$shifts_row .= '<div class="pull-right">' . table_buttons(array(
                    button(page_link_to('user_shifts') . '&edit_shift=' . $shift['SID'], glyph('edit'), 'btn-xs'),
                    button(page_link_to('user_shifts') . '&delete_shift=' . $shift['SID'], glyph('trash'), 'btn-xs'),
                    form_checkbox('del_shifts[] btn-xs', '', '', $value = $shift['SID'], false)
                )). '</div>';