<!-- 图片专题1开始 -->
	function guanggao(obj){
	var speed=60;
	var offset=62;
	document.getElementById(obj+"2").innerHTML=document.getElementById(obj+"1").innerHTML; 
		function Marquee(){
		   if(document.getElementById(obj+"2").offsetTop-(document.getElementById(obj).scrollTop+offset)<=0){
		   	document.getElementById(obj).scrollTop-=document.getElementById(obj+"1").offsetHeight; 
		   }else{
		    document.getElementById(obj).scrollTop++;
		   } 
		} 
		var MyMar=setInterval(Marquee,speed); //设置定时器 
		document.getElementById(obj).onmouseover=function(){
		   clearInterval(MyMar);
		} 
		document.getElementById(obj).onmouseout=function(){
		   MyMar=setInterval(Marquee,speed);
		}
	}
	guanggao("MyMarquee");
<!-- 图片专题2开始 -->
	var speed3=30
	MyMarquee_cbyc2.innerHTML=MyMarquee_cbyc1.innerHTML
	MyMarquee_cbyc.scrollLeft=MyMarquee_cbyc.scrollWidth
	function Marquee(){
	if(MyMarquee_cbyc.scrollLeft<=0)
	MyMarquee_cbyc.scrollLeft+=MyMarquee_cbyc2.offsetWidth
	else{
	MyMarquee_cbyc.scrollLeft--
	}
	}
	var MyMar=setInterval(Marquee,speed3)
	MyMarquee_cbyc.onmouseover=function() {clearInterval(MyMar)}
	MyMarquee_cbyc.onmouseout=function () {MyMar=setInterval(Marquee,speed3)}
	
	/*var speed3=25//速度数值越大速度越慢
	MyMarquee_cbyc2.innerHTML=MyMarquee_cbyc1.innerHTML
	function Marquee(){
	if(MyMarquee_cbyc2.offsetWidth-MyMarquee_cbyc.scrollLeft<=0)
	MyMarquee_cbyc.scrollLeft-=MyMarquee_cbyc1.offsetWidth
	else{
	MyMarquee_cbyc.scrollLeft++
	}
	}
	var MyMar=setInterval(Marquee,speed3)
	MyMarquee_cbyc.onmouseover=function() {clearInterval(MyMar)}
	MyMarquee_cbyc.onmouseout=function() {MyMar=setInterval(Marquee,speed3)}*/