function bildwechsel(Zielbild,Bildobjekt) {
	Zielbild.src = Bildobjekt.src;
	}
	
	PicOn1 = new Image();
	PicOn1.src = "images/login_highlight.gif";
	
	PicOff1 = new Image();
	PicOff1.src = "images/login.gif";
	
	PicOn2 = new Image();
	PicOn2.src = "images/anmelden_highlight.gif";
	
	PicOff2 = new Image();
	PicOff2.src = "images/anmelden.gif";

	PicOn3 = new Image();
	PicOn3.src = "images/anonym_highlight.gif";
	
	PicOff3 = new Image();
	PicOff3.src = "images/anonym.gif";
	
	PicOn4 = new Image();
	PicOn4.src = "images/tour_highlight.gif";
	
	PicOff4 = new Image();
	PicOff4.src = "images/tour.gif";