$smarty->assign('prev_grouped_by', '');
$smarty->assign('cur_grouped_by', '');
}
// Determine group by header.
if ('no_grouping' != $group_by) {
$smarty->assign('prev_grouped_by', '');
$smarty->assign('cur_grouped_by', '');
}
// Determine group by header.
if ('no_grouping' != $group_by) {