var speed=30; //数字越大速度越慢
var tabry=document.getElementById("demory");
var tabry1=document.getElementById("demory1");
var tabry2=document.getElementById("demory2");
tabry2.innerHTML=tabry1.innerHTML;
function Marquee(){
if(tabry2.offsetWidth-tabry.scrollLeft<=0)
tabry.scrollLeft-=tabry1.offsetWidth
else{
tabry.scrollLeft++;
}
}
var MyMar=setInterval(Marquee,speed);
tabry.onmouseover=function() {clearInterval(MyMar)};
tabry.onmouseout=function() {MyMar=setInterval(Marquee,speed)};