JOINT FILING AGREEMENT

   1


                             JOINT FILING AGREEMENT

     The undersigned hereby agree to the joint filing of the Schedule 13D to
which this Agreement is attached.

Dated: February 10, 2000

                                    AMPHION VENTURES L.P.

                                    By: Amphion Partners L.L.C., General Partner



                                    By:/s/ Xxxxxxx X.X. Xxxxxx
                                       -----------------------
                                       Xxxxxxx X.X. Xxxxxx, a Managing Member


                                    AMPHION PARTNERS L.L.C.



                                    By:/s/ Xxxxxxx X.X. Xxxxxx
                                       -----------------------
                                       Xxxxxxx X.X. Xxxxxx, a Managing Member


                                    ANTIOPE PARTNERS L.L.C.



                                    By:/s/ Xxxxxxx X.X. Xxxxxx
                                       -----------------------
                                       Xxxxxxx X.X. Xxxxxx, a Managing Member


                                    AMPHION INVESTMENTS L.L.C.



                                    By:/s/ Xxxxxxx X.X. Xxxxxx
                                       -----------------------
                                       Xxxxxxx X.X. Xxxxxx, a Managing Member


                                       /s/ Xxxxxxx X.X. Xxxxxx
                                       -----------------------
                                       Xxxxxxx X.X. Xxxxxx