hisnorm1 = new Image();
hisnorm1.src = "pics/button01.gif";
hishigh1 = new Image();
hishigh1.src = "pics/button01b.gif";

memnorm1 = new Image();
memnorm1.src = "pics/button02.gif";
memhigh1 = new Image();
memhigh1.src = "pics/button02b.gif";

stunorm1 = new Image();
stunorm1.src = "pics/button03.gif";
stuhigh1 = new Image();
stuhigh1.src = "pics/button03b.gif";

cdonorm1 = new Image();
cdonorm1.src = "pics/button04.gif";
cdohigh1 = new Image();
cdohigh1.src = "pics/button04b.gif";

linnorm1 = new Image();
linnorm1.src = "pics/button05.gif";
linhigh1 = new Image();
linhigh1.src = "pics/button05b.gif";

newnorm1 = new Image();
newnorm1.src = "pics/button06.gif";
newhigh1 = new Image();
newhigh1.src = "pics/button06b.gif";

gbonorm1 = new Image();
gbonorm1.src = "pics/button07.gif";
gbohigh1 = new Image();
gbohigh1.src = "pics/button07b.gif";

bu1norm1 = new Image();
bu1norm1.src = "pics/leftbutton01.gif";
bu1high1 = new Image();
bu1high1.src = "pics/leftbutton01b.gif";

bu2norm1 = new Image();
bu2norm1.src = "pics/rightbutton01.gif";
bu2high1 = new Image();
bu2high1.src = "pics/rightbutton01b.gif";

bu3norm1 = new Image();
bu3norm1.src = "pics/rightbutton02.gif";
bu3high1 = new Image();
bu3high1.src = "pics/rightbutton02b.gif";

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