JS：新闻公告滚动，li布局

预览效果：

样式：

<style type="text/css">
#hotNews {border:1px solid #ccc;width:320px;background:url(laba.png) no-repeat 5px 5px;}
#hotNews ul{font-size:12px;height:24px;overflow:hidden;}
#hotNews ul{list-style-type:none;margin:0;padding:0;margin-left:32px;}
#hotNews ul li{height:24px;line-height:24px;width:320px;float:left;display:inline;}
</style>

布局代码：

<div id="hotNews">
 <ul id="hotNewsUl">
 <li><a href="#">任志强：房价不高，胸罩比房子还暴利</a></li>
 <li><a href="#">木子美：约炮不是卖淫也不是性骚扰</a></li>
 <li><a href="#">里宁：现在的男人几乎没有不出轨的</a></li>
 <li><a href="#">李剑芒：毛时代农民进城隔夜不归是罪</a></li>
 <li><a href="#">冯学荣：北洋时期媒体可随意讽刺政府</a></li>
 </ul>
</div>

Javascript：

<script type="text/javascript">
function scollNew(element){
 if(arguments.length>1){
  for(var i=0,length=arguments.length,elements=[];i<length;i++){
   elements.push(scollNew(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=scollNew(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("hotNewsUl",24);
</script>