function profile_update($userid)
 {
     require_once GDM_CLIENTS_CLASS;
     $gdm_clients = new gdm_clients();
     if (isset($_POST['gdm_client_categories'])) {
         $gdm_clients->initialize_client($userid);
         $gdm_clients->update_client($userid, array("categories" => $gdm_clients->get_entered_categories($_POST['gdm_client_categories']), "url" => $_POST['gdm_client_website']));
     } else {
         $gdm_clients->remove_client($userid);
     }
 }