SB sermon page order by ID: OLD code

		if (isset($_REQUEST['sortby']))
			$sort_criteria = $wpdb->escape($_REQUEST['sortby']);
		else
			$sort_criteria = 'm.datetime';
		if (!empty($atts['dir']))
			$dir = $wpdb->escape($atts['dir']);
		elseif ($sort_criteria == 'm.datetime')
			$dir = 'desc';
		else
			$dir = 'asc';