var speed1=30;
    var demoo2=document.getElementById("demoo2");
    var demoo1=document.getElementById("demoo1");
    var demoo=document.getElementById("demoo");
demoo2.innerHTML=demoo1.innerHTML;
function Marquee1(){
       if(demoo2.offsetTop-demoo.scrollTop<=0){
           demoo.scrollTop-=demoo1.offsetHeight;
       }
       else{
           demoo.scrollTop++;
       }
}
var MyMar1=setInterval(Marquee1,speed1);
demoo.onmouseover=function() {clearInterval(MyMar1)};
demoo.onmouseout=function() {MyMar1=setInterval(Marquee1,speed1)};