var s,s2,s3,timer;   
function init(){   
s=getid("hus1");   
s2=getid("hus2");   
s3=getid("hus3");   
s3.innerHTML=s2.innerHTML;   
timer=setInterval(mar,30)   
}   
function mar(){   
if(s2.offsetWidth<=s.scrollLeft){   
s.scrollLeft-=s2.offsetWidth;   
}else{
	s.scrollLeft++;}   
}   
function getid(id){   
return document.getElementById(id);   
}   
window.onload=init;