function ajaxRequest(){
var ajaxRequest;
try {ajaxRequest = new XMLHttpRequest();} 
catch (e){
try {ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");}
catch (e){
try {ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");} 
catch (e){
alert("Install a new browser!");
return false;
}}}
return ajaxRequest;
}



function haalop( adres , divid ){
if ( divid != "" ){ document.getElementById(divid).innerHTML = "<BR /><img src='images/loading.gif' border=0 height=13> loading......"; }
var bla = new Date();  var d = bla.getTime();
var naartoe = adres + "&d=" + d; 

        var xmlhttp = ajaxRequest();
        xmlhttp.open("GET", naartoe, true);
        xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        xmlhttp.send("");

xmlhttp.onreadystatechange = function(){ 
if(xmlhttp.readyState == 4){
if (xmlhttp.status == 200){ 
if ( divid != "" ){
    document.getElementById( divid ).innerHTML = xmlhttp.responseText; var bla1= new Date(); t2 = bla1.getTime();
    }else{
    onrafel(xmlhttp.responseText);
    }	
}
}
} 
}