1 Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this annual report on Form 10-K, into the Company's previously filed Registration Statements on Form S-8 (33-60576, 333-91437, 333-39428, 333-04496, 333-89134) and Form S-3 (33-44453, 333-48964, 333-28309). ARTHUR ANDERSEN LLP Roseland, New Jersey March 1, 2001