YongHu_UI/js/uisearch.js

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/**
 * uisearch.js v1.0.0
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Copyright 2013, Codrops
 * http://www.codrops.com
 */
;( function( window ) {
	
	'use strict';
	
	// EventListener | @jon_neal | //github.com/jonathantneal/EventListener
	!window.addEventListener && window.Element && (function () {
	   function addToPrototype(name, method) {
		  Window.prototype[name] = HTMLDocument.prototype[name] = Element.prototype[name] = method;
	   }
	 
	   var registry = [];
	 
	   addToPrototype("addEventListener", function (type, listener) {
		  var target = this;
	 
		  registry.unshift({
			 __listener: function (event) {
				event.currentTarget = target;
				event.pageX = event.clientX + document.documentElement.scrollLeft;
				event.pageY = event.clientY + document.documentElement.scrollTop;
				event.preventDefault = function () { event.returnValue = false };
				event.relatedTarget = event.fromElement || null;
				event.stopPropagation = function () { event.cancelBubble = true };
				event.relatedTarget = event.fromElement || null;
				event.target = event.srcElement || target;
				event.timeStamp = +new Date;
	 
				listener.call(target, event);
			 },
			 listener: listener,
			 target: target,
			 type: type
		  });
	 
		  this.attachEvent("on" + type, registry[0].__listener);
	   });
	 
	   addToPrototype("removeEventListener", function (type, listener) {
		  for (var index = 0, length = registry.length; index < length; ++index) {
			 if (registry[index].target == this && registry[index].type == type && registry[index].listener == listener) {
				return this.detachEvent("on" + type, registry.splice(index, 1)[0].__listener);
			 }
		  }
	   });
	 
	   addToPrototype("dispatchEvent", function (eventObject) {
		  try {
			 return this.fireEvent("on" + eventObject.type, eventObject);
		  } catch (error) {
			 for (var index = 0, length = registry.length; index < length; ++index) {