EXHIBIT 1 JOINT FILING AGREEMENT The undersigned hereby agree to the joint filing of the Schedule 13G to which this Agreement is attached. Date: July 9, 2004 ARTISAN INVESTMENT CORPORATION for itself and as general partner of ARTISAN PARTNERS LIMITED...

                                                                       EXHIBIT 1

                             JOINT FILING AGREEMENT

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




Date:  July 9, 2004


                 ARTISAN INVESTMENT CORPORATION
                 for itself and as general partner of
                 ARTISAN PARTNERS LIMITED PARTNERSHIP


                 Xxxxxxxx X. Xxxxxx*
                 --------------------------------


                 XXXXXX X. XXXXXXX

                 Xxxxxx X. Xxxxxxx*
                 --------------------------------


                 XXXXXXX XXXXXX XXXXXXX

                 Xxxxxxx Xxxxxx Xxxxxxx*
                 --------------------------------


                 *By: /s/ Xxxxxxxx X. Xxxxxx
                      ---------------------------
                      Xxxxxxxx X. Xxxxxx
                      Chief Financial Officer of Artisan Investment Corporation
                      Attorney-in-Fact for Xxxxxx X. Xxxxxxx
                      Attorney-in-Fact for Xxxxxxx Xxxxxx Xxxxxxx