// JavaScript Document
  function gungun(demo,demo1,demo2,fang,_speed){
	this.demo = demo;
	this.demo1 = demo1;
	this.demo2 = demo2;
	this.fang = fang;
 	var speed=10;
	if(_speed!=""&&_speed!=0)
	    speed=_speed;
demo2.innerHTML=demo1.innerHTML
  function Marquee(){
		  if(fang=="left"){
				if(demo2.offsetWidth-demo.scrollLeft<=0)
				  demo.scrollLeft-=demo1.offsetWidth;
				  else{
				  demo.scrollLeft++
				  }
			}
			if(fang=="up"){
				if(demo2.offsetHeight-demo.scrollTop<=0)
				demo.scrollTop-=demo1.offsetHeight
				else{
				demo.scrollTop++
					}
			}
} 
 var MyMar=setInterval(Marquee,speed)
  demo.onmouseover=function() {clearInterval(MyMar)}
  demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
  //rongcuo
  if(arguments.length!==5){
  	alert("´íÎóµÄ²ÎÊý!")
  }
 }
  function getObject(objectId) {
   if(document.getElementById && document.getElementById(objectId)) {
// W3C DOM
return document.getElementById(objectId);
   } else if (document.all && document.all(objectId)) {
// MSIE 4 DOM
return document.all(objectId);
   } else if (document.layers && document.layers[objectId]) {
// NN 4 DOM.. note: this won't find nested layers
return document.layers[objectId];
   } else {
return false;
   }
}