var speed3=20
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth;
else{ demo.scrollLeft++ }
}
function Marquee1(){ 
if(demo.scrollLeft<=0) 
demo.scrollLeft+=demo2.offsetWidth 
else{ 
demo.scrollLeft-- 
} 
}
var MyMar=setInterval(Marquee,speed3);
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed3)}
ll.onmouseover=function()
{ clearInterval(MyMar);
  MyMar=setInterval(Marquee,speed3);
}
rr.onmouseover=function()
{ clearInterval(MyMar);
 //demo.scrollLeft=demo2.offsetWidth;
 MyMar=setInterval(Marquee1,speed3);
}