EXHIBIT 23

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (the CNB Corporation 2004 Employee Stock Purchase Plan)
(File No. 114225) and the Registration Statement on Form S-8 (the CNB
Corporation 1996 Stock Option Plan) (File No. 333-100250) of our report dated
February 10, 2005 relating to the financial statements of CNB Corporation at and
for the years ended December 31, 2004, 2003, and 2002, which report is included
in Item 13 of the Annual Report on Form 10-K on CNB Corporation.

                                            Crowe Chizek and Company LLC

South Bend, Indiana
March 29, 2005