Document:

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                                                                   Exhibit 10.35

                             AMPHORA DISCOVERY CORP.

                KNAPP FOUNDER RESTRICTED STOCK PURCHASE AGREEMENT

        This Restricted Stock Purchase Agreement (the "Agreement") is entered
into as of October 8, 2001, by and between Amphora Discovery Corp., a Delaware
corporation (the "Company"), and Michael R. Knapp ("Purchaser").

        Whereas in order to give the Purchaser an opportunity to acquire an
equity interest in the Company and in connection with the Consulting Agreement,
dated as of even date hereof, between the Company and the Purchaser (the
"Consulting Agreement"), the Company is willing to sell to the Purchaser and the
Purchaser desires to purchase shares of Common Stock according to the terms and
conditions contained herein.

        Therefore, in consideration of the mutual covenants and representations
set forth herein and in the Consulting Agreement, the Company and the Purchaser
agree as follows:

        1.     SALE OF STOCK. The Company hereby agrees to sell to Purchaser and
Purchaser hereby agrees to purchase an aggregate of 900,000 shares of the
Company's Common Stock (the "Shares"), at a purchase price of $0.10 per share
(the "Purchase Price") representing the current fair market value of such shares
as determined by the Company's Board of Directors, for an aggregate purchase
price of $90,000.00.

        2.     PAYMENT OF PURCHASE PRICE. The Purchase Price for the Shares
shall be paid, in part, by delivery to the Company at the time of execution of
this Agreement of a check in the amount of $900.00 made payable to the Company,
and the remainder of the Purchase Price shall be paid by cancellation of all
amounts owed by the Company to the Purchaser for services rendered by the
Purchaser to the Company prior to the date hereof, including, but not limited
to, services provided by the Purchaser in connection with the formation and
funding of the Company.

        3.     DEFINITIONS.

               (a)    "Shares" refers to the purchased Shares and all shares
received in respect thereof as a consequence of stock dividends, stock splits,
reverse stock splits, recapitalizations, mergers, reorganizations or the like,
and all new, substituted or additional securities or other properties to which
Purchaser is or may be entitled by reason of Purchaser's ownership of the
Shares.

               (b)    "Unvested Shares" shall mean any of the Shares subject to
the Company's Repurchase Option described in Section 5 which have not yet been
released pursuant to Section 4 below from such Repurchase Option.

               (c)    "Repurchase Option" shall have the meaning set forth in
Section 5.

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               (d)    "Cause" shall mean any of the following: (i) the willful
failure by Purchaser to substantially perform its duties with the Company (other
than due to Purchaser's incapacity as a result of physical or mental illness);
(ii) the willful engaging by Purchaser in conduct which is determined by the
Board of Directors of the Company to be materially adverse to the Company, its
business or reputation, or which constitutes gross misconduct; (iii) Purchaser's
material breach of the terms of this Agreement, the Consulting Agreement, or any
other agreements between the Purchaser and the Company; (iv) Purchaser's refusal
to serve as a member of the Board of Directors of the Company if requested by
the Company; (v) Purchaser's voluntary termination of the Consulting Agreement;
or (vi) Purchaser's conviction for or admission or plea of no contest with
respect to a felony involving moral turpitude, an act of fraud against the
Company, the misappropriation of material property belonging to the Company or
an act of violence against an officer, director, employee or consultant of the
Company; provided, however, that in the event that any of the foregoing events
in (i) (ii) or (iii) is capable of being cured, the Company shall provide
written notice to Purchaser describing the nature of such event, and Purchaser
shall thereafter have thirty (30) business days from the date of delivery of
such notice to cure such event.

        4.     VESTING. The Shares shall vest and be released from the Company's
Repurchase Option in accordance with the following provisions:

               (a)    One Hundred percent (100%) of the Shares shall be subject
to the Company's Repurchase Option as of the date hereof. The Shares subject to
the Repurchase Option shall be released from such Repurchase Option as follows:
(i) Fifty percent (50%) of the Shares shall be released as of the date of the
closing of the Company's proposed Series A Preferred Stock financing (the
"Vesting Start Date"); (ii) One-ninety-sixth (1/96) of the Shares shall be
released one (1) month after the Vesting Start Date; and (iii) an additional
one-ninety-sixth (1/96) of the subject Shares shall be released each full month
thereafter, provided that Purchaser continues to remain available to serve as a
member of the Company's Board of Directors or provide advisory services to the
Company (the "Services") during such period. If the Services of the Purchaser
are terminated by the Company other than for Cause, all Shares shall be
immediately released from the Company's Repurchase Option. The Shares which have
been released from the Company's Repurchase Option shall be delivered to the
Purchaser at the Purchaser's request

        5.     REPURCHASE OPTION.

               (a)    Repurchase. Effective as of the date (the "Expiration
Date") that the Purchaser voluntarily ceases providing Services to the Company
or if the Services are terminated by the Company for Cause, the Company or its
assignee shall have an irrevocable, exclusive option (the "Repurchase Option")
for a period of ninety (90) days from the Expiration Date to repurchase at the
Purchase Price up to that number of shares which shall constitute Unvested
Shares as of the Expiration Date.

               (b)    Mechanics of Repurchase. In order to exercise the
Repurchase Option, the Company shall deliver written notice of exercise to
Purchaser within the time period specified in paragraph 5(a) above. The Company
shall pay to Purchaser within the time period specified in paragraph 5(a), the
aggregate repurchase price by check. Upon delivery of such notice, (i) the
Company or its assignee shall become the legal and beneficial owner of the
Shares being

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repurchased and all rights and interests therein or relating thereto; (ii) the
Company shall have the right to retain and transfer to its own name or the name
of its assignee the repurchased Shares; and (iii) Purchaser shall retain solely
the right to receive the payment for the Shares so repurchased.

        6.     RESTRICTIONS ON TRANSFER. Except for the transfer of the Shares
to the Company or its assignee as contemplated by this Agreement, no Shares or
any beneficial interest therein shall be transferred, encumbered or otherwise
disposed of in any way until the release of such Shares from the Repurchase
Option in accordance with the provisions of this Agreement, provided that the
Purchaser may transfer all or any of the shares subject to the Repurchase Option
to its spouse, children, parents or any other member of his immediate family,
siblings, parents of siblings and siblings of spouse, or any trust or trust for
their benefit, as long as any such transferee agrees in writing to be bound by
this Agreement to the same extent as the Purchaser and executes such other
documentation as may reasonably be requested by the Company or its legal counsel
in connection with such transfer.

        7.     LEGENDS. The share certificate evidencing the Shares issued
hereunder shall be endorsed with the following restrictive legends (in addition
to any legend required under applicable state securities laws):

        THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED FOR
        INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR
        DISTRIBUTION THEREOF, AND HAVE NOT BEEN REGISTERED UNDER THE SECURITIES
        ACT OF 1933. SUCH SHARES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE
        OF SUCH REGISTRATION OR UNLESS THE COMPANY RECEIVES AN OPINION OF
        COUNSEL REASONABLY ACCEPTABLE TO IT SAYING THAT SUCH SALE OR TRANSFER IS
        EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF
        SAID ACT.

        THE SHARES REPRESENTED HEREBY ARE SUBJECT TO CERTAIN RESTRICTIONS UPON
        TRANSFER AND RIGHTS OF REPURCHASE AS SET FORTH IN AN AGREEMENT BETWEEN
        THE COMPANY AND THE STOCKHOLDER, A COPY OF WHICH IS AVAILABLE UPON THE
        REQUEST OF THE REGISTERED HOLDER HEREOF TO THE SECRETARY OF THE COMPANY.

        8.     ADJUSTMENTS FOR STOCK SPLITS, ETC. All references to the number
of Shares and the purchase price of the Shares in this Agreement shall be
appropriately adjusted to reflect any stock dividend, stock split,
recapitalization, merger, reorganization or other change in the Shares which may
be made by the Company after the date of this Agreement.

        9.     ESCROW. As security for the faithful performance of this
Agreement, Purchaser agrees, immediately upon receipt of the certificate(s)
evidencing the Shares, to deliver such certificate(s), together with a stock
power and assignment in the form attached hereto as Exhibit 2, executed by
Purchaser (with the date and number of Shares left blank), to the Secretary of
the Company ("Escrow Agent"). Escrow Agent shall hold such Shares pursuant to an
escrow agreement in the form attached hereto as Exhibit 1, by which Escrow Agent
shall be authorized to take all such actions and to effectuate all such
transfers and/or releases of such Shares as are in accordance with

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the terms of this Agreement. The Shares shall be released from escrow upon
termination of the Repurchase Option provided for in Section 5.

        10.    MARKET STAND-OFF AGREEMENT. Purchaser and each transferee of the
Shares issued hereunder agrees by acceptance hereof or thereof not to sell, make
a short sale of, loan, grant any option for the purchase of, or otherwise
dispose of any shares of Common Stock of the Company held by Purchaser without
the prior written consent of the Company or the underwriters managing the
initial underwritten public offering of the Company's securities, for such
period of time (not to exceed one hundred eighty (180) days) as may be requested
by the Company and the managing underwriter, and further agrees to execute any
agreement reflecting the above provision as may be requested by the underwriters
at the time of any such initial public offering.

        11.    PURCHASER'S REPRESENTATIONS. In connection with the Purchaser's
purchase of the Shares, the Purchaser hereby represents and warrants to the
Company as follows:

               (a)    Investment Intent; Capacity to Protect Interests. The
Purchaser is purchasing the Shares solely for her own account for investment and
not with a view to or for sale in connection with any distribution of the Shares
or any portion thereof and not with any present intention of selling, offering
to sell or otherwise disposing of or distributing the Shares or any portion
thereof in any transaction other than a transaction exempt from registration
under the Securities Act of 1933, as amended (the "Act"). The Purchaser also
represents that the entire legal and beneficial interest of the Shares is being
purchased, and will be held, for the Purchaser's account only, and neither in
whole or in part for any other person. Purchaser either has a pre-existing
business or personal relationship with the Company and has the capacity to
evaluate the merits and risks of an investment in the Company and to protect
Purchaser's own interests in connection with this transaction.

               (b)    Residence. The Purchaser's principal residence is located
at the address indicated beneath the Purchaser's signature below.

               (c)    Information Concerning the Company. The Purchaser has
heretofore discussed the Company and its plans, operations and financial
condition with the Company's officers and has heretofore received all such
information as the Purchaser has deemed necessary and appropriate to enable the
Purchaser to evaluate the financial risk inherent in making an investment in the
Shares, and the Purchaser has received satisfactory and complete information
concerning the business and financial condition of the Company in response to
all inquiries in respect thereof.

               (d)    Economic Risk. The Purchaser realizes that the purchase of
the Shares will be a highly speculative investment and involves a high degree of
risk, and the Purchaser is able, without impairing financial condition, to hold
the Shares for an indefinite period of time and to suffer a complete loss on the
Purchaser's investment.

               (e)    Restricted Securities. The Purchaser understands and
acknowledges that:

                      (i)    the sale of the Shares has not been registered
under the Act, and the Shares must be held indefinitely unless subsequently
registered under the Act or an exemption from such registration is available and
the Company is under no obligation to register the Shares;

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                      (ii)   the share certificate representing the Shares will
be stamped with the legends specified in Section 7 hereof; and

                      (iii)  the Company will make a notation in its records of
the aforementioned restrictions on transfer and legends.

               (f)    Disposition under Rules 144 and 701. The Purchaser
understands that the Shares are restricted securities within the meaning of Rule
144 promulgated under the Act; that the exemption from registration under Rule
144 will not be available in any event for at least one (1) year from the date
of purchase and payment of the Shares (unless Rule 701 promulgated under the Act
is available), and even then will not be available unless (i) a public trading
market then exists for the Common Stock of the Company; (ii) adequate
information concerning the Company is then available to the public; and (iii)
other terms and conditions of Rule 144 are complied with; and that any sale of
the Shares may be made only in limited amounts in accordance with such terms and
conditions.

        The Purchaser understands that the resale provisions of Rule 701, if
available, will not apply until ninety (90) days after the Company becomes
subject to reporting obligations under the Exchange Act. There can be no
assurance that the requirements of Rule 144 or Rule 701 will be met, or that the
Shares will ever be saleable.

               (g)    Section 83(b) Election. The Purchaser understands that
Section 83 of the Internal Revenue Code of 1986, as amended (the "Code"), taxes
as ordinary income the difference between the amount paid for the Shares and the
fair market value of the Shares as of the date any restrictions on the Shares
lapse. In this context, "restriction" means the right of the Company to buy back
the stock pursuant to the Repurchase Option. The Purchaser understands that he
may elect to be taxed at the time the Shares are purchased rather than when and
as the Repurchase Option expires by filing an election under Section 83(b) of
the Code with the I.R.S. within thirty (30) days from the date of purchase. Even
if the fair market value of the Shares equals the amount paid for the Shares,
the election must be made to avoid adverse tax consequences in the future. The
form for making this election is attached as Exhibit 3 hereto. The Purchaser
understands that failure to make this filing timely will result in the
recognition of ordinary income by the Purchaser, as the Repurchase Option
lapses, on the difference between the purchase price and the fair market value
of the Shares at the time such restrictions lapse.

        THE PURCHASER ACKNOWLEDGES THAT IT IS THE PURCHASER'S SOLE
        RESPONSIBILITY AND NOT THE COMPANY'S TO FILE TIMELY THE ELECTION UNDER
        SECTION 83(b), EVEN IF THE PURCHASER REQUESTS THE COMPANY OR ITS
        REPRESENTATIVES TO MAKE THIS FILING ON THE PURCHASER'S BEHALF.

        12.    GENERAL PROVISIONS.

               (a)    This Agreement shall be governed by and construed and
enforced in accordance with the laws of the State of California as they apply to
contracts entered into and wholly to be performed within such state.

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               (b)    This Agreement, including its Exhibits, represents the
entire agreement between the parties with respect to the purchase of the Shares
by the Purchaser.

               (c)    Any notice, demand or request required or permitted to be
given by either the Company or Purchaser pursuant to the terms of this Agreement
shall be in writing and shall be deemed given when delivered, if delivered
personally; three (3) business days after the business day of deposit in the
U.S. mail, by registered or certified mail with postage prepaid; one (1)
business day after the business day of facsimile transmission, if a confirmation
copy is sent by first class mail with postage prepaid; or, one (1) business day
after the business day of deposit with Federal Express or similar overnight
carrier, freight prepaid; in any such case addressed to any party at such
party's address as set forth at the end of this Agreement or such other address
as the party may designate by notifying the other in writing.

               (d)    The rights and benefits of the Company under this
Agreement shall be transferable to any one or more persons or entities, and all
covenants and agreements hereunder shall inure to the benefit of, and be
enforceable by the Company's successors and assigns. The rights and obligations
of Purchaser under this Agreement may only be assigned with the prior written
consent of the Company.

               (e)    Either party's failure to enforce any provision or
provisions of this Agreement shall not in any way be construed as a waiver of
any such provision or provisions, nor prevent that party from thereafter
enforcing each and every other provision of this Agreement. The rights granted
both parties herein are cumulative and shall not constitute a waiver of either
party's right to assert all other legal remedies available to it under the
circumstances.

               (f)    Purchaser agrees upon request to execute any further
documents or instruments necessary or desirable to carry out the purposes or
intent of this Agreement.

                                     * * * *

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By Purchaser's signature below, Purchaser represents that Purchaser hereby
accepts this Agreement subject to all of the terms and provisions thereof.
Purchaser has reviewed this Agreement in its entirety, has had an opportunity to
obtain the advice of counsel prior to executing this Agreement and fully
understands all provisions of this Agreement.

"COMPANY"

AMPHORA DISCOVERY CORP.

By:  /s/ Martin Haslanger
    -------------------------------------

Name: Martin Haslanger
      -----------------------------------

Title: President & CEO
       ----------------------------------

"PURCHASER"

/s/ Michael R. Knapp
-----------------------------------------

Michael R. Knapp
-----------------------------------------

738 Glenmere Way, Emerald Hills, CA 94062
-----------------------------------------
Residence Address

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                                CONSENT OF SPOUSE

        The undersigned spouse of Michael R. Knapp has read and approves the
foregoing Agreement. In consideration of the Company's granting my spouse the
right to purchase the Shares as set forth in the Agreement, the undersigned
hereby agrees to be irrevocably bound by the Agreement and further agrees that
any community property interest shall be similarly bound by the Agreement. I
hereby appoint my spouse as my attorney-in-fact with respect to any amendment or
exercise of any right under the Agreement.

                                          /s/ Marianne Knapp
                                        ---------------------------------------

<PAGE>

                                    EXHIBIT 1

                            JOINT ESCROW INSTRUCTIONS

                                                                 October 8, 2001

Secretary
Amphora Discovery Corp.
c/o Wilson Sonsini Goodrich & Rosati
650 Page Mill Road
Palo Alto, CA 94304-1050

Dear Sir:

        As Escrow Agent for both Amphora Discovery Corp., a Delaware Corporation
(the "Company"), and the undersigned purchaser of stock of the Company (the
"Purchaser"), you are hereby authorized and directed to hold the documents
delivered to you pursuant to the terms of that certain Restricted Stock Purchase
Agreement (the "Agreement") between the Company and the undersigned, to which a
copy of these Joint Escrow Instructions is attached as Exhibit 1, in accordance
with the following instructions:

        1.     In the event the Company and/or any assignee of the Company
(referred to collectively for convenience herein as the "Company") exercises the
Repurchase Option set forth in the Agreement, the Company shall give to
Purchaser and you a written notice specifying the number of shares of stock to
be purchased, the purchase price, and the time for a closing hereunder at the
principal office of the Company. Purchaser and the Company hereby irrevocably
authorize and direct you to close the transaction contemplated by such notice in
accordance with the terms of the notice.

        2.     At the closing, you are directed (a) to date the stock
assignments necessary for the transfer in question, (b) to fill in the number of
shares being transferred, and (c) to deliver the same, together with the
certificate evidencing the shares of stock to be transferred, to the Company or
its assignee, in accordance with the Agreement, against the simultaneous
delivery to you of the purchase price (by check) for the number of shares of
stock being purchased pursuant to the exercise of the Repurchase Option.

        3.     Purchaser irrevocably authorizes the Company to deposit with you
any certificates evidencing shares of stock to be held by you hereunder and any
additions and substitutions to the shares as defined in the Agreement. Purchaser
does hereby irrevocably constitute and appoint you as her attorney-in-fact and
agent for the term of this escrow to execute with respect to such securities all
documents necessary or appropriate to make such securities negotiable and to
complete any transaction herein contemplated. Subject to the provisions of this
paragraph 3, Purchaser shall exercise all rights and privileges of a stockholder
of the Company while the stock is held by you.

        4.     Upon written request of Purchaser, but no more than once each
year, unless the Repurchase Option has been exercised, you will deliver to
Purchaser a certificate or certificates representing so many shares of stock as
are not then Unvested Shares subject to the Repurchase

<PAGE>

Option. Within one hundred twenty (120) days after cessation of Purchaser's
employment with or services to the Company, you will deliver to Purchaser a
certificate or certificates representing the aggregate number of shares sold and
issued pursuant to the Agreement and not purchased by the Company or its
assignees pursuant to exercise of the Repurchase Option.

        5.     Your duties hereunder may be altered, amended, modified or
revoked only by a writing signed by all of the parties hereto.

        6.     You shall be obligated only for the performance of such duties as
are specifically set forth herein and may rely and shall be protected in relying
or refraining from acting on any instrument reasonably believed by you to be
genuine and to have been signed or presented by the proper party or parties. You
shall not be personally liable for any act you may do or omit to do hereunder as
Escrow Agent or as attorney-in-fact for Purchaser while acting in good faith,
and any act done or omitted by you pursuant to the advice of your own attorneys
shall be conclusive evidence of such good faith.

        7.     You are hereby expressly authorized to disregard any and all
warnings given by any of the parties hereto or by any other person or
corporation and are hereby expressly authorized to comply with and obey orders,
judgments or decrees of any duly approved arbitrator or court of competent
jurisdiction. In case you obey or comply with any such order, judgment or
decree, you shall not be liable to any of the parties hereto or to any other
person, firm or corporation by reason of such compliance, notwithstanding any
such order, judgment or decree being subsequently reversed, modified, annulled,
set aside, vacated or found to have been entered without jurisdiction.

        8.     You shall not be liable in any respect on account of the
identity, authorities or rights of the parties executing or delivering or
purporting to execute or deliver the Agreement or any documents or papers
deposited or called for hereunder.

        9.     You shall not be liable for the outlawing of any rights under any
applicable statute of limitations with respect to these Joint Escrow
Instructions or any documents deposited with you.

        10.    You shall be entitled to employ such legal counsel and other
experts as you may deem necessary properly to advise you in connection with your
obligations hereunder, may rely upon the advice of such counsel, and may pay
such counsel reasonable compensation therefor.

        11.    Your responsibilities as Escrow Agent hereunder shall terminate
if you shall cease to be an officer of the Company or if you shall resign by
written notice to each party. In the event of any such termination, the Company
shall appoint a successor Escrow Agent.

        12.    If you reasonably require other or further instruments in
connection with these Joint Escrow Instructions or obligations in respect
hereto, the necessary parties hereto shall join in furnishing such instruments.

        13.    It is understood and agreed that should any dispute arise with
respect to the delivery and/or ownership or right of possession of the
securities held by you hereunder, you are authorized and directed to retain in
your possession without liability to anyone all or any part of said securities
until such disputes shall have been settled either by mutual written agreement
of the parties concerned or by a final order, decree or judgment of a duly
appointed arbitrator or court of

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competent jurisdiction after the time for appeal has expired and no appeal has
been perfected, but you shall be under no duty whatsoever to institute or defend
any such proceedings.

        14.    At the option of either the Company or Purchaser, any and all
disputes or controversies arising from or respecting this agreement shall be
decided by binding arbitration under the rules of the American Arbitration
Association. The arbitration shall require one arbitrator. Arbitration shall
take place in Santa Clara County, California or any other location mutually
agreeable to the parties. At the request of either party, arbitration
proceedings will be conducted in the utmost secrecy. The arbitrator shall be
able to decree any and all relief of an equitable nature and to award damages,
with or without an accounting and costs. The decree of judgment of an award
rendered by the arbitrator may be entered in any court of competent
jurisdiction.

        15.    Any notice required or permitted hereunder shall be given in
writing and shall be deemed effectively given when delivered, if given by
personal delivery: three (3) business days after the business day of deposit in
the United States Post Office, by registered or certified mail with postage and
fees prepaid; one (1) business day after the business day of facsimile
transmission, if a confirmation copy is sent via first class mail, postage
prepaid; or one (1) business day after the business day of deposit with Federal
Express or similar overnight carrier, freight prepaid; in any such case
addressed to each of the other parties thereunto entitled at the addresses
indicated in the Company's records, or at such other addresses as a party may
designate by ten (10) days advance written notice to each of the other parties
hereto.

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        16. By signing these Joint Escrow Instructions, you become a party
hereto only for the purpose of said Joint Escrow Instructions; you do not become
a party to the Agreement. This instrument shall be binding upon and inure to the
benefit of the parties hereto, and their respective successors and permitted
assigns.

                                        Very truly yours,

                                        COMPANY:

                                        AMPHORA DISCOVERY CORP.
                                        A Delaware Corporation

                                        By: /s/ Martin Haslanger
                                            -----------------------------------

                                        Title: President
                                               --------------------------------

                                        PURCHASER:

                                        /s/ Michael R. Knapp
                                        ---------------------------------------
                                        (Signature)

                                        Michael R. Knapp
                                        ---------------------------------------
                                        (Print Name)
ESCROW AGENT:

   /s/ Michael O'Donnell
--------------------------------
Secretary

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                                    EXHIBIT 2

                           STOCK POWER AND ASSIGNMENT

                            SEPARATE FROM CERTIFICATE

        FOR VALUE RECEIVED and pursuant to that certain Restricted Stock
Purchase Agreement dated as of ___________, 20____ the undersigned hereby sells,
assigns and transfers unto ___________________________________________________,
shares of the Common Stock of Amphora Discovery Corp., a Delaware Corporation
(the "Company"), standing in the undersigned's name on the books of the Company
represented by Certificate No. _____ delivered herewith, and does hereby
irrevocably constitute the Secretary of the Company as attorney-in-fact, with
full power of substitution, to transfer said stock on the books of the Company.

Dated: ___________________, 20___

                                        _______________________________________
                                        (Signature)

                                        _______________________________________
                                        (Print Name)

This Stock Power may only be utilized for the repurchase of Shares by the
Company in accordance with the provisions of the Restricted Stock Purchase
Agreement dated as of ____________, 20____ by and between the signatory hereto
and the Company.

<PAGE>

                                    EXHIBIT 3

                         ELECTION UNDER SECTION 83(b) OF

                        THE INTERNAL REVENUE CODE OF 1986

        The undersigned Taxpayer hereby elects, pursuant to the provisions of
Sections 55-56 and 83(b) of the Internal Revenue Code of 1986, as amended, to
include in alternative minimum taxable income for the Taxpayer's current taxable
year, as compensation for services, the excess, if any, of the fair market value
of the property described below at the time of transfer over the amount paid for
such property.

1.   TAXPAYER'S NAME:                __________________________________________

     SPOUSE'S NAME:                  __________________________________________

     TAXPAYER'S ADDRESS:             __________________________________________

     SPOUSE'S ADDRESS:               __________________________________________

                                     __________________________________________

     TAXPAYER IDENTIFICATION NUMBER: __________________________________________

     SPOUSE IDENTIFICATION NUMBER:   __________________________________________

2.   The property with respect to which the election is made is described as
follows: 900,000 shares of Common Stock of Amphora Discovery Corp., a Delaware
Corporation (the "Company"), which is the corporation for whom the Taxpayer has
performed services.

3.   The date on which the shares were transferred was _____________, 20____,
and this election is made for calendar year 20____.

4.   The shares are subject to the following restrictions: The Company may
repurchase all or a portion of the shares at the Taxpayer's original purchase
price under certain conditions at the time of termination of services by the
Purchaser to the Company.

5.   The fair market value of the shares (without regard to restrictions other
than restrictions which by their terms will never lapse) was $0.10 per share at
the time of transfer.

6.   The amount (if any) paid for such shares was $0.10 per share.

7.   The Taxpayer has submitted a copy of this statement to the Company as the
Taxpayer's employer or the corporation for whom the Taxpayer has performed
services.

<PAGE>

THIS ELECTION MUST BE FILED WITH THE INTERNAL REVENUE SERVICE ("IRS") (AT THE
OFFICE WHERE THE TAXPAYER FILES ANNUAL INCOME TAX RETURNS) WITHIN 30 DAYS AFTER
THE DATE OF TRANSFER OF THE PROPERTY, AND MUST ALSO BE FILED WITH THE TAXPAYER'S
INCOME TAX RETURNS FOR THE CALENDAR YEAR ABOVE STATED. THE ELECTION CANNOT BE
REVOKED WITHOUT THE CONSENT OF THE IRS.

Dated: __________________________       _______________________________________
                                        Taxpayer's Signature

The undersigned spouse of Taxpayer joins in this election.

Dated: __________________________       _______________________________________
                                        Spouse's Signature

                                      -2-<PAGE>
                                                                   Exhibit 10.36

                             AMPHORA DISCOVERY CORP.

                          KNIGHTON CONSULTING AGREEMENT

        This Consulting Agreement ("Agreement") is made and entered into as of
the 14th day of October, 2001 by and between Amphora Discovery Corp., a Delaware
corporation (the "Company"), and James L. Knighton ("Consultant"). The Company
desires to retain Consultant as an independent contractor to perform consulting
services for the Company and Consultant is willing to perform such services, on
terms set forth more fully below. In consideration of the mutual promises
contained herein, the parties agree as follows:

1.      SERVICES AND COMPENSATION

        (a)    Consultant agrees to perform for the Company the services
described in Exhibit A ("Services").

        (b)    The Company agrees to pay Consultant the compensation set forth
in Exhibit A for the performance of the Services.

2.      CONFIDENTIALITY

        (a)    "Confidential Information" means any Company proprietary
information, technical data, trade secrets or know-how, including, but not
limited to, research, product plans, products, services, customers, customer
lists, markets, software, developments, inventions, processes, formulas,
technology, designs, drawings, engineering, hardware configuration information,
marketing, finances or other business information disclosed by the Company
either directly or indirectly in writing, orally or by drawings or inspection of
parts or equipment.

        (b)    Consultant will not, during or subsequent to the term of this
Agreement, use the Company's Confidential Information for any purpose whatsoever
other than the performance of the Services on behalf of the Company or disclose
the Company's Confidential Information to any third party, and it is understood
that said Confidential Information shall remain the sole property of the
Company. Consultant further agrees to take all reasonable precautions to prevent
any unauthorized disclosure of such Confidential Information. Confidential
Information does not include information which: (i) is known to Consultant at
the time of disclosure to Consultant by the Company as evidenced by written
records of Consultant; (ii) has become publicly known and made generally
available through no wrongful act of Consultant; or (iii) has been rightfully
received by Consultant from a third party who is authorized to make such
disclosure. Without the Company's prior written approval, Consultant will not
directly or indirectly disclose to anyone the terms of this Agreement.

        (c)    Consultant agrees that Consultant will not, during the term of
this Agreement, improperly use or disclose any proprietary information or trade
secrets of any former or current

<PAGE>

employer or other person or entity with which Consultant has an agreement or
duty to keep in confidence information acquired by Consultant in confidence, if
any, and that Consultant will not bring onto the premises of the Company any
unpublished document or proprietary information belonging to such employer,
person or entity unless consented to in writing by such employer, person or
entity. Consultant will indemnify the Company and hold it harmless from and
against all claims, liabilities, damages and expenses, including reasonable
attorneys fees and costs of suit, arising out of or in connection with any
violation or claimed violation of a third party's rights resulting in whole or
in part from the Company's use of the work product of Consultant under this
Agreement.

        (d)    Consultant recognizes that the Company has received and in the
future will receive from third parties their confidential or proprietary
information subject to a duty on the Company's part to maintain the
confidentiality of such information and to use it only for certain limited
purposes. Consultant agrees that Consultant owes the Company and such third
parties, during the term of this Agreement and thereafter, a duty to hold all
such confidential or proprietary information in the strictest confidence and not
to disclose it to any person, firm or corporation or to use it except as
necessary in carrying out the Services for the Company consistent with the
Company's agreement with such third party.

        (e)    Upon the termination of this Agreement, or upon Company's earlier
request, Consultant will deliver to the Company all of the Company's property or
Confidential Information in tangible form that Consultant may have in
Consultant's possession or control.

3.      OWNERSHIP

        (a)    Consultant agrees that all copyrightable material, notes,
records, drawings, designs, inventions, improvements, developments, discoveries
and trade secrets (collectively, "Inventions") conceived, made or discovered by
Consultant, solely or in collaboration with others, during the period of this
Agreement that Consultant may undertake, investigate or experiment with, or
which Consultant may become associated with in work, investigation or
experimentation, in performing the Services hereunder, are the sole property of
the Company. In addition, any Inventions which constitute copyrightable subject
matter shall be considered "works made for hire" as that term is defined in the
United States Copyright Act. Consultant further agrees to assign (or cause to be
assigned) and does hereby assign fully to the Company all such Inventions and
any copyrights, patents, mask work rights or other intellectual property rights
relating thereto.

        (b)    Consultant agrees to assist Company, or its designee, at the
Company's expense, in every proper way to secure the Company's rights in the
Inventions and any copyrights, patents, mask work rights or other intellectual
property rights relating thereto in any and all countries, including the
disclosure to the Company of all pertinent information and data with respect
thereto, the execution of all applications, specifications, oaths, assignments
and all other instruments which the Company shall deem necessary in order to
apply for and obtain such rights and in order to assign and convey to the
Company, its successors, assigns and nominees the sole and exclusive rights,
title and interest in and to such Inventions, and any copyrights, patents, mask
work rights or other intellectual property rights relating thereto. Consultant
further agrees that Consultant's obligation to execute or cause to

                                      -2-
<PAGE>

be executed, when it is in Consultant's power to do so, any such instrument or
papers shall continue after the termination of this Agreement.

        (c)    Consultant agrees that if in the course of performing the
Services, Consultant incorporates into any Invention developed hereunder any
invention, improvement, development, concept, discovery or other proprietary
information owned by Consultant or in which Consultant has an interest, the
Company is hereby granted and shall have a nonexclusive, royalty-free,
perpetual, irrevocable, worldwide license to make, have made, modify, use and
sell such item as part of or in connection with such Invention.

        (d)    Consultant agrees that if the Company is unable because of
Consultant's unavailability, dissolution, mental or physical incapacity, or for
any other reason, to secure Consultant's signature to apply for or to pursue any
application for any United States or foreign patents or mask work or copyright
registrations covering the Inventions assigned to the Company above, then
Consultant hereby irrevocably designates and appoints the Company and its duly
authorized officers and agents as Consultant's agent and attorney in fact, to
act for and in Consultant's behalf and stead to execute and file any such
applications and to do all other lawfully permitted acts to further the
prosecution and issuance of patents, copyright and mask work registrations
thereon with the same legal force and effect as if executed by Consultant.

4.      REPORTS

        Consultant agrees that it will from time to time during the term of this
Agreement or any extension thereof keep the Company advised as to Consultant's
progress in performing the Services hereunder and that Consultant will, as
requested by the Company, prepare written reports with respect thereto. It is
understood that the time required in the preparation of such written reports
shall be considered time devoted to the performance of Consultant's Services.

5.      CONFLICTING OBLIGATIONS

        (a)    Consultant certifies that Consultant has no outstanding agreement
or obligation that is in conflict with any of the provisions of this Agreement,
or that would preclude Consultant from complying with the provisions hereof, and
further certifies that Consultant will not enter into any such conflicting
Agreement during the term of this Agreement. Consultant further certifies that
Consultant's act of entering into this Agreement, purchasing stock of the
Company, and serving as a consultant to the Company do not violate any
outstanding agreement, obligation, or employment arrangement of Consultant's.
Consultant further agrees that he will not perform any services for the Company
which would conflict with any agreement or obligation of Consultant or which
would cause or result in any other person or entity having any ownership
interest in any intellectual property of the Company's.

        (b)    In view of Consultant's access to the Company's trade secrets and
proprietary know-how, Consultant further agrees that Consultant will not,
without Company's prior written consent, design identical or substantially
similar designs as those developed under this Agreement for any

                                      -3-
<PAGE>

third party during the term of this Agreement and for a period of twelve (12)
months after the termination of this Agreement.

6.      TERM AND TERMINATION

        (a)    This Agreement will commence on the date first written above and
will continue until final completion of the Services or termination as provided
below.

        (b)    Either party may terminate this Agreement upon giving thirty (30)
days prior written notice thereof to the other party. Any such notice shall be
addressed to the address shown below or such other address as either party may
notify the other of and shall be deemed given upon delivery if personally
delivered, or forty-eight (48) hours after deposited in the United States mail,
postage prepaid, registered or certified mail, return receipt requested. The
Company may terminate this Agreement immediately and without prior notice if
Consultant refuses to or is unable to perform the Services or is in breach of
any material provision of this Agreement.

        (c)    Upon such termination all rights and duties of the parties toward
each other shall cease except:

               (i)    that the Company shall be obliged to pay, within thirty
(30) days of the effective date of termination, all amounts owing to Consultant
for unpaid Services and related expenses, if any, in accordance with the
provisions of Section 1 (Services and Compensation) hereof; and

               (ii)   Sections 2 (Confidentiality), 3 (Ownership) and 8
(Independent Contractors) shall survive termination of this Agreement.

7.      ASSIGNMENT

        Neither this Agreement nor any right hereunder may be assigned by any
party hereto, except that the Company may assign this Agreement in connection
with (1) a merger or consolidation of the Company, (2) a sale or assignment of
substantially all its assets, or (3) any other transaction which results in
another entity or person owning substantially all of the assets of the Company;
provided that the entity or person receiving or succeeding to the assets of the
Company assumes the Company's obligations.

8.      INDEPENDENT CONTRACTOR

        Nothing in this Agreement shall in any way be construed to constitute
Consultant as an agent, employee or representative of the Company, but
Consultant shall perform the Services hereunder as an independent contractor.
Consultant agrees to furnish (or reimburse the Company for) all tools and
materials necessary to accomplish this contract, and shall incur all expenses
associated with performance, except as expressly provided on Exhibit A of this
Agreement. Consultant acknowledges and agrees that Consultant is obligated to
report as income all compensation received by Consultant pursuant to this
Agreement, and Consultant agrees to and acknowledges the obligation to pay all
self-employment and other taxes thereon. Consultant further agrees to indemnify
the

                                      -4-
<PAGE>

Company and hold it harmless to the extent of any obligation imposed on Company
(i) to pay any withholding taxes or similar items; or (ii) resulting from
Consultant's being determined not to be an independent contractor.

9.      ARBITRATION AND EQUITABLE RELIEF

        (a)    Except as provided in Section 9(b) below, the Company and
Consultant agree that any dispute or controversy arising out of or relating to
any interpretation, construction, performance or breach of this Agreement, shall
be settled by arbitration to be held in Santa Clara County, California, in
accordance with the rules then in effect of the American Arbitration
Association. The arbitrator may grant injunctions or other relief in such
dispute or controversy. The decision of the arbitrator shall be final,
conclusive and binding on the parties to the arbitration. Judgment may be
entered on the arbitrator's decision in any court of competent jurisdiction. The
Company and Consultant shall each pay one-half of the costs and expenses of such
arbitration, and each shall separately pay its respective counsel fees and
expenses.

        (b)    Consultant agrees that it would be impossible or inadequate to
measure and calculate the Company's damages from any breach of the covenants set
forth in Sections 2 or 3 herein. Accordingly, Consultant agrees that if
Consultant breaches Sections 2 or 3, the Company will have available, in
addition to any other right or remedy available, the right to obtain from any
court of competent jurisdiction an injunction restraining such breach or
threatened breach and specific performance of any such provision. Consultant
further agrees that no bond or other security shall be required in obtaining
such equitable relief and Consultant hereby consents to the issuances of such
injunction and to the ordering of such specific performance.

10.     GOVERNING LAW

        This Agreement shall be governed by the laws of the State of California.

                                      -5-
<PAGE>

11.     ENTIRE AGREEMENT

        This Agreement is the entire agreement of the parties and supersedes any
prior agreements between them with respect to the subject matter hereof.

        IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of the day and year first above written.

CONSULTANT:                             AMPHORA DISCOVERY CORP.

/s/ James L. Knighton                   By: /s/ Martin Haslanger
--------------------------------            -----------------------------------
James L. Knighton

                                        Title: President & CEO
                                               --------------------------------

Address: 153 Terrance Drive             Address:
         -----------------------
         San Francisco, CA 94127
         -----------------------

         -----------------------

                                      -6-
<PAGE>

                                    EXHIBIT A

                            SERVICES AND COMPENSATION

        1.     Contact. Consultant's principal Company contact:

               Name:  _______________________________

               Title: _______________________________

        2.     Services. Consultant will provide advisory services to the
Company from time to time as reasonably requested by the Company's Chief
Executive Officer or Board of Directors.

        3.     Compensation.

               (a)    Consultant shall not be entitled to any cash compensation
for services rendered hereunder. The Company shall reimburse Consultant for all
reasonable travel and living expenses incurred by Consultant in performing
Services pursuant to this Agreement, provided Consultant receives prior written
consent from an authorized agent of the Company prior to incurring such
expenses.

               (b)    Consultant shall submit all statements for expenses in a
form prescribed by the Company and such statement shall be approved by the
contact person listed above or by his or her supervisor.

               (c)    Subject to the approval of the Board of Directors, the
Company shall issue to Consultant, pursuant to the Restricted Stock Purchase
Agreement attached hereto as Annex A (the "RSPA") 450,000 shares of the
Company's Common Stock at a price per share of $0.10. The RSPA shall be in full
satisfaction of any previous obligations of the Company to issue options, stock
appreciation rights, membership units, equity, stock, or other securities or to
pay royalties, bonuses, or other compensation to Consultant.

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