$this->tmpl->assign('from_date', $this->get_calendar('from'));
$this->tmpl->assign('to_date', $this->get_calendar('to'));
$this->tmpl->assign('sort_field', $this->get_sort_field());
$this->tmpl->assign('from_date', $this->get_calendar('from'));
$this->tmpl->assign('to_date', $this->get_calendar('to'));
$this->tmpl->assign('sort_field', $this->get_sort_field());