var speed2=40
demo2.innerHTML=demo1.innerHTML
function MyMarquee(){
	if(demo2.offsetTop-demo.scrollTop<=0)
		demo.scrollTop-=demo1.offsetHeight
	else{
		demo.scrollTop++
	}
}
var MyMar2=setInterval(MyMarquee,speed2)
demo.onmouseover=function() {clearInterval(MyMar2)}
demo.onmouseout=function() {MyMar2=setInterval(MyMarquee,speed2)}