if (document.images) {
            var image_array = new Array();

            // path to the directory with images
            var path = '/images/topnav08a/';
            

            // enumeration of the "active" images
            image_array[0] = path + "home_over.gif";
            image_array[1] = path + "destination_over.gif";
            image_array[2] = path + "holidays_over.gif";
            image_array[3] = path + "holidays_over.gif";
            image_array[4] = path + "hotels_over.gif";
            image_array[5] = path + "flights_over.gif";
            image_array[6] = path + "aboutus_over.gif";
            image_array[7] = path + "maps_over.gif";
            image_array[8] = path + "contactus_over.gif";
            image_array[9] = "/images/holidaylistbuttons/callback-on.gif";
            image_array[10] = "/images/holidaylistbuttons/sendtofriend-on.gif";
            image_array[11] = "/images/holidaylistbuttons/wishlist-on.gif";
            image_array[12] = "/images/holidaylistbuttons/contact-on.gif";
            image_array[13] = "/images/holidaylistbuttons/booknow-on.gif";
            
            var preload_image = new Array();

            for (var i = 0; i < image_array.length; i++) {
                preload_image[i] = new Image();
                preload_image[i].src = image_array[i];
            }
        }