function changeSaveable()
 {
     $tid = isset($_GET['tid']) ? addslashes($_GET['tid']) : die('no tid');
     $s = isset($_POST['s']) ? addslashes($_POST['s']) : die('no s');
     $dc = new DocumentsPortalFolder();
     $dc->getByID($tid);
     $dc->folder_saveable = $s;
     $dc->load = 1;
     $json['bool'] = $dc->save();
     die(json_encode($json));
 }