1 JOINT FILING AGREEMENT Pursuant to Rule 13d-1(f)(1)(iii) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13D to which this exhibit is attached is filed on behalf of each of them...

   1
                             JOINT FILING AGREEMENT

           Pursuant to Rule 13d-1(f)(1)(iii) promulgated under the Securities
Exchange Act of 1934, as amended, the undersigned agree that the Statement on
Schedule 13D to which this exhibit is attached is filed on behalf of each of
them in the capacities set forth below.


Dated:  November 23, 1998

                                             XXXXX INVESTMENT ASSOCIATES V, L.P.

                                             By:   Xxxxx Partners V, L.P., its
                                                   General Partner

                                             By: /s/ Xxxxx X. Xxxxxxx, XX
                                                   Name:  Xxxxx X. Xxxxxxx, XX
                                                   Title:  Attorney-in-fact


                                             XXXXX EQUITY PARTNERS V, L.P.

                                             By: /s/ Xxxxx X. Xxxxxxx, XX
                                                   Name:  Xxxxx X. Xxxxxxx, XX
                                                   Title:  Attorney-in-fact


                                             XXXXX PARTNERS V, L.P.


                                             By: /s/ Xxxxx X. Xxxxxxx, XX
                                                   Name:  Xxxxx X. Xxxxxxx, XX
                                                   Title:  Attorney-in-fact


                                                            *
                                             __________________________________
                                                   Xxxxxx X. Xxxxxxxxx


                                                            *
                                             __________________________________
                                                   Xxxxx X. Xxxxxxx


                                                            *
                                             __________________________________
                                                   Xxxxxx X. Xxxxxxxx
   2
                                                            *
                                             __________________________________
                                                    Xxxxxx X. Xxxx, XX

                                                            *
                                             __________________________________
                                                    Xxxxx X. Xxxxx, Xx.

                                                            *
                                             __________________________________
                                                   Xxxxxxx X. Xxxxxxxx


                                                            *
                                             __________________________________
                                                   Xxxxx X. Xxxxxxxxxx

*  By:  /s/ Xxxxx X. Xxxxxxx, XX
         Xxxxx X. Xxxxxxx, XX
         Attorney-in-fact


                                       2