Normal1 = new Image();
		Normal1.src ="images/buttons/login_button.gif";
		Mouseover1 = new Image();
		Mouseover1.src ="images/buttons/login_button_down.gif";
Normal25 = new Image();
		Normal25.src ="images/buttons/button25.gif";
		Mouseover25 = new Image();
		Mouseover25.src ="mages/buttons/button25_down.gif";
Normal26 = new Image();
		Normal26.src ="images/buttons/button26.gif";
		Mouseover26 = new Image();
		Mouseover26.src ="images/buttons/button26_down.gif";
Normal27 = new Image();
		Normal27.src ="images/buttons/button27.gif";
		Mouseover27 = new Image();
		Mouseover27.src ="images/buttons/button27_down.gif";
Normal28 = new Image();
		Normal28.src ="images/buttons/button28.gif";
		Mouseover28 = new Image();
		Mouseover28.src ="images/buttons/button28_down.gif"; 
		

function Bildwechsel(Bildnr,Bildobjekt) {
 window.document.images[Bildnr].src = Bildobjekt.src;
}