<PAGE>
                                                                   EXHIBIT 10.11

                                 PROMISSORY NOTE

$56,422.06                                                     DECEMBER 13, 1999
                                              WINTER HAVEN, POLK COUNTY, FLORIDA

FOR VALUE RECEIVED, the undersigned promise to pay to the order of FIDRA
HOLDINGS, LTD at SUITE 1, WEST BAY STREET, P.O. BOX CB-11728, NASSAU, BAHAMAS or
at such other address as may be indicated in writing, in the manner hereinafter
specified, the principal sum of FIFTY SIX THOUSAND FOUR HUNDRED AND TWENTY TWO
AND 06/100 DOLLARS ($56,422.06) with interest from the date hereof, at the rate
of NINE PERCENT (9%) per annum on the balance from time to time remaining
unpaid. The said principal and interest shall be payable in lawful money of the
United States of America, on the date and in the following manner:

         The sum of $1,269.50 representing a payment of interest only shall be
         due and payable on March 13, 2000, and on the 13th day of each quarter
         (June, & Sept.) thereafter until December 13, 2000. The sum of
         representing a payment of principal and interest shall be due and
         payable on January 13, 2001, and on the 13th day of each month
         thereafter until December 13, 2002 at which time the remaining
         principal balance, together with any accrued but unpaid interest, shall
         be due.

         All payments shall be first applied to late charges, if any, then to
         the payment of accrued interest, and the balance remaining, if any,
         shall be applied to the payment of the principal sum.

         This note may be prepaid, in whole or in part, without penalty, at any
         time prior to maturity.

This note with interest is secured by a purchase money mortgage, of even date
herewith, the terms of which are incorporated herein by reference, made by the
makers hereof in favor of the said payee, is given as part of the purchase price
of the real property described in the mortgage, and shall be construed and
enforced according to the laws of the State of Florida.

If default be made in the payment of any installment under this note, and if
such default is not made good within 15 days, the entire principal sum and
accrued interest shall at once become due and payable without notice at the
option of the holder of this Note. Failure to exercise this option shall not
constitute a waiver of the right to exercise the same at a later time for the
same default or for any subsequent default. Any payment not received with 10
days of the due date shall include a late charge of 5% of the payment due. In
the event of default in the payment of this note, and if the same is placed in
the hands of any attorney for collection, the undersigned hereby agree to pay
all costs of collection, including a reasonable attorney's fee.

Makers waive demand, presentment for payment, protest, and notice of nonpayment
and dishonor.

                                     TOHO HOLDINGS, INC.

                                     By: /s/ Frank Dolney
                                         ---------------------------
                                         Frank Dolney, President

The state documentary tax due on this Note has been paid on the Mortgage
securing this indebtedness.