EXHIBIT 4
JOINT FILING AGREEMENT
Each of the undersigned acknowledges and agrees that the foregoing
statement on Schedule 13D is filed on behalf of the undersigned and that all
subsequent amendments to this statement on Schedule 13D shall be filed on behalf
of the undersigned without the necessity of filing additional joint filing
agreements.
Each of the undersigned acknowledges that he or it shall be responsible
for the timely filing of such amendments, and for the completeness and accuracy
of the information concerning it contained therein, but shall not be responsible
for the completeness and accuracy of the information concerning the other
reporting persons.
This agreement may be executed in any number of counterparts and all of
such counterparts taken together shall constitute one and the same instrument.
Dated as of this 13th day of February 2001.
/s/Xxxxxxxxxxx Xxxx /s/Xxxxxx Xxxxxxxxx
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Xxxxxxxxxxx Xxxx Xxxxxx Xxxxxxxxx
/s/Xxxx X. Xxxxx /s/Xxxx Xxxxx
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Xxxx X'Xxxxx Xxxx Xxxxx
