var speed=30
demo2.innerHTML=demo1.innerHTML

function Marquee(){
	if(demo2.offsetWidth-demo.scrollLeft<=0)
		demo.scrollLeft-=demo1.offsetWidth		
	else{
	demo.scrollLeft++
	}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}