//使用div时，请保证colee_left2与colee_left1是在同一行上.
			var speed=30//速度数值越大速度越慢
			var colee_left2=document.getElementById("colee_left2");
			var colee_left1=document.getElementById("colee_left1");
			var colee_left=document.getElementById("colee_left");
			colee_left2.innerHTML=colee_left1.innerHTML
			function Marquee3(){
			if(colee_left2.offsetWidth-colee_left.scrollLeft<=0)//offsetWidth 是对象的可见宽度
			colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽，不包边线宽度
			else{
			colee_left.scrollLeft++
			}
			}
			var MyMar3=setInterval(Marquee3,speed)
			colee_left.onmouseover=function() {clearInterval(MyMar3)}
			colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}