Normal1 = new Image();
Normal1.src = "img/but1.gif";
Highlight1 = new Image();
Highlight1.src = "img/but1a.gif";

Normal2 = new Image();
Normal2.src = "img/but2.gif";
Highlight2 = new Image();
Highlight2.src = "img/but2a.gif";

Normal3 = new Image();
Normal3.src = "img/but3.gif";
Highlight3 = new Image();
Highlight3.src = "img/but3a.gif";

Normal4 = new Image();
Normal4.src = "img/but4.gif";
Highlight4 = new Image();
Highlight4.src = "img/but4a.gif";

Normal5 = new Image();
Normal5.src = "img/but5.gif";
Highlight5 = new Image();
Highlight5.src = "img/but5a.gif";

Normal6 = new Image();
Normal6.src = "img/but6.gif";
Highlight6 = new Image();
Highlight6.src = "img/but6a.gif";

Normal7 = new Image();
Normal7.src = "img/but7.gif";
Highlight7 = new Image();
Highlight7.src = "img/but7a.gif";



function Bildwechsel(Bildnr,Bildobjekt) {
 window.document.images[Bildnr].src = Bildobjekt.src;
}
function openWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);}