function zeigeAktuelles() {
var 	flaeche = document.getElementById ("aktuelles");
	flaeche.style.visibility="visible";
         flaeche.style.cursor="pointer";}

function zeigeKontakt() {
var 	flaeche = document.getElementById ("kontakt");
	flaeche.style.visibility="visible";
         flaeche.style.cursor="pointer";}

function zeigePortrait() {
var 	flaeche = document.getElementById ("portrait");
	flaeche.style.visibility="visible";
         flaeche.style.cursor="pointer";}

function zeigeLinks() {
var 	flaeche = document.getElementById ("links");
	flaeche.style.visibility="visible";
         flaeche.style.cursor="pointer";}

function versteckeAktuelles() {
var 	flaeche = document.getElementById ("aktuelles");
	flaeche.style.visibility="hidden";
         flaeche.style.cursor="pointer";}

function versteckeKontakt() {
var 	flaeche = document.getElementById ("kontakt");
	flaeche.style.visibility="hidden";
         flaeche.style.cursor="pointer";}

function versteckePortrait() {
var 	flaeche = document.getElementById ("portrait");
	flaeche.style.visibility="hidden";
         flaeche.style.cursor="pointer";}

function versteckeLinks() {
var 	flaeche = document.getElementById ("links");
	flaeche.style.visibility="hidden";
         flaeche.style.cursor="pointer";}