public static function orderedList( $items, $level = 0, $attributes = array() )
	{
		$content	= "\n".implode( "\n", $items )."\n";
		$indent		= str_repeat( "	", 2 * abs( (int) $level ) );
		$tag		= UI_HTML_Tag::create( "ol", $content, $attributes );
		$code		= $indent.$tag;
		return $code;
	}