function MM_preloadImages() { //v3.0
  var d = document;
  if(d.images) {
    if (!d.MM_p)
      d.MM_p = new Array();
    var i,
        j = d.MM_p.length,
        a = MM_preloadImages.arguments;
    for(i=0; i<a.length; i++)
      if (a[i].indexOf("#") != 0) {
        d.MM_p[j] = new Image;
        d.MM_p[j++].src = a[i];
      }
  }
}

function MM_swapImgRestore() { //v3.0
  var i,
      x,
      a = document.MM_sr;
  for(i=0; a && i<a.length && (x = a[i]) && x.oSrc; i++)
    x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,
      i,
      x;
  if (!d)
    d = document;
  if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
    d = parent.frames[n.substring(p+1)].document;
    n = n.substring(0,p);
  }
  if (!(x = d[n]) && d.all)
    x = d.all[n];
  for (i=0; !x&&i<d.forms.length; i++)
    x = d.forms[i][n];
  for(i=0; !x && d.layers && i<d.layers.length; i++)
    x=MM_findObj(n,d.layers[i].document);
  if (!x && document.getElementById)
    x = document.getElementById(n);
  return x;
}

function MM_swapImage() { //v3.0
  var i,
      j=0,
      x,
      a = MM_swapImage.arguments;
  document.MM_sr = new Array;
  for (i=0; i < (a.length - 2); i+=3)
    if ((x = MM_findObj(a[i])) != null) {
      document.MM_sr[j++] = x;
      if (!x.oSrc)
        x.oSrc = x.src;
      x.src = a[i+2];
    }
}

function do_preload() {
  MM_preloadImages('/images/NavigationBar/1_over.gif',
                   '/images/NavigationBar/2_over.gif',
                   '/images/NavigationBar/3_over.gif',
                   '/images/NavigationBar/4_over.gif',
                   '/images/NavigationBar/5_over.gif',
                   '/images/NavigationBar/6_over.gif',
                   '/images/NavigationBar/7_over.gif',
                   '/images/NavigationBar/8_over.gif',
                   '/images/NavigationBar/9_over.gif',
                   '/images/NavigationBar/10_over.gif',
                   '/images/NavigationBar/11_over.gif',
                   '/images/NavigationBar/12_over.gif',
                   '/images/NavigationBar/13_over.gif');
}