var speed=30  

var demoright=document.getElementById("demoright");

var demoright2=document.getElementById("demoright2");

var demoright1=document.getElementById("demoright1");  

demoright2.innerHTML=demoright1.innerHTML

demoright.scrollLeft=demoright.scrollWidth

function Marquee(){

if(demoright.scrollLeft<=0)

demoright.scrollLeft+=demoright2.offsetWidth

else{

demoright.scrollLeft--

}

}

var MyMar=setInterval(Marquee,speed)

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

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