align,
			verticalAlign = legendOptions.verticalAlign,
			titleOffset;

		resetMargins();

		// adjust for title and subtitle
		if ((chart.title || chart.subtitle) && !defined(optionsMarginTop)) {
			titleOffset = mathMax(
				(chart.title && !chartTitleOptions.floating && !chartTitleOptions.verticalAlign && chartTitleOptions.y) || 0, 
				(chart.subtitle && !chartSubtitleOptions.floating && !chartSubtitleOptions.verticalAlign && chartSubtitleOptions.y) || 0				
			);
			if (titleOffset) {
				plotTop = mathMax(plotTop, titleOffset + pick(chartTitleOptions.margin, 15) + spacingTop);
			}
		}
		// adjust for legend
		if (legendOptions.enabled && !legendOptions.floating) {
			if (align === 'right') { // horizontal alignment handled first
				if (!defined(optionsMarginRight)) {
					marginRight = mathMax(
						marginRight,
						legendWidth - legendX + legendMargin + spacingRight
					);
				}
			} else if (align === 'left') {
				if (!defined(optionsMarginLeft)) {
					plotLeft = mathMax(
						plotLeft,
						legendWidth + legendX + legendMargin + spacingLeft
					);
				}
				
			} else if (verticalAlign === 'top') {
				if (!defined(optionsMarginTop)) {
					plotTop = mathMax(
						plotTop, 
						legendHeight + legendY + legendMargin + spacingTop
					);
				}
			
			} else if (verticalAlign === 'bottom') {
				if (!defined(optionsMarginBottom)) {
					marginBottom = mathMax(
						marginBottom, 
						legendHeight - legendY + legendMargin + spacingBottom
					);
				}
			}
		}
		
		// pre-render axes to get labels offset width
		if (hasCartesianSeries) {
			each(axes, function (axis) {
				axis.getOffset();
			});
		}
		
		if (!defined(optionsMarginLeft)) {
			plotLeft += axisOffset[3];
		}
		if (!defined(optionsMarginTop)) {
			plotTop += axisOffset[0];
		}
		if (!defined(optionsMarginBottom)) {
			marginBottom += axisOffset[2];
		}
		if (!defined(optionsMarginRight)) {
			marginRight += axisOffset[1];
		}
		
		setChartSize();
		
	};
	
	/**
	 * Add the event handlers necessary for auto resizing
	 * 
	 */
	function initReflow() {
		var reflowTimeout;
		function reflow() {
			var width = optionsChart.width || renderTo.offsetWidth,
				height = optionsChart.height || renderTo.offsetHeight;
			
			if (width && height) { // means container is display:none
				if (width !== containerWidth || height !== containerHeight) {
					clearTimeout(reflowTimeout);
					reflowTimeout = setTimeout(function () {
						resize(width, height, false);
					}, 100);
				}
				containerWidth = width;
				containerHeight = height;
			}
		}
		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
	 */
	resize = function (width, height, animation) {
		var chartTitle = chart.title,
			chartSubtitle = chart.subtitle;
		
		isResizing += 1;
		
		// set the animation for the current process
		setAnimation(animation, chart);
		
		oldChartHeight = chartHeight;
		oldChartWidth = chartWidth;
		chart.chartWidth = chartWidth = mathRound(width);
		chart.chartHeight = chartHeight = mathRound(height);
		
		css(container, {
			width: chartWidth + PX,
			height: chartHeight + PX
		});
		renderer.setSize(chartWidth, chartHeight, animation);
		
		// update axis lengths for more correct tick intervals:
		plotWidth = chartWidth - plotLeft - marginRight; 
		plotHeight = chartHeight - plotTop - marginBottom;
		
		// handle axes
		maxTicks = null;
		each(axes, function (axis) {
			axis.isDirty = true;
			axis.setScale();
		});
		
		// make sure non-cartesian series are also handled
		each(series, function (serie) {
			serie.isDirty = true;
		});
		
		chart.isDirtyLegend = true; // force legend redraw
		chart.isDirtyBox = true; // force redraw of plot and chart border
		
		getMargins();
		 
		// move titles
		if (chartTitle) {
			chartTitle.align(null, null, spacingBox);
		}
		if (chartSubtitle) {
			chartSubtitle.align(null, null, spacingBox);
		}
		
		redraw(animation);
		
		
		oldChartHeight = null;
		fireEvent(chart, 'resize');
		
		// fire endResize and set isResizing back 
		setTimeout(function () {
			fireEvent(chart, 'endResize', null, function () {
				isResizing -= 1;
			});
		}, (globalAnimation && globalAnimation.duration) || 500);
	};
	
	/**
	 * Set the public chart properties. This is done before and after the pre-render
	 * to determine margin sizes
	 */
	setChartSize = function () {
		
		chart.plotLeft = plotLeft = mathRound(plotLeft);
		chart.plotTop = plotTop = mathRound(plotTop);
		chart.plotWidth = plotWidth = mathRound(chartWidth - plotLeft - marginRight);
		chart.plotHeight = plotHeight = mathRound(chartHeight - plotTop - marginBottom);
		
		chart.plotSizeX = inverted ? plotHeight : plotWidth;
		chart.plotSizeY = inverted ? plotWidth : plotHeight;
		
		spacingBox = {
			x: spacingLeft,
			y: spacingTop,
			width: chartWidth - spacingLeft - spacingRight,
			height: chartHeight - spacingTop - spacingBottom
		};
	};
	
	/**
	 * Initial margins before auto size margins are applied
	 */
	resetMargins = function () {
		plotTop = pick(optionsMarginTop, spacingTop);
		marginRight = pick(optionsMarginRight, spacingRight);
		marginBottom = pick(optionsMarginBottom, spacingBottom);
		plotLeft = pick(optionsMarginLeft, spacingLeft);
		axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
	};
	
	/**
	 * Draw the borders and backgrounds for chart and plot area
	 */
	drawChartBox = function () {
		var chartBorderWidth = optionsChart.borderWidth || 0,
			chartBackgroundColor = optionsChart.backgroundColor,
			plotBackgroundColor = optionsChart.plotBackgroundColor,
			plotBackgroundImage = optionsChart.plotBackgroundImage,
			mgn,
			plotSize = {
				x: plotLeft,
				y: plotTop,
				width: plotWidth,
				height: plotHeight
			};

		// Chart area
		mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);
			
		if (chartBorderWidth || chartBackgroundColor) {
			if (!chartBackground) {
				chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn, 
						optionsChart.borderRadius, chartBorderWidth)
					.attr({ 
						stroke: optionsChart.borderColor,
						'stroke-width': chartBorderWidth,
						fill: chartBackgroundColor || NONE
					})
					.add()
					.shadow(optionsChart.shadow);
			} else { // resize
				chartBackground.animate(
					chartBackground.crisp(null, null, null, chartWidth - mgn, chartHeight - mgn)
				);
			}
		}
		
		
		// Plot background
		if (plotBackgroundColor) {
			if (!plotBackground) {
				plotBackground = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0)
					.attr({
						fill: plotBackgroundColor
					})
					.add()
					.shadow(optionsChart.plotShadow);
			} else {
				plotBackground.animate(plotSize);
			}
		}
		if (plotBackgroundImage) {
			if (!plotBGImage) {
				plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight)
					.add();
			} else {
				plotBGImage.animate(plotSize);
			}
		}
		
		// Plot area border
		if (optionsChart.plotBorderWidth) {
			if (!plotBorder) {
				plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, optionsChart.plotBorderWidth)
					.attr({
						stroke: optionsChart.plotBorderColor,
						'stroke-width': optionsChart.plotBorderWidth,
						zIndex: 4
					})
					.add();
			} else {
				plotBorder.animate(
					plotBorder.crisp(null, plotLeft, plotTop, plotWidth, plotHeight)
				);
			}
		}
		
		// reset
		chart.isDirtyBox = false;
	};
	
	/**
	 * Render all graphics for the chart
	 */
	function render() {
		var labels = options.labels,
			credits = options.credits,
			creditsHref;
		
		// Title
		setTitle();
		
		
		// Legend
		legend = chart.legend = new Legend(chart);
		
		// Get margins by pre-rendering axes
		getMargins();
		each(axes, function (axis) {
			axis.setTickPositions(true); // update to reflect the new margins 
		});
		adjustTickAmounts();
		getMargins(); // second pass to check for new labels
		
		
		// Draw the borders and backgrounds
		drawChartBox();
						
		// Axes
		if (hasCartesianSeries) {
			each(axes, function (axis) { 
				axis.render();
			});
		}
		
		
		// The series
		if (!chart.seriesGroup) {
			chart.seriesGroup = renderer.g('series-group')
				.attr({ zIndex: 3 })
				.add();
		}
		each(series, function (serie) {
			serie.translate();
			serie.setTooltipPoints();
			serie.render();
		});
		
		
		// Labels
		if (labels.items) {
			each(labels.items, function () {
				var style = extend(labels.style, this.style),
					x = pInt(style.left) + plotLeft,
					y = pInt(style.top) + plotTop + 12;
				
				// delete to prevent rewriting in IE
				delete style.left;
				delete style.top;
				
				renderer.text(
					this.html,
					x,
					y
				)
				.attr({ zIndex: 2 })
				.css(style)
				.add();
					
			});
		}
		
		// Toolbar (don't redraw)
		if (!chart.toolbar) {
			chart.toolbar = Toolbar(chart);
		}
		
		// Credits
		if (credits.enabled && !chart.credits) {
			creditsHref = credits.href;
			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); 
		}
		
		placeTrackerGroup();

		// Set flag
		chart.hasRendered = true;
		
		// If the chart was rendered outside the top container, put it back in
		if (renderToClone) {
			renderTo.appendChild(container);
			discardElement(renderToClone);
			//updatePosition(container);
		}
	}
	
	/**
	 * Clean up memory usage
	 */
	function destroy() {
		var i = series.length,
			parentNode = container && container.parentNode;
		
		// fire the chart.destoy event
		fireEvent(chart, 'destroy');

		// remove events
		removeEvent(win, 'unload', destroy);
		removeEvent(chart);
		
		each(axes, function (axis) {
			removeEvent(axis);
		});

		// destroy each series
		while (i--) {
			series[i].destroy();
		}
		
		// remove container and all SVG
		if (container) { // can break in IE when destroyed before finished loading
			container.innerHTML = '';
			removeEvent(container);
			if (parentNode) {
				parentNode.removeChild(container);
			}
			
			// IE6 leak 
			container = null;
		}
		
		// IE7 leak
		if (renderer) { // can break in IE when destroyed before finished loading
			renderer.alignedObjects = null;
		}
			
		// memory and CPU leak
		clearInterval(tooltipInterval);
		
		// clean it all up
		for (i in chart) {
			delete chart[i];
		}
		
	}
	/**
	 * Prepare for first rendering after all data are loaded
	 */
	function firstRender() {

		// VML namespaces can't be added until after complete. Listening
		// for Perini's doScroll hack is not enough.
		var ONREADYSTATECHANGE = 'onreadystatechange',
			COMPLETE = 'complete';
		// Note: in spite of JSLint's complaints, win == win.top is required
		if (!hasSVG && win == win.top && doc.readyState !== COMPLETE) {
			doc.attachEvent(ONREADYSTATECHANGE, function () {
				doc.detachEvent(ONREADYSTATECHANGE, firstRender);
				if (doc.readyState === COMPLETE) {
					firstRender();
				}
			});
			return;
		}

		// create the container
		getContainer();
		
		resetMargins();
		setChartSize();
		
		// Initialize the series
		each(options.series || [], function (serieOptions) {
			initSeries(serieOptions);
		});
	
		// Set the common inversion and transformation for inverted series after initSeries
		chart.inverted = inverted = pick(inverted, options.chart.inverted); 
			
		
		getAxes();
		
		
		chart.render = render;
		
		// depends on inverted and on margins being set	
		chart.tracker = tracker = new MouseTracker(chart, options.tooltip);
		
		//globalAnimation = false;
		render();
		
		fireEvent(chart, 'load');
		
		//globalAnimation = true;
		
		// run callbacks
		if (callback) {
			callback.apply(chart, [chart]);
		}
		each(chart.callbacks, function (fn) {
			fn.apply(chart, [chart]);
		});
	}
	
	// Run chart
		
	
	// Destroy the chart and free up memory. 
	addEvent(win, 'unload', destroy);
	
	// Set up auto resize
	if (optionsChart.reflow !== false) {
		addEvent(chart, 'load', initReflow);
	}
	
	// Chart event handlers
	if (chartEvents) {
		for (eventType in chartEvents) { 
			addEvent(chart, eventType, chartEvents[eventType]);
		}
	}
	
	
	chart.options = options;
	chart.series = series;

	
	
	
	
	// Expose methods and variables
	chart.addSeries = addSeries;
	chart.animation = pick(optionsChart.animation, true);
	chart.destroy = destroy;
	chart.get = get;
	chart.getSelectedPoints = getSelectedPoints;
	chart.getSelectedSeries = getSelectedSeries;
	chart.hideLoading = hideLoading;
	chart.isInsidePlot = isInsidePlot;
	chart.redraw = redraw;
	chart.setSize = resize;
	chart.setTitle = setTitle;
	chart.showLoading = showLoading;	
	chart.pointCount = 0;
	chart.counters = new ChartCounters();
	/*
	if ($) $(function() {
		$container = $('#container');
		var origChartWidth,
			origChartHeight;
		if ($container) {
			$('<button>+</button>')
				.insertBefore($container)
				.click(function() {
					if (origChartWidth === UNDEFINED) {
						origChartWidth = chartWidth;
						origChartHeight = chartHeight;
					}				
					chart.resize(chartWidth *= 1.1, chartHeight *= 1.1);
				});
			$('<button>-</button>')
				.insertBefore($container)
				.click(function() {
					if (origChartWidth === UNDEFINED) {
						origChartWidth = chartWidth;
						origChartHeight = chartHeight;
					}							
					chart.resize(chartWidth *= 0.9, chartHeight *= 0.9);
				});
			$('<button>1:1</button>')
				.insertBefore($container)
				.click(function() {				
					if (origChartWidth === UNDEFINED) {
						origChartWidth = chartWidth;
						origChartHeight = chartHeight;
					}							
					chart.resize(origChartWidth, origChartHeight);
				});
		}
	})
	*/
	
	
	
		
	firstRender();
	
	
} // end Chart

// Hook for exporting module
Chart.prototype.callbacks = [];
/**
 * The Point object and prototype. Inheritable and used as base for PiePoint
 */
var Point = function () {};
Point.prototype = {

	/**
	 * Initialize the point
	 * @param {Object} series The series object containing this point
	 * @param {Object} options The data in either number, array or object format
	 */
	init: function (series, options) {
		var point = this,
			counters = series.chart.counters,
			defaultColors;
		point.series = series;
		point.applyOptions(options);
		point.pointAttr = {};
		
		if (series.options.colorByPoint) {
			defaultColors = series.chart.options.colors;
			if (!point.options) {
				point.options = {};
			}
			point.color = point.options.color = point.color || defaultColors[counters.color++];
			
			// loop back to zero
			counters.wrapColor(defaultColors.length);
		}
		
		series.chart.pointCount++;
		return point;
	},
	/**
	 * Apply the options containing the x and y data and possible some extra properties.
	 * This is called on point init or from point.update.
	 * 
	 * @param {Object} options
	 */
	applyOptions: function (options) {
		var point = this,
			series = point.series;
	
		point.config = options;
		
		// onedimensional array input
		if (isNumber(options) || options === null) {
			point.y = options;
		} else if (isObject(options) && !isNumber(options.length)) { // object input
			// copy options directly to point
			extend(point, options);
			point.options = options;
		} else if (isString(options[0])) { // categorized data with name in first position
			point.name = options[0];
			point.y = options[1];
		} else if (isNumber(options[0])) { // two-dimentional array
			point.x = options[0];
			point.y = options[1];
		}
		
		/* 
		 * If no x is set by now, get auto incremented value. All points must have an
		 * x value, however the y value can be null to create a gap in the series
		 */
		if (point.x === UNDEFINED) {
			point.x = series.autoIncrement();
		}
		
	},
	
	/**
	 * Destroy a point to clear memory. Its reference still stays in series.data.
	 */
	destroy: function () {
		var point = this,
			series = point.series,
			prop;
			
		series.chart.pointCount--;
			
		if (point === series.chart.hoverPoint) {
			point.onMouseOut();
		}
		series.chart.hoverPoints = null; // remove reference
		
		// remove all events
		removeEvent(point);
		
		each(['graphic', 'tracker', 'group', 'dataLabel', 'connector'], function (prop) {
			if (point[prop]) {
				point[prop].destroy();
			}
		});		
		
		if (point.legendItem) { // pies have legend items
			point.series.chart.legend.destroyItem(point);
		}
		
		for (prop in point) {
			point[prop] = null;
		}
		
		
	},
	
	/**
	 * Return the configuration hash needed for the data label and tooltip formatters
	 */
	getLabelConfig: function () {
		var point = this;
		return {
			x: point.category,
			y: point.y,
			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;
			
		point.selected = selected = pick(selected, !point.selected);
		
		//series.isDirty = true;
		point.firePointEvent(selected ? 'select' : 'unselect');
		point.setState(selected && SELECT_STATE);
		
		// unselect all other points unless Ctrl or Cmd + click
		if (!accumulate) {
			each(chart.getSelectedPoints(), function (loopPoint) {
				if (loopPoint.selected && loopPoint !== point) {
					loopPoint.selected = false;
					loopPoint.setState(NORMAL_STATE);
					loopPoint.firePointEvent('unselect');
				}
			});
		}
		
	},
	
	onMouseOver: function () {
		var point = this,
			chart = point.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) {
			tooltip.refresh(point);
		}
		
		// hover this
		point.setState(HOVER_STATE);
		chart.hoverPoint = point;
	},
	
	onMouseOut: function () {
		var point = this;
		point.firePointEvent('mouseOut');
		
		point.setState();
		point.series.chart.hoverPoint = null;
	},
	
	/**
	 * Extendable method for formatting each point's tooltip line 
	 * 
	 * @param {Boolean} useHeader Whether a common header is used for multiple series in the tooltip
	 * 
	 * @return {String} A string to be concatenated in to the common tooltip text
	 */
	tooltipFormatter: function (useHeader) {
		var point = this,
			series = point.series;
				
		return ['<span style="color:' + series.color + '">', (point.name || series.name), '</span>: ',
			(!useHeader ? ('<b>x = ' + (point.name || point.x) + ',</b> ') : ''), 
			'<b>', (!useHeader ? 'y = ' : ''), point.y, '</b>'].join('');
		
	},
	
	/**
	 * 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,
			dataLabel = point.dataLabel,
			graphic = point.graphic,
			chart = series.chart;
		
		redraw = pick(redraw, true);
		
		// fire the event with a default handler of doing the update
		point.firePointEvent('update', { options: options }, function () {

			point.applyOptions(options);
			
			// update visuals
			if (isObject(options)) {
				series.getAttribs();
				if (graphic) {
					graphic.attr(point.pointAttr[series.state]);
				}
			}
			
			// redraw
			series.isDirty = true;
			if (redraw) {
				chart.redraw(animation);
			}
		});
	},
	
	/**
	 * Remove a point and optionally redraw the series and if necessary the axes
	 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
	 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
	 *    configuration
	 */
	remove: function (redraw, animation) {
		var point = this,
			series = point.series,
			chart = series.chart,
			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 () {

			erase(data, point);
			
			point.destroy();
			
			
			// redraw
			series.isDirty = 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,
			series = point.series,
			stateOptions = series.options.states,
			markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
			normalDisabled = markerOptions && !markerOptions.enabled,
			markerStateOptions = markerOptions && markerOptions.states[state],
			stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
			stateMarkerGraphic = series.stateMarkerGraphic,
			chart = series.chart,
			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) {
			point.graphic.attr(pointAttr[state]);
		} else {
			// if a graphic is not applied to each point in the normal state, create a shared
			// graphic for the hover state
			if (state) {
				if (!stateMarkerGraphic) {
					series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.circle(
						0, 
						0, 
						pointAttr[state].r
					)
					.attr(pointAttr[state])
					.add(series.group);
				}
				
				stateMarkerGraphic.translate(
					point.plotX, 
					point.plotY
				);
			}
			
			if (stateMarkerGraphic) {
				stateMarkerGraphic[state ? 'show' : 'hide']();
			}
		}
		
		point.state = state;
	}
};

/**
 * The base function which all other series types inherit from
 * @param {Object} chart
 * @param {Object} options
 */
var Series = function () {};

Series.prototype = {
	
	isCartesian: true,
	type: 'line',
	pointClass: Point,
	pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
		stroke: 'lineColor',
		'stroke-width': 'lineWidth',
		fill: 'fillColor',
		r: 'radius'
	},
	init: function (chart, options) {
		var series = this,
			eventType,
			events,
			//pointEvent,
			index = chart.series.length;
			
		series.chart = chart;
		options = series.setOptions(options); // merge with plotOptions
		
		// set some variables
		extend(series, {
			index: index,
			options: options,
			name: options.name || 'Series ' + (index + 1),
			state: NORMAL_STATE,
			pointAttr: {},
			visible: options.visible !== false, // true by default
			selected: options.selected === true // false by default
		});
		
		// 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);
			
	},
	
	
	/**
	 * 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;
	},
	
	/**
	 * Sort the data and remove duplicates 
	 */
	cleanData: function () {
		var series = this,
			chart = series.chart,
			data = series.data,
			closestPoints,
			smallestInterval,
			chartSmallestInterval = chart.smallestInterval,
			interval,
			i;
			
		// sort the data points
		stableSort(data, function (a, b) {
			return (a.x - b.x);
		});
		
		// remove points with equal x values
		// record the closest distance for calculation of column widths
		/*for (i = data.length - 1; i >= 0; i--) {
			if (data[i - 1]) {
				if (data[i - 1].x == data[i].x)	{
					data[i - 1].destroy();
					data.splice(i - 1, 1); // remove the duplicate
				}
			}
		}*/
		
		// connect nulls
		if (series.options.connectNulls) {
			for (i = data.length - 1; i >= 0; i--) {
				if (data[i].y === null && data[i - 1] && data[i + 1]) {
					data.splice(i, 1);
				}
			}
		}
		
		// find the closes pair of points
		for (i = data.length - 1; i >= 0; i--) {
			if (data[i - 1]) {
				interval = data[i].x - data[i - 1].x;
				if (interval > 0 && (smallestInterval === UNDEFINED || interval < smallestInterval)) {
					smallestInterval = interval;
					closestPoints = i;	
				}
			}
		}
		
		if (chartSmallestInterval === UNDEFINED || smallestInterval < chartSmallestInterval) {
			chart.smallestInterval = smallestInterval;
		}
		series.closestPoints = closestPoints;
	},		
		
	/**
	 * Divide the series data into segments divided by null values. Also sort
	 * the data points and delete duplicate values.
	 */
	getSegments: function () {
		var lastNull = -1,
			segments = [],
			data = this.data;
		
		// create the segments
		each(data, function (point, i) {
			if (point.y === null) {
				if (i > lastNull + 1) {
					segments.push(data.slice(lastNull + 1, i));
				}
				lastNull = i;	
			} else if (i === data.length - 1) { // last value
				segments.push(data.slice(lastNull + 1, i + 1));
			}
		});
		this.segments = segments;
		
		
	},
	/**
	 * Set the series options by merging from the options tree
	 * @param {Object} itemOptions
	 */
	setOptions: function (itemOptions) {
		var plotOptions = this.chart.options.plotOptions,
			options = merge(
				plotOptions[this.type],
				plotOptions.series,
				itemOptions
			);
		
		return options;
		
	},
	/**
	 * Get the series' color
	 */
	getColor: function () {
		var defaultColors = this.chart.options.colors,
			counters = this.chart.counters;
		this.color = this.options.color || defaultColors[counters.color++] || '#0000ff';
		counters.wrapColor(defaultColors.length);
	},
	/**
	 * Get the series' symbol
	 */
	getSymbol: function () {
		var defaultSymbols = this.chart.options.symbols,
			counters = this.chart.counters;
		this.symbol = this.options.marker.symbol || defaultSymbols[counters.symbol++];
		counters.wrapSymbol(defaultSymbols.length);
	},
	
	/**
	 * Add a point dynamically after chart load time
	 * @param {Object} options Point options as given in series.data
	 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
	 * @param {Boolean} shift If shift is true, a point is shifted off the start 
	 *    of the series as one is appended to the end.
	 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
	 *    configuration
	 */
	addPoint: function (options, redraw, shift, animation) {
		var series = this,
			data = series.data,
			graph = series.graph,
			area = series.area,
			chart = series.chart,
			point = (new series.pointClass()).init(series, options);
			
		setAnimation(animation, chart);
		
		if (graph && shift) { // make graph animate sideways
			graph.shift = shift;
		}
		if (area) {
			area.shift = shift;
			area.isArea = true;
		}
			
		redraw = pick(redraw, true);
			
		data.push(point);
		if (shift) {
			data[0].remove(false);
		}
		series.getAttribs();
		
		
		// redraw
		series.isDirty = true;
		if (redraw) {
			chart.redraw();
		}
	},
	
	/**
	 * Replace the series data with a new set of data
	 * @param {Object} data
	 * @param {Object} redraw
	 */
	setData: function (data, redraw) {
		var series = this,
			oldData = series.data,
			initialColor = series.initialColor,
			chart = series.chart,
			i = (oldData && oldData.length) || 0;
		
		series.xIncrement = null; // reset for new data
		if (defined(initialColor)) { // reset colors for pie
			chart.counters.color = initialColor;
		}
		
		data = map(splat(data || []), function (pointOptions) {
			return (new series.pointClass()).init(series, pointOptions);
		});
		
		// destroy old points
		while (i--) {
			oldData[i].destroy();
		}
		
		// set the data
		series.data = data;
	
		series.cleanData();	
		series.getSegments();
		
		
		// cache attributes for shapes
		series.getAttribs();
		
		// redraw
		series.isDirty = true;
		chart.isDirtyBox = true;
		if (pick(redraw, true)) {
			chart.redraw(false);
		}
	},
	
	/**
	 * Remove a series and optionally redraw the chart
	 * 
	 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
	 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
	 *    configuration
	 */
	
	remove: function (redraw, animation) {
		var series = this,
			chart = series.chart;
		redraw = pick(redraw, true);
		
		if (!series.isRemoving) {  /* prevent triggering native event in jQuery
				(calling the remove function from the remove event) */ 
			series.isRemoving = true;

			// fire the event with a default handler of removing the point			
			fireEvent(series, 'remove', null, function () {
				
						
				// destroy elements
				series.destroy();
			
				
				// redraw
				chart.isDirtyLegend = chart.isDirtyBox = true;
				if (redraw) {
					chart.redraw(animation);
				}
			});
			
		} 
		series.isRemoving = false;
	},
	
	/**
	 * Translate data points from raw data values to chart specific positioning data
	 * needed later in drawPoints, drawGraph and drawTracker. 
	 */
	translate: function () {
		var series = this, 
			chart = series.chart, 
			stacking = series.options.stacking,
			categories = series.xAxis.categories,
			yAxis = series.yAxis,
			data = series.data,			
			i = data.length;
			
		// do the translation
		while (i--) {
			var point = data[i],
				xValue = point.x, 
				yValue = point.y, 
				yBottom = point.low,
				stack = yAxis.stacks[(yValue < 0 ? '-' : '') + series.stackKey],
				pointStack,
				pointStackTotal;
			point.plotX = series.xAxis.translate(xValue);
			
			// calculate the bottom y value for stacked series
			if (stacking && series.visible && stack && stack[xValue]) {
				pointStack = stack[xValue];
				pointStackTotal = pointStack.total;
				pointStack.cum = yBottom = pointStack.cum - yValue; // start from top
				yValue = yBottom + yValue;
				
				if (stacking === 'percent') {
					yBottom = pointStackTotal ? yBottom * 100 / pointStackTotal : 0;
					yValue = pointStackTotal ? yValue * 100 / pointStackTotal : 0;
				}

				point.percentage = pointStackTotal ? point.y * 100 / pointStackTotal : 0;
				point.stackTotal = pointStackTotal;
			}
			
			if (defined(yBottom)) {
				point.yBottom = yAxis.translate(yBottom, 0, 1, 0, 1);
			}
			
			// set the y value
			if (yValue !== null) {
				point.plotY = yAxis.translate(yValue, 0, 1, 0, 1);
			}
			
			// set client related positions for mouse tracking
			point.clientX = chart.inverted ? 
				chart.plotHeight - point.plotX : 
				point.plotX; // for mouse tracking
				
			// some API data
			point.category = categories && categories[point.x] !== UNDEFINED ? 
				categories[point.x] : point.x;
				
		}
	},
	/**
	 * Memoize tooltip texts and positions
	 */
	setTooltipPoints: function (renew) {
		var series = this,
			chart = series.chart,
			inverted = chart.inverted,
			data = [],
			plotSize = mathRound((inverted ? chart.plotTop : chart.plotLeft) + chart.plotSizeX),
			low,
			high,
			tooltipPoints = []; // a lookup array for each pixel in the x dimension
			
		// renew
		if (renew) {
			series.tooltipPoints = null;
		}
			
		// concat segments to overcome null values
		each(series.segments, function (segment) {
			data = data.concat(segment);
		});
		
		// loop the concatenated data and apply each point to all the closest
		// pixel positions
		if (series.xAxis && series.xAxis.reversed) {
			data = data.reverse();//reverseArray(data);
		}
		
		each(data, function (point, i) {
			
			low = data[i - 1] ? data[i - 1]._high + 1 : 0;
			high = point._high = data[i + 1] ?
				(mathFloor((point.plotX + (data[i + 1] ? data[i + 1].plotX : plotSize)) / 2)) :
				plotSize;
			
			while (low <= high) {
				tooltipPoints[inverted ? plotSize - low++ : low++] = point;
			}
		});
		series.tooltipPoints = tooltipPoints;
	},
	
	

	
	/**
	 * Series mouse over handler
	 */
	onMouseOver: function () {
		var series = this,
			chart = series.chart,
			hoverSeries = chart.hoverSeries;
			
		if (!hasTouch && chart.mouseIsDown) {
			return;
		}
		
		// set normal state to previous series
		if (hoverSeries && hoverSeries !== series) {
			hoverSeries.onMouseOut();
		}
		
		// trigger the event, but to save processing time, 
		// only if defined
		if (series.options.events.mouseOver) { 
			fireEvent(series, 'mouseOver');
		}
		
		
		// bring to front
		// Todo: optimize. This is one of two operations slowing down the tooltip in Firefox.
		// Can the tracking be done otherwise?
		if (series.tracker) {
			series.tracker.toFront();
		}
		
		// 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.hide();
		}
		
		// set normal state
		series.setState();
		chart.hoverSeries = null;		
	},
	
	/**
	 * Animate in the series
	 */
	animate: function (init) {
		var series = this,
			chart = series.chart,
			clipRect = series.clipRect,
			animation = series.options.animation;
			
		if (animation && !isObject(animation)) {
			animation = {};
		}
			
		if (init) { // initialize the animation
			if (!clipRect.isAnimating) { // apply it only for one of the series
				clipRect.attr('width', 0);
				clipRect.isAnimating = true;
			}
			
		} else { // run the animation
			clipRect.animate({ 
				width: chart.plotSizeX 
			}, animation);
			
			// delete this function to allow it only once
			this.animate = null;
		}
	},
	
	
	/**
	 * Draw the markers
	 */
	drawPoints: function () {
		var series = this,
			pointAttr,
			data = series.data, 
			chart = series.chart,
			plotX,
			plotY,
			i,
			point,
			radius,
			graphic;
		
		if (series.options.marker.enabled) {
			i = data.length;
			while (i--) {
				point = data[i];
				plotX = point.plotX;
				plotY = point.plotY;
				graphic = point.graphic;
				
				// only draw the point if y is defined
				if (plotY !== UNDEFINED && !isNaN(plotY)) {
				
					/* && removed this code because points stayed after zoom
						point.plotX >= 0 && point.plotX <= chart.plotSizeX &&
						point.plotY >= 0 && point.plotY <= chart.plotSizeY*/
					
					// shortcuts
					pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE];
					radius = pointAttr.r;
					
					if (graphic) { // update
						graphic.animate({
							x: plotX,
							y: plotY,
							r: radius
						});
					} else {
						point.graphic = chart.renderer.symbol(
							pick(point.marker && point.marker.symbol, series.symbol),
							plotX,
							plotY, 
							radius
						)
						.attr(pointAttr)
						.add(series.group);
					}
				}
			}
		}
		
	},
	
	/**
	 * Convert state properties from API naming conventions to SVG attributes
	 * 
	 * @param {Object} options API options object
	 * @param {Object} base1 SVG attribute object to inherit from
	 * @param {Object} base2 Second level SVG attribute object to inherit from
	 */
	convertAttribs: function (options, base1, base2, base3) {
		var conversion = this.pointAttrToOptions,
			attr,
			option,
			obj = {};
		
		options = options || {};
		base1 = base1 || {};
		base2 = base2 || {};
		base3 = base3 || {};
		
		for (attr in conversion) {
			option = conversion[attr];
			obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);		 
		}
		return obj;
	},
	
	/**
	 * Get the state attributes. Each series type has its own set of attributes
	 * that are allowed to change on a point's state change. Series wide attributes are stored for
	 * all series, and additionally point specific attributes are stored for all 
	 * points with individual marker options. If such options are not defined for the point,
	 * a reference to the series wide attributes is stored in point.pointAttr.
	 */
	getAttribs: function () {
		var series = this, 
			normalOptions = defaultPlotOptions[series.type].marker ? series.options.marker : series.options,
			stateOptions = normalOptions.states,
			stateOptionsHover = stateOptions[HOVER_STATE],
			pointStateOptionsHover,
			seriesColor = series.color,
			normalDefaults = {
				stroke: seriesColor,
				fill: seriesColor
			},
			data = series.data,
			i,
			point,
			seriesPointAttr = [],
			pointAttr,
			pointAttrToOptions = series.pointAttrToOptions,
			hasPointSpecificOptions,
			key;
			
		// series type specific modifications
		if (series.options.marker) { // line, spline, area, areaspline, scatter
			
			// if no hover radius is given, default to normal radius + 2  
			stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + 2;
			stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + 1;
			
		} else { // column, bar, pie
			
			// if no hover color is given, brighten the normal color
			stateOptionsHover.color = stateOptionsHover.color || 
				Color(stateOptionsHover.color || seriesColor)
					.brighten(stateOptionsHover.brightness).get();
		}
		
		// general point attributes for the series normal state
		seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);
		
		// HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
		each([HOVER_STATE, SELECT_STATE], function (state) {
			seriesPointAttr[state] = 
					series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
		});
				
		// set it
		series.pointAttr = seriesPointAttr;
		
		
		// Generate the point-specific attribute collections if specific point
		// options are given. If not, create a referance to the series wide point 
		// attributes
		i = data.length;
		while (i--) {
			point = data[i];
			normalOptions = (point.options && point.options.marker) || point.options;
			if (normalOptions && normalOptions.enabled === false) {
				normalOptions.radius = 0;
			}
			hasPointSpecificOptions = false;
			
			// check if the point has specific visual options
			if (point.options) {
				for (key in pointAttrToOptions) {
					if (defined(normalOptions[pointAttrToOptions[key]])) {
						hasPointSpecificOptions = true;
					}
				}
			}
			
			
			
			// a specific marker config object is defined for the individual point:
			// create it's own attribute collection
			if (hasPointSpecificOptions) {

				pointAttr = [];
				stateOptions = normalOptions.states || {}; // reassign for individual point
				pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};
				
				// if no hover color is given, brighten the normal color
				if (!series.options.marker) { // column, bar, point
					pointStateOptionsHover.color = 
						Color(pointStateOptionsHover.color || point.options.color)
							.brighten(pointStateOptionsHover.brightness || 
								stateOptionsHover.brightness).get();
				
				}
				
				// normal point state inherits series wide normal state
				pointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, seriesPointAttr[NORMAL_STATE]);
									
				// inherit from point normal and series hover
				pointAttr[HOVER_STATE] = series.convertAttribs(
					stateOptions[HOVER_STATE],
					seriesPointAttr[HOVER_STATE],
					pointAttr[NORMAL_STATE]
				);
				// inherit from point normal and series hover
				pointAttr[SELECT_STATE] = series.convertAttribs(
					stateOptions[SELECT_STATE],
					seriesPointAttr[SELECT_STATE],
					pointAttr[NORMAL_STATE]
				);
				
				
				
			// no marker config object is created: copy a reference to the series-wide
			// attribute collection
			} else {
				pointAttr = seriesPointAttr;
			}
		
			point.pointAttr = pointAttr;

		}

	},

	
	/**
	 * Clear DOM objects and free up memory
	 */
	destroy: function () {
		var series = this,
			chart = series.chart,
			//chartSeries = series.chart.series,
			clipRect = series.clipRect,
			issue134 = /\/5[0-9\.]+ (Safari|Mobile)\//.test(userAgent), // todo: update when Safari bug is fixed
			destroy,
			prop;
		
		// add event hook
		fireEvent(series, 'destroy');
		
		// remove all events
		removeEvent(series);
			
		// remove legend items
		if (series.legendItem) {
			series.chart.legend.destroyItem(series);
		}
		
		// destroy all points with their elements
		each(series.data, function (point) {
			point.destroy();
		});
		// destroy all SVGElements associated to the series
		each(['area', 'graph', 'dataLabelsGroup', 'group', 'tracker'], 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 () {
		if (this.options.dataLabels.enabled) {
			var series = this,
				x, 
				y, 
				data = series.data, 
				options = series.options.dataLabels,
				str, 
				dataLabelsGroup = series.dataLabelsGroup, 
				chart = series.chart,
				renderer = chart.renderer, 
				inverted = chart.inverted,
				seriesType = series.type,
				color,
				stacking = series.options.stacking,
				isBarLike = seriesType === 'column' || seriesType === 'bar',
				vAlignIsNull = options.verticalAlign === null,
				yIsNull = options.y === null;

			if (isBarLike) {
				if (stacking) {
					// In stacked series the default label placement is inside the bars
					if (vAlignIsNull) {
						options = merge(options, {verticalAlign: 'middle'});
					}

					// If no y delta is specified, try to create a good default
					if (yIsNull) {
						options = merge(options, {y: {top: 14, middle: 4, bottom: -6}[options.verticalAlign]}); 
					}
				} else {
					// In non stacked series the default label placement is on top of the bars
					if (vAlignIsNull) {
						options = merge(options, {verticalAlign: 'top'});
					}
				}
			}

			// create a separate group for the data labels to avoid rotation
			if (!dataLabelsGroup) {
				dataLabelsGroup = series.dataLabelsGroup = 
					renderer.g('data-labels')
						.attr({ 
							visibility: series.visible ? VISIBLE : HIDDEN,
							zIndex: 6							
						})
						.translate(chart.plotLeft, chart.plotTop)
						.add();
			}
		
			// determine the color
			color = options.color;
			if (color === 'auto') { // 1.0 backwards compatibility
				color = null;	
			}
			options.style.color = pick(color, series.color, 'black');
		
			// make the labels for each point
			each(data, function (point, i) {
				var barX = point.barX,
					plotX = (barX && barX + point.barW / 2) || point.plotX || -999,
					plotY = pick(point.plotY, -999),
					dataLabel = point.dataLabel,
					align = options.align,
					individualYDelta = yIsNull ? (point.y > 0 ? -6 : 12) : options.y;

				// get the string
				str = options.formatter.call(point.getLabelConfig());
				x = (inverted ? chart.plotWidth - plotY : plotX) + options.x;
				y = (inverted ? chart.plotHeight - plotX : plotY) + individualYDelta;
				
				// in columns, align the string to the column
				if (seriesType === 'column') {
					x += { left: -1, right: 1 }[align] * point.barW / 2 || 0;
				}
				
				if (inverted && point.y < 0) {
					align = 'right';
					x -= 10;
				}

				// update existing label
				if (dataLabel) {
					// vertically centered
					if (inverted && !options.y) {
						y = y + pInt(dataLabel.styles.lineHeight) * 0.9 - dataLabel.getBBox().height / 2;
					}
					dataLabel
						.attr({
							text: str
						}).animate({
							x: x,
							y: y
						});
				// create new label
				} else if (defined(str)) {
					dataLabel = point.dataLabel = renderer.text(
						str, 
						x, 
						y
					)
					.attr({
						align: align,
						rotation: options.rotation,
						zIndex: 1
					})
					.css(options.style)
					.add(dataLabelsGroup);
					// vertically centered
					if (inverted && !options.y) {
						dataLabel.attr({
							y: y + pInt(dataLabel.styles.lineHeight) * 0.9 - dataLabel.getBBox().height / 2
						});
					}
				}
				
				
				/*if (series.isCartesian) {
					dataLabel[chart.isInsidePlot(plotX, plotY) ? 'show' : 'hide']();
				}*/

				if (isBarLike && series.options.stacking) {
					var barY = point.barY,
						barW = point.barW,
						barH = point.barH;

					dataLabel.align(options, null, 
						{
							x: inverted ? chart.plotWidth - barY - barH : barX,
							y: inverted ? chart.plotHeight - barX - barW : barY,
							width: inverted ? barH : barW,
							height: inverted ? barW : barH
						});
				}
			});
		}
	},
	
	/**
	 * Draw the actual graph
	 */
	drawGraph: function (state) {
		var series = this, 
			options = series.options, 
			chart = series.chart,
			graph = series.graph,
			graphPath = [],
			fillColor,
			area = series.area,
			group = series.group,
			color = options.lineColor || series.color, 
			lineWidth = options.lineWidth,
			dashStyle =  options.dashStyle,
			segmentPath,
			renderer = chart.renderer,
			translatedThreshold = series.yAxis.getThreshold(options.threshold || 0),
			useArea = /^area/.test(series.type),
			singlePoints = [], // used in drawTracker
			areaPath = [],
			attribs;
			
		
		// divide into segments and build graph and area paths
		each(series.segments, function (segment) {
			segmentPath = [];
			
			// build the segment line
			each(segment, function (point, i) {

				if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
					segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));
				
				} else {
				
					// moveTo or lineTo
					segmentPath.push(i ? L : M);
					
					// step line?
					if (i && options.step) {
						var lastPoint = segment[i - 1];
						segmentPath.push(
							point.plotX, 
							lastPoint.plotY						
						);
					}
					
					// normal line to next point
					segmentPath.push(
						point.plotX, 
						point.plotY
					);
				}
			});
			
			// 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]);
			}
			
			// build the area
			if (useArea) {
				var areaSegmentPath = [],
					i,
					segLength = segmentPath.length;
				for (i = 0; i < segLength; i++) {
					areaSegmentPath.push(segmentPath[i]);
				}
				if (segLength === 3) { // for animation from 1 to two points
					areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
				}
				if (options.stacking && series.type !== 'areaspline') {
					// follow stack back. Todo: implement areaspline
					for (i = segment.length - 1; i >= 0; i--) {
						areaSegmentPath.push(segment[i].plotX, segment[i].yBottom);
					}
				
				} else { // follow zero line back
					areaSegmentPath.push(
						L,
						segment[segment.length - 1].plotX, 
						translatedThreshold,
						L,
						segment[0].plotX, 
						translatedThreshold
					);
				}
				areaPath = areaPath.concat(areaSegmentPath);
			}
		});

		// used in drawTracker:
		series.graphPath = graphPath;
		series.singlePoints = singlePoints;

		// draw the area if area series or areaspline
		if (useArea) {
			fillColor = pick(
				options.fillColor,
				Color(series.color).setOpacity(options.fillOpacity || 0.75).get()
			);
			if (area) {
				area.animate({ d: areaPath });
			
			} else {
				// draw the area
				series.area = series.chart.renderer.path(areaPath)
					.attr({
						fill: fillColor
					}).add(group);
			}
		}
		
		// draw the graph
		if (graph) {
			//graph.animate({ d: graphPath.join(' ') });
			graph.animate({ d: graphPath });
			
		} else {
			if (lineWidth) {
				attribs = {
					'stroke': color,
					'stroke-width': lineWidth
				};
				if (dashStyle) {
					attribs.dashstyle = dashStyle;
				}
				
				series.graph = renderer.path(graphPath)
					.attr(attribs).add(group).shadow(options.shadow);
			}
		}
	},
	
	
	/**
	 * Render the graph and markers
	 */
	render: function () {
		var series = this,
			chart = series.chart,
			group,
			setInvert,
			options = series.options,
			animation = options.animation,
			doAnimation = animation && series.animate,
			duration = doAnimation ? (animation && animation.duration) || 500 : 0,
			clipRect = series.clipRect,
			renderer = chart.renderer;
			
		
		// Add plot area clipping rectangle. If this is before chart.hasRendered,
		// create one shared clipRect. 
		if (!clipRect) {
			clipRect = series.clipRect = !chart.hasRendered && chart.clipRect ?
				chart.clipRect : 
				renderer.clipRect(0, 0, chart.plotSizeX, chart.plotSizeY);
			if (!chart.clipRect) {
				chart.clipRect = clipRect;
			}
		}
		
			
		// the group
		if (!series.group) {
			group = series.group = renderer.g('series');
				
			if (chart.inverted) {
				setInvert = function () {
					group.attr({
						width: chart.plotWidth,
						height: chart.plotHeight
					}).invert();
				};
				
				setInvert(); // do it now
				addEvent(chart, 'resize', setInvert); // do it on resize
				addEvent(series, 'destroy', function () {
					removeEvent(chart, 'resize', setInvert);
				});
			} 
			group.clip(series.clipRect)
				.attr({ 
					visibility: series.visible ? VISIBLE : HIDDEN,
					zIndex: options.zIndex
				})
				.translate(chart.plotLeft, chart.plotTop)
				.add(chart.seriesGroup);
		}
			
		series.drawDataLabels();

		// initiate the animation
		if (doAnimation) {
			series.animate(true);
		}
		
		// cache attributes for shapes
		//series.getAttribs();
		
		// draw the graph if any
		if (series.drawGraph) {
			series.drawGraph();
		}
		
		// draw the points
		series.drawPoints();
		
		// draw the mouse tracking area
		if (series.options.enableMouseTracking !== false) {
			series.drawTracker();
		}
		
		// run the animation
		if (doAnimation) {
			series.animate();
		}
		
		// finish the individual clipRect
		setTimeout(function () {
			clipRect.isAnimating = false;
			group = series.group; // can be destroyed during the timeout
			if (group && clipRect !== chart.clipRect && clipRect.renderer) {
				group.clip((series.clipRect = chart.clipRect));
				clipRect.destroy();
			}
		}, duration);
		
		
		series.isDirty = false; // means data is in accordance with what you see
		
	},
	
	/**
	 * Redraw the series after an update in the axes.
	 */
	redraw: function () {
		var series = this,
			chart = series.chart,
			clipRect = series.clipRect,
			group = series.group;
		
		/*if (clipRect) {
			stop(clipRect);
			clipRect.animate({ // for chart resize
				width: chart.plotSizeX,
				height: chart.plotSizeY
			});
		}*/
		
		// reposition on resize
		if (group) {
			if (chart.inverted) {
				group.attr({
					width: chart.plotWidth,
					height: chart.plotHeight
				});
			}
			
			group.animate({
				translateX: chart.plotLeft, 
				translateY: chart.plotTop
			});
		}
		
		series.translate();
		series.setTooltipPoints(true);
		series.render();
	},
	
	/**
	 * Set the state of the graph
	 */
	setState: function (state) {
		var series = this,
			options = series.options,
			graph = series.graph,
			stateOptions = options.states,
			lineWidth = options.lineWidth;

		state = state || NORMAL_STATE;
				
		if (series.state !== state) {
			series.state = state;
			
			if (stateOptions[state] && stateOptions[state].enabled === false) {
				return;
			}
		
			if (state) {
				lineWidth = stateOptions[state].lineWidth || lineWidth + 1;
			}
			
			if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
				graph.attr({ // use attr because animate will cause any other animation on the graph to stop
					'stroke-width': lineWidth
				}, state ? 0 : 500);
			}
		}
	},
	
	/**
	 * Set the visibility of the graph
	 * 
	 * @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
	 *        the visibility is toggled.
	 */
	setVisible: function (vis, redraw) {
		var series = this,
			chart = series.chart,
			legendItem = series.legendItem,
			seriesGroup = series.group,
			seriesTracker = series.tracker,
			dataLabelsGroup = series.dataLabelsGroup,
			showOrHide,
			i,
			data = series.data,
			point,
			ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
			oldVisibility = series.visible;
		
		// if called without an argument, toggle visibility
		series.visible = vis = vis === UNDEFINED ? !oldVisibility : vis;
		showOrHide = vis ? 'show' : 'hide';
		
		// show or hide series
		if (seriesGroup) { // pies don't have one
			seriesGroup[showOrHide]();
		}
		
		// show or hide trackers
		if (seriesTracker) {
			seriesTracker[showOrHide]();
		} else {
			i = data.length;
			while (i--) {
				point = data[i];
				if (point.tracker) {
					point.tracker[showOrHide]();
				}
			}
		}
		
		
		if (dataLabelsGroup) {
			dataLabelsGroup[showOrHide]();
		}
		
		if (legendItem) {
			chart.legend.colorizeItem(series, vis);
		}
			
		
		// rescale or adapt to resized chart
		series.isDirty = true;
		// in a stack, all other series are affected
		if (series.options.stacking) {
			each(chart.series, function (otherSeries) {
				if (otherSeries.options.stacking && otherSeries.visible) { 
					otherSeries.isDirty = true;
				}
			});
		}
		
		if (ignoreHiddenSeries) {
			chart.isDirtyBox = true;
		}
		if (redraw !== false) {
			chart.redraw();
		}
		
		fireEvent(series, showOrHide);
	},
	
	/**
	 * Show the graph
	 */
	show: function () {
		this.setVisible(true);
	},
	
	/**
	 * Hide the graph
	 */
	hide: function () {
		this.setVisible(false);
	},
	
	
	/**
	 * Set the selected state of the graph
	 * 
	 * @param selected {Boolean} True to select the series, false to unselect. If
	 *        UNDEFINED, the selection state is toggled.
	 */
	select: function (selected) {
		var series = this;
		// if called without an argument, toggle
		series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;

		if (series.checkbox) {
			series.checkbox.checked = selected;
		}
		
		fireEvent(series, selected ? 'select' : 'unselect');
	},
	
	
	/**
	 * 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,
			trackerPath = [].concat(series.graphPath),
			trackerPathLength = trackerPath.length,
			chart = series.chart,
			snap = chart.options.tooltip.snap,
			tracker = series.tracker,
			cursor = options.cursor,
			css = cursor && { cursor: cursor },
			singlePoints = series.singlePoints,
			singlePoint,
			i;
	
		// Extend end points. A better way would be to use round linecaps,
		// but those are not clickable in VML.
		if (trackerPathLength) {
			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 = chart.renderer.path(trackerPath)
				.attr({
					isTracker: true,
					stroke: TRACKER_FILL,
					fill: NONE,
					'stroke-width' : options.lineWidth + 2 * snap,
					visibility: series.visible ? VISIBLE : HIDDEN,
					zIndex: 1
				})
				.on(hasTouch ? 'touchstart' : 'mouseover', function () {
					if (chart.hoverSeries !== series) {
						series.onMouseOver();
					}
				})
				.on('mouseout', function () {
					if (!options.stickyTracking) {
						series.onMouseOut();
					}
				})
				.css(css)
				.add(chart.trackerGroup);
		}
		
	}
	
}; // end Series prototype


/**
 * LineSeries object
 */
var LineSeries = extendClass(Series);
seriesTypes.line = LineSeries;

/**
 * AreaSeries object
 */
var AreaSeries = extendClass(Series, {
	type: 'area'
});
seriesTypes.area = AreaSeries;




/**
 * SplineSeries object
 */
var SplineSeries = extendClass(Series, {
	type: 'spline',
	
	/**
	 * Draw the actual graph
	 */
	getPointSpline: function (segment, point, i) {
		var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
			denom = smoothing + 1,
			plotX = point.plotX,
			plotY = point.plotY,
			lastPoint = segment[i - 1],
			nextPoint = segment[i + 1],
			leftContX,
			leftContY,
			rightContX,
			rightContY,
			ret;
			
		// find control points
		if (i && i < segment.length - 1) {
			var lastX = lastPoint.plotX,
				lastY = lastPoint.plotY,
				nextX = nextPoint.plotX,
				nextY = nextPoint.plotY,
				correction;
			
			leftContX = (smoothing * plotX + lastX) / denom;
			leftContY = (smoothing * plotY + lastY) / denom;
			rightContX = (smoothing * plotX + nextX) / denom;
			rightContY = (smoothing * plotY + nextY) / denom;
		
			// have the two control points make a straight line through main point
			correction = ((rightContY - leftContY) * (rightContX - plotX)) / 
				(rightContX - leftContX) + plotY - rightContY;
				
			leftContY += correction;
			rightContY += correction;
			
			// to prevent false extremes, check that control points are between
			// neighbouring points' y values
			if (leftContY > lastY && leftContY > plotY) {
				leftContY = mathMax(lastY, plotY);
				rightContY = 2 * plotY - leftContY; // mirror of left control point
			} else if (leftContY < lastY && leftContY < plotY) {
				leftContY = mathMin(lastY, plotY);
				rightContY = 2 * plotY - leftContY;
			} 
			if (rightContY > nextY && rightContY > plotY) {
				rightContY = mathMax(nextY, plotY);
				leftContY = 2 * plotY - rightContY;
			} else if (rightContY < nextY && rightContY < plotY) {
				rightContY = mathMin(nextY, plotY);
				leftContY = 2 * plotY - rightContY;
			}
			
			// record for drawing in next point
			point.rightContX = rightContX;
			point.rightContY = rightContY;
			
		}
		
		// moveTo or lineTo
		if (!i) {
			ret = [M, plotX, plotY];
		} else { // curve from last point to this
			ret = [
				'C',
				lastPoint.rightContX || lastPoint.plotX, 
				lastPoint.rightContY || lastPoint.plotY,
				leftContX || plotX, 
				leftContY || plotY,
				plotX, 
				plotY
			];
			lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
		}
		return ret;
	}
});
seriesTypes.spline = SplineSeries;



/**
 * AreaSplineSeries object
 */
var AreaSplineSeries = extendClass(SplineSeries, {
	type: 'areaspline'
});
seriesTypes.areaspline = AreaSplineSeries;

/**
 * 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'
	},
	init: function () {
		Series.prototype.init.apply(this, arguments);
		
		var series = this,
			chart = series.chart;
		
		// flag the chart in order to pad the x axis
		chart.hasColumn = true;
		
		// if the series is added dynamically, force redraw of other
		// series affected by a new column
		if (chart.hasRendered) {
			each(chart.series, function (otherSeries) {
				if (otherSeries.type === series.type) {
					otherSeries.isDirty = true;
				}
			});
		}
	},
	
	/**
	 * Translate each point to the plot area coordinate system and find shape positions
	 */
	translate: function () {
		var series = this,
			chart = series.chart,
			options = series.options,
			stacking = options.stacking,
			borderWidth = options.borderWidth,
			columnCount = 0,
			reversedXAxis = series.xAxis.reversed,
			categories = series.xAxis.categories,
			stackGroups = {},
			stackKey,
			columnIndex;
		
		Series.prototype.translate.apply(series);
		
		// Get the total number of column type series.
		// This is called on every series. Consider moving this logic to a 
		// chart.orderStacks() function and call it on init, addSeries and removeSeries
		each(chart.series, function (otherSeries) {
			if (otherSeries.type === series.type && otherSeries.visible) {
				if (otherSeries.options.stacking) {
					stackKey = otherSeries.stackKey;
					if (stackGroups[stackKey] === UNDEFINED) {
						stackGroups[stackKey] = columnCount++;	
					}					
					columnIndex = stackGroups[stackKey];
				} else {
					columnIndex = columnCount++;
				}
				otherSeries.columnIndex = columnIndex;
			}
		});
		
		// calculate the width and position of each column based on 
		// the number of column series in the plot, the groupPadding
		// and the pointPadding options
		var data = series.data,
			closestPoints = series.closestPoints,
			categoryWidth = mathAbs(
				data[1] ? data[closestPoints].plotX - data[closestPoints - 1].plotX : 
				chart.plotSizeX / ((categories && categories.length) || 1)
			),
			groupPadding = categoryWidth * options.groupPadding,
			groupWidth = categoryWidth - 2 * groupPadding,
			pointOffsetWidth = groupWidth / columnCount,
			optionPointWidth = options.pointWidth,
			pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 : 
				pointOffsetWidth * options.pointPadding,
			pointWidth = mathMax(pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), 1),
			colIndex = (reversedXAxis ? columnCount - 
				series.columnIndex : series.columnIndex) || 0,
			pointXOffset = pointPadding + (groupPadding + colIndex *
				pointOffsetWidth - (categoryWidth / 2)) *
				(reversedXAxis ? -1 : 1),
			threshold = options.threshold || 0,
			translatedThreshold = series.yAxis.getThreshold(threshold),
			minPointLength = pick(options.minPointLength, 5);
		
		// record the new values
		each(data, function (point) {
			var plotY = point.plotY,
				yBottom = point.yBottom || translatedThreshold,
				barX = point.plotX + pointXOffset,
				barY = mathCeil(mathMin(plotY, yBottom)), 
				barH = mathCeil(mathMax(plotY, yBottom) - barY),
				stack = series.yAxis.stacks[(point.y < 0 ? '-' : '') + series.stackKey],
				trackerY,
				shapeArgs;
			
			// Record the offset'ed position and width of the bar to be able to align the stacking total correctly
			if (stacking && series.visible && stack && stack[point.x]) {
				stack[point.x].setOffset(pointXOffset, pointWidth);
			}
			
			// handle options.minPointLength and tracker for small points
			if (mathAbs(barH) < minPointLength) { 
				if (minPointLength) {
					barH = minPointLength;
					barY = 
						mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
							yBottom - minPointLength : // keep position
							translatedThreshold - (plotY <= translatedThreshold ? minPointLength : 0);
				}
				trackerY = barY - 3;
			}
			
			extend(point, {
				barX: barX,
				barY: barY, 
				barW: pointWidth,
				barH: barH
			});
			
			// create shape type and shape args that are reused in drawPoints and drawTracker
			point.shapeType = 'rect';
			shapeArgs = extend(chart.renderer.Element.prototype.crisp.apply({}, [
				borderWidth,
				barX,
				barY,
				pointWidth,
				barH
			]), {
				r: options.borderRadius
			});
			if (borderWidth % 2) { // correct for shorting in crisp method, visible in stacked columns with 1px border
				shapeArgs.y -= 1;
				shapeArgs.height += 1;
			}
			point.shapeArgs = shapeArgs;
			
			// make small columns responsive to mouse
			point.trackerArgs = defined(trackerY) && merge(point.shapeArgs, {
				height: mathMax(6, barH + 3),
				y: trackerY
			});
		});
		
	},
	
	getSymbol: function () {
	},
	
	/** 
	 * Columns have no graph
	 */
	drawGraph: function () {},
	
	/**
	 * Draw the columns. For bars, the series.group is rotated, so the same coordinates
	 * apply for columns and bars. This method is inherited by scatter series.
	 * 
	 */
	drawPoints: function () {
		var series = this,
			options = series.options,
			renderer = series.chart.renderer,
			graphic,
			shapeArgs;		
		
		
		// draw the columns
		each(series.data, function (point) {			
			var plotY = point.plotY;
			if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
				graphic = point.graphic;
				shapeArgs = point.shapeArgs;
				if (graphic) { // update
					stop(graphic);
					graphic.animate(shapeArgs);
				
				} else {
					point.graphic = renderer[point.shapeType](shapeArgs)
						.attr(point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE])
						.add(series.group)
						.shadow(options.shadow);
				}
			
			}
		});
	},
	/**
	 * Draw the individual tracker elements.
	 * This method is inherited by scatter and pie charts too.
	 */
	drawTracker: function () {
		var series = this,
			chart = series.chart,
			renderer = chart.renderer,
			shapeArgs,
			tracker,
			trackerLabel = +new Date(),
			cursor = series.options.cursor,
			css = cursor && { cursor: cursor },
			rel;
			
		each(series.data, function (point) {
			tracker = point.tracker;
			shapeArgs = point.trackerArgs || point.shapeArgs;
			delete shapeArgs.strokeWidth;
			if (point.y !== null) {
				if (tracker) {// update
					tracker.attr(shapeArgs);
					
				} else {
					point.tracker = 
						renderer[point.shapeType](shapeArgs)
						.attr({
							isTracker: trackerLabel,
							fill: TRACKER_FILL,
							visibility: series.visible ? VISIBLE : HIDDEN,
							zIndex: 1
						})
						.on(hasTouch ? 'touchstart' : 'mouseover', function (event) {
							rel = event.relatedTarget || event.fromElement;
							if (chart.hoverSeries !== series && attr(rel, 'isTracker') !== trackerLabel) {
								series.onMouseOver();
							}
							point.onMouseOver();
							
						})
						.on('mouseout', function (event) {
							if (!series.options.stickyTracking) {
								rel = event.relatedTarget || event.toElement;
								if (attr(rel, 'isTracker') !== trackerLabel) {
									series.onMouseOut();
								}
							}
						})
						.css(css)
						.add(point.group || chart.trackerGroup); // pies have point group - see issue #118
				}
			}
		});
	},
	
	
	/**
	 * Animate the column heights one by one from zero
	 * @param {Boolean} init Whether to initialize the animation or run it 
	 */
	animate: function (init) {
		var series = this,
			data = series.data;
			
		if (!init) { // run the animation
			/*
			 * Note: Ideally the animation should be initialized by calling
			 * series.group.hide(), and then calling series.group.show()
			 * after the animation was started. But this rendered the shadows
			 * invisible in IE8 standards mode. If the columns flicker on large
			 * datasets, this is the cause.
			 */
			
			each(data, function (point) {
				var graphic = point.graphic,
					shapeArgs = point.shapeArgs;
				
				if (graphic) {
					// start values
					graphic.attr({ 
						height: 0,
						y: series.yAxis.translate(0, 0, 1)
					});
					
					// animate
					graphic.animate({ 
						height: shapeArgs.height,
						y: shapeArgs.y
					}, 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;

var BarSeries = extendClass(ColumnSeries, {
	type: 'bar',
	init: function (chart) {
		chart.inverted = this.inverted = true;
		ColumnSeries.prototype.init.apply(this, arguments);
	}
});
seriesTypes.bar = BarSeries;

/**
 * The scatter series class
 */
var ScatterSeries = extendClass(Series, {
	type: 'scatter',
	
	/**
	 * Extend the base Series' translate method by adding shape type and
	 * arguments for the point trackers
	 */
	translate: function () {
		var series = this;

		Series.prototype.translate.apply(series);

		each(series.data, function (point) {
			point.shapeType = 'circle';
			point.shapeArgs = {
				x: point.plotX,
				y: point.plotY,
				r: series.chart.options.tooltip.snap
			};
		});
	},
	
	
	/**
	 * Create individual tracker elements for each point
	 */
	//drawTracker: ColumnSeries.prototype.drawTracker,
	drawTracker: function () {
		var series = this,
			cursor = series.options.cursor,
			css = cursor && { cursor: cursor },
			graphic;
			
		each(series.data, function (point) {
			graphic = point.graphic;
			if (graphic) { // doesn't exist for null points
				graphic
					.attr({ isTracker: true })
					.on('mouseover', function (event) {
						series.onMouseOver();
						point.onMouseOver();					
					})
					.on('mouseout', function (event) {
						if (!series.options.stickyTracking) {
							series.onMouseOut();
						}
					})
					.css(css);
			}
		});

	},
	
	/**
	 * Cleaning the data is not necessary in a scatter plot
	 */
	cleanData: function () {}
});
seriesTypes.scatter = ScatterSeries;

/**
 * Extended point object for pies
 */
var PiePoint = extendClass(Point, {
	/**
	 * Initiate the pie slice
	 */
	init: function () {
		
		Point.prototype.init.apply(this, arguments);
		
		var point = this,
			toggleSlice;
		
		//visible: options.visible !== false,
		extend(point, {
			visible: point.visible !== false,
			name: pick(point.name, 'Slice')
		});
		
		// add event listener for select
		toggleSlice = function () {
			point.slice();
		};
		addEvent(point, 'select', toggleSlice);
		addEvent(point, 'unselect', toggleSlice);
		
		return point;
	},
	
	/**
	 * Toggle the visibility of the pie slice
	 * @param {Boolean} vis Whether to show the slice or not. If undefined, the
	 *    visibility is toggled
	 */
	setVisible: function (vis) {	
		var point = this, 
			chart = point.series.chart,
			tracker = point.tracker,
			dataLabel = point.dataLabel,
			connector = point.connector,
			shadowGroup = point.shadowGroup,
			method;
		
		// if called without an argument, toggle visibility
		point.visible = vis = vis === UNDEFINED ? !point.visible : vis;
		
		method = vis ? 'show' : 'hide';
		
		point.group[method]();
		if (tracker) {
			tracker[method]();
		}
		if (dataLabel) {
			dataLabel[method]();
		}
		if (connector) {
			connector[method]();
		}
		if (shadowGroup) {
			shadowGroup[method]();
		}
		if (point.legendItem) {
			chart.legend.colorizeItem(point, vis);
		}
	},
	
	/**
	 * Set or toggle whether the slice is cut out from the pie
	 * @param {Boolean} sliced When undefined, the slice state is toggled 
	 * @param {Boolean} redraw Whether to redraw the chart. True by default.
	 */
	slice: function (sliced, redraw, animation) {
		var point = this,
			series = point.series,
			chart = series.chart,
			slicedTranslation = point.slicedTranslation,
			translation;
			
		setAnimation(animation, chart);
		
		// redraw is true by default
		redraw = pick(redraw, true);
			
		// if called without an argument, toggle
		sliced = point.sliced = defined(sliced) ? sliced : !point.sliced;
		
		translation = {
			translateX: (sliced ? slicedTranslation[0] : chart.plotLeft),
			translateY: (sliced ? slicedTranslation[1] : chart.plotTop)
		};
		point.group.animate(translation);
		if (point.shadowGroup) {
			point.shadowGroup.animate(translation);
		}
		
	}
});

/**
 * The Pie series class
 */
var PieSeries = extendClass(Series, {
	type: 'pie',
	isCartesian: false,
	pointClass: PiePoint,
	pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
		stroke: 'borderColor',
		'stroke-width': 'borderWidth',
		fill: 'color'
	},
	
	/**
	 * Pies have one color each point
	 */
	getColor: function () {
		// record first color for use in setData
		this.initialColor = this.chart.counters.color;
	},
	
	/**
	 * Animate the column heights one by one from zero
	 * @param {Boolean} init Whether to initialize the animation or run it 
	 */
	animate: function (init) {
		var series = this,
			data = series.data;
			
		each(data, function (point) {
			var graphic = point.graphic,
				args = point.shapeArgs,
				up = -mathPI / 2;
			
			if (graphic) {
				// start values
				graphic.attr({ 
					r: 0,
					start: up,
					end: up
				});
				
				// animate
				graphic.animate({ 
					r: args.r,
					start: args.start,
					end: args.end
				}, series.options.animation);
			}
		});
		
		// delete this function to allow it only once
		series.animate = null;
		
	},
	/**
	 * Do translation for pie slices
	 */
	translate: function () {
		var total = 0,
			series = this,
			cumulative = -0.25, // start at top
			precision = 1000, // issue #172
			options = series.options,
			slicedOffset = options.slicedOffset,
			connectorOffset = slicedOffset + options.borderWidth,
			positions = options.center.concat([options.size, options.innerSize || 0]),
			chart = series.chart,
			plotWidth = chart.plotWidth,
			plotHeight = chart.plotHeight,
			start,
			end,
			angle,
			data = series.data,
			circ = 2 * mathPI,
			fraction,
			smallestSize = mathMin(plotWidth, plotHeight),
			isPercent,
			radiusX, // the x component of the radius vector for a given point
			radiusY,
			labelDistance = options.dataLabels.distance;
			
		// get positions - either an integer or a percentage string must be given
		positions = map(positions, function (length, i) {
			
			isPercent = /%$/.test(length);			
			return isPercent ? 
				// i == 0: centerX, relative to width
				// i == 1: centerY, relative to height
				// i == 2: size, relative to smallestSize
				// i == 4: innerSize, relative to smallestSize
				[plotWidth, plotHeight, smallestSize, smallestSize][i] *
					pInt(length) / 100 :
				length;
		});
		
		// 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));
		};
		
		// set center for later use
		series.center = positions;
					
		// get the total sum
		each(data, function (point) {
			total += point.y;
		});
		
		each(data, function (point) {
			// set start and end angle
			fraction = total ? point.y / total : 0;
			start = mathRound(cumulative * circ * precision) / precision;
			cumulative += fraction;
			end = mathRound(cumulative * circ * precision) / precision;
			
			// set the shape
			point.shapeType = 'arc';
			point.shapeArgs = {
				x: positions[0],
				y: positions[1],
				r: positions[2] / 2,
				innerR: positions[3] / 2,
				start: start,
				end: end
			};
			
			// center for the sliced out slice
			angle = (end + start) / 2;
			point.slicedTranslation = map([
				mathCos(angle) * slicedOffset + chart.plotLeft, 
				mathSin(angle) * slicedOffset + chart.plotTop
			], mathRound);
			
			// set the anchor point for tooltips
			radiusX = mathCos(angle) * positions[2] / 2;
			radiusY = mathSin(angle) * positions[2] / 2;
			point.tooltipPos = [
				positions[0] + radiusX * 0.7,
				positions[1] + radiusY * 0.7
			];
			
			// set the anchor point for data labels			
			point.labelPos = [
				positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
				positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
				positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
				positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
				positions[0] + radiusX, // landing point for connector
				positions[1] + radiusY, // a/a
				labelDistance < 0 ? // alignment
					'center' :
					angle < circ / 4 ? 'left' : 'right', // alignment
				angle // center angle
			];
			
			// API properties
			point.percentage = fraction * 100;
			point.total = total;
			
		});
		
		
		this.setTooltipPoints();
	},
	
	/**
	 * Render the slices
	 */
	render: function () {
		var series = this;
			
		// cache attributes for shapes
		//series.getAttribs();

		this.drawPoints();
		
		// draw the mouse tracking area
		if (series.options.enableMouseTracking !== false) {
			series.drawTracker();
		}
		
		this.drawDataLabels();
		
		if (series.options.animation && series.animate) {
			series.animate();
		}
		
		series.isDirty = false; // means data is in accordance with what you see
	},
	
	/**
	 * Draw the data points
	 */
	drawPoints: function () {
		var series = this,
			chart = series.chart,
			renderer = chart.renderer,
			groupTranslation,
			//center,
			graphic,
			group,
			shadow = series.options.shadow,
			shadowGroup,
			shapeArgs;
			
		
		// draw the slices
		each(series.data, function (point) {
			graphic = point.graphic;
			shapeArgs = point.shapeArgs;
			group = point.group;
			shadowGroup = point.shadowGroup;

			// put the shadow behind all points
			if (shadow && !shadowGroup) {
				shadowGroup = point.shadowGroup = renderer.g('shadow')
					.attr({ zIndex: 4 })
					.add();
			}
		
			// create the group the first time
			if (!group) {
				group = point.group = renderer.g('point')
					.attr({ zIndex: 5 })
					.add();
			}
			
			// if the point is sliced, use special translation, else use plot area traslation
			groupTranslation = point.sliced ? point.slicedTranslation : [chart.plotLeft, chart.plotTop];
			group.translate(groupTranslation[0], groupTranslation[1]);
			if (shadowGroup) {
				shadowGroup.translate(groupTranslation[0], groupTranslation[1]);
			}
				
			
			// draw the slice
			if (graphic) {
				graphic.animate(shapeArgs);
			} else {
				point.graphic = 
					renderer.arc(shapeArgs)
					.attr(extend(
						point.pointAttr[NORMAL_STATE],
						{ 'stroke-linejoin': 'round' }
					))
					.add(point.group)
					.shadow(shadow, shadowGroup);
			}
			
			// detect point specific visibility
			if (point.visible === false) {
				point.setVisible(false);
			}
					
		});
		
	},
	
	/**
	 * Override the base drawDataLabels method by pie specific functionality
	 */
	drawDataLabels: function () {
		var series = this,
			data = series.data,
			point,
			chart = series.chart,
			options = series.options.dataLabels,
			connectorPadding = pick(options.connectorPadding, 10),
			connectorWidth = pick(options.connectorWidth, 1),
			connector,
			connectorPath,
			distanceOption = options.distance,
			seriesCenter = series.center,
			radius = seriesCenter[2] / 2,
			centerY = seriesCenter[1],
			outside = distanceOption > 0,
			dataLabel,
			labelPos,
			labelHeight,
			lastY,
			halves = [// divide the points into right and left halves for anti collision
				[], // right
				[]  // left
			],
			x,
			y,
			visibility,
			overlapping,
			rankArr,
			secondPass,
			sign,
			lowerHalf,
			sort,
			i = 2,
			j;
			
		// get out if not enabled
		if (!options.enabled) {
			return;
		}
			
		// run parent method
		Series.prototype.drawDataLabels.apply(series);
		
		// arrange points for detection collision
		each(data, function (point) {
			halves[
				point.labelPos[7] < mathPI / 2 ? 0 : 1
			].push(point);
		});
		halves[1].reverse();
		
		// define the sorting algorithm
		sort = function (a, b) {
			return b.y - a.y;
		};
		
		// assume equal label heights
		labelHeight = halves[0][0] && halves[0][0].dataLabel && pInt(halves[0][0].dataLabel.styles.lineHeight);
			
		/* Loop over the points in each quartile, starting from the top and bottom
		 * of the pie to detect overlapping labels.
		 */
		while (i--) {
			
			var slots = [],
				slotsLength,
				usedSlots = [],
				points = halves[i],
				pos,
				length = points.length,
				slotIndex;
			
			lowerHalf = i % 3;
			sign = lowerHalf ? 1 : -1;
			
			// build the slots
			for (pos = centerY - radius - distanceOption; pos <= centerY + radius + distanceOption; pos += labelHeight) {
				slots.push(pos);
				// visualize the slot 
				/*	
				var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
					slotY = pos + chart.plotTop;
				if (!isNaN(slotX)) {
					chart.renderer.rect(slotX, slotY - 7, 100, labelHeight)
						.attr({
							'stroke-width': 1,
							stroke: 'silver'
						})
						.add(); 
					chart.renderer.text('Slot '+ (slots.length - 1), slotX, slotY + 4)
						.attr({
							fill: 'silver'
						}).add();
				}
				// */
			}
			slotsLength = slots.length;
			
			// if there are more values than available slots, remove lowest values
			if (length > slotsLength) {
				// create an array for sorting and ranking the points within each quarter
				rankArr = [].concat(points);
				rankArr.sort(sort);
				j = length;
				while (j--) {
					rankArr[j].rank = j;
				}
				j = length;
				while (j--) {
					if (points[j].rank >= slotsLength) {
						points.splice(j, 1);		
					}
				}
				length = points.length;
			}
				
			// The label goes to the nearest open slot, but not closer to the edge than
			// the label's index.				
			for (j = 0; j < length; j++) {
				
				point = points[j];
				labelPos = point.labelPos;	
				
				var closest = 9999,
					distance,
					slotI;
				
				// find the closest slot index
				for (slotI = 0; slotI < slotsLength; slotI++) {
					distance = mathAbs(slots[slotI] - labelPos[1]);
					if (distance < closest) {
						closest = distance;
						slotIndex = slotI;
					}
				}
				
				// if that slot index is closer to the edges of the slots, move it
				// to the closest appropriate slot
				if (slotIndex < j && slots[j] !== null) { // cluster at the top
					slotIndex = j;
				} else if (slotsLength  < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
					slotIndex = slotsLength - length + j;
				} 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) {
						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++) {
				
				point = points[j];
				labelPos = point.labelPos;
				dataLabel = point.dataLabel;
				var slot = usedSlots.pop(),
					naturalY = labelPos[1];

				visibility = point.visible === false ? HIDDEN : VISIBLE;
				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;
				}
				
				// get the x
				x = series.getX(y, i);
				
				// move or place the data label
				dataLabel
					.attr({
						visibility: visibility,
						align: labelPos[6]
					})[dataLabel.moved ? 'animate' : 'attr']({
						x: x + options.x + 
							({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
						y: y + options.y
					});
				dataLabel.moved = true;
				
				// draw the connector
				if (outside && connectorWidth) {
					connector = point.connector;
						
					connectorPath = [
						M,
						x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
						L,
						x, y, // first break, next to 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 || '#606060',
							visibility: visibility,
							zIndex: 3
						})
						.translate(chart.plotLeft, chart.plotTop)
						.add();
					}
				}
			}
		}
	},
	
	/**
	 * Draw point specific tracker objects. Inherit directly from column series.
	 */
	drawTracker: ColumnSeries.prototype.drawTracker,
	
	/**
	 * Pies don't have point marker symbols
	 */
	getSymbol: function () {}
	
});
seriesTypes.pie = PieSeries;


// global variables
win.Highcharts = {
	Chart: Chart,
	dateFormat: dateFormat,
	pathAnim: pathAnim,
	getOptions: getOptions,
	numberFormat: numberFormat,
	Point: Point,
	Color: Color,
	Renderer: Renderer,
	seriesTypes: seriesTypes,
	setOptions: setOptions,
	Series: Series,
		
	// Expose utility funcitons for modules
	addEvent: addEvent,
	createElement: createElement,
	discardElement: discardElement,
	css: css,
	each: each,
	extend: extend,
	map: map,
	merge: merge,
	pick: pick,
	extendClass: extendClass,
	product: '@product.name@',
	version: '@product.version@'
};
}());