Exhibit 31.1

|CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002         
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|I, John L. Anhorn, certify that:                                                
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|end of the period covered by this quarterly report based on such evaluation; and
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|Date: August 11, 2008 |  | /s/ JOHN L. ANHORN     
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|                      |  | John L. Anhorn         
|                      |  | Chief Executive Officer

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