Exhibit 23.2 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report dated February 3, 1998 included in this Form 10-K into the Company's previously filed Registration Statements on Form S-3 (File Nos. 333-07263, 333-34907, 33-59241, 33-60503, 333-74205, 333-84585, 333-85607, 333-87227, 333-93029 and 333-30370) and on Form S-8 (File Nos. 333-66171 and 333-39155). San Francisco, California ARTHUR ANDERSEN LLP March 17, 2000