var speed3=25//速度数值越大速度越慢
demo4.innerHTML=demo3.innerHTML
function Marquee0(){
	if(demo4.offsetWidth-demo10.scrollLeft<=0)
		demo10.scrollLeft-=demo3.offsetWidth
	else{
		demo10.scrollLeft++
	}
}
var MyMar0=setInterval(Marquee0,speed3)
demo10.onmouseover=function() {clearInterval(MyMar0)}
demo10.onmouseout=function() {MyMar0=setInterval(Marquee0,speed3)}