- define('__ALPHA_SORT', alpha($_GET['sortby'], $colspan, true));
- define('__SORT_LINKS', SortLinks($_GET['letter'], $_GET['sortby'], $colspan, true));
- if ($PAGES > 1)
- {
- define('__PAGE_NAV', ADD_PAGENAV($PAGES, $_CONFIG['user_limit'], true, $colspan, true));
+
+ if ((function_exists('alpha')) && (function_exists('SortLinks'))) {
+ define('__ALPHA_SORT', alpha($_GET['sortby'], $colspan, true));
+ define('__SORT_LINKS', SortLinks($_GET['letter'], $_GET['sortby'], $colspan, true));
+ } else {
+ define('__ALPHA_SORT', "");
+ define('__SORT_LINKS', "");