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

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

   products               = new Image();
   products.src           = "images/products.jpg";
   productsdown           = new Image();
   productsdown.src       = "images/products_over.jpg";

   hints                 = new Image();
   hints.src             = "images/hints.jpg";
   hintsdown             = new Image();
   hintsdown.src         = "images/hints_over.jpg";

   why              = new Image();
   why.src           = "images/why.jpg";
   whydown           = new Image();
   whydown.src       = "images/why_over.jpg";
   
   manuals               = new Image();
   manuals.src           = "images/manuals.jpg";
   manualsdown           = new Image();
   manualsdown.src       = "images/manuals_over.jpg";

   faq                 = new Image();
   faq.src             = "images/faq.jpg";
   faqdown             = new Image();
   faqdown.src         = "images/faq_over.jpg";

   news              = new Image();
   news.src           = "images/news.jpg";
   newsdown           = new Image();
   newsdown.src       = "images/news_over.jpg";
   
   contact              = new Image();
   contact.src           = "images/contact.jpg";
   contactdown           = new Image();
   contactdown.src       = "images/contact_over.jpg";

   applications              = new Image();
   applications.src           = "images/applications.jpg";
   applicationsdown           = new Image();
   applicationsdown.src       = "images/applications_over.jpg";
   
   resources              = new Image();
   resources.src           = "images/resources.jpg";
   resourcesdown           = new Image();
   resourcesdown.src       = "images/resources_over.jpg";
   
   shop              = new Image();
   shop.src           = "images/shop.jpg";
   shopdown           = new Image();
   shopdown.src       = "images/shop_over.jpg";

}

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");
}