var speed=10;

var tab=document.getElementById("demo");

var tab1=document.getElementById("demo1");

var tab2=document.getElementById("demo2");

tab2.innerHTML=tab1.innerHTML;

function Marquee(){

if(tab2.offsetWidth-tab.scrollLeft==0)

tab.scrollLeft-=tab1.offsetWidth

else{

tab.scrollLeft++;

}

}

var MyMar=setInterval(Marquee,speed);

tab.onmouSEOver=function() {clearInterval(MyMar)};

tab.onmouSEOut=function() {MyMar=setInterval

(Marquee,speed)};