private function _getFootersOptions($type)
{
$html_output = '<div class="floatleft">';
$html_output .= $type == 'row' ? __('Add/Delete criteria rows') : __('Add/Delete columns');
$html_output .= ':<select size="1" name="' . ($type == 'row' ? 'criteriaRowAdd' : 'criteriaColumnAdd') . '">';
$html_output .= '<option value="-3">-3</option>';
$html_output .= '<option value="-2">-2</option>';
$html_output .= '<option value="-1">-1</option>';
$html_output .= '<option value="0" selected="selected">0</option>';
$html_output .= '<option value="1">1</option>';
$html_output .= '<option value="2">2</option>';
$html_output .= '<option value="3">3</option>';
$html_output .= '</select>';
$html_output .= '</div>';
return $html_output;
}