Exhibit 2


                               POWER OF ATTORNEY

         The undersigned hereby constitutes and appoints Martin M. Lindsay as
the undersigned's true and lawful attorney-in-fact, with full power of
substitution, to sign any and all instruments, certificates and documents that
may be necessary, desirable or appropriate to be executed on behalf of the
undersigned, pursuant to section 13 and 16 of the Securities Exchange Act of
1934, as amended (the "Exchange Act"), and any and all regulations promulgated
thereunder, and Rules 144, 144A and 145 under the Securities Act of 1933, as
amended (the "Securities Act"), and to file the same, with all exhibits
thereto, and any other documents in connection therewith, with the Securities
and Exchange Commission, and with any other entity when and if such is
mandated by the Exchange Act or by the Securities Act, granting unto said
attorney-in-fact full power and authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and
purposes as he or she might or could do in person, thereby ratifying and
confirming all that said attorney-in-fact, or his or her substitutes may
lawfully do or cause to be done by virtue hereof.

         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
5th day of January, 2005.


Signature:     /s/ William F. Whitman, Jr.
               ----------------------------
Print Name:    William F. Whitman, Jr.