// This Script (c) Dipl.-Ing. Ralf Wegemann

var FileName, Value;
function preload(FileName) {
  if (document.images) {
    Value = new Image();
    Value.src = FileName;
    return Value.src;
  }
}

var PreloadStatus = false;

function PreloadImages() {
  if (document.images) {
    unternehmen      = preload("images/nav_d/unternehmen.gif");
    unternehmen_over = preload("images/nav_d/unternehmen_over.gif");
    produkte      = preload("images/nav_d/produkte.gif");
    produkte_over = preload("images/nav_d/produkte_over.gif");
    dienstleistungen      = preload("images/nav_d/dienstleistungen.gif");
    dienstleistungen_over = preload("images/nav_d/dienstleistungen_over.gif");
    referenzen       = preload("images/nav_d/referenzen.gif");
    referenzen_over  = preload("images/nav_d/referenzen_over.gif");
    kontakt      = preload("images/nav_d/kontakt.gif");
    kontakt_over = preload("images/nav_d/kontakt_over.gif");
    download      = preload("images/nav_d/download.gif");
    download_over = preload("images/nav_d/download_over.gif");
    aktuelles      = preload("images/nav_d/aktuelles.gif");
    aktuelles_over = preload("images/nav_d/aktuelles_over.gif");
    impressum_copyright      = preload("images/nav_d/impressum_copyright.gif");
    impressum_copyright_over = preload("images/nav_d/impressum_copyright_over.gif");

    PreloadStatus = true;
  }
  return;
}

PreloadImages();

var ImgName;
function over(ImgName) {
  if ((document.images) && (PreloadStatus == true)) {
    document[ImgName].src = eval(ImgName+"_over");
  }
  return;
}

function out(ImgName) {
  if ((document.images) && (PreloadStatus == true)) {
    document[ImgName].src = eval(ImgName);
  }
  return;
}