Exhibit (5)

                          CERTIFICATION UNDER RULE 466

        The depositary, The Bank of New York, represents and certifies the
following:

        (1)     That it previously has filed a registration statement on Form
                F-6 for Solbec Pharmaceuticals Ltd., File No. 333-123803, which
                the Commission declared effective, with terms of deposit
                identical to the terms of deposit of this registration
                statement.

        (2)     That its ability to designate the date and time of effectiveness
                under Rule 466 has not been suspended.

                                            THE BANK OF NEW YORK,
                                                    As Depositary

                                            By: \s\ Marianne Erlandsen
                                                --------------------------------
                                                    Name: Marianne Erlandsen
                                                    Title: Vice President