// JavaScript Document
var speed=50 

demo_2.innerHTML=demo_1.innerHTML 

function Marquee(){ 

if(demo_2.offsetTop-demo_.scrollTop<=0) 

demo_.scrollTop-=demo_1.offsetHeight 

else{ 

demo_.scrollTop++;

} 

} 

var MyMar=setInterval(Marquee,speed)  

demo_.onmouseover=function() {clearInterval(MyMar)} 

demo_.onmouseout=function() {MyMar=setInterval(Marquee,speed)}