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 17, 2002	HANSEATIC CORPORATION

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

Dated: May 17, 2002
		S/ Wolfgang Traber
		-----------------------------
		Wolfgang Traber





