function initAjaxRequest() {
	var request;
	if (window.ActiveXObject) {
		request = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		request = new XMLHttpRequest();
	}
	return request;
}

function sendAjaxGetRequest(url) {
	ajaxRequest = initAjaxRequest();
	var rand = Math.random();
	ajaxRequest.open('GET', ''+url+'&rand='+rand+'');
	ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajaxRequest.onreadystatechange = function() {
		if (ajaxRequest.readyState == 4) {
			document.getElementById('medewerker').innerHTML = ajaxRequest.responseText;
		}
	}
	ajaxRequest.send(null);
}

function GetMedewerker(Id){
	sendAjaxGetRequest('/ajax/medewerkers.php?id='+Id);
}