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/* Prototype JavaScript framework, version 1.3.1
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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: '1.3.1',
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emptyFunction: function() {}
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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.prototype.extend = function(object) {
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return Object.extend.apply(this, [this, object]);
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}
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Function.prototype.bind = function(object) {
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var __method = this;
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return function() {
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__method.apply(object, 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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__method.call(object, event || window.event);
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}
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}
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Number.prototype.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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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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if (!Array.prototype.push) {
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Array.prototype.push = function() {
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var startLength = this.length;
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for (var i = 0; i < arguments.length; i++)
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this[startLength + i] = arguments[i];
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return this.length;
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}
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}
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if (!Function.prototype.apply) {
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// Based on code from http://www.youngpup.net/
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Function.prototype.apply = function(object, parameters) {
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var parameterStrings = new Array();
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if (!object) object = window;
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if (!parameters) parameters = new Array();
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for (var i = 0; i < parameters.length; i++)
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parameterStrings[i] = 'parameters[' + i + ']';
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object.__apply__ = this;
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var result = eval('object.__apply__(' +
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parameterStrings.join(', ') + ')');
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object.__apply__ = null;
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return result;
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}
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}
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String.prototype.extend({
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stripTags: function() {
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return this.replace(/<\/?[^>]+>/gi, '');
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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].nodeValue;
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}
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});
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var Ajax = {
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getTransport: function() {
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return Try.these(
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function() {return new ActiveXObject('Msxml2.XMLHTTP')},
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function() {return new ActiveXObject('Microsoft.XMLHTTP')},
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function() {return new XMLHttpRequest()}
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) || false;
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}
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}
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Ajax.Base = function() {};
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Ajax.Base.prototype = {
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setOptions: function(options) {
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this.options = {
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method: 'post',
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asynchronous: true,
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parameters: ''
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}.extend(options || {});
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},
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responseIsSuccess: function() {
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return this.transport.status == undefined
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|| this.transport.status == 0
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|| (this.transport.status >= 200 && this.transport.status < 300);
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},
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responseIsFailure: function() {
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return !this.responseIsSuccess();
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}
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}
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Ajax.Request = Class.create();
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Ajax.Request.Events =
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['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
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Ajax.Request.prototype = (new Ajax.Base()).extend({
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initialize: function(url, options) {
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this.transport = Ajax.getTransport();
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this.setOptions(options);
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this.request(url);
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},
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request: function(url) {
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var parameters = this.options.parameters || '';
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if (parameters.length > 0) parameters += '&_=';
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try {
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if (this.options.method == 'get')
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url += '?' + parameters;
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this.transport.open(this.options.method, url,
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this.options.asynchronous);
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if (this.options.asynchronous) {
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this.transport.onreadystatechange = this.onStateChange.bind(this);
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setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
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}
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this.setRequestHeaders();
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var body = this.options.postBody ? this.options.postBody : parameters;
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this.transport.send(this.options.method == 'post' ? body : null);
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} catch (e) {
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}
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},
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setRequestHeaders: function() {
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var requestHeaders =
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['X-Requested-With', 'XMLHttpRequest',
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'X-Prototype-Version', Prototype.Version];
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if (this.options.method == 'post') {
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requestHeaders.push('Content-type',
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'application/x-www-form-urlencoded');
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/* Force "Connection: close" for Mozilla browsers to work around
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* a bug where XMLHttpReqeuest sends an incorrect Content-length
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* header. See Mozilla Bugzilla #246651.
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*/
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if (this.transport.overrideMimeType)
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requestHeaders.push('Connection', 'close');
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}
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if (this.options.requestHeaders)
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requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
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for (var i = 0; i < requestHeaders.length; i += 2)
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this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
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},
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onStateChange: function() {
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var readyState = this.transport.readyState;
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if (readyState != 1)
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this.respondToReadyState(this.transport.readyState);
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},
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respondToReadyState: function(readyState) {
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var event = Ajax.Request.Events[readyState];
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if (event == 'Complete')
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(this.options['on' + this.transport.status]
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|| this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
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|| Prototype.emptyFunction)(this.transport);
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(this.options['on' + event] || Prototype.emptyFunction)(this.transport);
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/* Avoid memory leak in MSIE: clean up the oncomplete event handler */
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if (event == 'Complete')
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this.transport.onreadystatechange = Prototype.emptyFunction;
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}
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});
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Ajax.Updater = Class.create();
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Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
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Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({
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initialize: function(container, url, options) {
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this.containers = {
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success: container.success ? $(container.success) : $(container),
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failure: container.failure ? $(container.failure) :
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(container.success ? null : $(container))
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}
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this.transport = Ajax.getTransport();
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this.setOptions(options);
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var onComplete = this.options.onComplete || Prototype.emptyFunction;
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this.options.onComplete = (function() {
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this.updateContent();
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onComplete(this.transport);
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}).bind(this);
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this.request(url);
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},
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updateContent: function() {
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var receiver = this.responseIsSuccess() ?
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this.containers.success : this.containers.failure;
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var match = new RegExp(Ajax.Updater.ScriptFragment, 'img');
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var response = this.transport.responseText.replace(match, '');
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var scripts = this.transport.responseText.match(match);
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if (receiver) {
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if (this.options.insertion) {
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new this.options.insertion(receiver, response);
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} else {
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receiver.innerHTML = response;
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}
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}
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320
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if (this.responseIsSuccess()) {
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if (this.onComplete)
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setTimeout((function() {this.onComplete(
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this.transport)}).bind(this), 10);
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}
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326
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327
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if (this.options.evalScripts && scripts) {
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match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
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setTimeout((function() {
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for (var i = 0; i < scripts.length; i++)
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eval(scripts[i].match(match)[1]);
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}).bind(this), 10);
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}
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}
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});
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336
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337
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Ajax.PeriodicalUpdater = Class.create();
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Ajax.PeriodicalUpdater.prototype = (new Ajax.Base()).extend({
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initialize: function(container, url, options) {
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this.setOptions(options);
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341
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this.onComplete = this.options.onComplete;
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343
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this.frequency = (this.options.frequency || 2);
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344
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this.decay = 1;
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345
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346
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this.updater = {};
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347
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this.container = container;
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348
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this.url = url;
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349
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350
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this.start();
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},
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352
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353
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start: function() {
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this.options.onComplete = this.updateComplete.bind(this);
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this.onTimerEvent();
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356
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},
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357
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358
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stop: function() {
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359
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this.updater.onComplete = undefined;
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360
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clearTimeout(this.timer);
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361
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(this.onComplete || Ajax.emptyFunction).apply(this, arguments);
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362
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},
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363
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364
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updateComplete: function(request) {
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365
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if (this.options.decay) {
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366
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this.decay = (request.responseText == this.lastText ?
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367
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this.decay * this.options.decay : 1);
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368
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369
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this.lastText = request.responseText;
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370
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}
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371
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this.timer = setTimeout(this.onTimerEvent.bind(this),
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372
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this.decay * this.frequency * 1000);
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373
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},
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374
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375
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onTimerEvent: function() {
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376
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this.updater = new Ajax.Updater(this.container, this.url, this.options);
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377
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}
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378
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});
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379
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|
380
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document.getElementsByClassName = function(className) {
|
381
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var children = document.getElementsByTagName('*') || document.all;
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382
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var elements = new Array();
|
383
|
|
384
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for (var i = 0; i < children.length; i++) {
|
385
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var child = children[i];
|
386
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var classNames = child.className.split(' ');
|
387
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for (var j = 0; j < classNames.length; j++) {
|
388
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if (classNames[j] == className) {
|
389
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elements.push(child);
|
390
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break;
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391
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}
|
392
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}
|
393
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}
|
394
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|
395
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return elements;
|
396
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}
|
397
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|
398
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/*--------------------------------------------------------------------------*/
|
399
|
|
400
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if (!window.Element) {
|
401
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var Element = new Object();
|
402
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}
|
403
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|
404
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Object.extend(Element, {
|
405
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toggle: function() {
|
406
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for (var i = 0; i < arguments.length; i++) {
|
407
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var element = $(arguments[i]);
|
408
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element.style.display =
|
409
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(element.style.display == 'none' ? '' : 'none');
|
410
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}
|
411
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},
|
412
|
|
413
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hide: function() {
|
414
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for (var i = 0; i < arguments.length; i++) {
|
415
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var element = $(arguments[i]);
|
416
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element.style.display = 'none';
|
417
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}
|
418
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},
|
419
|
|
420
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show: function() {
|
421
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for (var i = 0; i < arguments.length; i++) {
|
422
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var element = $(arguments[i]);
|
423
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element.style.display = '';
|
424
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}
|
425
|
},
|
426
|
|
427
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remove: function(element) {
|
428
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element = $(element);
|
429
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element.parentNode.removeChild(element);
|
430
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},
|
431
|
|
432
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getHeight: function(element) {
|
433
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element = $(element);
|
434
|
return element.offsetHeight;
|
435
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},
|
436
|
|
437
|
hasClassName: function(element, className) {
|
438
|
element = $(element);
|
439
|
if (!element)
|
440
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return;
|
441
|
var a = element.className.split(' ');
|
442
|
for (var i = 0; i < a.length; i++) {
|
443
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if (a[i] == className)
|
444
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return true;
|
445
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}
|
446
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return false;
|
447
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},
|
448
|
|
449
|
addClassName: function(element, className) {
|
450
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element = $(element);
|
451
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Element.removeClassName(element, className);
|
452
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element.className += ' ' + className;
|
453
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},
|
454
|
|
455
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removeClassName: function(element, className) {
|
456
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element = $(element);
|
457
|
if (!element)
|
458
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return;
|
459
|
var newClassName = '';
|
460
|
var a = element.className.split(' ');
|
461
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for (var i = 0; i < a.length; i++) {
|
462
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if (a[i] != className) {
|
463
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if (i > 0)
|
464
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newClassName += ' ';
|
465
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newClassName += a[i];
|
466
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}
|
467
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}
|
468
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element.className = newClassName;
|
469
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},
|
470
|
|
471
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// removes whitespace-only text node children
|
472
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cleanWhitespace: function(element) {
|
473
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var element = $(element);
|
474
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for (var i = 0; i < element.childNodes.length; i++) {
|
475
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var node = element.childNodes[i];
|
476
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if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
|
477
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Element.remove(node);
|
478
|
}
|
479
|
}
|
480
|
});
|
481
|
|
482
|
var Toggle = new Object();
|
483
|
Toggle.display = Element.toggle;
|
484
|
|
485
|
/*--------------------------------------------------------------------------*/
|
486
|
|
487
|
Abstract.Insertion = function(adjacency) {
|
488
|
this.adjacency = adjacency;
|
489
|
}
|
490
|
|
491
|
Abstract.Insertion.prototype = {
|
492
|
initialize: function(element, content) {
|
493
|
this.element = $(element);
|
494
|
this.content = content;
|
495
|
|
496
|
if (this.adjacency && this.element.insertAdjacentHTML) {
|
497
|
this.element.insertAdjacentHTML(this.adjacency, this.content);
|
498
|
} else {
|
499
|
this.range = this.element.ownerDocument.createRange();
|
500
|
if (this.initializeRange) this.initializeRange();
|
501
|
this.fragment = this.range.createContextualFragment(this.content);
|
502
|
this.insertContent();
|
503
|
}
|
504
|
}
|
505
|
}
|
506
|
|
507
|
var Insertion = new Object();
|
508
|
|
509
|
Insertion.Before = Class.create();
|
510
|
Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({
|
511
|
initializeRange: function() {
|
512
|
this.range.setStartBefore(this.element);
|
513
|
},
|
514
|
|
515
|
insertContent: function() {
|
516
|
this.element.parentNode.insertBefore(this.fragment, this.element);
|
517
|
}
|
518
|
});
|
519
|
|
520
|
Insertion.Top = Class.create();
|
521
|
Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({
|
522
|
initializeRange: function() {
|
523
|
this.range.selectNodeContents(this.element);
|
524
|
this.range.collapse(true);
|
525
|
},
|
526
|
|
527
|
insertContent: function() {
|
528
|
this.element.insertBefore(this.fragment, this.element.firstChild);
|
529
|
}
|
530
|
});
|
531
|
|
532
|
Insertion.Bottom = Class.create();
|
533
|
Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({
|
534
|
initializeRange: function() {
|
535
|
this.range.selectNodeContents(this.element);
|
536
|
this.range.collapse(this.element);
|
537
|
},
|
538
|
|
539
|
insertContent: function() {
|
540
|
this.element.appendChild(this.fragment);
|
541
|
}
|
542
|
});
|
543
|
|
544
|
Insertion.After = Class.create();
|
545
|
Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({
|
546
|
initializeRange: function() {
|
547
|
this.range.setStartAfter(this.element);
|
548
|
},
|
549
|
|
550
|
insertContent: function() {
|
551
|
this.element.parentNode.insertBefore(this.fragment,
|
552
|
this.element.nextSibling);
|
553
|
}
|
554
|
});
|
555
|
|
556
|
var Field = {
|
557
|
clear: function() {
|
558
|
for (var i = 0; i < arguments.length; i++)
|
559
|
$(arguments[i]).value = '';
|
560
|
},
|
561
|
|
562
|
focus: function(element) {
|
563
|
$(element).focus();
|
564
|
},
|
565
|
|
566
|
present: function() {
|
567
|
for (var i = 0; i < arguments.length; i++)
|
568
|
if ($(arguments[i]).value == '') return false;
|
569
|
return true;
|
570
|
},
|
571
|
|
572
|
select: function(element) {
|
573
|
$(element).select();
|
574
|
},
|
575
|
|
576
|
activate: function(element) {
|
577
|
$(element).focus();
|
578
|
$(element).select();
|
579
|
}
|
580
|
}
|
581
|
|
582
|
/*--------------------------------------------------------------------------*/
|
583
|
|
584
|
var Form = {
|
585
|
serialize: function(form) {
|
586
|
var elements = Form.getElements($(form));
|
587
|
var queryComponents = new Array();
|
588
|
|
589
|
for (var i = 0; i < elements.length; i++) {
|
590
|
var queryComponent = Form.Element.serialize(elements[i]);
|
591
|
if (queryComponent)
|
592
|
queryComponents.push(queryComponent);
|
593
|
}
|
594
|
|
595
|
return queryComponents.join('&');
|
596
|
},
|
597
|
|
598
|
getElements: function(form) {
|
599
|
var form = $(form);
|
600
|
var elements = new Array();
|
601
|
|
602
|
for (tagName in Form.Element.Serializers) {
|
603
|
var tagElements = form.getElementsByTagName(tagName);
|
604
|
for (var j = 0; j < tagElements.length; j++)
|
605
|
elements.push(tagElements[j]);
|
606
|
}
|
607
|
return elements;
|
608
|
},
|
609
|
|
610
|
getInputs: function(form, typeName, name) {
|
611
|
var form = $(form);
|
612
|
var inputs = form.getElementsByTagName('input');
|
613
|
|
614
|
if (!typeName && !name)
|
615
|
return inputs;
|
616
|
|
617
|
var matchingInputs = new Array();
|
618
|
for (var i = 0; i < inputs.length; i++) {
|
619
|
var input = inputs[i];
|
620
|
if ((typeName && input.type != typeName) ||
|
621
|
(name && input.name != name))
|
622
|
continue;
|
623
|
matchingInputs.push(input);
|
624
|
}
|
625
|
|
626
|
return matchingInputs;
|
627
|
},
|
628
|
|
629
|
disable: function(form) {
|
630
|
var elements = Form.getElements(form);
|
631
|
for (var i = 0; i < elements.length; i++) {
|
632
|
var element = elements[i];
|
633
|
element.blur();
|
634
|
element.disabled = 'true';
|
635
|
}
|
636
|
},
|
637
|
|
638
|
enable: function(form) {
|
639
|
var elements = Form.getElements(form);
|
640
|
for (var i = 0; i < elements.length; i++) {
|
641
|
var element = elements[i];
|
642
|
element.disabled = '';
|
643
|
}
|
644
|
},
|
645
|
|
646
|
focusFirstElement: function(form) {
|
647
|
var form = $(form);
|
648
|
var elements = Form.getElements(form);
|
649
|
for (var i = 0; i < elements.length; i++) {
|
650
|
var element = elements[i];
|
651
|
if (element.type != 'hidden' && !element.disabled) {
|
652
|
Field.activate(element);
|
653
|
break;
|
654
|
}
|
655
|
}
|
656
|
},
|
657
|
|
658
|
reset: function(form) {
|
659
|
$(form).reset();
|
660
|
}
|
661
|
}
|
662
|
|
663
|
Form.Element = {
|
664
|
serialize: function(element) {
|
665
|
var element = $(element);
|
666
|
var method = element.tagName.toLowerCase();
|
667
|
var parameter = Form.Element.Serializers[method](element);
|
668
|
|
669
|
if (parameter)
|
670
|
return encodeURIComponent(parameter[0]) + '=' +
|
671
|
encodeURIComponent(parameter[1]);
|
672
|
},
|
673
|
|
674
|
getValue: function(element) {
|
675
|
var element = $(element);
|
676
|
var method = element.tagName.toLowerCase();
|
677
|
var parameter = Form.Element.Serializers[method](element);
|
678
|
|
679
|
if (parameter)
|
680
|
return parameter[1];
|
681
|
}
|
682
|
}
|
683
|
|
684
|
Form.Element.Serializers = {
|
685
|
input: function(element) {
|
686
|
switch (element.type.toLowerCase()) {
|
687
|
case 'submit':
|
688
|
case 'hidden':
|
689
|
case 'password':
|
690
|
case 'text':
|
691
|
return Form.Element.Serializers.textarea(element);
|
692
|
case 'checkbox':
|
693
|
case 'radio':
|
694
|
return Form.Element.Serializers.inputSelector(element);
|
695
|
}
|
696
|
return false;
|
697
|
},
|
698
|
|
699
|
inputSelector: function(element) {
|
700
|
if (element.checked)
|
701
|
return [element.name, element.value];
|
702
|
},
|
703
|
|
704
|
textarea: function(element) {
|
705
|
return [element.name, element.value];
|
706
|
},
|
707
|
|
708
|
select: function(element) {
|
709
|
var value = '';
|
710
|
if (element.type == 'select-one') {
|
711
|
var index = element.selectedIndex;
|
712
|
if (index >= 0)
|
713
|
value = element.options[index].value || element.options[index].text;
|
714
|
} else {
|
715
|
value = new Array();
|
716
|
for (var i = 0; i < element.length; i++) {
|
717
|
var opt = element.options[i];
|
718
|
if (opt.selected)
|
719
|
value.push(opt.value || opt.text);
|
720
|
}
|
721
|
}
|
722
|
return [element.name, value];
|
723
|
}
|
724
|
}
|
725
|
|
726
|
/*--------------------------------------------------------------------------*/
|
727
|
|
728
|
var $F = Form.Element.getValue;
|
729
|
|
730
|
/*--------------------------------------------------------------------------*/
|
731
|
|
732
|
Abstract.TimedObserver = function() {}
|
733
|
Abstract.TimedObserver.prototype = {
|
734
|
initialize: function(element, frequency, callback) {
|
735
|
this.frequency = frequency;
|
736
|
this.element = $(element);
|
737
|
this.callback = callback;
|
738
|
|
739
|
this.lastValue = this.getValue();
|
740
|
this.registerCallback();
|
741
|
},
|
742
|
|
743
|
registerCallback: function() {
|
744
|
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
|
745
|
},
|
746
|
|
747
|
onTimerEvent: function() {
|
748
|
var value = this.getValue();
|
749
|
if (this.lastValue != value) {
|
750
|
this.callback(this.element, value);
|
751
|
this.lastValue = value;
|
752
|
}
|
753
|
}
|
754
|
}
|
755
|
|
756
|
Form.Element.Observer = Class.create();
|
757
|
Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({
|
758
|
getValue: function() {
|
759
|
return Form.Element.getValue(this.element);
|
760
|
}
|
761
|
});
|
762
|
|
763
|
Form.Observer = Class.create();
|
764
|
Form.Observer.prototype = (new Abstract.TimedObserver()).extend({
|
765
|
getValue: function() {
|
766
|
return Form.serialize(this.element);
|
767
|
}
|
768
|
});
|
769
|
|
770
|
/*--------------------------------------------------------------------------*/
|
771
|
|
772
|
Abstract.EventObserver = function() {}
|
773
|
Abstract.EventObserver.prototype = {
|
774
|
initialize: function(element, callback) {
|
775
|
this.element = $(element);
|
776
|
this.callback = callback;
|
777
|
|
778
|
this.lastValue = this.getValue();
|
779
|
if (this.element.tagName.toLowerCase() == 'form')
|
780
|
this.registerFormCallbacks();
|
781
|
else
|
782
|
this.registerCallback(this.element);
|
783
|
},
|
784
|
|
785
|
onElementEvent: function() {
|
786
|
var value = this.getValue();
|
787
|
if (this.lastValue != value) {
|
788
|
this.callback(this.element, value);
|
789
|
this.lastValue = value;
|
790
|
}
|
791
|
},
|
792
|
|
793
|
registerFormCallbacks: function() {
|
794
|
var elements = Form.getElements(this.element);
|
795
|
for (var i = 0; i < elements.length; i++)
|
796
|
this.registerCallback(elements[i]);
|
797
|
},
|
798
|
|
799
|
registerCallback: function(element) {
|
800
|
if (element.type) {
|
801
|
switch (element.type.toLowerCase()) {
|
802
|
case 'checkbox':
|
803
|
case 'radio':
|
804
|
element.target = this;
|
805
|
element.prev_onclick = element.onclick || Prototype.emptyFunction;
|
806
|
element.onclick = function() {
|
807
|
this.prev_onclick();
|
808
|
this.target.onElementEvent();
|
809
|
}
|
810
|
break;
|
811
|
case 'password':
|
812
|
case 'text':
|
813
|
case 'textarea':
|
814
|
case 'select-one':
|
815
|
case 'select-multiple':
|
816
|
element.target = this;
|
817
|
element.prev_onchange = element.onchange || Prototype.emptyFunction;
|
818
|
element.onchange = function() {
|
819
|
this.prev_onchange();
|
820
|
this.target.onElementEvent();
|
821
|
}
|
822
|
break;
|
823
|
}
|
824
|
}
|
825
|
}
|
826
|
}
|
827
|
|
828
|
Form.Element.EventObserver = Class.create();
|
829
|
Form.Element.EventObserver.prototype = (new Abstract.EventObserver()).extend({
|
830
|
getValue: function() {
|
831
|
return Form.Element.getValue(this.element);
|
832
|
}
|
833
|
});
|
834
|
|
835
|
Form.EventObserver = Class.create();
|
836
|
Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({
|
837
|
getValue: function() {
|
838
|
return Form.serialize(this.element);
|
839
|
}
|
840
|
});
|
841
|
|
842
|
|
843
|
if (!window.Event) {
|
844
|
var Event = new Object();
|
845
|
}
|
846
|
|
847
|
Object.extend(Event, {
|
848
|
KEY_BACKSPACE: 8,
|
849
|
KEY_TAB: 9,
|
850
|
KEY_RETURN: 13,
|
851
|
KEY_ESC: 27,
|
852
|
KEY_LEFT: 37,
|
853
|
KEY_UP: 38,
|
854
|
KEY_RIGHT: 39,
|
855
|
KEY_DOWN: 40,
|
856
|
KEY_DELETE: 46,
|
857
|
|
858
|
element: function(event) {
|
859
|
return event.target || event.srcElement;
|
860
|
},
|
861
|
|
862
|
isLeftClick: function(event) {
|
863
|
return (((event.which) && (event.which == 1)) ||
|
864
|
((event.button) && (event.button == 1)));
|
865
|
},
|
866
|
|
867
|
pointerX: function(event) {
|
868
|
return event.pageX || (event.clientX +
|
869
|
(document.documentElement.scrollLeft || document.body.scrollLeft));
|
870
|
},
|
871
|
|
872
|
pointerY: function(event) {
|
873
|
return event.pageY || (event.clientY +
|
874
|
(document.documentElement.scrollTop || document.body.scrollTop));
|
875
|
},
|
876
|
|
877
|
stop: function(event) {
|
878
|
if (event.preventDefault) {
|
879
|
event.preventDefault();
|
880
|
event.stopPropagation();
|
881
|
} else {
|
882
|
event.returnValue = false;
|
883
|
}
|
884
|
},
|
885
|
|
886
|
// find the first node with the given tagName, starting from the
|
887
|
// node the event was triggered on; traverses the DOM upwards
|
888
|
findElement: function(event, tagName) {
|
889
|
var element = Event.element(event);
|
890
|
while (element.parentNode && (!element.tagName ||
|
891
|
(element.tagName.toUpperCase() != tagName.toUpperCase())))
|
892
|
element = element.parentNode;
|
893
|
return element;
|
894
|
},
|
895
|
|
896
|
observers: false,
|
897
|
|
898
|
_observeAndCache: function(element, name, observer, useCapture) {
|
899
|
if (!this.observers) this.observers = [];
|
900
|
if (element.addEventListener) {
|
901
|
this.observers.push([element, name, observer, useCapture]);
|
902
|
element.addEventListener(name, observer, useCapture);
|
903
|
} else if (element.attachEvent) {
|
904
|
this.observers.push([element, name, observer, useCapture]);
|
905
|
element.attachEvent('on' + name, observer);
|
906
|
}
|
907
|
},
|
908
|
|
909
|
unloadCache: function() {
|
910
|
if (!Event.observers) return;
|
911
|
for (var i = 0; i < Event.observers.length; i++) {
|
912
|
Event.stopObserving.apply(this, Event.observers[i]);
|
913
|
Event.observers[i][0] = null;
|
914
|
}
|
915
|
Event.observers = false;
|
916
|
},
|
917
|
|
918
|
observe: function(element, name, observer, useCapture) {
|
919
|
var element = $(element);
|
920
|
useCapture = useCapture || false;
|
921
|
|
922
|
if (name == 'keypress' &&
|
923
|
((navigator.appVersion.indexOf('AppleWebKit') > 0)
|
924
|
|| element.attachEvent))
|
925
|
name = 'keydown';
|
926
|
|
927
|
this._observeAndCache(element, name, observer, useCapture);
|
928
|
},
|
929
|
|
930
|
stopObserving: function(element, name, observer, useCapture) {
|
931
|
var element = $(element);
|
932
|
useCapture = useCapture || false;
|
933
|
|
934
|
if (name == 'keypress' &&
|
935
|
((navigator.appVersion.indexOf('AppleWebKit') > 0)
|
936
|
|| element.detachEvent))
|
937
|
name = 'keydown';
|
938
|
|
939
|
if (element.removeEventListener) {
|
940
|
element.removeEventListener(name, observer, useCapture);
|
941
|
} else if (element.detachEvent) {
|
942
|
element.detachEvent('on' + name, observer);
|
943
|
}
|
944
|
}
|
945
|
});
|
946
|
|
947
|
/* prevent memory leaks in IE */
|
948
|
Event.observe(window, 'unload', Event.unloadCache, false);
|
949
|
|
950
|
var Position = {
|
951
|
|
952
|
// set to true if needed, warning: firefox performance problems
|
953
|
// NOT neeeded for page scrolling, only if draggable contained in
|
954
|
// scrollable elements
|
955
|
includeScrollOffsets: false,
|
956
|
|
957
|
// must be called before calling withinIncludingScrolloffset, every time the
|
958
|
// page is scrolled
|
959
|
prepare: function() {
|
960
|
this.deltaX = window.pageXOffset
|
961
|
|| document.documentElement.scrollLeft
|
962
|
|| document.body.scrollLeft
|
963
|
|| 0;
|
964
|
this.deltaY = window.pageYOffset
|
965
|
|| document.documentElement.scrollTop
|
966
|
|| document.body.scrollTop
|
967
|
|| 0;
|
968
|
},
|
969
|
|
970
|
realOffset: function(element) {
|
971
|
var valueT = 0, valueL = 0;
|
972
|
do {
|
973
|
valueT += element.scrollTop || 0;
|
974
|
valueL += element.scrollLeft || 0;
|
975
|
element = element.parentNode;
|
976
|
} while (element);
|
977
|
return [valueL, valueT];
|
978
|
},
|
979
|
|
980
|
cumulativeOffset: function(element) {
|
981
|
var valueT = 0, valueL = 0;
|
982
|
do {
|
983
|
valueT += element.offsetTop || 0;
|
984
|
valueL += element.offsetLeft || 0;
|
985
|
element = element.offsetParent;
|
986
|
} while (element);
|
987
|
return [valueL, valueT];
|
988
|
},
|
989
|
|
990
|
// caches x/y coordinate pair to use with overlap
|
991
|
within: function(element, x, y) {
|
992
|
if (this.includeScrollOffsets)
|
993
|
return this.withinIncludingScrolloffsets(element, x, y);
|
994
|
this.xcomp = x;
|
995
|
this.ycomp = y;
|
996
|
this.offset = this.cumulativeOffset(element);
|
997
|
|
998
|
return (y >= this.offset[1] &&
|
999
|
y < this.offset[1] + element.offsetHeight &&
|
1000
|
x >= this.offset[0] &&
|
1001
|
x < this.offset[0] + element.offsetWidth);
|
1002
|
},
|
1003
|
|
1004
|
withinIncludingScrolloffsets: function(element, x, y) {
|
1005
|
var offsetcache = this.realOffset(element);
|
1006
|
|
1007
|
this.xcomp = x + offsetcache[0] - this.deltaX;
|
1008
|
this.ycomp = y + offsetcache[1] - this.deltaY;
|
1009
|
this.offset = this.cumulativeOffset(element);
|
1010
|
|
1011
|
return (this.ycomp >= this.offset[1] &&
|
1012
|
this.ycomp < this.offset[1] + element.offsetHeight &&
|
1013
|
this.xcomp >= this.offset[0] &&
|
1014
|
this.xcomp < this.offset[0] + element.offsetWidth);
|
1015
|
},
|
1016
|
|
1017
|
// within must be called directly before
|
1018
|
overlap: function(mode, element) {
|
1019
|
if (!mode) return 0;
|
1020
|
if (mode == 'vertical')
|
1021
|
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
|
1022
|
element.offsetHeight;
|
1023
|
if (mode == 'horizontal')
|
1024
|
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
|
1025
|
element.offsetWidth;
|
1026
|
},
|
1027
|
|
1028
|
clone: function(source, target) {
|
1029
|
source = $(source);
|
1030
|
target = $(target);
|
1031
|
target.style.position = 'absolute';
|
1032
|
var offsets = this.cumulativeOffset(source);
|
1033
|
target.style.top = offsets[1] + 'px';
|
1034
|
target.style.left = offsets[0] + 'px';
|
1035
|
target.style.width = source.offsetWidth + 'px';
|
1036
|
target.style.height = source.offsetHeight + 'px';
|
1037
|
}
|
1038
|
}
|