var speed=30
demo2.innerHTML=demo1.innerHTML
function Marquee3(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
}
var MyMar1=setInterval(Marquee3,speed)
demo.onmouseover=function() {clearInterval(MyMar1)}
demo.onmouseout=function() {MyMar1=setInterval(Marquee3,speed)}