CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS



As independent certified public accountants, we hereby consent to the use of our
reports and to all references to our Firm included in or made part of this
registration statement.



         PRESSMAN CIOCCA SMITH LLP
   

         /s/   Pressman Ciocca Smith LLP
         -------------------------------
         Hatboro, Pennsylvania
         July 15, 1998