nav1 = new Image();
nav1.src = "pics/nav_fan_projekt.gif";     
nava1 = new Image();
nava1.src = "pics/nav_fan_projekt_a.gif"; 

nav2 = new Image();
nav2.src = "pics/nav_aktuelles.gif";     
nava2 = new Image();
nava2.src = "pics/nav_aktuelles_a.gif"; 

nav3 = new Image();
nav3.src = "pics/nav_angebote.gif";     
nava3 = new Image();
nava3.src = "pics/nav_angebote_a.gif";

nav4 = new Image();
nav4.src = "pics/nav_verschiedenes.gif";     
nava4 = new Image();
nava4.src = "pics/nav_verschiedenes_a.gif";

nav5 = new Image();
nav5.src = "pics/nav_fotos.gif";     
nava5 = new Image();
nava5.src = "pics/nav_fotos_a.gif"; 

nav6 = new Image();
nav6.src = "pics/nav_team.gif";     
nava6 = new Image();
nava6.src = "pics/nav_team_a.gif"; 

nav7 = new Image();
nav7.src = "pics/nav_fan_zentrum.gif";     
nava7 = new Image();
nava7.src = "pics/nav_fan_zentrum_a.gif";

nav8 = new Image();
nav8.src = "pics/nav_newsletter.gif";     
nava8 = new Image();
nava8.src = "pics/nav_newsletter_a.gif";

nav9 = new Image();
nav9.src = "pics/nav_lern_zentrum.gif";     
nava9 = new Image();
nava9.src = "pics/nav_lern_zentrum_a.gif";
	
	
	function opennav(name, nr) {
		if( document.getElementById(name).style.display == "none" ) {
    		document.getElementById(name).style.display = "block";
  		} else {
    		location.reload();
		}
	}
	
	function bildwechsel (bildname, bildobjekt) {
		  document.getElementById(bildname).src = bildobjekt.src;
		}
		
	function bild(bildpfad) {
	  	open("foto_popup.php?bild="+bildpfad, "bilder", "width=200,height=200,resize=1");
	}