var XMLHttpRequestObject = false;
	try{
		//Firefox, Opera, Safari, IE7
		XMLHttpRequestObject = new XMLHttpRequest();
	}
	catch(e){
		try{
			//IE5
			XMLHttpRequestObject = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e){
			try{
				//IE6
				XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e){
				alert("Je browser ondersteunt geen AJAX!");
			}
		}
	}
	function getData(url){
		if(XMLHttpRequestObject){
			XMLHttpRequestObject.open("GET", url);
			XMLHttpRequestObject.onreadystatechange = function(){
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200){
					document.getElementById("contentcontainer").innerHTML = XMLHttpRequestObject.responseText;
					document.getElementById("submenucontainer").innerHTML = "";
				}
			}
			XMLHttpRequestObject.send(null);
		}
	}
	function getSub(url){
		if(XMLHttpRequestObject){
			XMLHttpRequestObject.open("GET", url);
			XMLHttpRequestObject.onreadystatechange = function(){
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
					document.getElementById("submenucontainer").innerHTML = XMLHttpRequestObject.responseText;
			}
			XMLHttpRequestObject.send(null);
		}
	}
	function getSubData(url){
		if(XMLHttpRequestObject){
			XMLHttpRequestObject.open("GET", url);
			XMLHttpRequestObject.onreadystatechange = function(){
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
					document.getElementById("contentcontainer").innerHTML = XMLHttpRequestObject.responseText;
			}
			XMLHttpRequestObject.send(null);
		}
	}