/*´´½¨XMLHttprequest¶ÔÏó*/
    function getXMLRequester()
    {    
    var xmlhttp_request = false;    
        try
        {        
            if(window.ActiveXObject)
            {            
                 for(var i=5;i;i--)
                 {
                    try
                    {                   
                        if(i==2)
                        {
                            xmlhttp_request = new ActiveXObject("Microsoft.XMLHTTP");                       
                        }
                        else
                        {
                            xmlhttp_request = new ActiveXObject("Msxml2.XMLHTTP."+i+".0");	
                            xmlhttp_request.setRequestHeader("Content-Type","text/xml");xmlhttp_request.setRequestHeader("Content-Type","gb2312");
                        }
                        break;
                    }               
                    catch(e)
                    {   
                        xmlhttp_request = false;              
                    }          
                 }       
            }
            else if(window.XMLHttpRequest)
            {            
                xmlhttp_request = new XMLHttpRequest();           
                if(xmlhttp_request.overrideMimeType)
                {                
                    xmlhttp_request.overrideMimeType('text/xml');            
                }       
            }   
        }
        catch(e)
        {        
            xmlhttp_request = false;   
        }    
        return xmlhttp_request ;
    }
    var XmlHttp=getXMLRequester();
	function jf(id)
		{
			XmlHttp.Open("POST","http://www.cfedu.net/itdown/dljb.asp?id="+id+"",true);
			//alert(Durl);
			XmlHttp.send(null);
			//setTimeout('XmlHttp.abort()',3000)
			XmlHttp.onreadystatechange=ServerProcess;
		}
		
		function ServerProcess()
		{
			if (XmlHttp.readystate==4 || XmlHttp.readystate=='complete')
			{
				var msgtxt =XmlHttp.responsetext;
				alert(msgtxt);
//				   if(confirm(msgtxt))
//					 return true;
//				   else
//					 return false;
			}
		}