Normal1 = new Image();
Normal1.src = "images/buttons/start.gif";
Highlight1 = new Image();
Highlight1.src = "images/buttons/start_h.gif";

Normal2 = new Image();
Normal2.src = "images/buttons/angebot.gif";
Highlight2 = new Image();
Highlight2.src = "images/buttons/angebot_h.gif";

Normal3 = new Image();
Normal3.src = "images/buttons/aktuelles.gif";
Highlight3 = new Image();
Highlight3.src = "images/buttons/aktuelles_h.gif";

Normal4 = new Image();
Normal4.src = "images/buttons/referenzen.gif";
Highlight4 = new Image();
Highlight4.src = "images/buttons/referenzen_h.gif";

Normal5 = new Image();
Normal5.src = "images/buttons/kontakt.gif";
Highlight5 = new Image();
Highlight5.src = "images/buttons/kontakt_h.gif";

Normal6 = new Image();
Normal6.src = "images/buttons/mehr.gif";
Highlight6 = new Image();
Highlight6.src = "images/buttons/mehr_h.gif";

Normal7 = new Image();
Normal7.src = "images/buttons/messeorganisation.gif";
Highlight7 = new Image();
Highlight7.src = "images/buttons/_h.gif";

Normal8 = new Image();
Normal8.src = "images/buttons/.gif";
Highlight8 = new Image();
Highlight8.src = "images/buttons/_h.gif";

Normal9 = new Image();
Normal9.src = "images/buttons/.gif";
Highlight9 = new Image();
Highlight9.src = "images/buttons/_h.gif";

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