<!--

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
   if (document.images) {
      rslt = new Image();
      rslt.src = arg;
      return rslt;
   }
}

function findElement(n,ly) {
   if (browserVers < 4)    return document[n];
   var curDoc = ly ? ly.document : document;
   var elem = curDoc[n];
   if (!elem) {
      for (var i=0;i<curDoc.layers.length;i++) {
         elem = findElement(n,curDoc.layers[i]);
         if (elem) return elem;
      }
   }
   return elem;
}

function changeImages() {
   if (document.images && (preloadFlag == true)) {
      var img;
      for (var i=0; i<changeImages.arguments.length; i+=2) {
         img = null;
         if (document.layers) {
            img = findElement(changeImages.arguments[i],0);
         }
         else {
            img = document.images[changeImages.arguments[i]];
         }
         if (img) {
            img.src = changeImages.arguments[i+1];
         }
      }
   }
}

var preloadFlag = false;
function preloadImages() {
   if (document.images) {
      home_but_over = newImage("/cgi-bin/img/menu/menu-home_over.gif");
      catalog_but_over = newImage("/cgi-bin/img/menu/menu-catalog_over.gif");
      cart_but_over = newImage("/cgi-bin/img/menu/menu-cart_over.gif");
      check_but_over = newImage("/cgi-bin/img/menu/menu-check_over.gif");
      installation_but_over = newImage("/cgi-bin/img/menu/menu-installation_over.gif");
      shipping_but_over = newImage("/cgi-bin/img/menu/menu-shipping_over.gif");
      legal_but_over = newImage("/cgi-bin/img/menu/menu-legal_over.gif");
      faq_but_over = newImage("/cgi-bin/img/menu/menu-faq_over.gif");
      more_but_over = newImage("/cgi-bin/img/util/more_button_over.jpg");
      cart_but_over = newImage("/cgi-bin/img/util/cart_button_over.jpg");      
      preloadFlag = true;
   }
}

// -->