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代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>打造兼容(IE,FF,Opera,Safari,Chrome)多浏览器的JS程序</title>
<style type="text/css">
.cls_container{border:1px solid #ccc;width:680px;font-size:12px;height:24px;overflow:hidden;}
.cls_container ul{list-style-type:none;margin:0;padding:0;margin-left:32px;}
.cls_container ul li{height:24px;line-height:24px;width:320px;float:left;display:inline;}
</style>
</head>
<body>
<div id="myscroll" class="cls_container">
<ul>
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  <li><a href="#">Subversion高级应用:SVN的多种认证方式</a></li>
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  <li><a href="#">IT专家网08年回顾:开发语言与开发平台共舞 </a></li>
  <li><a href="#">下一代网络业务融合</a></li>
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  <li><a href="#">Web安全性问题的层次关系分析</a></li>
  <li><a href="#">从融合至存储以太网成企业网络终极答案</a></li>
</ul>
</div>
<div id="showhint"></div>
<script type="text/javascript">
function $(element){
if(arguments.length>1){
  for(var i=0,length=arguments.length,elements=[];i<length;i++){
   elements.push($(arguments[i]));
  }
  return elements;
}
if(typeof element=="string"){
  return document.getElementById(element);
}else{
  return element;
}
}
var Class={
create:function(){
  return function(){
   this.initialize.apply(this,arguments);
  }
}
}
Function.prototype.bind=function(object){
var method=this;
return function(){
  method.apply(object,arguments);
}
}
var Scroll=Class.create();
Scroll.prototype={
initialize:function(element,height){
  this.element=$(element);
  this.element.innerHTML+=this.element.innerHTML;
  this.height=height;
  this.maxHeight=this.element.scrollHeight/2;
  this.counter=0;
  this.scroll();
  this.timer="";
  this.element.onmouseover=this.stop.bind(this);
  this.element.onmouseout=function(){this.timer=setTimeout(this.scroll.bind(this),1000);}.bind(this);
},
scroll:function(){
  if(this.element.scrollTop<this.maxHeight){
   this.element.scrollTop++;
   this.counter++;
  }else{
   this.element.scrollTop=0;
   this.counter=0;
  }

  if(this.counter<this.height){
   this.timer=setTimeout(this.scroll.bind(this),20);
  }else{
   this.counter=0;
   this.timer=setTimeout(this.scroll.bind(this),3000);
  }
},
stop:function(){
  clearTimeout(this.timer);
}
}
var myscroll=new Scroll("myscroll",24);
</script>
</body>
</html>