// Generic AJAX routine which executes the URL and replaces the contents of objId with the result
function pak_ajax(vurl, objId)
{
   var http = false;
   if(navigator.appName == "Microsoft Internet Explorer")
      {
        http = new ActiveXObject("Microsoft.XMLHTTP");
      }
   else
      {
       http = new XMLHttpRequest();
      }
   http.open("GET", vurl, true);
   http.onreadystatechange=function()
    {
    if(http.readyState == 4)
       {
         document.getElementById(objId).innerHTML = http.responseText;
       }
    }
   http.send(null);
}
function createRequestObject(){
	var request_;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_ = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		 request_ = new XMLHttpRequest();
	}
	return request_;
}

var http = createRequestObject();

function handleInfo(){
	if(http.readyState == 1){
		document.getElementById('body').innerHTML = 'Loading...';
	}
	if(http.readyState == 4){
		var response = http.responseText;
		document.getElementById('body').innerHTML = response;
	}
}

function WT_action(page){
	http.open('get', 'http://www.erim.eur.nl/portal/page?_pageid=93,3506373&_dad=portal&_schema=PORTAL&p_aff_id=' + page);
	http.onreadystatechange = handleInfo;
	http.send(null);
}