function xmlhttp()
{
	/*
	var xconn, bComplete = false;
	try { 
		xconn = new ActiveXObject("Msxml2.XMLHTTP"); 
	}catch (e) { 
		try {
			xconn = new ActiveXObject("Microsoft.XMLHTTP");
		}catch (e) {
			try { 
				xconn = new XMLHttpRequest(); 
			}catch (e) {
				xconn = false;
			}
		}
	}
	if (!xconn) return null;
	*/
	/*if  (window.ActiveXObject)   {
        myajax  =   new  ActiveXObject( " Microsoft.XMLHTTP " );
    }  
     else   if  (window.XMLHttpRequest)   {
        myajax  =   new  XMLHttpRequest();
    } 
*/
  var myajax;
  if(window.XMLHttpRequest)
    myajax=new XMLHttpRequest();
  else if(typeof   ActiveXObject!="undefined")
  {
  	 myajax  =   new ActiveXObject("Microsoft.XMLHTTP");
  }		
  return myajax;
}	

function getData(queryUrl,dataMethod,async){
	
  var myajax= xmlhttp();
  
	var myurl=(queryUrl.indexOf("?")>0?"&":"?") +"timestamp="+(new Date().getTime());
		
	myajax.onreadystatechange  =function(){ eval( dataMethod +"(myajax)"); };
	
	myajax.open("POST",queryUrl,async);
//	myajax.setRequestHeader( " Content-Type " ,  " application/x-www-form-urlencoded " );    
  myajax.send(null);
  //return myajax;
  
 		
}