// preload images for map rollovers

   if (document.images) 
   {
      menudir = "images/full/";

      r0 = new Image(583,420); r0.src = menudir + "0.gif";
      r1 = new Image(583,420); r1.src = menudir + "1.gif";
      r2 = new Image(583,420); r2.src = menudir + "2.gif";
      r3 = new Image(583,420); r3.src = menudir + "3.gif";
      r4 = new Image(583,420); r4.src = menudir + "4.gif";
      r5 = new Image(583,420); r5.src = menudir + "5.gif";
      r6 = new Image(583,420); r6.src = menudir + "6.gif";
      r7 = new Image(583,420); r7.src = menudir + "7.gif";
      r8 = new Image(583,420); r8.src = menudir + "8.gif";
   }

   // simple image replacement

   function imgSwap(imgDocID,imgObjName) 
   {
      if (document.images) document.images[imgDocID].src = eval(imgObjName + ".src"); 
   }