1 EXHIBIT 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS As independent certified public accountants, we hereby consent to the incorporation of our reports included in this Form 10-K into the Company's previously filed Registration Statement File Nos. 33-30903, 333-51463, 333-51467, 333-51469, 333-514991 and 333-65739. ARTHUR ANDERSEN LLP Tampa, Florida, May 21, 1999 62