// JavaScript Document

<!--
//这是滚动函数兼容ie和firefox
function gundong(a,b,c,speed){
var speed1=40 
var demo=document.getElementById(a); 
var demo1=document.getElementById(b); 
var demo2=document.getElementById(c); 
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)}
 }
 //滚动函数结束
 -->