var delta=0.15 
	var collection; 
	function floaters() { 
		this.items	= []; 
		this.addItem	= function(id,x,y,content) 
				  { 
					document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+'</DIV>'); 
					
					var newItem				= {}; 
					newItem.object			= document.getElementById(id); 
					newItem.x				= x; 
					newItem.y				= y; 

					this.items[this.items.length]		= newItem; 
				  } 
		this.play	= function() 
				  { 
					collection				= this.items 
					setInterval('play()',10); 
				  } 
		} 
		function play() 
		{ 

			for(var i=0;i<collection.length;i++) 
			{
				var followObj		= collection[i].object;
				var followObj_x		= (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x);
				var followObj_y		= (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y);

				if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {
					var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
					dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx)); 
					followObj.style.left=followObj.offsetLeft+dx; 
					} 

				if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) { 
					var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta; 
					dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy)); 
					followObj.style.top=followObj.offsetTop+dy; 
					} 
				followObj.style.display	= ''; 
			} 
		}	 
function closeAd1(){ 
followDiv1.style.visibility='hidden';} 
function closeAd2(){ 
followDiv2.style.visibility='hidden';} 
	var theFloaters		= new floaters(); 
	theFloaters.addItem('followDiv1',907,120,'<a href=http://www.stujj.com/teacher.asp target=_blank><img src=image/right.gif border=0 width="80" height="200"></a><br>- <a href=javascript:closeAd1()>¹Ø±Õ</a> -'); 
	theFloaters.addItem('followDiv2',15,120,'<a href=http://www.stujj.com/reg.asp target=_blank><img src=image/left.gif border=0 width="80" height="200"></a><br>- <a href=javascript:closeAd2()>¹Ø±Õ</a> -'); 
	theFloaters.play();