// JavaScript Document
var speed=10; //数字越大速度越慢
var tabIndex=document.getElementById("demo");
var tabIndex1=document.getElementById("demo1");
var tabIndex2=document.getElementById("demo2");
tabIndex2.innerHTML=tabIndex1.innerHTML;
function MarqueeIndex(){
if(tabIndex2.offsetWidth-tabIndex.scrollLeft<=0)
tabIndex.scrollLeft-=tabIndex1.offsetWidth
else{
tabIndex.scrollLeft++;
}
}
var MyMarIndex=setInterval(MarqueeIndex,speed);
tabIndex.onmouseover=function() {clearInterval(MyMarIndex)};
tabIndex.onmouseout=function() {MyMarIndex=setInterval(MarqueeIndex,speed)};