var xmlHttp;
function showUser(str){
	xmlHttp=GetXmlHttpObject();
	if(xmlHttp==null){
		alert("Browser does not support HTTP Request");
		return;
	}
	var url="nieuwsbrief3.php";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function stateChanged(){
	if(xmlHttp.readyState==4||xmlHttp.readyState=="complete"){
		document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	}
}
function GetXmlHttpObject(){
	var xmlHttp=null;
	try{
		xmlHttp=new XMLHttpRequest();
	}
	catch(e){
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e){
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}