var url_array = new Array();
          var img_array = new Array();
          var descr_array = new Array();
          var type_array = new Array();
          var img_type = 'vert';
          var num_products = 0;
         
          function add_product(url, img, descr, type_descr)
          // fill global arrays with new product data
          {
            url_array[num_products] = url;
            img_array[num_products] = img;
            descr_array[num_products] = descr;
            type_array[num_products] = type_descr;
            num_products++;
          }
        
        add_product("go.php?prod_id=bdis&action=buy", "images/bitdefender-is-2013-120x600.gif", "Bitdefender Internet Security", "Internet Security");
add_product("go.php?prod_id=kav&action=buy", "images/kaspersky-av-2012-160x600.gif", "Kaspersky Anti-Virus", "Anti-Virus");
add_product("go.php?prod_id=kis&action=buy", "images/kaspersky-is-2012-160x600.gif", "Kaspersky Internet Security", "Internet Security");
add_product("go.php?prod_id=outpost-fw-pro&action=buy", "images/outpost-fw-pro-160x600.jpg", "Outpost Firewall Pro", "Firewall");
add_product("go.php?prod_id=spamfighterpro&action=buy", "images/spamfighter-pro-7-120x600.gif", "SPAMfighter PRO", "Anti-Spam");