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()
								{
									if(screen.width<=800)
									{
										for(var i=0;i<collection.length;i++)
										{
											collection[i].object.style.display    = 'none';
										}
										return;
									}
									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    = '';
									}
								}    
								
  
  var XMLHttpReq=null; 
   //创建xmlhttprequset对象 
   var _siteid="4";
   function createXMLHttpRequest()
   { 
       if(window.ActiveXObject){
         XMLHttpReq = new ActiveXObject("Microsoft.XMLHttp");
        }else if(window.ActiveXObject){
         XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP.4.0");
        }else if(window.ActiveXObject){
         XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
        }else if(window.XMLHttpRequest){
         XMLHttpReq = new XMLHttpRequest();
         }
   }


//发送请求函数 
function floatAdRequest(SiteId){ 
 if(XMLHttpReq==null)
 {
    createXMLHttpRequest(); 
 }
 _siteid = SiteId;
 XMLHttpReq.open("Get","./xml/index_SideAd.xml",false);
 var contentType='application/x-www-form-urlencoded';
 XMLHttpReq.setRequestHeader('Content-Type', contentType);
 XMLHttpReq.onreadystatechange=processResponse; 
 XMLHttpReq.send(); 
} 

function processResponse(){ 

   if(XMLHttpReq.readyState==4){ 
   if(XMLHttpReq.status==200)
   { 
   var doc=XMLHttpReq.responseXML.documentElement;
   var site = doc.getElementsByTagName("SiteId");
   var x = doc.getElementsByTagName("x");
   var y = doc.getElementsByTagName("y");
   var href = doc.getElementsByTagName("href");
   var imgsrc = doc.getElementsByTagName("imgsrc");
   var html = doc.getElementsByTagName("html");
   var theFloaters        = new floaters();
   var i;
   var content ="";
 for(i=0;i<x.length;i++)
 {
	 
	if(site[i].firstChild.data==_siteid) 
	{
	    if(html[i].firstChild.data!="")
		{
		   content = html[i].firstChild.data;	
	     }
		else
		{
        content = "<img src="+ imgsrc[i].firstChild.data +" border=0>";
         if(href[i].firstChild.data !="")
         {
           content = "<a href="+ href[i].firstChild.data  +" target=_blank>" + content + "</a>";
         }
		}
    //theFloaters.addItem('followDiv1',6,170,'<a href=TrainingChannel/default.aspx target=_blank><img src=./index_ad/index_floatAd.gif border=0></a>');
    theFloaters.addItem('followDiv'+i,eval(x[i].firstChild.data),eval(y[i].firstChild.data),content+ "<a href='#' onclick='followDiv" + i + ".style.visibility = \"hidden\"'><img src=./image/close.gif border=0></a>");
	}
}
						
					
theFloaters.play();
}else{alert("您请求的页面有异常!");} 
} 
}