	if (is_numeric($_REQUEST['#fld0#_a'])) {
		$filters.=' and #fld0#>=? ';
		array_push($params,$_REQUEST['#fld0#_a']);
	}
	if (is_numeric($_REQUEST['#fld0#_b'])) {
		$filters.=' and #fld0#<=? ';
		array_push($params,$_REQUEST['#fld0#_b']);
	}
