function divWidthMove(demo,demo1,demo2)
{
var speed=30;
document.getElementById(demo2).innerHTML=document.getElementById(demo1).innerHTML;
function Marquee(){
if(document.getElementById(demo).scrollLeft<=0)
document.getElementById(demo).scrollLeft+=document.getElementById(demo2).offsetWidth;
else{
document.getElementById(demo).scrollLeft--;
}
}
var MyMar=setInterval(Marquee,speed);
document.getElementById(demo).onmouseover=function() {clearInterval(MyMar);}
document.getElementById(demo).onmouseout=function() {MyMar=setInterval(Marquee,speed);}
}

function divHeightMove(demo,demo1,demo2)
{
var speed2=30 ;
document.getElementById(demo2).innerHTML=document.getElementById(demo1).innerHTML; 
function Marquee2(){ 
if(document.getElementById(demo2).offsetTop-document.getElementById(demo).scrollTop<=0)   
document.getElementById(demo).scrollTop-=document.getElementById(demo1).offsetHeight; 
else{ 
document.getElementById(demo).scrollTop++;
} 
} 
var MyMar2=setInterval(Marquee2,speed2)//设置定时器 
//鼠标移上时清除定时器达到滚动停止的目的 
document.getElementById(demo).onmouseover=function() {clearInterval(MyMar2);} 
//鼠标移开时重设定时器 
document.getElementById(demo).onmouseout=function(){MyMar2=setInterval(Marquee2,speed2);} 
}