var speed=15   
						   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)}