function MM_swapImgRestore()
{
   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()
{
   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 = '../picture/menu' + a[i];
         }
   }
}

function MM_findObj(n, d)
{
   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 && d.getElementById)
      x = d.getElementById(n);

   return x;
}

function MM_swapImage()
{
   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];
      }
}