EX-23 5 ex23-1.txt CONSENT OF AUDITORS Consent of Arthur Andersen LLP [LETTERHEAD OF ARTHUR ANDERSEN LLP] CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K, into the Company's previously filed registration statement file nos. 333-57059, 333-56605, 333-33569, 333-72873, 333-84421, 333-52024 and 333-54981. /s/ Arthur Andersen LLP Philadelphia, Pa. September 28, 2001