home = new Image();
home.src = "Bilder/Menu/HomeZ.gif";
ahome = new Image();
ahome.src = "Bilder/Menu/HomeA.gif";
gesund = new Image();
gesund.src = "Bilder/Menu/GesundheitZ.gif";
agesund = new Image();
agesund.src = "Bilder/Menu/GesundheitA.gif";
cd = new Image();
cd.src = "Bilder/Menu/CD_Z.gif";
acd = new Image();
acd.src = "Bilder/Menu/CD_A.gif";
praxis = new Image();
praxis.src = "Bilder/Menu/PraxisZ.gif";
apraxis = new Image();
apraxis.src = "Bilder/Menu/PraxisA.gif";
portrait = new Image();
portrait.src = "Bilder/Menu/PortraitZ.gif";
aportrait = new Image();
aportrait.src = "Bilder/Menu/PortraitA.gif";
link = new Image();
link.src = "Bilder/Menu/LinksZ.gif";
alink = new Image();
alink.src = "Bilder/Menu/LinksA.gif";
gast = new Image();
gast.src = "Bilder/Menu/GastZ.gif";
agast = new Image();
agast.src = "Bilder/Menu/GastA.gif";
thera = new Image();
thera.src = "Bilder/Menu/TherapienZ.gif";
athera = new Image();
athera.src = "Bilder/Menu/TherapienA.gif";


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