//左右
				var speed=3;  //值越大速度越慢  
				demo2.innerHTML=demo1.innerHTML;  
				function Marquee(){  
				
				//左移  
				if(demo2.offsetWidth-demo.scrollLeft<=0)
				demo.scrollLeft-=demo1.offsetWidth
				else{
				demo.scrollLeft++
				}
				
				//右移
				//if(demo1.offsetWidth-demo.scrollLeft>=0)
				//demo.scrollLeft+=demo2.offsetWidth
				//else{
				//demo.scrollLeft--
				//}
				
				}
				var MyMar=setInterval(Marquee,speed)  
				//鼠标悬停效果 
				demo.onmouseover=function() {clearInterval(MyMar)}  
				demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}  
				//-->  
			//上下
				marqueesWidth=0;
				marqueesHeight=177;
				stopscroll=false;
				
				with(marquees){
				  style.width=marqueesWidth;
				  style.height=marqueesHeight;
				  style.overflowX="visible";
				  style.overflowY="hidden";
				  noWrap=true;
				  onmouseover=new Function("stopscroll=true");
				  onmouseout=new Function("stopscroll=false");
				}
				document.write('<div id="templayer" style="visibility:hidden;"></div>');
				
				preTop=0; currentTop=0; 
				
				function init(){
				  templayer.innerHTML="";
				  while(templayer.offsetHeight<marqueesHeight){
					templayer.innerHTML+=marquees.innerHTML;
				  }
				  marquees.innerHTML=templayer.innerHTML+templayer.innerHTML;
				  setInterval("scrollUp()",30);//越大越慢
				}
				if(document.getElementById("marquees").innerText!="")
				{
				    document.body.onload=init;
				}
				
				function scrollUp(){
				  if(stopscroll==true) return;
				  preTop=marquees.scrollTop;
				  marquees.scrollTop+=1;
				  if(preTop==marquees.scrollTop){
					marquees.scrollTop=templayer.offsetHeight-marqueesHeight;
					marquees.scrollTop+=1;
				  }
				}