// Load the include file
$INC = sprintf("inc/modules/guest/what-%s.php", $GLOBALS['what']);
-if (FILE_READABLE($INC)) {
+if (isIncludeReadable($INC)) {
// Ok, we finally load the guest action module
- LOAD_INC($INC);
+ loadInclude($INC);
} elseif ($IS_VALID) {
addFatalMessage(__FILE__, __LINE__, sprintf(getMessage('GUEST_404_ACTION'), SQL_ESCAPE($GLOBALS['what'])));
} else {