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: May 30, 2002	HANSEATIC CORPORATION

		By s/Bruce Beaty
		   --------------------------
		   Bruce Beaty,
		   Vice President

Dated: May 30, 2002
		s/Wolfgang Traber
		-----------------------------
		Wolfgang Traber



