// JScript 文件
var speed3=25//速度数值越大速度越慢
demo5.innerHTML=demo4.innerHTML
function Marquee(){
if(demo5.offsetWidth-demo3.scrollLeft<=0)
demo3.scrollLeft-=demo4.offsetWidth
else{
demo3.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed3)
demo3.onmouseover=function() {clearInterval(MyMar)}
demo3.onmouseout=function() {MyMar=setInterval(Marquee,speed3)}