var speed=30;


$(document).ready(function(){
document.getElementById("demo2").innerHTML=document.getElementById("demo1").innerHTML ;
function Marquee(){ 
if(document.getElementById("demo2").offsetWidth-document.getElementById("demo").scrollLeft<=0) 
document.getElementById("demo").scrollLeft-=document.getElementById("demo1").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)} 
 });