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EXHIBIT 99.3
POWER OF ATTORNEY
The undersigned, Robert A. Day, does hereby appoint Michael E. Cahill,
Linda D. Barker, Harold H. Henderson, Philip K. Holl, Mark H. Smith and Lazarus
N. Sun, and each of them, acting singly, with full power of substitution, as the
true and lawful attorney of the undersigned, to sign on his behalf, and to file
filings and any amendments thereto made by or on behalf of the undersigned in
respect of the beneficial ownership of equity pursuant to sections 13, 14, and
16 of the Securities and Exchange Act of 1934, as amended.
IN WITNESS WHEREOF, this Power of Attorney has been executed as of the
6th day of November, 2000.
By: /s/ ROBERT A. DAY
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Robert A. Day
