EXHIBIT 7.1 JOINT FILING AGREEMENT The undersigned hereby agree that the Schedule 13D to which this Joint Filing Agreement is attached as Exhibit 7.1, is filed on behalf of each of us. Date: November 16, 2001

EXHIBIT 7.1

                       JOINT FILING AGREEMENT

     The undersigned hereby agree that the Schedule 13D to which this Joint
Filing Agreement is attached as Exhibit 7.1, is filed on behalf of each of us.

Date:    November 16, 2001



                                         /s/ Xxxxx X. Xxxxxx
                                         ---------------------------
                                         Xxxxx X. Xxxxxx


                                         XXXX PARK SEVEN, LLC


                                         By:  /s/ Xxxxx X. Xxxxxx
                                             -----------------------------
                                             Xxxxx X. Xxxxxx, Manager


                                   XXXXXX INVESTMENT ASSOCIATES, LLC


                                         By:  /s/ Xxxxx X. Xxxxxx
                                             -----------------------------
                                             Xxxxx X. Xxxxxx, Manager


                                   XXXXX AND XXXXXXX XXXXXX
                                   RETAINED ANNUITY TRUST

                                         By:  /s/ Xxxxx X. Xxxxxx
                                             -----------------------------
                                             Xxxxx X. Xxxxxx, Trustee


                                   XXXXXX GENERATION-SKIPPING TRUST


                                         By: /s/ Xxxxxxxxx Xxxxxx
                                             -----------------------------
                                             Xxxxxxxxx Xxxxxx, Trustee


                                   XXXXXX CHILDREN'S TRUST


                                         By:  /s/ Xxxxxxxxx Xxxxxx
                                             -----------------------------
                                             Xxxxxxxxx Xxxxxx, Trustee