寻找卓越网鼠标经过链接的时候出现一个DIV,触发这个事件的代码
如题:进入http://www.amazon.cn/channel/mobile.asp      鼠标放在       "所有20类商品 "      上面,出来一个DIV,我想知道触发这个事件的代码在哪?      我的提问向来不喜欢把分分给多个人,所以请不会的,凑热闹的不要回答,谢谢!
------解决方案--------------------很久很久以前有个同样的问题摆在我面前,我没有珍惜,等我失去的时候我才后悔莫及,人世间最痛苦的事莫过于此。现在同样的问题重现在我面前!不用再犹豫了!如果上天能够给我一个再来一次的机会,对这个帖子说: 
 -----------------------------------------------   
  <html>  
  <head>  
  <style type= "text/css ">  
 .wc, #wc1, #wc2 { 
 	position:absolute; 
 	border-width:0px; 
 	z-index:2; 
 	left:0px; 
 	top:0px; 
 	display:none; 
 } 
 #wc1 { 
 	width:320px; 
 	height:240px; 
 	background-color:#FFCC00; 
 } 
 #wc2 { 
 	width:420px; 
 	height:340px; 
 	background-color:#CCCCCC; 
 } 
 .wc { 
 	z-index:1; 
 } 
  </style>  
  <script type= "text/javascript ">  
 (function () { 
 	var interval = window.setInterval; 
 	window.setInterval = function (a, b) { 
 		var fun; 
 		if ( "function " == typeof a) { 
 			var arg = Array.prototype.slice.call(arguments, 2); 
 			fun = function () { 
 				a.apply(null, arg); 
 			}; 
 		} else { 
 			fun = a; 
 		} 
 		return interval(fun, b); 
 	}; 
 })();   
 function createOpenMenu(changeTime) { 
 	var intervalTime = 5, wc_number = 0;   
 	function addIframe() { 
 	//添加一个Iframe为了遮盖住IE的Select... 
 		var ifr = document.createElement( "iframe "); 
 		ifr.setAttribute( "id ",  "ifr_ " + (++ wc_number)); 
 		ifr.setAttribute( "className ",  "wc "); 
 		ifr.setAttribute( "class ",  "wc "); 
 		document.body.appendChild(ifr); 
 		return $( "ifr_ " + wc_number); //返回新加入的Iframe... 
 	}  	 
 	function changeMenu(o) { 
 	//改变对象属性..以达到收缩效果... 
 		if (eval(o.bool)) { 
 			o.t_iframe.style.width = o.style.width = (o.t_num * o.t_width) +  "px "; //设置Iframe和div的宽度.. 
 			o.t_iframe.style.height = o.style.height = (o.t_num * o.t_height) +  "px "; //设置Ifrmae和div的高度.. 
 			o.t_iframe.style.left = o.style.left = o.t_left - o.offsetWidth / 2 +  "px "; //设置Iframe和div的Left位置... 
 		} else { 
 			if (/ </.test(o.bool)) { //如果是over的时候结束了的话,那么就显示内容.. 
 				o.innerHTML = o.context; 
 			} else { //否则就把Iframe和div隐藏... 
 				o.t_iframe.style.display = o.style.display =  "none "; 
 			} 
 			window.clearInterval(o.timer); //清楚记时器 
 		} 
 	}  	 
 	function over() { 
 	//当鼠标经过时..执行... 
 		var o = this.o; 
 		var par = this.p; 
 		o.bool =  "++ o.t_num  < changeTime "; //改变判断.. 
 		if (o.t_num  <= 0 ||  "undefined " == typeof o.timer) { //如果记时器为空的时候 
 			o.innerHTML =  " "; //内容设置为空 
 			o.t_iframe.style.display = o.style.display =  "block "; //设置为显示 
 			o.t_iframe.style.width = o.style.width =  "0px "; 
 			o.t_iframe.style.height = o.style.height =  "0px "; 
 			o.t_iframe.style.left = o.style.left = o.t_left - o.offsetWidth / 2 +  "px "; //设置Iframe和div的left位置.. 
 			o.t_iframe.style.top = o.style.top = par.offsetTop + par.offsetHeight - 5 +  "px "; //设置Iframe和div的top位置.. 
 			o.timer = window.setInterval(changeMenu, intervalTime, o); //建立记时器 
 		} 
 		window.clearInterval(o.clear); 
 	}  	 
 	function out(o) { 
 	//当鼠标移开时..执行... 
 		o.bool =  "-- o.t_num >  0 "; //改变判断.. 
 		o.innerHTML =  " "; 
 		if (o.t_num > = changeTime) { 
 			o.timer = window.setInterval(cha