function getAnchor(pre) {
	var url = self.location.href;
	var plz = url.split("#");
	plz = plz[1];
	
	if( plz === undefined || plz == "liste" ) {
		plz = pre;
	}
	
	return plz;
}


function showPLZ(plz) {
	for (var i = 2; i <= 5; i++) {
		var ul = document.getElementById("plz_bereich_"+i);
		var a = document.getElementById("link_plz_bereich_"+i);
		
		if(ul && a) {		
			if (i != plz ) {
				ul.style.display = 'none';
				a.className = 'plz';
			} else {
				ul.style.display = 'inline';
				a.className = 'plz active';
			}
		}
	}
}