// JavaScript Document
var speed=30
var Fx=true
demo2.innerHTML=demo1.innerHTML
function Marquee(){
		if(Fx){
	//上
				if(demo2.offsetTop-demo.scrollTop<=0)
				demo.scrollTop-=demo1.offsetHeight
				else{
				demo.scrollTop++
				}
		}else{
			
				if(demo2.offsetTop-demo.scrollTop>=0)
				demo.scrollTop+=demo1.offsetHeight
				else
				{
				demo.scrollTop--
				}
			}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}