EXHIBIT 23.1


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the use of our reports
and to all references to our Firm included in or made a part of this
Registration Statement File no. 333-49163.


                                        /s/ ARTHUR ANDERSEN LLP
                                        -----------------------
                                            ARTHUR ANDERSEN LLP


San Francisco, California
June 5, 1998