**Exhibit      31.3**

**Certification      of Principal Executive Officer**

**Pursuant      to      Section 302 of the Sarbanes-Oxley Act and Rule 13a-14(a)**

**or      15d-14(a) under the Securities Exchange Act of 1934**

|   | a) | Designed                such                disclosure controls and procedures, or caused such disclosure controls                and                procedures to be designed under our supervision, to ensure that material                information relating to the registrant, including its consolidated                subsidiaries, is made known to us by others within those entities,                particularly during the period in which this annual report is being                prepared; |
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|   | b) | Designed                such                internal control over financial reporting, or caused such internal                control                over financial reporting to be designed under our supervision, to                provide                reasonable assurance regarding the reliability of financial reporting                and                the preparation of financial statements for external purposes in                accordance with generally accepted accounting                principles; |
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|   | c) | Evaluated                the                effectiveness of the registrant's disclosure controls and procedures                and                presented in this annual report our conclusions about the effectiveness                of                the disclosure controls and procedures, as of the end of the period                covered by this annual report based on such evaluation;                and |
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|   | d) | Disclosed                in                this annual report any change in the registrant's internal control                over                financial reporting that occurred during the registrant's most recent                fiscal quarter (the registrant's fourth fiscal quarter in the case                of an                Annual Report) that has materially affected, or is reasonably likely                to                materially affect, the registrant's internal control over financial                reporting; and |
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|   | a) | All                significant deficiencies and material weaknesses in the design or                operation of internal control over financial reporting which are                reasonably likely to adversely affect the registrant's ability to                record,                process, summarize and report financial information;                and |
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|   | b) | Any                fraud,                whether or not material, that involves management or other employees                who                have a significant role in the registrant's internal control over                financial reporting. |
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| Date: February                28,                2007 | /s/                Charles A. Schrock     |
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|                                                       | Charles                A.                SchrockPresident     |