var SpeedRolling=40  //调整滚动速度数字越小速度越快！
TextBottom.innerHTML=TextContent.innerHTML
function Marquee(){
if(TextBottom.offsetTop-RollingBox.scrollTop<=0)
RollingBox.scrollTop-=TextContent.offsetHeight
else{
RollingBox.scrollTop++
}
}
var MyMarquee=setInterval(Marquee,SpeedRolling)
RollingBox.onmouseover=function() {clearInterval(MyMarquee)}
RollingBox.onmouseout=function() {MyMarquee=setInterval(Marquee,SpeedRolling)}