Exhibit 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our
report dated January 23, 2001 included in this Form 10-K, into the Company's
previously filed Registration Statement File Nos. 333-01410, 333-35283,
333-83925, 333-88913, and 333-47718.

                                      /s/ ARTHUR ANDERSEN LLP

Philadelphia, Pa.
  March 30, 2001