// JavaScript Document
var speed=50;
   demo2.innerHTML=demo1.innerHTML;
   function Marquee()
   {
       if(demo2.offsetTop-demo.scrollTop<=0)
       {
            demo.scrollTop-=demo1.offsetHeight;
       }
       else
       {
            demo.scrollTop++;
       }
   }
   var MyMar=setInterval(Marquee,speed)
   demo.onmouseover=function()
   {
        clearInterval(MyMar);
   }
   demo.onmouseout=function() 
   {
        MyMar=setInterval(Marquee,speed);
   }