//ͼƬ¹ö¶¯²¿·Ö
toleft("demo","demo1","demo2",30,"hehe123") 
function $(id){return document.getElementById(id)} 
function toleft(demo,demo1,demo2,speed,flag){ 
demo=$(demo);demo1=$(demo1);demo2=$(demo2) 
demo2.innerHTML=demo1.innerHTML 
function Marquee(){ 
if(demo2.offsetWidth-demo.scrollLeft<=0){ 
demo.scrollLeft-=demo1.offsetWidth 
} 
else{ 
demo.scrollLeft++ 
} 
} 
flag=setInterval(Marquee,speed) 
demo.onmouseover=function(){clearInterval(flag);} 
demo.onmouseout=function(){flag=setInterval(Marquee,speed);} 
}