var speed=40//�ٶ���ֵխ���ٶ�խ��
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 �ƕ���ŀɼ����
colee_left.scrollleft-=colee_left1.offsetwidth//scrollwidth �ƕ����ʵ�����ݵŀ���������߿��
else{
colee_left.scrollleft++
}
}
var mymar3=setinterval(marquee3,speed)
colee_left.onmouseover=function() { clearinterval(mymar3)}
colee_left.onmouseout=function() { mymar3=setinterval(marquee3,speed)}