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: April 30, 2002	HANSEATIC CORPORATION

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

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





