!strlen(get_config('system','directory'))) {
set_config('system','directory', dirname(get_config('system','directory_submit_url')));
del_config('system','directory_submit_url');
!strlen(get_config('system','directory'))) {
set_config('system','directory', dirname(get_config('system','directory_submit_url')));
del_config('system','directory_submit_url');