EXHIBIT 23.1 - CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our reports incorporated by reference in this Form 10-K, into the Company's previously filed Registration Statements on Form S-8 (File Nos. 33-53335 and 33-53337). ARTHUR ANDERSEN LLP San Francisco, California, March 27, 2002 <page>