EXHIBIT A

	Pursuant to Rule 13d-1(k)(1)(iii) promulgated by the Securities and
Exchange Commission, the undersigned agree that the statement to
which this Exhibit is attached is filed on their behalf in the
capacities set out herein below.

Dated: March 8, 2002	HANSEATIC CORPORATION

		By s/Paul A. Biddelman
		   --------------------------
		   Paul A. Biddelman,
		   President

Dated: March 8, 2002
		S/Wolfgang Traber
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		Wolfgang Traber