var xmlHttp

function showHint(str){
	if (str.length==0){ 
		document.getElementById("txtHint").innerHTML="";
		return;
	}
	xmlHttp=GetXmlHttpObject();

	if (xmlHttp==null){
		alert ("Your browser does not support AJAX!");
		return;
	}
	var url="/artikel/getHint.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){ 
		document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject(){
	var xmlHttp=null;
	try	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e){
		// Internet Explorer
		try	{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e){
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}