Document:

EXHIBIT 10.24
                                                                   -------------

                                CDKNET.COM, INC.
                       RESTRICTED STOCK PURCHASE AGREEMENT
                       -----------------------------------

      THIS RESTRICTED STOCK PURCHASE AGREEMENT ("Agreement") is made this July
__, 2004, by and between CDKNET.COM, INC., a Delaware corporation (the
"Corporation"), and GDA TECHNOLOGIES, INC., a California corporation (the
"Purchaser").

      WHEREAS, the Corporation's Arkados, Inc. subsidiary ("Arkados") has
entered into a Silicon Product Development and Production Collaboration
Agreement with Purchaser dated July __, 2004 (the "Collaboration Agreement") in
which the corporation agreed to issue 150,000 shares to Purchaser (subject to
certain vesting);

      WHEREAS, the Board of Directors of the Corporation is of the opinion that
the interests of the Corporation will be advanced by granting the Purchaser the
opportunity to purchase the Shares (as defined in Section 1 hereby), subject to
the vesting provisions of Section 3, thus providing the Purchaser with an
incentive for prompt performance and a more direct stake in the Corporation's
welfare and creating a closer relationship between the Purchaser's interests and
the interests of the Corporation;

      WHEREAS, the Corporation is providing the Purchaser with a cash payment in
an amount equal to the purchase price for the purchase of the Shares (the "Cash
Payment");

      WHEREAS, Purchaser acknowledges that but for the Confidential Information
provision of the Advisory Agreement, the Corporation would not have made
available the opportunity for Purchaser to purchase the Shares.

      NOW, THEREFORE, in consideration of the purchase price set forth below and
the other conditions required hereunder, the parties agree as follows:

      1. Stock Purchase. The Corporation hereby sells to the Purchaser and the
Purchaser hereby purchases 150,000 shares of common stock of the Corporation
(the "Shares") for a price of $.0001 per share, subject to the forfeiture and
non-transferability provisions set forth in Sections 2 and 4, respectively, and
the other terms and conditions set forth herein.

      2. Forfeiture. Any Shares not yet vested pursuant to Section 3 hereof
shall, without any further action on the part of the Corporation, be immediately
forfeited (a "Forfeiture") and the holder of such Shares shall return such
Shares to the Corporation for the above purchase price per share.

      In the event of any Forfeiture, the Corporation may cause the transfer and
registration of the forfeited shares into the name of the Corporation without
surrender of the certificate representing such Shares, and the Purchaser
appoints the Corporation and any officer as attorney-in-fact to execute all
stock powers or affidavits and cause the transfer and re-registrations of the
forfeited shares. The provisions of this Section 2 shall be binding upon
Purchaser and Purchaser's heirs, representatives, and assigns.

      3. Vesting.

         (a) 50% of the Shares shall be vested and released from Forfeiture on
the date this Agreement is executed.

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         (b) 100% of the Shares shall vest upon the Corporation's receipt of a
duly executed certification ("Vesting Certification") of the chief executive
officer of Arkados to the effect that the Target has been achieved by Purchaser
at least 30 days prior to the Target Date (each as defined in the Collaboration
Agreement), a copy of which shall be mailed to Purchaser.

         (c) The Shares shall be forfeited (i) upon the Corporation's receipt of
a duly executed certification of the chief executive officer of Arkados to the
effect that the Target has not been achieved 30 days prior to the Target Date
("Forfeiture Certification"), or (ii) July 31, 2005 if no certification has been
received by the Corporation on or before that date.

         (d) The Purchaser agrees that a Vesting Certification or Forfeiture
Certification given in good faith by the chief executive officer of Arkados
shall be conclusive evidence of the contents thereof.

      4. Restrictions. The Purchaser shall not transfer, sell, convey, exchange,
pledge any of the shares that may still be subject to forfeiture under the
Agreement, or otherwise grant a security interest in, or otherwise dispose of
any of such Shares (and any such disposition or attempted disposition shall be
void and of no force or effect whatsoever).

      5. Legend. Certificates representing the Shares (and any shares received
in respect of the Shares as contemplated by Section 6) shall bear a legend
evidencing the restrictions against transferability set forth in this Agreement.
When and as the restrictions terminate, the Purchaser shall be entitled to have
the legend removed from certificates representing shares with respect to which
restrictions have terminated.

      6. Adjustments and Certain Distributions. If, before the termination of
the restrictions hereunder on all the Shares, the Corporation shall have
effected one or more stock splits, stock dividends, or other increases of its
common stock outstanding without receiving consideration therefor, all of the
shares received by the Purchaser in respect of the Shares that are then subject
to the non-transferability and repurchase provisions set forth in Sections 2 and
3 shall also be held subject to such non-transferability and repurchase
provisions. In addition, any stock or other securities of any subsidiary of the
Corporation received by the Purchaser in respect of any Shares that are then
subject to the non-transferability and repurchase provisions hereunder shall
also be held subject to such non-transferability and repurchase provisions.

      7. Rights and Privileges Inure to the Purchaser. This Agreement and the
rights and privileges conferred by this Agreement enure only to the Purchaser
and shall not be sold, assigned, transferred, conveyed, pledged, hypothecated,
encumbered, or donated in any way (whether by operation of law or otherwise) and
shall not be subject to execution, attachment, or similar process.
Notwithstanding the foregoing, if the Purchaser is a corporation, partnership or
other entity with a legal existence, the rights under this agreement may be
transferred to equity owners, directors, officers and employees of Purchaser
upon the execution of an assignment and assumption by such transferee in form
and substance reasonably acceptable to the Corporation.

      8. Securities Law Matters. The Purchaser acknowledges, warrants, and
represents that he is acquiring the Shares for investment and not with a view to
distributing all or any part thereof in any transaction which would constitute a
"distribution" within the meaning of the Securities Act. The Purchaser
acknowledges that the Shares have not been registered under the Securities Act,
and the Corporation is under no obligation to file a registration statement with
the Securities and Exchange Commission with respect to the Shares, and that in
addition to the restrictions contained in this Agreement, no sale or transfer
may be made except in compliance with the Securities Act and applicable state
securities laws.

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      9. Investor Qualification and Representation. Purchaser is able to bear
the economic risks of this investment and, consequently, without limiting the
generality of the foregoing, is able to hold the Shares for an indefinite period
of time and has a sufficient net worth and available funds to sustain a loss of
the undersigned's entire investment in the Shares. Purchaser (a) has such
knowledge and experience in financial and business matters that it is capable of
evaluating the merits and risks of its investment in the Shares; and (b) has had
the opportunity to ask questions of, and receive answers from, the Corporation
concerning the terms and conditions of the offering of the Shares and to obtain
additional information. Purchaser has been well advised regarding the risks of
investing in the Corporation. Purchaser has not relied on any other written or
oral statements made by the Corporation, its officers, or its directors.

      10. Definitions. In addition to the terms defined elsewhere in this
Agreement, the following terms shall have the following meanings when used in
this Agreement.

      "Board of Directors" means the board of directors of the Corporation.

      "Person" means a natural person, a partnership, a corporation, a limited
liability company, an association, a joint stock company, a trust, a joint
venture, an unincorporated organization or other entity, or a governmental
entity or any department, agency, or political subdivision thereof.

      "Securities Act" means the Securities Act of 1933, as amended.

      "Subsidiary" means, with respect to the Corporation, any Person of which
securities or other ownership interests representing more than 50% of the
ordinary voting power are, at the time as of which any determination is being
made, owned or controlled by the Corporation or one or more Subsidiaries of the
Corporation or by the Corporation and one or more Subsidiaries of the
Corporation.

         IN WITNESS WHEREOF, the parties have executed this Restricted Stock
Purchase Agreement on the date first above written.

                                                   CDKNET.COM, INC.

                                                   By: /s/ Steven A. Horowitz
                                                       -------------------------
                                                       Steven A. Horowitz, CEO

                                                   GDA Technologies, Inc.

                                                   By: Ravi Thummarukudy
                                                       -------------------------
                                                       Name:  Ravi Thummarukudy
                                                       Title:

                                        3EXHIBIT 10.25
                                                                   -------------

                            DEBT CONVERSION AGREEMENT

         This Debt Conversion Agreement made as of this 1st day of May, 2004
between CDKnet.com, Inc., a Delaware corporation (the "Company") having a
principal place of business at 40 Marquette Drive, Smithtown, NY 11787 and
Morritt, Hock, Hamroff and Horowitz, LLP (the "Firm") and Steven A. Horowitz
("Horowitz") each having an address at 400 Garden City Plaza, Suite 202, Garden
City, NY 11530. The Firm and Horowitz are each referred to herein as "Lender"
and are collectively referred to as the "Lenders."

         WHEREAS, Horowitz has advanced funds of $38,000 to Company; and

         WHEREAS, the Firm has provided services to the Company totaling
$112,534 (of which $82,534 was billed and unpaid at March 31, 2004); and

         WHEREAS, Lenders are willing to release the Company from its obligation
to repay the Loan upon the terms and conditions set forth herein.

         NOW THEREFORE, in consideration of the terms, conditions and agreements
contained in this Agreement, the parties agree as follows:

         1. Issuance of Securities.

                  (a) Lenders agree to accept 150,000 shares of the Company's
common stock in full satisfaction of the Company's obligation to repay the Loan.
The Company agrees to issue the shares to Lenders promptly following the
execution of this Agreement.

                  (b) The certificate, in due and proper form, representing the
shares will be registered in the name of the Firm and bear a legend
substantially in the following form:

                  "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933. THE SHARES HAVE
                  BEEN ACQUIRED FOR INVESTMENT AND MAY NOT BE SOLD, TRANSFERRED
                  OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION
                  STATEMENT FOR THESE SHARES UNDER THE SECURITIES ACT OF 1933 OR
                  AN OPINION OF COUNSEL THAT REGISTRATION IS NOT REQUIRED UNDER
                  SAID ACT".

         2. Lender's Representations and Warranties.

         Each of Horowitz and the Firm hereby acknowledges, represents and
warrants to, and agrees with, the Company as follows:

                  (a) The Lender is acquiring the shares for his own account as
principal, for investment purposes only, and not with a view to, or for, resale,
distribution or fractionalization

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thereof, in whole or in part, and no other person has a direct or indirect
beneficial interest in such shares.

                  (b) The Lender acknowledges its understanding that the
offering and sale of the shares is intended to be exempt from registration under
the Act by virtue of Section 4(2) of the Securities Act of 1933, as amended (the
"Act") and the provisions of Regulation D thereunder.

                  (c) The Lender has the financial ability to bear the economic
risk of his investment, has adequate means for providing for his current needs
and personal contingencies and has no need for liquidity with respect to his
investment in the Company.

                  (d) The Lender is an "accredited investor" as that term is
defined in Rule 501(a) of Regulation D under the Act (17 C.F.R. 230.501(a)).

                  (e) The Lender has made an independent investigation of the
Company's business, been provided an opportunity to obtain additional
information concerning the Company he deems necessary to make an investment
decision and all other information to the extent the Company possesses such
information or can acquire it without unreasonable effort or expense.

                  (f) The Lender represents, warrants and agrees that he will
not sell or otherwise transfer the shares unless registered under the Act or in
reliance upon an exemption therefrom, and fully understands and agrees that he
must bear the economic risk of his purchase for an indefinite period of time
because, among other reasons, the shares or underlying securities have not been
registered under the Act or under the securities laws of certain states and,
therefore, cannot be resold, pledged, assigned or otherwise disposed of unless
they are subsequently registered under the Act and under the applicable
securities laws of such states or an exemption from such registration is
available. The Lender also understands that the Company is under no obligation
to register the shares on his behalf or to assist the Lender in complying with
any exemption from registration under the Act. The Lender further understands
that sales or transfers of the shares or underlying securities are restricted by
the provisions of state securities laws.

                  (g) The foregoing representations, warranties and agreements
shall survive the delivery of the shares under the Agreement.

         3. Company Representations and Warranties.

         The Company hereby acknowledges, represents and warrants to, and agrees
with the Lenders as follows:

                  (a) The Company has been duly organized, is validly existing
and is in good standing under the laws of the State of Delaware. The Company has
full corporate power and authority to enter into this Agreement and this
Agreement has been duly and validly authorized, executed and delivered by the
Company and is a valid and binding obligation of the Company,

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<PAGE>

enforceable against the Company in accordance with its terms, except as such
enforcement may be limited by the United States Bankruptcy Code and laws
effecting creditors rights, generally.

                  (b) Subject to the performance by the Lenders of its
obligations under this Agreement and the accuracy of the representations and
warranties of the Lender, the offering and sale of the shares will be exempt
from the registration requirements of the Act.

                  (c) The execution and delivery by the Company of, and the
performance by the Company of its obligations under this Agreement in accordance
with the terms of this Agreement will not contravene any provision of applicable
law or the charter documents of the Company or any agreement or other instrument
binding upon the Company, or any judgment, order or decree of any governmental
body, agency or court having jurisdiction over the Company, and no consent,
approval, authorization or order of, or qualification with, any governmental
body or agency is required for the performance by the Company of its obligations
under this Agreement in accordance with the terms of this Agreement.

                  (d) The foregoing representations, warranties and agreements
shall survive the Closing.

         4. Release.

         Upon the delivery of the consideration to Lender set forth in Section 1
of this Agreement, the Lender releases and forever discharges the Company of and
from all and all manner of actions, suits, debts, sums of money, contracts,
agreements, claims and demands at law or in equity, that Lender had, or may have
arising from the Loan.

         5. Miscellaneous.

                  (a) Modification. Neither this Agreement nor any provisions
hereof shall be modified, discharged or terminated except by an instrument in
writing signed by the party against whom any waiver, change, discharge or
termination is sought.

                  (b) Notices. Any notice, demand or other communication which
any party hereto may be required, or may elect, to give to anyone interested
hereunder shall be sufficiently given if (a) deposited, postage prepaid, in a
United States mail letter box, registered or certified mail, return receipt
requested, addressed to such address as may be given herein, or (b) delivered
personally at such address.

                  (c) Counterparts. This Agreement may be executed through the
use of separate signature pages or in any number of counterparts, and each of
such counterparts shall, for all purposes, constitute one agreement binding on
all the parties, notwithstanding that all parties are not signatories to the
same counterpart.

                  (d) Binding Effect. Except as otherwise provided herein, this
Agreement shall be binding upon and inure to the benefit of the parties and
their heirs, executors, administrators, successors, legal representatives and
assigns. If the undersigned is more than one

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person, the obligation of the Investor shall be joint and several, and the
agreements, representations, warranties and acknowledgments herein contained
shall be deemed to be made by and be binding upon each such person and his
heirs, executors, administrators and successors.

                  (e) Entire Agreement. This instrument contains the entire
agreement of the parties, and there are no representations, covenants or other
agreements except as stated or referred to herein.

                  (f) Applicable Law. This Agreement shall be governed and
construed under the laws of the State of New York.

         IN WITNESS WHEREOF, the Company and Lenders have caused this Agreement
to be executed and delivered by their respective officers, thereunto duly
authorized.

                                      CDKNET.COM, INC.

                                      By: /s/ Steven A. Horowitz
                                          ---------------------------------
                                          Steven A. Horowitz, President

                                      LENDERS

                                      /s/ Steven A. Horowitz
                                      --------------------------------------
                                      Steven A. Horowitz

                                      Moritt, Hock, Hamroff &
                                      Horowitz, LLP

                                      By:  Mark Hamroff
                                           ---------------------------------

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