function preLoad() {

star = new Image();
star.src = "../a_menu/a_button/startseite_h.gif";
news = new Image();
news.src = "../a_menu/a_button/news_h.gif";
vere = new Image();
vere.src = "../a_menu/a_button/verein_h.gif";
info = new Image();
info.src = "../a_menu/a_button/infos_h.gif";
part = new Image();
part.src = "../a_menu/a_button/partner_h.gif";
kont = new Image();
kont.src = "../a_menu/a_button/kontakt_h.gif";
}

if (document.images) {
  image1on = new Image();
  image1on.src = "../a_menu/a_button/startseite_h.gif"
  image1off = new Image();
  image1off.src = "../a_menu/a_button/startseite.gif"

  image2on = new Image();
  image2on.src = "../a_menu/a_button/news_h.gif"
  image2off = new Image();
  image2off.src = "../a_menu/a_button/news.gif"

  image3on = new Image();
  image3on.src = "../a_menu/a_button/verein_h.gif"
  image3off = new Image();
  image3off.src = "../a_menu/a_button/verein.gif"

  image4on = new Image();
  image4on.src = "../a_menu/a_button/infos_h.gif"
  image4off = new Image();
  image4off.src = "../a_menu/a_button/infos.gif"

  image5on = new Image();
  image5on.src = "../a_menu/a_button/partner_h.gif"
  image5off = new Image();
  image5off.src = "../a_menu/a_button/partner.gif"

  image6on = new Image();
  image6on.src = "../a_menu/a_button/kontakt_h.gif"
  image6off = new Image();
  image6off.src = "../a_menu/a_button/kontakt.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");
    }
  }
}