include_once($path_to_root . "/inventory/includes/db/items_category_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_trans_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_prices_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_category_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_trans_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_prices_db.inc");