JOINT FILING AGREEMENT

   1
                                                                       EXHIBIT 6

                             JOINT FILING AGREEMENT

         The undersigned, and each of them, do hereby agree and consent to the
filing of a single statement on behalf of all of them on Schedule 13D and
amendments thereto, in accordance with the provisions of Rule 13d-1(f)(1) of
the Securities Exchange Act of 1934, as amended.

Dated:    January 30, 1998

                                    THE SHANSBY GROUP
                                    By: TSG Partners, its general partner

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, general partner

                                    TSG INTERNATIONAL

                                    By: TSG Partners, its general partner

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, general partner

                                    TSG PARTNERS

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, general partner

                                    TSG2 L.P.

                                    By: TSG2 Management, L.L.C., its general 
                                        partner

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, managing member

                                    TSG2 Management, L.L.C.

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, managing member

                                    Shansby Partners, L.L.C.

                                    By: /s/ XXXXXXX X. XXXXXXXX
                                       ---------------------------------------
                                       Xxxxxxx X. Xxxxxxxx, managing member

                                    /s/ J. XXXX XXXXXXX
                                    ------------------------------------------
                                    J. Xxxx Xxxxxxx

                                    /s/ XXXXXXX X. XXXXXXXX
                                    ------------------------------------------
                                    Xxxxxxx X. Xxxxxxxx