
 代码如下:  
 文章标题列表     
 var speed=30
 demo2.innerHTML=demo1.innerHTML
 function Marquee(){
 if(demo2.offsetTop-demo.scrollTop<=0)
 demo.scrollTop-=demo1.offsetHeight
 else{
 demo.scrollTop++
 }
 }
 var MyMar=setInterval(Marquee,speed)
 demo.onmouseover=function() {clearInterval(MyMar)}
 demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
  script>