public function cancelCurrentShowAction()
{
$userInfo = Zend_Auth::getInstance()->getStorage()->read();
$user = new User($userInfo->id);
if ($user->isUserType(array(UTYPE_ADMIN, UTYPE_PROGRAM_MANAGER))) {
$showInstanceId = $this->_getParam('id');
$show = new ShowInstance($showInstanceId);
$show->clearShow();
$show->deleteShow();
}
}