var speed1=25//ٶֵխٶխ
rollright1.innerhtml=rollleft1.innerhtml
function marquee1(){
if(rollright1.offsetwidth-roll1.scrollleft<=0)
roll1.scrollleft-=rollleft1.offsetwidth
else{
roll1.scrollleft++
}
}
var mymar1=setinterval(marquee1,speed1)
roll1.onmouseover=function() {clearinterval(mymar1)}
roll1.onmouseout=function() {mymar1=setinterval(marquee1,speed1)}