$page_security=5;
$path_to_root="..";
-include($path_to_root . "/purchasing/includes/supp_trans_class.inc");
-include($path_to_root . "/includes/session.inc");
+include_once($path_to_root . "/purchasing/includes/supp_trans_class.inc");
+include_once($path_to_root . "/includes/session.inc");
-include($path_to_root . "/purchasing/includes/purchasing_ui.inc");
+include_once($path_to_root . "/purchasing/includes/purchasing_ui.inc");
$js = "";
if ($use_date_picker)
$js .= get_js_date_picker();