var speed=30//速度数值越大速度越慢
var colee_left2_2=document.getElementById("colee_left2_2");
var colee_left1_2=document.getElementById("colee_left1_2");
var colee_left_2=document.getElementById("colee_left_2");
colee_left2_2.innerHTML=colee_left1_2.innerHTML
function Marquee3(){
if(colee_left2_2.offsetWidth-colee_left_2.scrollLeft<=0)//offsetWidth 是对象的可见宽度
colee_left_2.scrollLeft-=colee_left1_2.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
else{
colee_left_2.scrollLeft++
}
}
var MyMar3=setInterval(Marquee3,speed)
colee_left_2.onmouseover=function() {clearInterval(MyMar3)}
colee_left_2.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}