Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

         We hereby consent to the use in this Registration Statement on Form S-3
of our report dated February 21, 2001 relating to the financial statements,
which appears in such Registration Statement. We also consent to the reference
to us under the heading "Experts" in such Registration Statement.



/s/ PricewaterhouseCoopers LLP
Philadelphia, PA

January 9, 2002