var nav11=new Image();
	nav11.src="images/menu/unternehmen1.gif";
var nav12=new Image();
	nav12.src="images/menu/unternehmen2.gif";

var nav21=new Image();
	nav21.src="images/menu/aktuelles1.gif";
var nav22=new Image();
	nav22.src="images/menu/aktuelles2.gif";

var nav31=new Image();
	nav31.src="images/menu/produkte1.gif";
var nav32=new Image();
	nav32.src="images/menu/produkte2.gif";
	
var nav41=new Image();
	nav41.src="images/menu/referenzen1.gif";
var nav42=new Image();
	nav42.src="images/menu/referenzen2.gif";		
		
var nav51=new Image();
	nav51.src="images/menu/kontakt1.gif";
var nav52=new Image();
	nav52.src="images/menu/kontakt2.gif";