if (document.images) {
image20on = new Image(); image20on.src ="img/b-back02.gif";
image21on = new Image(); image21on.src ="img/b-home02.gif";
image22on = new Image(); image22on.src ="img/b-weiter02.gif";
image20off = new Image(); image20off.src ="img/b-back01.gif";
image21off = new Image(); image21off.src ="img/b-home01.gif";
image22off = new Image(); image22off.src ="img/b-weiter01.gif";
}
function changeImages() {
if (document.images) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
} } }

if (document.images)
{   Anzahl = 16;
  Bild_array = new Array()
  for (i = 0 ; i <= Anzahl ; i++)
    Bild_array[i] = new Image();
  Bild_array[0].src = "img/hm-text-start.gif";
  Bild_array[1].src = "img/hm-text-tipp01.gif";
  Bild_array[2].src = "img/hm-text-tipp02.gif";
  Bild_array[3].src = "img/hm-text-tipp03.gif";
  Bild_array[4].src = "img/hm-text-tipp04.gif";
  Bild_array[5].src = "img/hm-text-tipp05.gif";
  Bild_array[6].src = "img/hm-text-tipp06.gif";
  Bild_array[7].src = "img/hm-text-tipp07.gif";
  Bild_array[8].src = "img/hm-text-tipp08.gif";
  Bild_array[9].src = "img/hm-text-tipp09.gif";
  Bild_array[10].src = "img/hm-text-tipp10.gif";
  Bild_array[11].src = "img/hm-text-tipp11.gif";
  Bild_array[12].src = "img/hm-text-inhalt.gif";
  Bild_array[13].src = "img/hm-text-hilfe.gif";
  Bild_array[14].src = "img/hm-text-download.gif";
  Bild_array[15].src = "img/hm-text-home.gif";
}
function einschalten(x)
{ if (document.images)
    document.tempo.src = Bild_array[x].src;
}
function abschalten()
{ if (document.images)
    document.tempo.src = Bild_array[0].src;
}

function oeffnefenster (url) {
 fenster=window.open(url, "fenster1", "width=600,height=500,toolbar=yes,status=yes,scrollbars=yes,resizable=no");
 fenster.focus();
  return false;
}