EXHIBIT A

                                    AGREEMENT

                       Pursuant to Securities Exchange Act
                              Rule 13d-1(k)(1)(iii)

         The undersigned hereby agree that Amendment No. 11 to the Schedule
13D, filed pursuant to the Securities Exchange Act of 1934 and executed by each
of the undersigned of even date herewith, is filed on behalf of each of the
undersigned.

         DULY EXECUTED this 30th day of May, 2003.

                            Inter-Him N.V.




                            By: /s/ Victor Hoogstraal
                            -------------------------
                            Victor Hoogstraal
                            Managing Director




                            /s/ Ronald de Waal
                            -------------------------
                            Ronald de Waal




                            /s/ W. Howard Lester
                            -------------------------
                            W. Howard Lester