protected function getNodeLanguage( $node, $attributeName = "xml:lang" )
	{
		if( strpos( $attributeName, ":" ) )
		{
			$parts	= explode( ":", $attributeName );
			if( $node->hasAttribute( $parts[1], $parts[0] ) )
				return $node->getAttribute( $parts[1], $parts[0] );
		}
		else if( $node->hasAttribute( $attributeName ) )
			return $node->getAttribute( $attributeName );
		return $this->language;
	}