var bildan = new Array();
    var bildaus = new Array();


    bildan[4] = new Image();
    bildan[4].src = "images/navigation/news_2.gif";
    bildaus[4] = new Image();
    bildaus[4].src = "images/navigation/news.gif";
   
    bildan[5] = new Image();
    bildan[5].src = "images/navigation/augenoptik_2.gif";
    bildaus[5] = new Image();
    bildaus[5].src = "images/navigation/augenoptik.gif";
    
    bildan[6] = new Image();
    bildan[6].src = "images/navigation/hoerakustik_2.gif";
    bildaus[6] = new Image();
    bildaus[6].src = "images/navigation/hoerakustik.gif";
	
	bildan[7] = new Image();
    bildan[7].src = "images/navigation/lieferanten_2.gif";
    bildaus[7] = new Image();
    bildaus[7].src = "images/navigation/lieferanten.gif";
	
	bildan[8] = new Image();
    bildan[8].src = "images/navigation/service_2.gif";
    bildaus[8] = new Image();
    bildaus[8].src = "images/navigation/service.gif";
	
	bildan[9] = new Image();
    bildan[9].src = "images/navigation/team_2.gif";
    bildaus[9] = new Image();
    bildaus[9].src = "images/navigation/team.gif";
	
	bildan[10] = new Image();
    bildan[10].src = "images/navigation/unternehmen_2.gif";
    bildaus[10] = new Image();
    bildaus[10].src = "images/navigation/unternehmen.gif";
	
	bildan[11] = new Image();
    bildan[11].src = "images/navigation/kontakt_2.gif";
    bildaus[11] = new Image();
    bildaus[11].src = "images/navigation/kontakt.gif";
	
	bildan[12] = new Image();
    bildan[12].src = "images/navigation/jubilaeum_2.gif";
    bildaus[12] = new Image();
    bildaus[12].src = "images/navigation/jubilaeum.gif";
    
   	bildan[13] = new Image();
    bildan[13].src = "images/navigation/zertifizierung_2.gif";
    bildaus[13] = new Image();
    bildaus[13].src = "images/navigation/zertifizierung.gif";
	
	geklickt = null;

function an(i)
	{
	 if (geklickt != i)
		document.images[i].src=bildan[i].src;
	}

function aus(i)
	{
	 if (geklickt != i)
		document.images[i].src = bildaus[i].src;
	}
	
function openWindow(windowURL,windowName,windowWidth,windowHeight,coordX,coordY,windowScroll,windowStatus,windowLocation,windowToolbar)
{
	newWindow = window.open(windowURL,windowName,'width='+windowWidth+',height='+windowHeight+',left='+coordX+',top='+coordY+',screenX='+coordX+',screenY='+coordY+',scrollbars='+windowScroll+',status='+windowStatus+',location='+windowLocation+',toolbar='+windowToolbar+'');
}