function show_navigation(what, showlevel){
	var catid =  what.href.match(/\.(\d*)\./);
	catid = RegExp.$1;
	if(navdivs[showlevel])
	if(navdivs[showlevel]['obj']){
	var level = navdivs[showlevel]['obj'];
	nav = level.getElementsByTagName('ul')[0];
	var listpoint;
	var alink;
	if(navpoint[catid]){
		level.style.visibility = "visible";
		while (nav.childNodes[0]) {
			nav.removeChild(nav.childNodes[0]);
		}	
		if(showlevel == 2){
			document.getElementById('level3').style.visibility = "hidden";
		} 
		
		var listpointcat = new Array();
		for(var i = 0; i < navpoint[catid].length; i++){
			listpoint = document.createElement("li");
			alink  	  = document.createElement("a");
			alink.appendChild(document.createTextNode(navpoint[catid][i]['Titel']));
			alink.setAttribute("href", "page_"+navpoint[catid][i]['Linkziel']+".htm");

			if(showlevel == 2 && navpoint[catid][i]['NewsID'] == null){
				alink.onmouseover = function() { show_navigation(this, 3)}; 
			}
			listpoint.appendChild(alink);	
			nav.appendChild(listpoint);
		}
		
		// LINK KLASSEN KORRIGIEREN
		var doccatid =  document.location.href.match(/\.(\d*)\./);
		doccatid = RegExp.$1;
		if(aktivlinks[showlevel-1]&& aktivlinks[showlevel-1].id!='activ1')
		aktivlinks[showlevel-1].className = "";

		if(document.getElementById('activ1')&& doccatid!=catid)
		document.getElementById('activ1').className= '';

		what.parentNode.className = "isactiv";
		aktivlinks[showlevel-1] = what.parentNode;
	}}
}