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_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_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 show_overview(url_str) {
  var ov_win;
  ov_win = window.open(url_str, "ov_win", "scrollbars=yes,width=525,height=400,resizable=yes");
  if (navigator.appName == 'Netscape')
    ov_win.focus();
}