if ($_REQUEST['catalog_key'] || $_SESSION['catalog'] != 0) {
$browse->set_filter('catalog', $_REQUEST['catalog_key']);
$_SESSION['catalog'] = $_REQUEST['catalog_key'];
} elseif ($_REQUEST['catalog_key'] == 0) {
$browse->set_filter('catalog', null);
unset($_SESSION['catalog']);
}
ob_start();
$browse->show_objects(null, $argument);
$results[$browse->get_content_div()] = ob_get_clean();
break;
case 'set_sort':
if ($_REQUEST['sort']) {
$browse->set_sort($_REQUEST['sort']);
}
if (!$browse->get_use_pages()) {
$browse->set_start(0);
}
ob_start();
$browse->show_objects(null, $argument);
$results[$browse->get_content_div()] = ob_get_clean();
break;
case 'toggle_tag':
$type = $_SESSION['tagcloud_type'] ? $_SESSION['tagcloud_type'] : 'song';
$browse->set_type($type);
break;
case 'delete_object':
switch ($_REQUEST['type']) {
case 'playlist':
// Check the perms we need to on this
$playlist = new Playlist($_REQUEST['id']);
