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/* Prototype JavaScript framework, version 1.4.0
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* (c) 2005 Sam Stephenson <sam@conio.net>
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*
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* THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
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* against the source tree, available from the Prototype darcs repository.
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*
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* Prototype is freely distributable under the terms of an MIT-style license.
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*
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* For details, see the Prototype web site: http://prototype.conio.net/
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*
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/*--------------------------------------------------------------------------*/
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var Prototype = {
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Version: '1.4.0',
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ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
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emptyFunction: function() {},
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K: function(x) {return x}
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}
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var Class = {
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create: function() {
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return function() {
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this.initialize.apply(this, arguments);
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}
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}
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}
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var Abstract = new Object();
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Object.extend = function(destination, source) {
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for (property in source) {
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destination[property] = source[property];
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}
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return destination;
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}
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Object.inspect = function(object) {
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try {
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if (object == undefined) return 'undefined';
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if (object == null) return 'null';
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return object.inspect ? object.inspect() : object.toString();
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} catch (e) {
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if (e instanceof RangeError) return '...';
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throw e;
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}
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}
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Function.prototype.bind = function() {
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var __method = this, args = $A(arguments), object = args.shift();
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return function() {
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return __method.apply(object, args.concat($A(arguments)));
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}
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}
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Function.prototype.bindAsEventListener = function(object) {
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var __method = this;
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return function(event) {
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return __method.call(object, event || window.event);
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}
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}
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Object.extend(Number.prototype, {
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toColorPart: function() {
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var digits = this.toString(16);
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if (this < 16) return '0' + digits;
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return digits;
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},
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succ: function() {
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return this + 1;
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},
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times: function(iterator) {
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$R(0, this, true).each(iterator);
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return this;
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}
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});
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var Try = {
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these: function() {
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var returnValue;
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for (var i = 0; i < arguments.length; i++) {
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var lambda = arguments[i];
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try {
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returnValue = lambda();
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break;
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} catch (e) {}
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}
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return returnValue;
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}
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}
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/*--------------------------------------------------------------------------*/
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var PeriodicalExecuter = Class.create();
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PeriodicalExecuter.prototype = {
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initialize: function(callback, frequency) {
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this.callback = callback;
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this.frequency = frequency;
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this.currentlyExecuting = false;
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this.registerCallback();
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},
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registerCallback: function() {
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setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
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},
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onTimerEvent: function() {
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if (!this.currentlyExecuting) {
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try {
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this.currentlyExecuting = true;
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this.callback();
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} finally {
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this.currentlyExecuting = false;
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}
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}
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}
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}
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/*--------------------------------------------------------------------------*/
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function $() {
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var elements = new Array();
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for (var i = 0; i < arguments.length; i++) {
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var element = arguments[i];
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if (typeof element == 'string')
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element = document.getElementById(element);
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if (arguments.length == 1)
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return element;
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elements.push(element);
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}
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return elements;
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}
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Object.extend(String.prototype, {
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stripTags: function() {
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return this.replace(/<\/?[^>]+>/gi, '');
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},
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stripScripts: function() {
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return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
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},
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trim: function() {
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return(this.replace(/^\s+/,'').replace(/\s+$/,''));
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},
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extractScripts: function() {
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var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
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var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
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return (this.match(matchAll) || []).map(function(scriptTag) {
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return (scriptTag.match(matchOne) || ['', ''])[1];
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});
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},
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evalScripts: function() {
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return this.extractScripts().map(eval);
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},
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escapeHTML: function() {
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var div = document.createElement('div');
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var text = document.createTextNode(this);
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div.appendChild(text);
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return div.innerHTML;
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},
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unescapeHTML: function() {
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var div = document.createElement('div');
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div.innerHTML = this.stripTags();
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return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
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},
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toQueryParams: function() {
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var pairs = this.match(/^\??(.*)$/)[1].split('&');
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return pairs.inject({}, function(params, pairString) {
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var pair = pairString.split('=');
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params[pair[0]] = pair[1];
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return params;
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});
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},
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toArray: function() {
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return this.split('');
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},
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camelize: function() {
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var oStringList = this.split('-');
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if (oStringList.length == 1) return oStringList[0];
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var camelizedString = this.indexOf('-') == 0
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? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
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: oStringList[0];
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for (var i = 1, len = oStringList.length; i < len; i++) {
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var s = oStringList[i];
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camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
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}
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return camelizedString;
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},
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inspect: function() {
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return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
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}
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});
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String.prototype.parseQuery = String.prototype.toQueryParams;
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var $break = new Object();
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var $continue = new Object();
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var Enumerable = {
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each: function(iterator) {
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var index = 0;
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try {
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this._each(function(value) {
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try {
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iterator(value, index++);
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} catch (e) {
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if (e != $continue) throw e;
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}
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});
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} catch (e) {
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if (e != $break) throw e;
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}
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},
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all: function(iterator) {
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var result = true;
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this.each(function(value, index) {
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result = result && !!(iterator || Prototype.K)(value, index);
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if (!result) throw $break;
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});
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return result;
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},
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any: function(iterator) {
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var result = true;
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this.each(function(value, index) {
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if (result = !!(iterator || Prototype.K)(value, index))
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throw $break;
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});
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return result;
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},
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collect: function(iterator) {
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var results = [];
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this.each(function(value, index) {
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results.push(iterator(value, index));
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});
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return results;
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},
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detect: function (iterator) {
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var result;
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this.each(function(value, index) {
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if (iterator(value, index)) {
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result = value;
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throw $break;
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}
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});
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return result;
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},
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findAll: function(iterator) {
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var results = [];
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this.each(function(value, index) {
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if (iterator(value, index))
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results.push(value);
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});
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return results;
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},
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grep: function(pattern, iterator) {
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var results = [];
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this.each(function(value, index) {
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var stringValue = value.toString();
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if (stringValue.match(pattern))
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results.push((iterator || Prototype.K)(value, index));
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})
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return results;
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},
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include: function(object) {
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var found = false;
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this.each(function(value) {
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if (value == object) {
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found = true;
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throw $break;
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}
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});
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return found;
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},
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inject: function(memo, iterator) {
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this.each(function(value, index) {
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memo = iterator(memo, value, index);
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});
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return memo;
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},
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invoke: function(method) {
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var args = $A(arguments).slice(1);
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return this.collect(function(value) {
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return value[method].apply(value, args);
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});
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},
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max: function(iterator) {
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var result;
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this.each(function(value, index) {
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value = (iterator || Prototype.K)(value, index);
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if (value >= (result || value))
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result = value;
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});
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return result;
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},
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min: function(iterator) {
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var result;
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this.each(function(value, index) {
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value = (iterator || Prototype.K)(value, index);
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if (value <= (result || value))
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result = value;
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});
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return result;
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},
|
335
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336
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partition: function(iterator) {
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337
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var trues = [], falses = [];
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338
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this.each(function(value, index) {
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339
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((iterator || Prototype.K)(value, index) ?
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340
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trues : falses).push(value);
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});
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342
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return [trues, falses];
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343
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},
|
344
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345
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pluck: function(property) {
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var results = [];
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this.each(function(value, index) {
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results.push(value[property]);
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});
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350
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return results;
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},
|
352
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353
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reject: function(iterator) {
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354
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var results = [];
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355
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this.each(function(value, index) {
|
356
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if (!iterator(value, index))
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357
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results.push(value);
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358
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});
|
359
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return results;
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360
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},
|
361
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362
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sortBy: function(iterator) {
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363
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return this.collect(function(value, index) {
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364
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return {value: value, criteria: iterator(value, index)};
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365
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}).sort(function(left, right) {
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366
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var a = left.criteria, b = right.criteria;
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367
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return a < b ? -1 : a > b ? 1 : 0;
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368
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}).pluck('value');
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369
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},
|
370
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371
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toArray: function() {
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372
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return this.collect(Prototype.K);
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373
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},
|
374
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375
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zip: function() {
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376
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var iterator = Prototype.K, args = $A(arguments);
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377
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if (typeof args.last() == 'function')
|
378
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iterator = args.pop();
|
379
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380
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var collections = [this].concat(args).map($A);
|
381
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return this.map(function(value, index) {
|
382
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iterator(value = collections.pluck(index));
|
383
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return value;
|
384
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});
|
385
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},
|
386
|
|
387
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inspect: function() {
|
388
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return '#<Enumerable:' + this.toArray().inspect() + '>';
|
389
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}
|
390
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}
|
391
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|
392
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Object.extend(Enumerable, {
|
393
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map: Enumerable.collect,
|
394
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find: Enumerable.detect,
|
395
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select: Enumerable.findAll,
|
396
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member: Enumerable.include,
|
397
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entries: Enumerable.toArray
|
398
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});
|
399
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var $A = Array.from = function(iterable) {
|
400
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if (!iterable) return [];
|
401
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if (iterable.toArray) {
|
402
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return iterable.toArray();
|
403
|
} else {
|
404
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var results = [];
|
405
|
for (var i = 0; i < iterable.length; i++)
|
406
|
results.push(iterable[i]);
|
407
|
return results;
|
408
|
}
|
409
|
}
|
410
|
|
411
|
Object.extend(Array.prototype, Enumerable);
|
412
|
|
413
|
Array.prototype._reverse = Array.prototype.reverse;
|
414
|
|
415
|
Object.extend(Array.prototype, {
|
416
|
_each: function(iterator) {
|
417
|
for (var i = 0; i < this.length; i++)
|
418
|
iterator(this[i]);
|
419
|
},
|
420
|
|
421
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clear: function() {
|
422
|
this.length = 0;
|
423
|
return this;
|
424
|
},
|
425
|
|
426
|
first: function() {
|
427
|
return this[0];
|
428
|
},
|
429
|
|
430
|
last: function() {
|
431
|
return this[this.length - 1];
|
432
|
},
|
433
|
|
434
|
compact: function() {
|
435
|
return this.select(function(value) {
|
436
|
return value != undefined || value != null;
|
437
|
});
|
438
|
},
|
439
|
|
440
|
flatten: function() {
|
441
|
return this.inject([], function(array, value) {
|
442
|
return array.concat(value.constructor == Array ?
|
443
|
value.flatten() : [value]);
|
444
|
});
|
445
|
},
|
446
|
|
447
|
without: function() {
|
448
|
var values = $A(arguments);
|
449
|
return this.select(function(value) {
|
450
|
return !values.include(value);
|
451
|
});
|
452
|
},
|
453
|
|
454
|
indexOf: function(object) {
|
455
|
for (var i = 0; i < this.length; i++)
|
456
|
if (this[i] == object) return i;
|
457
|
return -1;
|
458
|
},
|
459
|
|
460
|
reverse: function(inline) {
|
461
|
return (inline !== false ? this : this.toArray())._reverse();
|
462
|
},
|
463
|
|
464
|
shift: function() {
|
465
|
var result = this[0];
|
466
|
for (var i = 0; i < this.length - 1; i++)
|
467
|
this[i] = this[i + 1];
|
468
|
this.length--;
|
469
|
return result;
|
470
|
},
|
471
|
|
472
|
inspect: function() {
|
473
|
return '[' + this.map(Object.inspect).join(', ') + ']';
|
474
|
}
|
475
|
});
|
476
|
var Hash = {
|
477
|
_each: function(iterator) {
|
478
|
for (key in this) {
|
479
|
var value = this[key];
|
480
|
if (typeof value == 'function') continue;
|
481
|
|
482
|
var pair = [key, value];
|
483
|
pair.key = key;
|
484
|
pair.value = value;
|
485
|
iterator(pair);
|
486
|
}
|
487
|
},
|
488
|
|
489
|
keys: function() {
|
490
|
return this.pluck('key');
|
491
|
},
|
492
|
|
493
|
values: function() {
|
494
|
return this.pluck('value');
|
495
|
},
|
496
|
|
497
|
merge: function(hash) {
|
498
|
return $H(hash).inject($H(this), function(mergedHash, pair) {
|
499
|
mergedHash[pair.key] = pair.value;
|
500
|
return mergedHash;
|
501
|
});
|
502
|
},
|
503
|
|
504
|
toQueryString: function() {
|
505
|
return this.map(function(pair) {
|
506
|
return pair.map(encodeURIComponent).join('=');
|
507
|
}).join('&');
|
508
|
},
|
509
|
|
510
|
inspect: function() {
|
511
|
return '#<Hash:{' + this.map(function(pair) {
|
512
|
return pair.map(Object.inspect).join(': ');
|
513
|
}).join(', ') + '}>';
|
514
|
}
|
515
|
}
|
516
|
|
517
|
function $H(object) {
|
518
|
var hash = Object.extend({}, object || {});
|
519
|
Object.extend(hash, Enumerable);
|
520
|
Object.extend(hash, Hash);
|
521
|
return hash;
|
522
|
}
|
523
|
ObjectRange = Class.create();
|
524
|
Object.extend(ObjectRange.prototype, Enumerable);
|
525
|
Object.extend(ObjectRange.prototype, {
|
526
|
initialize: function(start, end, exclusive) {
|
527
|
this.start = start;
|
528
|
this.end = end;
|
529
|
this.exclusive = exclusive;
|
530
|
},
|
531
|
|
532
|
_each: function(iterator) {
|
533
|
var value = this.start;
|
534
|
do {
|
535
|
iterator(value);
|
536
|
value = value.succ();
|
537
|
} while (this.include(value));
|
538
|
},
|
539
|
|
540
|
include: function(value) {
|
541
|
if (value < this.start)
|
542
|
return false;
|
543
|
if (this.exclusive)
|
544
|
return value < this.end;
|
545
|
return value <= this.end;
|
546
|
}
|
547
|
});
|
548
|
|
549
|
var $R = function(start, end, exclusive) {
|
550
|
return new ObjectRange(start, end, exclusive);
|
551
|
}
|
552
|
|
553
|
var Ajax = {
|
554
|
getTransport: function() {
|
555
|
return Try.these(
|
556
|
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
|
557
|
function() {return new ActiveXObject('Microsoft.XMLHTTP')},
|
558
|
function() {return new XMLHttpRequest()}
|
559
|
) || false;
|
560
|
},
|
561
|
|
562
|
activeRequestCount: 0
|
563
|
}
|
564
|
|
565
|
Ajax.Responders = {
|
566
|
responders: [],
|
567
|
|
568
|
_each: function(iterator) {
|
569
|
this.responders._each(iterator);
|
570
|
},
|
571
|
|
572
|
register: function(responderToAdd) {
|
573
|
if (!this.include(responderToAdd))
|
574
|
this.responders.push(responderToAdd);
|
575
|
},
|
576
|
|
577
|
unregister: function(responderToRemove) {
|
578
|
this.responders = this.responders.without(responderToRemove);
|
579
|
},
|
580
|
|
581
|
dispatch: function(callback, request, transport, json) {
|
582
|
this.each(function(responder) {
|
583
|
if (responder[callback] && typeof responder[callback] == 'function') {
|
584
|
try {
|
585
|
responder[callback].apply(responder, [request, transport, json]);
|
586
|
} catch (e) {}
|
587
|
}
|
588
|
});
|
589
|
}
|
590
|
};
|
591
|
|
592
|
Object.extend(Ajax.Responders, Enumerable);
|
593
|
|
594
|
Ajax.Responders.register({
|
595
|
onCreate: function() {
|
596
|
Ajax.activeRequestCount++;
|
597
|
},
|
598
|
|
599
|
onComplete: function() {
|
600
|
Ajax.activeRequestCount--;
|
601
|
}
|
602
|
});
|
603
|
|
604
|
Ajax.Base = function() {};
|
605
|
Ajax.Base.prototype = {
|
606
|
setOptions: function(options) {
|
607
|
this.options = {
|
608
|
method: 'post',
|
609
|
asynchronous: true,
|
610
|
parameters: ''
|
611
|
}
|
612
|
Object.extend(this.options, options || {});
|
613
|
},
|
614
|
|
615
|
responseIsSuccess: function() {
|
616
|
return this.transport.status == undefined
|
617
|
|| this.transport.status == 0
|
618
|
|| (this.transport.status >= 200 && this.transport.status < 300);
|
619
|
},
|
620
|
|
621
|
responseIsFailure: function() {
|
622
|
return !this.responseIsSuccess();
|
623
|
}
|
624
|
}
|
625
|
|
626
|
Ajax.Request = Class.create();
|
627
|
Ajax.Request.Events =
|
628
|
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
|
629
|
|
630
|
Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
|
631
|
initialize: function(url, options) {
|
632
|
this.transport = Ajax.getTransport();
|
633
|
this.setOptions(options);
|
634
|
this.request(url);
|
635
|
},
|
636
|
|
637
|
request: function(url) {
|
638
|
var parameters = this.options.parameters || '';
|
639
|
if (parameters.length > 0) parameters += '&_=';
|
640
|
|
641
|
try {
|
642
|
this.url = url;
|
643
|
if (this.options.method == 'get' && parameters.length > 0)
|
644
|
this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
|
645
|
|
646
|
Ajax.Responders.dispatch('onCreate', this, this.transport);
|
647
|
|
648
|
this.transport.open(this.options.method, this.url,
|
649
|
this.options.asynchronous);
|
650
|
|
651
|
if (this.options.asynchronous) {
|
652
|
this.transport.onreadystatechange = this.onStateChange.bind(this);
|
653
|
setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
|
654
|
}
|
655
|
|
656
|
this.setRequestHeaders();
|
657
|
|
658
|
var body = this.options.postBody ? this.options.postBody : parameters;
|
659
|
this.transport.send(this.options.method == 'post' ? body : null);
|
660
|
|
661
|
} catch (e) {
|
662
|
this.dispatchException(e);
|
663
|
}
|
664
|
},
|
665
|
|
666
|
setRequestHeaders: function() {
|
667
|
var requestHeaders =
|
668
|
['X-Requested-With', 'XMLHttpRequest',
|
669
|
'X-Prototype-Version', Prototype.Version];
|
670
|
|
671
|
if (this.options.method == 'post') {
|
672
|
requestHeaders.push('Content-type',
|
673
|
'application/x-www-form-urlencoded');
|
674
|
|
675
|
/* Force "Connection: close" for Mozilla browsers to work around
|
676
|
* a bug where XMLHttpReqeuest sends an incorrect Content-length
|
677
|
* header. See Mozilla Bugzilla #246651.
|
678
|
*/
|
679
|
if (this.transport.overrideMimeType)
|
680
|
requestHeaders.push('Connection', 'close');
|
681
|
}
|
682
|
|
683
|
if (this.options.requestHeaders)
|
684
|
requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
|
685
|
|
686
|
for (var i = 0; i < requestHeaders.length; i += 2)
|
687
|
this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
|
688
|
},
|
689
|
|
690
|
onStateChange: function() {
|
691
|
var readyState = this.transport.readyState;
|
692
|
if (readyState != 1)
|
693
|
this.respondToReadyState(this.transport.readyState);
|
694
|
},
|
695
|
|
696
|
header: function(name) {
|
697
|
try {
|
698
|
return this.transport.getResponseHeader(name);
|
699
|
} catch (e) {}
|
700
|
},
|
701
|
|
702
|
evalJSON: function() {
|
703
|
try {
|
704
|
return eval(this.header('X-JSON'));
|
705
|
} catch (e) {}
|
706
|
},
|
707
|
|
708
|
evalResponse: function() {
|
709
|
try {
|
710
|
return eval(this.transport.responseText);
|
711
|
} catch (e) {
|
712
|
this.dispatchException(e);
|
713
|
}
|
714
|
},
|
715
|
|
716
|
respondToReadyState: function(readyState) {
|
717
|
var event = Ajax.Request.Events[readyState];
|
718
|
var transport = this.transport, json = this.evalJSON();
|
719
|
|
720
|
if (event == 'Complete') {
|
721
|
try {
|
722
|
(this.options['on' + this.transport.status]
|
723
|
|| this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
|
724
|
|| Prototype.emptyFunction)(transport, json);
|
725
|
} catch (e) {
|
726
|
this.dispatchException(e);
|
727
|
}
|
728
|
|
729
|
if ((this.header('Content-type') || '').match(/^text\/javascript/i))
|
730
|
this.evalResponse();
|
731
|
}
|
732
|
|
733
|
try {
|
734
|
(this.options['on' + event] || Prototype.emptyFunction)(transport, json);
|
735
|
Ajax.Responders.dispatch('on' + event, this, transport, json);
|
736
|
} catch (e) {
|
737
|
this.dispatchException(e);
|
738
|
}
|
739
|
|
740
|
/* Avoid memory leak in MSIE: clean up the oncomplete event handler */
|
741
|
if (event == 'Complete')
|
742
|
this.transport.onreadystatechange = Prototype.emptyFunction;
|
743
|
},
|
744
|
|
745
|
dispatchException: function(exception) {
|
746
|
(this.options.onException || Prototype.emptyFunction)(this, exception);
|
747
|
Ajax.Responders.dispatch('onException', this, exception);
|
748
|
}
|
749
|
});
|
750
|
|
751
|
Ajax.Updater = Class.create();
|
752
|
|
753
|
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
|
754
|
initialize: function(container, url, options) {
|
755
|
this.containers = {
|
756
|
success: container.success ? $(container.success) : $(container),
|
757
|
failure: container.failure ? $(container.failure) :
|
758
|
(container.success ? null : $(container))
|
759
|
}
|
760
|
|
761
|
this.transport = Ajax.getTransport();
|
762
|
this.setOptions(options);
|
763
|
|
764
|
var onComplete = this.options.onComplete || Prototype.emptyFunction;
|
765
|
this.options.onComplete = (function(transport, object) {
|
766
|
this.updateContent();
|
767
|
onComplete(transport, object);
|
768
|
}).bind(this);
|
769
|
|
770
|
this.request(url);
|
771
|
},
|
772
|
|
773
|
updateContent: function() {
|
774
|
var receiver = this.responseIsSuccess() ?
|
775
|
this.containers.success : this.containers.failure;
|
776
|
var response = this.transport.responseText;
|
777
|
|
778
|
if (!this.options.evalScripts)
|
779
|
response = response.stripScripts();
|
780
|
|
781
|
if (receiver) {
|
782
|
if (this.options.insertion) {
|
783
|
new this.options.insertion(receiver, response);
|
784
|
} else {
|
785
|
Element.update(receiver, response);
|
786
|
}
|
787
|
}
|
788
|
|
789
|
if (this.responseIsSuccess()) {
|
790
|
if (this.onComplete)
|
791
|
setTimeout(this.onComplete.bind(this), 10);
|
792
|
}
|
793
|
}
|
794
|
});
|
795
|
|
796
|
Ajax.PeriodicalUpdater = Class.create();
|
797
|
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
|
798
|
initialize: function(container, url, options) {
|
799
|
this.setOptions(options);
|
800
|
this.onComplete = this.options.onComplete;
|
801
|
|
802
|
this.frequency = (this.options.frequency || 2);
|
803
|
this.decay = (this.options.decay || 1);
|
804
|
|
805
|
this.updater = {};
|
806
|
this.container = container;
|
807
|
this.url = url;
|
808
|
|
809
|
this.start();
|
810
|
},
|
811
|
|
812
|
start: function() {
|
813
|
this.options.onComplete = this.updateComplete.bind(this);
|
814
|
this.onTimerEvent();
|
815
|
},
|
816
|
|
817
|
stop: function() {
|
818
|
this.updater.onComplete = undefined;
|
819
|
clearTimeout(this.timer);
|
820
|
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
|
821
|
},
|
822
|
|
823
|
updateComplete: function(request) {
|
824
|
if (this.options.decay) {
|
825
|
this.decay = (request.responseText == this.lastText ?
|
826
|
this.decay * this.options.decay : 1);
|
827
|
|
828
|
this.lastText = request.responseText;
|
829
|
}
|
830
|
this.timer = setTimeout(this.onTimerEvent.bind(this),
|
831
|
this.decay * this.frequency * 1000);
|
832
|
},
|
833
|
|
834
|
onTimerEvent: function() {
|
835
|
this.updater = new Ajax.Updater(this.container, this.url, this.options);
|
836
|
}
|
837
|
});
|
838
|
document.getElementsByClassName = function(className, parentElement) {
|
839
|
var children = ($(parentElement) || document.body).getElementsByTagName('*');
|
840
|
return $A(children).inject([], function(elements, child) {
|
841
|
if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
|
842
|
elements.push(child);
|
843
|
return elements;
|
844
|
});
|
845
|
}
|
846
|
|
847
|
/*--------------------------------------------------------------------------*/
|
848
|
|
849
|
if (!window.Element) {
|
850
|
var Element = new Object();
|
851
|
}
|
852
|
|
853
|
Object.extend(Element, {
|
854
|
visible: function(element) {
|
855
|
return $(element).style.display != 'none';
|
856
|
},
|
857
|
|
858
|
toggle: function() {
|
859
|
for (var i = 0; i < arguments.length; i++) {
|
860
|
var element = $(arguments[i]);
|
861
|
Element[Element.visible(element) ? 'hide' : 'show'](element);
|
862
|
}
|
863
|
},
|
864
|
|
865
|
hide: function() {
|
866
|
for (var i = 0; i < arguments.length; i++) {
|
867
|
var element = $(arguments[i]);
|
868
|
element.style.display = 'none';
|
869
|
}
|
870
|
},
|
871
|
|
872
|
show: function() {
|
873
|
for (var i = 0; i < arguments.length; i++) {
|
874
|
var element = $(arguments[i]);
|
875
|
element.style.display = '';
|
876
|
}
|
877
|
},
|
878
|
|
879
|
remove: function(element) {
|
880
|
element = $(element);
|
881
|
element.parentNode.removeChild(element);
|
882
|
},
|
883
|
|
884
|
update: function(element, html) {
|
885
|
$(element).innerHTML = html.stripScripts();
|
886
|
setTimeout(function() {html.evalScripts()}, 10);
|
887
|
},
|
888
|
|
889
|
getHeight: function(element) {
|
890
|
element = $(element);
|
891
|
return element.offsetHeight;
|
892
|
},
|
893
|
|
894
|
classNames: function(element) {
|
895
|
return new Element.ClassNames(element);
|
896
|
},
|
897
|
|
898
|
hasClassName: function(element, className) {
|
899
|
if (!(element = $(element))) return;
|
900
|
return Element.classNames(element).include(className);
|
901
|
},
|
902
|
|
903
|
addClassName: function(element, className) {
|
904
|
if (!(element = $(element))) return;
|
905
|
return Element.classNames(element).add(className);
|
906
|
},
|
907
|
|
908
|
removeClassName: function(element, className) {
|
909
|
if (!(element = $(element))) return;
|
910
|
return Element.classNames(element).remove(className);
|
911
|
},
|
912
|
|
913
|
// removes whitespace-only text node children
|
914
|
cleanWhitespace: function(element) {
|
915
|
element = $(element);
|
916
|
for (var i = 0; i < element.childNodes.length; i++) {
|
917
|
var node = element.childNodes[i];
|
918
|
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
|
919
|
Element.remove(node);
|
920
|
}
|
921
|
},
|
922
|
|
923
|
empty: function(element) {
|
924
|
return $(element).innerHTML.match(/^\s*$/);
|
925
|
},
|
926
|
|
927
|
scrollTo: function(element) {
|
928
|
element = $(element);
|
929
|
var x = element.x ? element.x : element.offsetLeft,
|
930
|
y = element.y ? element.y : element.offsetTop;
|
931
|
window.scrollTo(x, y);
|
932
|
},
|
933
|
|
934
|
getStyle: function(element, style) {
|
935
|
element = $(element);
|
936
|
var value = element.style[style.camelize()];
|
937
|
if (!value) {
|
938
|
if (document.defaultView && document.defaultView.getComputedStyle) {
|
939
|
var css = document.defaultView.getComputedStyle(element, null);
|
940
|
value = css ? css.getPropertyValue(style) : null;
|
941
|
} else if (element.currentStyle) {
|
942
|
value = element.currentStyle[style.camelize()];
|
943
|
}
|
944
|
}
|
945
|
|
946
|
if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
|
947
|
if (Element.getStyle(element, 'position') == 'static') value = 'auto';
|
948
|
|
949
|
return value == 'auto' ? null : value;
|
950
|
},
|
951
|
|
952
|
setStyle: function(element, style) {
|
953
|
element = $(element);
|
954
|
for (name in style)
|
955
|
element.style[name.camelize()] = style[name];
|
956
|
},
|
957
|
|
958
|
getDimensions: function(element) {
|
959
|
element = $(element);
|
960
|
if (Element.getStyle(element, 'display') != 'none')
|
961
|
return {width: element.offsetWidth, height: element.offsetHeight};
|
962
|
|
963
|
// All *Width and *Height properties give 0 on elements with display none,
|
964
|
// so enable the element temporarily
|
965
|
var els = element.style;
|
966
|
var originalVisibility = els.visibility;
|
967
|
var originalPosition = els.position;
|
968
|
els.visibility = 'hidden';
|
969
|
els.position = 'absolute';
|
970
|
els.display = '';
|
971
|
var originalWidth = element.clientWidth;
|
972
|
var originalHeight = element.clientHeight;
|
973
|
els.display = 'none';
|
974
|
els.position = originalPosition;
|
975
|
els.visibility = originalVisibility;
|
976
|
return {width: originalWidth, height: originalHeight};
|
977
|
},
|
978
|
|
979
|
makePositioned: function(element) {
|
980
|
element = $(element);
|
981
|
var pos = Element.getStyle(element, 'position');
|
982
|
if (pos == 'static' || !pos) {
|
983
|
element._madePositioned = true;
|
984
|
element.style.position = 'relative';
|
985
|
// Opera returns the offset relative to the positioning context, when an
|
986
|
// element is position relative but top and left have not been defined
|
987
|
if (window.opera) {
|
988
|
element.style.top = 0;
|
989
|
element.style.left = 0;
|
990
|
}
|
991
|
}
|
992
|
},
|
993
|
|
994
|
undoPositioned: function(element) {
|
995
|
element = $(element);
|
996
|
if (element._madePositioned) {
|
997
|
element._madePositioned = undefined;
|
998
|
element.style.position =
|
999
|
element.style.top =
|
1000
|
element.style.left =
|
1001
|
element.style.bottom =
|
1002
|
element.style.right = '';
|
1003
|
}
|
1004
|
},
|
1005
|
|
1006
|
makeClipping: function(element) {
|
1007
|
element = $(element);
|
1008
|
if (element._overflow) return;
|
1009
|
element._overflow = element.style.overflow;
|
1010
|
if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
|
1011
|
element.style.overflow = 'hidden';
|
1012
|
},
|
1013
|
|
1014
|
undoClipping: function(element) {
|
1015
|
element = $(element);
|
1016
|
if (element._overflow) return;
|
1017
|
element.style.overflow = element._overflow;
|
1018
|
element._overflow = undefined;
|
1019
|
}
|
1020
|
});
|
1021
|
|
1022
|
var Toggle = new Object();
|
1023
|
Toggle.display = Element.toggle;
|
1024
|
|
1025
|
/*--------------------------------------------------------------------------*/
|
1026
|
|
1027
|
Abstract.Insertion = function(adjacency) {
|
1028
|
this.adjacency = adjacency;
|
1029
|
}
|
1030
|
|
1031
|
Abstract.Insertion.prototype = {
|
1032
|
initialize: function(element, content) {
|
1033
|
this.element = $(element);
|
1034
|
this.content = content.stripScripts();
|
1035
|
|
1036
|
if (this.adjacency && this.element.insertAdjacentHTML) {
|
1037
|
try {
|
1038
|
this.element.insertAdjacentHTML(this.adjacency, this.content);
|
1039
|
} catch (e) {
|
1040
|
if (this.element.tagName.toLowerCase() == 'tbody') {
|
1041
|
this.insertContent(this.contentFromAnonymousTable());
|
1042
|
} else {
|
1043
|
throw e;
|
1044
|
}
|
1045
|
}
|
1046
|
} else {
|
1047
|
this.range = this.element.ownerDocument.createRange();
|
1048
|
if (this.initializeRange) this.initializeRange();
|
1049
|
this.insertContent([this.range.createContextualFragment(this.content)]);
|
1050
|
}
|
1051
|
|
1052
|
setTimeout(function() {content.evalScripts()}, 10);
|
1053
|
},
|
1054
|
|
1055
|
contentFromAnonymousTable: function() {
|
1056
|
var div = document.createElement('div');
|
1057
|
div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
|
1058
|
return $A(div.childNodes[0].childNodes[0].childNodes);
|
1059
|
}
|
1060
|
}
|
1061
|
|
1062
|
var Insertion = new Object();
|
1063
|
|
1064
|
Insertion.Before = Class.create();
|
1065
|
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
|
1066
|
initializeRange: function() {
|
1067
|
this.range.setStartBefore(this.element);
|
1068
|
},
|
1069
|
|
1070
|
insertContent: function(fragments) {
|
1071
|
fragments.each((function(fragment) {
|
1072
|
this.element.parentNode.insertBefore(fragment, this.element);
|
1073
|
}).bind(this));
|
1074
|
}
|
1075
|
});
|
1076
|
|
1077
|
Insertion.Top = Class.create();
|
1078
|
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
|
1079
|
initializeRange: function() {
|
1080
|
this.range.selectNodeContents(this.element);
|
1081
|
this.range.collapse(true);
|
1082
|
},
|
1083
|
|
1084
|
insertContent: function(fragments) {
|
1085
|
fragments.reverse(false).each((function(fragment) {
|
1086
|
this.element.insertBefore(fragment, this.element.firstChild);
|
1087
|
}).bind(this));
|
1088
|
}
|
1089
|
});
|
1090
|
|
1091
|
Insertion.Bottom = Class.create();
|
1092
|
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
|
1093
|
initializeRange: function() {
|
1094
|
this.range.selectNodeContents(this.element);
|
1095
|
this.range.collapse(this.element);
|
1096
|
},
|
1097
|
|
1098
|
insertContent: function(fragments) {
|
1099
|
fragments.each((function(fragment) {
|
1100
|
this.element.appendChild(fragment);
|
1101
|
}).bind(this));
|
1102
|
}
|
1103
|
});
|
1104
|
|
1105
|
Insertion.After = Class.create();
|
1106
|
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
|
1107
|
initializeRange: function() {
|
1108
|
this.range.setStartAfter(this.element);
|
1109
|
},
|
1110
|
|
1111
|
insertContent: function(fragments) {
|
1112
|
fragments.each((function(fragment) {
|
1113
|
this.element.parentNode.insertBefore(fragment,
|
1114
|
this.element.nextSibling);
|
1115
|
}).bind(this));
|
1116
|
}
|
1117
|
});
|
1118
|
|
1119
|
/*--------------------------------------------------------------------------*/
|
1120
|
|
1121
|
Element.ClassNames = Class.create();
|
1122
|
Element.ClassNames.prototype = {
|
1123
|
initialize: function(element) {
|
1124
|
this.element = $(element);
|
1125
|
},
|
1126
|
|
1127
|
_each: function(iterator) {
|
1128
|
this.element.className.split(/\s+/).select(function(name) {
|
1129
|
return name.length > 0;
|
1130
|
})._each(iterator);
|
1131
|
},
|
1132
|
|
1133
|
set: function(className) {
|
1134
|
this.element.className = className;
|
1135
|
},
|
1136
|
|
1137
|
add: function(classNameToAdd) {
|
1138
|
if (this.include(classNameToAdd)) return;
|
1139
|
this.set(this.toArray().concat(classNameToAdd).join(' '));
|
1140
|
},
|
1141
|
|
1142
|
remove: function(classNameToRemove) {
|
1143
|
if (!this.include(classNameToRemove)) return;
|
1144
|
this.set(this.select(function(className) {
|
1145
|
return className != classNameToRemove;
|
1146
|
}).join(' '));
|
1147
|
},
|
1148
|
|
1149
|
toString: function() {
|
1150
|
return this.toArray().join(' ');
|
1151
|
}
|
1152
|
}
|
1153
|
|
1154
|
Object.extend(Element.ClassNames.prototype, Enumerable);
|
1155
|
var Field = {
|
1156
|
clear: function() {
|
1157
|
for (var i = 0; i < arguments.length; i++)
|
1158
|
$(arguments[i]).value = '';
|
1159
|
},
|
1160
|
|
1161
|
focus: function(element) {
|
1162
|
$(element).focus();
|
1163
|
},
|
1164
|
|
1165
|
present: function() {
|
1166
|
for (var i = 0; i < arguments.length; i++)
|
1167
|
if ($(arguments[i]).value == '') return false;
|
1168
|
return true;
|
1169
|
},
|
1170
|
|
1171
|
select: function(element) {
|
1172
|
$(element).select();
|
1173
|
},
|
1174
|
|
1175
|
activate: function(element) {
|
1176
|
element = $(element);
|
1177
|
element.focus();
|
1178
|
if (element.select)
|
1179
|
element.select();
|
1180
|
}
|
1181
|
}
|
1182
|
|
1183
|
/*--------------------------------------------------------------------------*/
|
1184
|
|
1185
|
var Form = {
|
1186
|
serialize: function(form) {
|
1187
|
var elements = Form.getElements($(form));
|
1188
|
var queryComponents = new Array();
|
1189
|
|
1190
|
for (var i = 0; i < elements.length; i++) {
|
1191
|
var queryComponent = Form.Element.serialize(elements[i]);
|
1192
|
if (queryComponent)
|
1193
|
queryComponents.push(queryComponent);
|
1194
|
}
|
1195
|
|
1196
|
return queryComponents.join('&');
|
1197
|
},
|
1198
|
|
1199
|
getElements: function(form) {
|
1200
|
form = $(form);
|
1201
|
var elements = new Array();
|
1202
|
|
1203
|
for (tagName in Form.Element.Serializers) {
|
1204
|
var tagElements = form.getElementsByTagName(tagName);
|
1205
|
for (var j = 0; j < tagElements.length; j++)
|
1206
|
elements.push(tagElements[j]);
|
1207
|
}
|
1208
|
return elements;
|
1209
|
},
|
1210
|
|
1211
|
getInputs: function(form, typeName, name) {
|
1212
|
form = $(form);
|
1213
|
var inputs = form.getElementsByTagName('input');
|
1214
|
|
1215
|
if (!typeName && !name)
|
1216
|
return inputs;
|
1217
|
|
1218
|
var matchingInputs = new Array();
|
1219
|
for (var i = 0; i < inputs.length; i++) {
|
1220
|
var input = inputs[i];
|
1221
|
if ((typeName && input.type != typeName) ||
|
1222
|
(name && input.name != name))
|
1223
|
continue;
|
1224
|
matchingInputs.push(input);
|
1225
|
}
|
1226
|
|
1227
|
return matchingInputs;
|
1228
|
},
|
1229
|
|
1230
|
disable: function(form) {
|
1231
|
var elements = Form.getElements(form);
|
1232
|
for (var i = 0; i < elements.length; i++) {
|
1233
|
var element = elements[i];
|
1234
|
element.blur();
|
1235
|
element.disabled = 'true';
|
1236
|
}
|
1237
|
},
|
1238
|
|
1239
|
enable: function(form) {
|
1240
|
var elements = Form.getElements(form);
|
1241
|
for (var i = 0; i < elements.length; i++) {
|
1242
|
var element = elements[i];
|
1243
|
element.disabled = '';
|
1244
|
}
|
1245
|
},
|
1246
|
|
1247
|
findFirstElement: function(form) {
|
1248
|
return Form.getElements(form).find(function(element) {
|
1249
|
return element.type != 'hidden' && !element.disabled &&
|
1250
|
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
|
1251
|
});
|
1252
|
},
|
1253
|
|
1254
|
focusFirstElement: function(form) {
|
1255
|
Field.activate(Form.findFirstElement(form));
|
1256
|
},
|
1257
|
|
1258
|
reset: function(form) {
|
1259
|
$(form).reset();
|
1260
|
}
|
1261
|
}
|
1262
|
|
1263
|
Form.Element = {
|
1264
|
serialize: function(element) {
|
1265
|
element = $(element);
|
1266
|
var method = element.tagName.toLowerCase();
|
1267
|
var parameter = Form.Element.Serializers[method](element);
|
1268
|
|
1269
|
if (parameter) {
|
1270
|
var key = encodeURIComponent(parameter[0]);
|
1271
|
if (key.length == 0) return;
|
1272
|
|
1273
|
if (parameter[1].constructor != Array)
|
1274
|
parameter[1] = [parameter[1]];
|
1275
|
|
1276
|
return parameter[1].map(function(value) {
|
1277
|
return key + '=' + encodeURIComponent(value);
|
1278
|
}).join('&');
|
1279
|
}
|
1280
|
},
|
1281
|
|
1282
|
getValue: function(element) {
|
1283
|
element = $(element);
|
1284
|
var method = element.tagName.toLowerCase();
|
1285
|
var parameter = Form.Element.Serializers[method](element);
|
1286
|
|
1287
|
if (parameter)
|
1288
|
return parameter[1];
|
1289
|
}
|
1290
|
}
|
1291
|
|
1292
|
Form.Element.Serializers = {
|
1293
|
input: function(element) {
|
1294
|
switch (element.type.toLowerCase()) {
|
1295
|
case 'submit':
|
1296
|
case 'hidden':
|
1297
|
case 'password':
|
1298
|
case 'text':
|
1299
|
return Form.Element.Serializers.textarea(element);
|
1300
|
case 'checkbox':
|
1301
|
case 'radio':
|
1302
|
return Form.Element.Serializers.inputSelector(element);
|
1303
|
}
|
1304
|
return false;
|
1305
|
},
|
1306
|
|
1307
|
inputSelector: function(element) {
|
1308
|
if (element.checked)
|
1309
|
return [element.name, element.value];
|
1310
|
},
|
1311
|
|
1312
|
textarea: function(element) {
|
1313
|
return [element.name, element.value];
|
1314
|
},
|
1315
|
|
1316
|
select: function(element) {
|
1317
|
return Form.Element.Serializers[element.type == 'select-one' ?
|
1318
|
'selectOne' : 'selectMany'](element);
|
1319
|
},
|
1320
|
|
1321
|
selectOne: function(element) {
|
1322
|
var value = '', opt, index = element.selectedIndex;
|
1323
|
if (index >= 0) {
|
1324
|
opt = element.options[index];
|
1325
|
value = opt.value;
|
1326
|
if (!value && !('value' in opt))
|
1327
|
value = opt.text;
|
1328
|
}
|
1329
|
return [element.name, value];
|
1330
|
},
|
1331
|
|
1332
|
selectMany: function(element) {
|
1333
|
var value = new Array();
|
1334
|
for (var i = 0; i < element.length; i++) {
|
1335
|
var opt = element.options[i];
|
1336
|
if (opt.selected) {
|
1337
|
var optValue = opt.value;
|
1338
|
if (!optValue && !('value' in opt))
|
1339
|
optValue = opt.text;
|
1340
|
value.push(optValue);
|
1341
|
}
|
1342
|
}
|
1343
|
return [element.name, value];
|
1344
|
}
|
1345
|
}
|
1346
|
|
1347
|
/*--------------------------------------------------------------------------*/
|
1348
|
|
1349
|
var $F = Form.Element.getValue;
|
1350
|
|
1351
|
/*--------------------------------------------------------------------------*/
|
1352
|
|
1353
|
Abstract.TimedObserver = function() {}
|
1354
|
Abstract.TimedObserver.prototype = {
|
1355
|
initialize: function(element, frequency, callback) {
|
1356
|
this.frequency = frequency;
|
1357
|
this.element = $(element);
|
1358
|
this.callback = callback;
|
1359
|
|
1360
|
this.lastValue = this.getValue();
|
1361
|
this.registerCallback();
|
1362
|
},
|
1363
|
|
1364
|
registerCallback: function() {
|
1365
|
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
|
1366
|
},
|
1367
|
|
1368
|
onTimerEvent: function() {
|
1369
|
var value = this.getValue();
|
1370
|
if (this.lastValue != value) {
|
1371
|
this.callback(this.element, value);
|
1372
|
this.lastValue = value;
|
1373
|
}
|
1374
|
}
|
1375
|
}
|
1376
|
|
1377
|
Form.Element.Observer = Class.create();
|
1378
|
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
|
1379
|
getValue: function() {
|
1380
|
return Form.Element.getValue(this.element);
|
1381
|
}
|
1382
|
});
|
1383
|
|
1384
|
Form.Observer = Class.create();
|
1385
|
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
|
1386
|
getValue: function() {
|
1387
|
return Form.serialize(this.element);
|
1388
|
}
|
1389
|
});
|
1390
|
|
1391
|
/*--------------------------------------------------------------------------*/
|
1392
|
|
1393
|
Abstract.EventObserver = function() {}
|
1394
|
Abstract.EventObserver.prototype = {
|
1395
|
initialize: function(element, callback) {
|
1396
|
this.element = $(element);
|
1397
|
this.callback = callback;
|
1398
|
|
1399
|
this.lastValue = this.getValue();
|
1400
|
if (this.element.tagName.toLowerCase() == 'form')
|
1401
|
this.registerFormCallbacks();
|
1402
|
else
|
1403
|
this.registerCallback(this.element);
|
1404
|
},
|
1405
|
|
1406
|
onElementEvent: function() {
|
1407
|
var value = this.getValue();
|
1408
|
if (this.lastValue != value) {
|
1409
|
this.callback(this.element, value);
|
1410
|
this.lastValue = value;
|
1411
|
}
|
1412
|
},
|
1413
|
|
1414
|
registerFormCallbacks: function() {
|
1415
|
var elements = Form.getElements(this.element);
|
1416
|
for (var i = 0; i < elements.length; i++)
|
1417
|
this.registerCallback(elements[i]);
|
1418
|
},
|
1419
|
|
1420
|
registerCallback: function(element) {
|
1421
|
if (element.type) {
|
1422
|
switch (element.type.toLowerCase()) {
|
1423
|
case 'checkbox':
|
1424
|
case 'radio':
|
1425
|
Event.observe(element, 'click', this.onElementEvent.bind(this));
|
1426
|
break;
|
1427
|
case 'password':
|
1428
|
case 'text':
|
1429
|
case 'textarea':
|
1430
|
case 'select-one':
|
1431
|
case 'select-multiple':
|
1432
|
Event.observe(element, 'change', this.onElementEvent.bind(this));
|
1433
|
break;
|
1434
|
}
|
1435
|
}
|
1436
|
}
|
1437
|
}
|
1438
|
|
1439
|
Form.Element.EventObserver = Class.create();
|
1440
|
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
|
1441
|
getValue: function() {
|
1442
|
return Form.Element.getValue(this.element);
|
1443
|
}
|
1444
|
});
|
1445
|
|
1446
|
Form.EventObserver = Class.create();
|
1447
|
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
|
1448
|
getValue: function() {
|
1449
|
return Form.serialize(this.element);
|
1450
|
}
|
1451
|
});
|
1452
|
if (!window.Event) {
|
1453
|
var Event = new Object();
|
1454
|
}
|
1455
|
|
1456
|
Object.extend(Event, {
|
1457
|
KEY_BACKSPACE: 8,
|
1458
|
KEY_TAB: 9,
|
1459
|
KEY_RETURN: 13,
|
1460
|
KEY_ESC: 27,
|
1461
|
KEY_LEFT: 37,
|
1462
|
KEY_UP: 38,
|
1463
|
KEY_RIGHT: 39,
|
1464
|
KEY_DOWN: 40,
|
1465
|
KEY_DELETE: 46,
|
1466
|
|
1467
|
element: function(event) {
|
1468
|
return event.target || event.srcElement;
|
1469
|
},
|
1470
|
|
1471
|
isLeftClick: function(event) {
|
1472
|
return (((event.which) && (event.which == 1)) ||
|
1473
|
((event.button) && (event.button == 1)));
|
1474
|
},
|
1475
|
|
1476
|
pointerX: function(event) {
|
1477
|
return event.pageX || (event.clientX +
|
1478
|
(document.documentElement.scrollLeft || document.body.scrollLeft));
|
1479
|
},
|
1480
|
|
1481
|
pointerY: function(event) {
|
1482
|
return event.pageY || (event.clientY +
|
1483
|
(document.documentElement.scrollTop || document.body.scrollTop));
|
1484
|
},
|
1485
|
|
1486
|
stop: function(event) {
|
1487
|
if (event.preventDefault) {
|
1488
|
event.preventDefault();
|
1489
|
event.stopPropagation();
|
1490
|
} else {
|
1491
|
event.returnValue = false;
|
1492
|
event.cancelBubble = true;
|
1493
|
}
|
1494
|
},
|
1495
|
|
1496
|
// find the first node with the given tagName, starting from the
|
1497
|
// node the event was triggered on; traverses the DOM upwards
|
1498
|
findElement: function(event, tagName) {
|
1499
|
var element = Event.element(event);
|
1500
|
while (element.parentNode && (!element.tagName ||
|
1501
|
(element.tagName.toUpperCase() != tagName.toUpperCase())))
|
1502
|
element = element.parentNode;
|
1503
|
return element;
|
1504
|
},
|
1505
|
|
1506
|
observers: false,
|
1507
|
|
1508
|
_observeAndCache: function(element, name, observer, useCapture) {
|
1509
|
if (!this.observers) this.observers = [];
|
1510
|
if (element.addEventListener) {
|
1511
|
this.observers.push([element, name, observer, useCapture]);
|
1512
|
element.addEventListener(name, observer, useCapture);
|
1513
|
} else if (element.attachEvent) {
|
1514
|
this.observers.push([element, name, observer, useCapture]);
|
1515
|
element.attachEvent('on' + name, observer);
|
1516
|
}
|
1517
|
},
|
1518
|
|
1519
|
unloadCache: function() {
|
1520
|
if (!Event.observers) return;
|
1521
|
for (var i = 0; i < Event.observers.length; i++) {
|
1522
|
Event.stopObserving.apply(this, Event.observers[i]);
|
1523
|
Event.observers[i][0] = null;
|
1524
|
}
|
1525
|
Event.observers = false;
|
1526
|
},
|
1527
|
|
1528
|
observe: function(element, name, observer, useCapture) {
|
1529
|
var element = $(element);
|
1530
|
useCapture = useCapture || false;
|
1531
|
|
1532
|
if (name == 'keypress' &&
|
1533
|
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|
1534
|
|| element.attachEvent))
|
1535
|
name = 'keydown';
|
1536
|
|
1537
|
this._observeAndCache(element, name, observer, useCapture);
|
1538
|
},
|
1539
|
|
1540
|
stopObserving: function(element, name, observer, useCapture) {
|
1541
|
var element = $(element);
|
1542
|
useCapture = useCapture || false;
|
1543
|
|
1544
|
if (name == 'keypress' &&
|
1545
|
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|
1546
|
|| element.detachEvent))
|
1547
|
name = 'keydown';
|
1548
|
|
1549
|
if (element.removeEventListener) {
|
1550
|
element.removeEventListener(name, observer, useCapture);
|
1551
|
} else if (element.detachEvent) {
|
1552
|
element.detachEvent('on' + name, observer);
|
1553
|
}
|
1554
|
}
|
1555
|
});
|
1556
|
|
1557
|
/* prevent memory leaks in IE */
|
1558
|
Event.observe(window, 'unload', Event.unloadCache, false);
|
1559
|
var Position = {
|
1560
|
// set to true if needed, warning: firefox performance problems
|
1561
|
// NOT neeeded for page scrolling, only if draggable contained in
|
1562
|
// scrollable elements
|
1563
|
includeScrollOffsets: false,
|
1564
|
|
1565
|
// must be called before calling withinIncludingScrolloffset, every time the
|
1566
|
// page is scrolled
|
1567
|
prepare: function() {
|
1568
|
this.deltaX = window.pageXOffset
|
1569
|
|| document.documentElement.scrollLeft
|
1570
|
|| document.body.scrollLeft
|
1571
|
|| 0;
|
1572
|
this.deltaY = window.pageYOffset
|
1573
|
|| document.documentElement.scrollTop
|
1574
|
|| document.body.scrollTop
|
1575
|
|| 0;
|
1576
|
},
|
1577
|
|
1578
|
realOffset: function(element) {
|
1579
|
var valueT = 0, valueL = 0;
|
1580
|
do {
|
1581
|
valueT += element.scrollTop || 0;
|
1582
|
valueL += element.scrollLeft || 0;
|
1583
|
element = element.parentNode;
|
1584
|
} while (element);
|
1585
|
return [valueL, valueT];
|
1586
|
},
|
1587
|
|
1588
|
cumulativeOffset: function(element) {
|
1589
|
var valueT = 0, valueL = 0;
|
1590
|
do {
|
1591
|
valueT += element.offsetTop || 0;
|
1592
|
valueL += element.offsetLeft || 0;
|
1593
|
element = element.offsetParent;
|
1594
|
} while (element);
|
1595
|
return [valueL, valueT];
|
1596
|
},
|
1597
|
|
1598
|
positionedOffset: function(element) {
|
1599
|
var valueT = 0, valueL = 0;
|
1600
|
do {
|
1601
|
valueT += element.offsetTop || 0;
|
1602
|
valueL += element.offsetLeft || 0;
|
1603
|
element = element.offsetParent;
|
1604
|
if (element) {
|
1605
|
p = Element.getStyle(element, 'position');
|
1606
|
if (p == 'relative' || p == 'absolute') break;
|
1607
|
}
|
1608
|
} while (element);
|
1609
|
return [valueL, valueT];
|
1610
|
},
|
1611
|
|
1612
|
offsetParent: function(element) {
|
1613
|
if (element.offsetParent) return element.offsetParent;
|
1614
|
if (element == document.body) return element;
|
1615
|
|
1616
|
while ((element = element.parentNode) && element != document.body)
|
1617
|
if (Element.getStyle(element, 'position') != 'static')
|
1618
|
return element;
|
1619
|
|
1620
|
return document.body;
|
1621
|
},
|
1622
|
|
1623
|
// caches x/y coordinate pair to use with overlap
|
1624
|
within: function(element, x, y) {
|
1625
|
if (this.includeScrollOffsets)
|
1626
|
return this.withinIncludingScrolloffsets(element, x, y);
|
1627
|
this.xcomp = x;
|
1628
|
this.ycomp = y;
|
1629
|
this.offset = this.cumulativeOffset(element);
|
1630
|
|
1631
|
return (y >= this.offset[1] &&
|
1632
|
y < this.offset[1] + element.offsetHeight &&
|
1633
|
x >= this.offset[0] &&
|
1634
|
x < this.offset[0] + element.offsetWidth);
|
1635
|
},
|
1636
|
|
1637
|
withinIncludingScrolloffsets: function(element, x, y) {
|
1638
|
var offsetcache = this.realOffset(element);
|
1639
|
|
1640
|
this.xcomp = x + offsetcache[0] - this.deltaX;
|
1641
|
this.ycomp = y + offsetcache[1] - this.deltaY;
|
1642
|
this.offset = this.cumulativeOffset(element);
|
1643
|
|
1644
|
return (this.ycomp >= this.offset[1] &&
|
1645
|
this.ycomp < this.offset[1] + element.offsetHeight &&
|
1646
|
this.xcomp >= this.offset[0] &&
|
1647
|
this.xcomp < this.offset[0] + element.offsetWidth);
|
1648
|
},
|
1649
|
|
1650
|
// within must be called directly before
|
1651
|
overlap: function(mode, element) {
|
1652
|
if (!mode) return 0;
|
1653
|
if (mode == 'vertical')
|
1654
|
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
|
1655
|
element.offsetHeight;
|
1656
|
if (mode == 'horizontal')
|
1657
|
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
|
1658
|
element.offsetWidth;
|
1659
|
},
|
1660
|
|
1661
|
clone: function(source, target) {
|
1662
|
source = $(source);
|
1663
|
target = $(target);
|
1664
|
target.style.position = 'absolute';
|
1665
|
var offsets = this.cumulativeOffset(source);
|
1666
|
target.style.top = offsets[1] + 'px';
|
1667
|
target.style.left = offsets[0] + 'px';
|
1668
|
target.style.width = source.offsetWidth + 'px';
|
1669
|
target.style.height = source.offsetHeight + 'px';
|
1670
|
},
|
1671
|
|
1672
|
page: function(forElement) {
|
1673
|
var valueT = 0, valueL = 0;
|
1674
|
|
1675
|
var element = forElement;
|
1676
|
do {
|
1677
|
valueT += element.offsetTop || 0;
|
1678
|
valueL += element.offsetLeft || 0;
|
1679
|
|
1680
|
// Safari fix
|
1681
|
if (element.offsetParent==document.body)
|
1682
|
if (Element.getStyle(element,'position')=='absolute') break;
|
1683
|
|
1684
|
} while (element = element.offsetParent);
|
1685
|
|
1686
|
element = forElement;
|
1687
|
do {
|
1688
|
valueT -= element.scrollTop || 0;
|
1689
|
valueL -= element.scrollLeft || 0;
|
1690
|
} while (element = element.parentNode);
|
1691
|
|
1692
|
return [valueL, valueT];
|
1693
|
},
|
1694
|
|
1695
|
clone: function(source, target) {
|
1696
|
var options = Object.extend({
|
1697
|
setLeft: true,
|
1698
|
setTop: true,
|
1699
|
setWidth: true,
|
1700
|
setHeight: true,
|
1701
|
offsetTop: 0,
|
1702
|
offsetLeft: 0
|
1703
|
}, arguments[2] || {})
|
1704
|
|
1705
|
// find page position of source
|
1706
|
source = $(source);
|
1707
|
var p = Position.page(source);
|
1708
|
|
1709
|
// find coordinate system to use
|
1710
|
target = $(target);
|
1711
|
var delta = [0, 0];
|
1712
|
var parent = null;
|
1713
|
// delta [0,0] will do fine with position: fixed elements,
|
1714
|
// position:absolute needs offsetParent deltas
|
1715
|
if (Element.getStyle(target,'position') == 'absolute') {
|
1716
|
parent = Position.offsetParent(target);
|
1717
|
delta = Position.page(parent);
|
1718
|
}
|
1719
|
|
1720
|
// correct by body offsets (fixes Safari)
|
1721
|
if (parent == document.body) {
|
1722
|
delta[0] -= document.body.offsetLeft;
|
1723
|
delta[1] -= document.body.offsetTop;
|
1724
|
}
|
1725
|
|
1726
|
// set position
|
1727
|
if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
|
1728
|
if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
|
1729
|
if(options.setWidth) target.style.width = source.offsetWidth + 'px';
|
1730
|
if(options.setHeight) target.style.height = source.offsetHeight + 'px';
|
1731
|
},
|
1732
|
|
1733
|
absolutize: function(element) {
|
1734
|
element = $(element);
|
1735
|
if (element.style.position == 'absolute') return;
|
1736
|
Position.prepare();
|
1737
|
|
1738
|
var offsets = Position.positionedOffset(element);
|
1739
|
var top = offsets[1];
|
1740
|
var left = offsets[0];
|
1741
|
var width = element.clientWidth;
|
1742
|
var height = element.clientHeight;
|
1743
|
|
1744
|
element._originalLeft = left - parseFloat(element.style.left || 0);
|
1745
|
element._originalTop = top - parseFloat(element.style.top || 0);
|
1746
|
element._originalWidth = element.style.width;
|
1747
|
element._originalHeight = element.style.height;
|
1748
|
|
1749
|
element.style.position = 'absolute';
|
1750
|
element.style.top = top + 'px';;
|
1751
|
element.style.left = left + 'px';;
|
1752
|
element.style.width = width + 'px';;
|
1753
|
element.style.height = height + 'px';;
|
1754
|
},
|
1755
|
|
1756
|
relativize: function(element) {
|
1757
|
element = $(element);
|
1758
|
if (element.style.position == 'relative') return;
|
1759
|
Position.prepare();
|
1760
|
|
1761
|
element.style.position = 'relative';
|
1762
|
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
|
1763
|
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
|
1764
|
|
1765
|
element.style.top = top + 'px';
|
1766
|
element.style.left = left + 'px';
|
1767
|
element.style.height = element._originalHeight;
|
1768
|
element.style.width = element._originalWidth;
|
1769
|
}
|
1770
|
}
|
1771
|
|
1772
|
// Safari returns margins on body which is incorrect if the child is absolutely
|
1773
|
// positioned. For performance reasons, redefine Position.cumulativeOffset for
|
1774
|
// KHTML/WebKit only.
|
1775
|
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
|
1776
|
Position.cumulativeOffset = function(element) {
|
1777
|
var valueT = 0, valueL = 0;
|
1778
|
do {
|
1779
|
valueT += element.offsetTop || 0;
|
1780
|
valueL += element.offsetLeft || 0;
|
1781
|
if (element.offsetParent == document.body)
|
1782
|
if (Element.getStyle(element, 'position') == 'absolute') break;
|
1783
|
|
1784
|
element = element.offsetParent;
|
1785
|
} while (element);
|
1786
|
|
1787
|
return [valueL, valueT];
|
1788
|
}
|
1789
|
}
|