public static function get( $url )
	{
		$checksum	= "6".self::calculateChecksum( self::strord( "info:".$url ) );
		$googleUrl	= "www.google.com/search?client=navclient-auto&ch=".$checksum."&features=Rank&q=info:".$url;
		$curl		= new Net_CURL( $googleUrl );
		$response	= $curl->exec();
		$position	= strpos( $response, "Rank_" );
		if( $position === FALSE )
			throw new Exception( 'Response does not contain Rank.' );
		$pagerank = substr( $response, $position + 9 );
		return (int) $pagerank;
	}