Exhibit 24.1
                                POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints William W. Staunton, III and Eric A.
Balzer, or either of them, his attorneys-in-fact and agents, each with full
power of substitution for him and in his name, place and stead, in any and
all capacities, to sign any or all amendments to this Registration Statement,
and to file the same with all exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, granting
unto each of said attorneys-in-fact and agents full power and authority to do
so and perform each an every act and thing requisite and necessary to be done
in connection with this Registration Statement, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming
all that either of said attorneys-in-fact and agents, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, this Registration
Statement has been signed by the following persons in the capacities and on
the dates indicated.

Signature                       Title                              Date
--------------------------      ----------------------------    -----------

/s/ William G. Howard
-------------------------       Chairman                           5-2-06
William G. Howard

/s/ Klaus Fleischmann
---------------------------     Director                           5-2-06
Klaus Fleischmann

/s/ Doris Keitel-Schulz
---------------------------     Director                           5-2-06
Doris Keitel-Schulz

/s/ William George
---------------------------     Director                           5-2-06
William George

/s/ Jack L. Saltich
---------------------------     Director                           5-2-06
Jack L. Saltich

/s/ Theodore J. Coburn
---------------------------     Director                           5-2-06
Theodore J. Coburn

/s/ William W. Staunton, III
----------------------------    Director and Chief Executive       5-2-06
William W. Staunton, III        Officer

/s/ Eric A. Balzer
-------------------------       Director and Chief Financial       5-2-06
Eric A. Balzer                  Officer (Principal Accounting
                                Officer)