var speed=30
demoo2.innerHTML=demoo1.innerHTML
function Marquee(){
if(demoo2.offsetWidth-demoo.scrollLeft<=0)
demoo.scrollLeft-=demoo1.offsetWidth
else{
demoo.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
demoo.onmouseover=function() {clearInterval(MyMar)}
demoo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}