public function deleteAction()
    {
        try {
            $stack = $this->_initStackInstance();
            if ($stack) {
                $stack->delete();
                $this->_getSession()->addSuccess( $this->__( 'The entry has been deleted.' ) );
            }
        } catch (Exception $e) {
            $this->_getSession()->addError($e->getMessage());
        }

        $this->_redirect('*/*/');
    }