if (document.images)
{
   home               = new Image();
   home.src           = "images/home.gif";
   homedown           = new Image();
   homedown.src       = "images/home_over.gif";

   about                 = new Image();
   about.src             = "images/about.gif";
   aboutdown             = new Image();
   aboutdown.src         = "images/about_over.gif";

   doors              = new Image();
   doors.src          = "images/doors.gif";
   doorsdown          = new Image();
   doorsdown.src      = "images/doors_over.gif";

   fences                  = new Image();
   fences.src              = "images/fences.gif";
   fencesdown              = new Image();
   fencesdown.src          = "images/fences_over.gif";
   
   gates               = new Image();
   gates.src           = "images/gates.gif";
   gatesdown           = new Image();
   gatesdown.src       = "images/gates_over.gif";


   service               = new Image();
   service.src           = "images/service.gif";
   servicedown           = new Image();
   servicedown.src       = "images/service_over.gif";
   
   
   gallery               = new Image();
   gallery.src           = "images/gallery.gif";
   gallerydown           = new Image();
   gallerydown.src       = "images/gallery_over.gif";
   
   faq               = new Image();
   faq.src           = "images/faq.gif";
   faqdown           = new Image();
   faqdown.src       = "images/faq_over.gif";
}

function buttondown(bname)
{
    if (document.images)
        document[bname].src = eval(bname + "down.src");
}

function buttonup(bname)
{
    if (document.images)
        document[bname].src = eval(bname + ".src");
}