var nav11=new Image();
	nav11.src="../images/hauptmenu/ueber_uns1.gif";
var nav12=new Image();
	nav12.src="../images/hauptmenu/ueber_uns2.gif";
	
var nav21=new Image();
	nav21.src="../images/hauptmenu/forschung1.gif";
var nav22=new Image();
	nav22.src="../images/hauptmenu/forschung2.gif";
	
var nav31=new Image();
	nav31.src="../images/hauptmenu/leistungen1.gif";
var nav32=new Image();
	nav32.src="../images/hauptmenu/leistungen2.gif";
	
var nav41=new Image();
	nav41.src="../images/hauptmenu/abteilungen1.gif";
var nav42=new Image();
	nav42.src="../images/hauptmenu/abteilungen2.gif";
	
var nav51=new Image();
	nav51.src="../images/hauptmenu/presse1.gif";
var nav52=new Image();
	nav52.src="../images/hauptmenu/presse2.gif";
	
var nav61=new Image();
	nav61.src="../images/hauptmenu/termine1.gif";
var nav62=new Image();
	nav62.src="../images/hauptmenu/termine2.gif";
	
var nav71=new Image();
	nav71.src="../images/hauptmenu/aktuelles1.gif";
var nav72=new Image();
	nav72.src="../images/hauptmenu/aktuelles2.gif";
	
var nav81=new Image();
	nav81.src="../images/hauptmenu/download1.gif";
var nav82=new Image();
	nav82.src="../images/hauptmenu/download2.gif";
	
	
	
var nav110=new Image();
	nav110.src="../images/weltkarte.gif";
	
var nav111=new Image();
	nav111.src="../images/weltkarte_na.gif";
	
var nav112=new Image();
	nav112.src="../images/weltkarte_sa.gif";
	
var nav113=new Image();
	nav113.src="../images/weltkarte_af.gif";
	
var nav114=new Image();
	nav114.src="../images/weltkarte_au.gif";
	
var nav115=new Image();
	nav115.src="../images/weltkarte_as.gif";	
	
var nav116=new Image();
	nav116.src="../images/weltkarte_eu.gif";