/**
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* @license Highcharts JS v4.0.3 (2014-07-03)
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*
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* Standalone Highcharts Framework
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*
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* License: MIT License
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*/
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/*global Highcharts */
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var HighchartsAdapter = (function () {
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var UNDEFINED,
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doc = document,
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emptyArray = [],
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timers = [],
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timerId,
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Fx;
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Math.easeInOutSine = function (t, b, c, d) {
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return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
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};
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/**
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* Extend given object with custom events
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*/
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function augment(obj) {
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function removeOneEvent(el, type, fn) {
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el.removeEventListener(type, fn, false);
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}
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function IERemoveOneEvent(el, type, fn) {
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fn = el.HCProxiedMethods[fn.toString()];
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el.detachEvent('on' + type, fn);
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}
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function removeAllEvents(el, type) {
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var events = el.HCEvents,
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remove,
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types,
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len,
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n;
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if (el.removeEventListener) {
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remove = removeOneEvent;
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} else if (el.attachEvent) {
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remove = IERemoveOneEvent;
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} else {
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return; // break on non-DOM events
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}
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if (type) {
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types = {};
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types[type] = true;
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} else {
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types = events;
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}
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for (n in types) {
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if (events[n]) {
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len = events[n].length;
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while (len--) {
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remove(el, n, events[n][len]);
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}
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}
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}
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}
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if (!obj.HCExtended) {
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Highcharts.extend(obj, {
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HCExtended: true,
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HCEvents: {},
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bind: function (name, fn) {
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var el = this,
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events = this.HCEvents,
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wrappedFn;
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// handle DOM events in modern browsers
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if (el.addEventListener) {
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el.addEventListener(name, fn, false);
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// handle old IE implementation
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} else if (el.attachEvent) {
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wrappedFn = function (e) {
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e.target = e.srcElement || window; // #2820
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fn.call(el, e);
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};
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if (!el.HCProxiedMethods) {
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el.HCProxiedMethods = {};
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}
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// link wrapped fn with original fn, so we can get this in removeEvent
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el.HCProxiedMethods[fn.toString()] = wrappedFn;
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el.attachEvent('on' + name, wrappedFn);
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}
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if (events[name] === UNDEFINED) {
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events[name] = [];
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}
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events[name].push(fn);
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},
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unbind: function (name, fn) {
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var events,
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index;
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if (name) {
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events = this.HCEvents[name] || [];
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if (fn) {
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index = HighchartsAdapter.inArray(fn, events);
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if (index > -1) {
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events.splice(index, 1);
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this.HCEvents[name] = events;
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}
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if (this.removeEventListener) {
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removeOneEvent(this, name, fn);
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} else if (this.attachEvent) {
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IERemoveOneEvent(this, name, fn);
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}
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} else {
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removeAllEvents(this, name);
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this.HCEvents[name] = [];
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}
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} else {
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removeAllEvents(this);
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this.HCEvents = {};
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}
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},
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trigger: function (name, args) {
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var events = this.HCEvents[name] || [],
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target = this,
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len = events.length,
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i,
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preventDefault,
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fn;
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// Attach a simple preventDefault function to skip default handler if called
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preventDefault = function () {
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args.defaultPrevented = true;
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};
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for (i = 0; i < len; i++) {
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fn = events[i];
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// args is never null here
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if (args.stopped) {
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return;
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}
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args.preventDefault = preventDefault;
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args.target = target;
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// If the type is not set, we're running a custom event (#2297). If it is set,
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// we're running a browser event, and setting it will cause en error in
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// IE8 (#2465).
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if (!args.type) {
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args.type = name;
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}
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// If the event handler return false, prevent the default handler from executing
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if (fn.call(this, args) === false) {
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args.preventDefault();
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}
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}
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}
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});
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}
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return obj;
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}
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return {
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/**
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* Initialize the adapter. This is run once as Highcharts is first run.
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*/
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init: function (pathAnim) {
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/**
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* Compatibility section to add support for legacy IE. This can be removed if old IE
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* support is not needed.
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*/
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if (!doc.defaultView) {
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this._getStyle = function (el, prop) {
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var val;
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if (el.style[prop]) {
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return el.style[prop];
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} else {
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if (prop === 'opacity') {
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prop = 'filter';
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}
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/*jslint unparam: true*/
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val = el.currentStyle[prop.replace(/\-(\w)/g, function (a, b) { return b.toUpperCase(); })];
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if (prop === 'filter') {
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val = val.replace(
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/alpha\(opacity=([0-9]+)\)/,
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function (a, b) {
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return b / 100;
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}
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);
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}
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/*jslint unparam: false*/
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return val === '' ? 1 : val;
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}
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};
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this.adapterRun = function (elem, method) {
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var alias = { width: 'clientWidth', height: 'clientHeight' }[method];
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if (alias) {
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elem.style.zoom = 1;
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return elem[alias] - 2 * parseInt(HighchartsAdapter._getStyle(elem, 'padding'), 10);
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}
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};
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}
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if (!Array.prototype.forEach) {
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this.each = function (arr, fn) { // legacy
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var i = 0,
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len = arr.length;
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for (; i < len; i++) {
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if (fn.call(arr[i], arr[i], i, arr) === false) {
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return i;
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}
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}
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};
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}
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if (!Array.prototype.indexOf) {
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this.inArray = function (item, arr) {
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var len,
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i = 0;
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if (arr) {
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len = arr.length;
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for (; i < len; i++) {
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if (arr[i] === item) {
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return i;
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}
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}
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}
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return -1;
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};
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}
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if (!Array.prototype.filter) {
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this.grep = function (elements, callback) {
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var ret = [],
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i = 0,
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length = elements.length;
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for (; i < length; i++) {
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if (!!callback(elements[i], i)) {
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ret.push(elements[i]);
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}
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}
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return ret;
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};
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}
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//--- End compatibility section ---
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/**
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* Start of animation specific code
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*/
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Fx = function (elem, options, prop) {
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this.options = options;
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this.elem = elem;
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this.prop = prop;
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};
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Fx.prototype = {
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update: function () {
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var styles,
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paths = this.paths,
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elem = this.elem,
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elemelem = elem.element; // if destroyed, it is null
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// Animating a path definition on SVGElement
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if (paths && elemelem) {
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elem.attr('d', pathAnim.step(paths[0], paths[1], this.now, this.toD));
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// Other animations on SVGElement
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} else if (elem.attr) {
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if (elemelem) {
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elem.attr(this.prop, this.now);
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}
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// HTML styles
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} else {
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styles = {};
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styles[this.prop] = this.now + this.unit;
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Highcharts.css(elem, styles);
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}
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if (this.options.step) {
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this.options.step.call(this.elem, this.now, this);
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}
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},
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custom: function (from, to, unit) {
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var self = this,
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t = function (gotoEnd) {
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return self.step(gotoEnd);
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},
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i;
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this.startTime = +new Date();
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this.start = from;
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this.end = to;
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this.unit = unit;
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this.now = this.start;
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this.pos = this.state = 0;
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t.elem = this.elem;
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if (t() && timers.push(t) === 1) {
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timerId = setInterval(function () {
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for (i = 0; i < timers.length; i++) {
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if (!timers[i]()) {
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timers.splice(i--, 1);
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}
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}
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if (!timers.length) {
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clearInterval(timerId);
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}
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}, 13);
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}
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},
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step: function (gotoEnd) {
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var t = +new Date(),
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ret,
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done,
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options = this.options,
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elem = this.elem,
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i;
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if (elem.stopAnimation || (elem.attr && !elem.element)) { // #2616, element including flag is destroyed
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ret = false;
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} else if (gotoEnd || t >= options.duration + this.startTime) {
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this.now = this.end;
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this.pos = this.state = 1;
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this.update();
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this.options.curAnim[this.prop] = true;
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done = true;
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for (i in options.curAnim) {
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if (options.curAnim[i] !== true) {
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done = false;
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}
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}
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if (done) {
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if (options.complete) {
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options.complete.call(elem);
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}
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}
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ret = false;
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} else {
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var n = t - this.startTime;
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this.state = n / options.duration;
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this.pos = options.easing(n, 0, 1, options.duration);
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this.now = this.start + ((this.end - this.start) * this.pos);
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this.update();
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ret = true;
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}
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return ret;
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}
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};
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/**
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* The adapter animate method
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*/
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this.animate = function (el, prop, opt) {
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var start,
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unit = '',
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end,
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fx,
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args,
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name;
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el.stopAnimation = false; // ready for new
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if (typeof opt !== 'object' || opt === null) {
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args = arguments;
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opt = {
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duration: args[2],
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easing: args[3],
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complete: args[4]
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};
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}
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if (typeof opt.duration !== 'number') {
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opt.duration = 400;
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}
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opt.easing = Math[opt.easing] || Math.easeInOutSine;
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opt.curAnim = Highcharts.extend({}, prop);
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for (name in prop) {
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fx = new Fx(el, opt, name);
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end = null;
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if (name === 'd') {
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fx.paths = pathAnim.init(
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el,
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el.d,
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prop.d
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);
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fx.toD = prop.d;
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start = 0;
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end = 1;
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} else if (el.attr) {
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start = el.attr(name);
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} else {
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start = parseFloat(HighchartsAdapter._getStyle(el, name)) || 0;
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if (name !== 'opacity') {
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unit = 'px';
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}
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}
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if (!end) {
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end = parseFloat(prop[name]);
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}
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fx.custom(start, end, unit);
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}
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};
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},
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/**
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* Internal method to return CSS value for given element and property
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*/
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_getStyle: function (el, prop) {
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return window.getComputedStyle(el, undefined).getPropertyValue(prop);
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},
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/**
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* Downloads a script and executes a callback when done.
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* @param {String} scriptLocation
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* @param {Function} callback
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*/
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getScript: function (scriptLocation, callback) {
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// We cannot assume that Assets class from mootools-more is available so instead insert a script tag to download script.
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var head = doc.getElementsByTagName('head')[0],
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script = doc.createElement('script');
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script.type = 'text/javascript';
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script.src = scriptLocation;
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script.onload = callback;
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head.appendChild(script);
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},
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/**
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* Return the index of an item in an array, or -1 if not found
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*/
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inArray: function (item, arr) {
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return arr.indexOf ? arr.indexOf(item) : emptyArray.indexOf.call(arr, item);
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},
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/**
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* A direct link to adapter methods
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*/
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adapterRun: function (elem, method) {
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return parseInt(HighchartsAdapter._getStyle(elem, method), 10);
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},
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/**
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* Filter an array
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*/
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grep: function (elements, callback) {
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return emptyArray.filter.call(elements, callback);
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},
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/**
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* Map an array
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*/
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map: function (arr, fn) {
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var results = [], i = 0, len = arr.length;
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for (; i < len; i++) {
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results[i] = fn.call(arr[i], arr[i], i, arr);
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}
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return results;
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},
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/**
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* Get the element's offset position, corrected by overflow:auto. Loosely based on jQuery's offset method.
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*/
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offset: function (el) {
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var docElem = document.documentElement,
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box = el.getBoundingClientRect();
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return {
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top: box.top + (window.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),
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left: box.left + (window.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)
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};
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},
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/**
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* Add an event listener
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*/
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addEvent: function (el, type, fn) {
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augment(el).bind(type, fn);
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},
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/**
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* Remove event added with addEvent
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*/
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removeEvent: function (el, type, fn) {
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augment(el).unbind(type, fn);
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},
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/**
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* Fire an event on a custom object
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*/
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fireEvent: function (el, type, eventArguments, defaultFunction) {
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var e;
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if (doc.createEvent && (el.dispatchEvent || el.fireEvent)) {
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e = doc.createEvent('Events');
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e.initEvent(type, true, true);
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e.target = el;
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Highcharts.extend(e, eventArguments);
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if (el.dispatchEvent) {
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el.dispatchEvent(e);
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} else {
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el.fireEvent(type, e);
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}
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} else if (el.HCExtended === true) {
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eventArguments = eventArguments || {};
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el.trigger(type, eventArguments);
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}
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if (eventArguments && eventArguments.defaultPrevented) {
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defaultFunction = null;
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}
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if (defaultFunction) {
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defaultFunction(eventArguments);
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}
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},
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washMouseEvent: function (e) {
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return e;
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},
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/**
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* Stop running animation
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*/
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stop: function (el) {
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el.stopAnimation = true;
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},
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/**
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* Utility for iterating over an array. Parameters are reversed compared to jQuery.
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* @param {Array} arr
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* @param {Function} fn
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*/
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each: function (arr, fn) { // modern browsers
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return Array.prototype.forEach.call(arr, fn);
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}
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};
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}());
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