var LeftMyMar;
var MyMar;
var speed=30;
function  MarqueeLeft()
{
clearInterval(MyMar)
demo2.innerHTML=demo1.innerHTML
//Ïò×ó×ß
function Marquee(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
}
LeftMyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(LeftMyMar)}
demo.onmouseout=function() {LeftMyMar=setInterval(Marquee,speed)}
}
MarqueeLeft();
function MarqueeRight()
{
clearInterval(LeftMyMar)
demo2.innerHTML=demo1.innerHTML
demo.scrollLeft=demo.scrollWidth
function Marquee(){
if(demo.scrollLeft<=0)
demo.scrollLeft+=demo2.offsetWidth
else{
demo.scrollLeft--
}
}
MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
}