// preload images for map rollovers

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

      blank = new Image(368,305);
      blank.src = menudir + "blank.gif";
      map01 = new Image(368,305);
      map01.src = menudir + "01.gif";
      map02 = new Image(368,305);
      map02.src = menudir + "02.gif";
      map03 = new Image(368,305);
      map03.src = menudir + "03.gif";
      map04 = new Image(368,305);
      map04.src = menudir + "04.gif";
      map05 = new Image(368,305);
      map05.src = menudir + "05.gif";
      map06 = new Image(368,305);
      map06.src = menudir + "06.gif";
      map07 = new Image(368,305);
      map07.src = menudir + "07.gif";
      map08 = new Image(368,305);
      map08.src = menudir + "08.gif";
      map09 = new Image(368,305);
      map09.src = menudir + "09.gif";
      map10 = new Image(368,305);
      map10.src = menudir + "10.gif";
      map11 = new Image(368,305);
      map11.src = menudir + "11.gif";
   }

   // map locations

   function mapOn(imgID)
   {
      if (document.images) document.images['map'].src = eval("map" + imgID + ".src"); 
   }

   function mapOff(imgID)
   {
      if (document.images) document.images['map'].src = blank.src; 
   }