public function checkDefaultShare(Horde_Share_Object $share, array $srcconfig)
{
$params = @unserialize($share->get('params'));
if (!isset($params['default'])) {
$params['default'] = $params['name'] == $GLOBALS['registry']->getAuth();
$share->set('params', serialize($params));
$share->save();
}
return $params['default'];
}