var xmlHttp

function Status(){
xmlHttp = null;
  // Firefox, Opera 8.0+, Safari
  try { xmlHttp=new XMLHttpRequest(); }
  // Internet Explorer	
	catch (e) {
   try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }
  	catch (e)
    { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }
  }
  //niet gelukt
  	if (xmlHttp==null) { alert ("Your browser does not support AJAX!"); return; } 
  //wel gelukt
	var url="status.php?id=" + Math.random();
xmlHttp.onreadystatechange=function() {
	if (xmlHttp.readyState==4) { document.getElementById("statistieken").innerHTML=xmlHttp.responseText; }
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}