function createXMLHttpRequest() {
   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
   try { return new XMLHttpRequest(); } catch(e) {}
   alert("XMLHttpRequest not supported");
   return null;
 }
 
 function createOptionNode(xmlo){
 	var mid = xmlo.getElementsByTagName('id')[0].firstChild.nodeValue;
	var date = xmlo.getElementsByTagName('date')[0].firstChild.nodeValue;
	var headline = xmlo.getElementsByTagName('headline')[0].firstChild.nodeValue;
	var o = document.createElement('OPTION');
	o.setAttribute('value',mid);
	var txt = document.createTextNode(date +"__"+headline);
	o.appendChild(txt);
	return o;
}

function clearNodeList(selobj){
	var l = selobj.getElementsByTagName('option').length;
	for(var i=0;i<l;i++){
		selobj.removeChild(selobj.getElementsByTagName('option')[0]);
	}
}

function onclk(e){
	var selid = e.options[e.selectedIndex].value;
	var reqobj = createXMLHttpRequest();
	var req = "inc/rt/getlist.php?id="+selid;
	reqobj.open("GET", req, true);
 	reqobj.onreadystatechange=function(){
		if(reqobj.readyState != 4){return;}
		var serverResponse = reqobj.responseXML;
		var l = serverResponse.getElementsByTagName('OPTION').length;
		var rts = document.getElementById("rts");
		clearNodeList(rts);
		for(var i=0;i<l;i++){
			rts.appendChild(createOptionNode(serverResponse.getElementsByTagName('OPTION')[i]));
		}
	};
	reqobj.send(null);
 	
}

function onclk2(e){
	var selid = e.options[e.selectedIndex].value;
	var reqobj = createXMLHttpRequest();
	var req = "inc/rt/getrechtstipp.php?id="+selid;
	reqobj.open("GET", req, true);
 	reqobj.onreadystatechange=function(){
		if(reqobj.readyState != 4){return;}
		var serverResponse = reqobj.responseText;
		var innen = document.getElementById('innen');
		var rt	= document.getElementById('rt');
		innen.removeChild(rt);
		innen.innerHTML = serverResponse;		
		
		
	};
	reqobj.send(null);
}