EXHIBIT 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

    As independent public accountants, we hereby consent to the use of our
report dated January 29, 1999 and to all references to our firm included in or
made a part of this registration statement.

                                          /s/ ARTHUR ANDERSEN LLP

                                          Arthur Andersen LLP


San Francisco, California
August 2, 1999