public function addExportContainer($label)
    {
        $export = $this->addContainer($label);

        // EXPORT
        $surveyExport = $export->addPage($this->_('Single survey answers'), 'pr.export', 'export-survey', 'index');
        $surveyExport->addAutofilterAction();

        $surveyExport->addExportAction();

        //$export->addButtonOnly('', 'pr.export', 'export', 'handle-export');
        //$export->addButtonOnly('', 'pr.export', 'export', 'download');


        $batchExport = $export->addPage(
                $this->_('Multiple surveys answers'),
                'pr.export',
                'export-multi-surveys',
                'index'
                );

        $batchExport->addAutofilterAction();

        // EXPORT TO HTML
        $export->addPage($this->_('Respondent archives'), 'pr.export-html', 'respondent-export', 'index');


        return $export;
    }