-require_once(SM_PATH . 'include/validate.php');
-include_once(SM_PATH . 'functions/page_header.php');
-include_once(SM_PATH . 'include/load_prefs.php');
-include_once(SM_PATH . 'functions/html.php');
-require_once(SM_PATH . 'functions/identity.php');
-require_once(SM_PATH . 'functions/forms.php');
-include_once(SM_PATH . 'plugins/listcommands/functions.php');
+require(SM_PATH . 'functions/identity.php');
+require(SM_PATH . 'functions/forms.php');
+require(SM_PATH . 'plugins/listcommands/functions.php');