Document:

Exhibit 4.1

                                 AMENDMENT NO. 1
                                       TO
                          CONSULTING SERVICES AGREEMENT

      THIS FIRST AMENDMENT TO CONSULTING SERVICES  AGREEMENT,  dated January 13,
2004 (the "First Amendment"),  is by and among Moshe Grauman (the "Consultant"),
and Dtomi, Inc., a Nevada corporation (the "Client").

                                    RECITALS

      A. The  Consultant  and the  Client  entered  into a  Consulting  Services
Agreement dated August 21, 2003, a copy of which is attached hereto as Exhibit A
(the  "Agreement"),  pursuant to which the Consultant  agreed to provide certain
consulting services to the Client.

      B.  Client and  Consultant  wish to amend  Section 4 of the  Agreement  to
provide for  additional  consideration  in exchange  for  additional  consulting
services.

                                    AGREEMENT

      NOW,  THEREFORE,  in  consideration  of  the  foregoing,  and  the  mutual
agreements, representations,  warranties and covenants contained herein, and for
other  good  and  valuable   consideration   the  receipt  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

A.    Section 4 of the Agreement shall be deleted in its entirety and shall read
      as follows:

"4.  Compensation.  Compensation  shall be for management  consulting  services,
identifying  potential customers for Dtomi,  assisting in writing business plans
and projections,  identifying  acquisition  candidates and identifying potential
board  of  directors  candidates.  As  compensation  for  management  consulting
services,  the Company  shall pay the  Consultant  600,000  Shares of the Common
Stock of Dtomi, Inc. (OTCBB: DTOI).

EXECUTED on the date first set forth above.

                                        CLIENT:

                                        DTOMI, INC.

                                        By:_____________________________________
                                           David M. Otto - Chairman of the Board

                                       7
<PAGE>

                                        CONSULTANT:

                                        MOSHE GRAUMAN

                                        ________________________________________

                                       8Exhibit 4.2

                                 AMENDMENT NO. 2
                                       TO
                          CONSULTING SERVICES AGREEMENT

      THIS SECOND AMENDMENT TO CONSULTING SERVICES AGREEMENT,  dated January 13,
2004 (the "Second  Amendment"),  is by and among Cambridge Securities Group (the
"Consultant"), and Dtomi, Inc., a Nevada corporation (the "Client").

                                    RECITALS

      A. The  Consultant  and the  Client  entered  into a  Consulting  Services
Agreement dated September 5, 2003, a copy of which is attached hereto as Exhibit
A (the "Agreement"),  pursuant to which the Consultant agreed to provide certain
consulting services to the Client.

      B.  Client  and  Consultant  wish  to  amend  Sections  2 and  6(a) of the
Agreement to extend the  duration of the  Agreement  and provide for  additional
consideration in exchange for additional consulting services.

                                    AGREEMENT

      NOW,  THEREFORE,  in  consideration  of  the  foregoing,  and  the  mutual
agreements, representations,  warranties and covenants contained herein, and for
other  good  and  valuable   consideration   the  receipt  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

A.    Section 2 of the Agreement shall be deleted in its entirety and shall read
      as follows:

"2. Consideration.

Client agrees to pay Consultant,  as his fee and as  consideration  for services
provided,  Six  Hundred  Thousand  (1,400,000)  shares  of  common  stock of the
Client."

B.    Section 6(a) of the  Agreement  shall be deleted in its entirety and shall
      read as follows:

"(a) Term.

This  Agreement  shall  become  effective  on the  date  appearing  next  to the
signatures  below and  terminate  Twenty  Four (24)  months  thereafter.  Unless
otherwise agreed upon in writing by Consultant and Client,  this Agreement shall
not automatically be renewed beyond its Term."

EXECUTED on the date first set forth above.

                                        CLIENT:

                                        DTOMI, INC.

                                        By:_____________________________________
                                           David M. Otto - Chairman of the Board

                                       9
<PAGE>

                                        CONSULTANT:

                                        CAMBRIDGE SECURITIES GROUP

                                        By:_____________________________________
                                           Name: Barbara Lee - Secretary

                                       10EXHIBIT 10.11

January 2, 2004

Joerg H. Klaube
Magnitude Information Systems, Inc.
401 State Route 24
Chester, New Jersey 07930

Dear Mr. Klaube:

Please be advised that  vFinance  Investments,  Inc. has  introduced a number of
prospective  investors  to your company  (Magnitude  Information  Systems)  with
regard to the current Unit offering being offered by your company.  Should these
investors  elect  to  invest  in  this  offering,  please  use  this  letter  as
confirmation  that our firm  will be  entitled  to a 10% cash and  common  stock
coverage  at a rate of one share for every ten shares of common  stock for which
the preferred stock offered in the Units is convertible  into (by way of example
a preferred investment  convertible into 100 shares of common would yield equity
coverage  of 10 common  shares to  vFinance).  vFinance  is solely  acting in an
introductory  capacity and any and all decisions  made by investors will be as a
result of  disclosures  provided by your company  directly to those  prospective
investors.

Please  also be advised  that  vFinance  is a member in good  standing  with the
National  Association of Securities  Dealers and is qualified  under federal law
and the laws of the states in which  prospective sales through our introductions
may be made.

If this meets with your approval please sign and return to vFinance Investments,
Inc. and we will provide a schedule of introductions.

                                   Sincerely,

AGREED TO AND ACCEPTED BY

/s/ Richard Galterio               /s/ Joerg H. Klaube
----------------------             -------------------------------
Richard Galterio                   Joerg H. Klaube
Managing Director                  Chief Financial OfficerEXHIBIT 10.12

                       Magnitude Information Systems, Inc.
                  401 State Route 24, Chester, New Jersey 07930

December 1, 2003

Mr. Alan R. Cohen 934 Closter Dock Rd.
Box #1279
Alpine, NJ 07620

Dear Mr. Cohen:

This letter shall serve as an engagement  agreement,  subject to approval of the
Board of Directors of Magnitude  Information  Systems,  Inc.,  pursuant to which
Magnitude  Information Systems,  Inc. (the '"Company") engages you ("Consultant"
or "you") to act on a non-exclusive basis, to render specified senior consulting
and sales representation services.

1. ENGAGEMENT: The Company hereby engages you, and you agree to devote your best
efforts to, perform the following services:

(a) to  assist  the  Company  in  identifying  opportunities  for the  sale  and
licensing of the Company's software products;

(b) to act on a non-exclusive basis as a general business consultant, including,
but not limited to identifying  institutional investors as a source of financing
as well as institutional  investors to invest in our stock in the public trading
market place.

2. TERM:  Your  engagement  hereunder  shall  commence  on the date first  above
written and shall continue through the next twelve months (the "Term").

3. COMPENSATION:  In consideration for his services hereunder,  Consultant shall
receive the following compensation:

(a) For  sales  and/or  licensing  of our  software  products  to  clients  (the
"Approved  Prospects")  that had been  referred  to us by you and -  subject  to
individual  approval by us - are included in a  periodically  updated  "Prospect
List",  where  such sales or  licensing  is  consummated  during the Term or any
renewal thereof or within twelve months after  termination of this Agreement,  a
cash  commission of five percent (5%) on the gross  proceeds to the Company from
such  transaction less freight charges,  taxes,  returns or allowances,  payable
within 30 days after receipt by the Company of such proceeds.

<PAGE>

                                                                          Page 2

(b) For his efforts with respect to his  services  under 1 (b) above  Consultant
shall be entitled to a flat fee remuneration of 45,000  restricted shares of the
common  stock of  Magnitude  Information  Systems,  Inc.,  such  shares to carry
piggy-back registration rights.

4.  ASSIGNMENT:  Consultant may assign any of his rights to compensation  earned
under  this  Agreement  provided  he  advises  the  Company  in  writing of such
assignment  and  furthermore  provided that any such assignees have the right to
receive such compensation in accordance with ail applicable  disclosure laws and
rules,  and subject to all  disclosure  regulations  requiring the disclosure of
such assignees' interest in any proposed transaction.

5. CONSULTANT REPRESENTATIONS:  Consultant agrees and represents: (a) that he is
an  independent  contractor  and not an employee of the Company,  that in acting
pursuant to this  engagement he will not legally bind or obligate the Company in
any  manner  whatsoever;  (b)  that  the  execution  and  delivery  of  and  his
performance  under,  this  Agreement  shall not violate or breech any agreement,
contract or obligation  currently in existence  between the  Consultant  and any
third party, and; (c) Consultant hereby acknowledges that he is not a registered
broker dealer with the National Association of Securities Dealers, Inc. ("NASD")
nor registered with any state securities  commission as a broker dealer and that
when  performing his duties under this  Agreement in connection  with any equity
financing  identified in Section 3(c) above,  Consultant's role and duties shall
be strictly limited to providing  introductions  of potential equity  investment
sources to the Company and shall not engage in any negotiations,  discussions or
sales effort with respect  thereto,  all of which activities shall be undertaken
by the authorized officers of the Company.

6.  CONFIDENTIALITY AND NON-COMPETE:  Except as contemplated by the terms hereof
or as required by applicable  law, you shall keep  confidential  during the Term
and for a period of twelve months thereafter all non-public information provided
to you by the Company,  and shall not  disclose  such  information  to any third
party, other than such of your partners, employees and advisors as you determine
to have a need to know and shall not use any such  information  for any  purpose
other than the purpose of  performing  your  services  for the Company as herein
contemplated.  In  addition,  Consultant  hereby  agrees not to compete,  either
directly or indirectly as a shareholder of another company,  with the Company in
the field of  Ergonomic  Productivity  Software or solicit any of the  Company's
employees to leave the Company during the Term and for a period of twelve months
thereafter.

7. SHORT POSITION: During the term of this engagement and for a period of twelve
months thereafter, Consultant will not maintain a net short position at any time
in the Company's  shares.  This net position  includes freely trading shares and
any preferred shares and warrants on an "as converted" basis.

8.  ASSISTANTS  TO  CONSULTANT:  Should the  Consultant,  in  Consultant's  sole
discretion,  deem it necessary to engage  assistants,  or third parties,  to aid
Consultant  in the  performance  of the  Services,  the parties  agree that such
assistants are engaged solely by the Consultant,  and that  Consultant  alone is
responsible for providing compensation for such assistants.

9.  AGREEMENT:  This Agreement may not be amended or modified  except in writing
and shall be deemed to have been made and  delivered in the State of New Jersey,
and this letter and the transactions contemplated hereby shall be governed as to
validity, interpretation, construction, effect, and in all other respects by the
internal laws of the State of New Jersey. Any legal action or proceeding arising
out of or relating to this Agreement and/or the transactions contemplated hereby
shall be  instituted  exclusively  in the  Superior  Court.  County of Morris or
County of Somerset,  State of New Jersey or in the United States  District Court
for the District of New Jersey,  and the parties hereby  expressly submit to the
jurisdiction of said courts.

10. COMPLETE AGREEMENT: This Agreement supercedes and replaces any and all prior
agreements between the parties.

<PAGE>

If the foregoing  correctly sets forth the understanding and agreements  between
the Company and you.  please so indicate in the space  provided for that purpose
below, whereupon this letter shall constitute a binding agreement as of the date
first above written.

Magnitude-Information Systems. Inc.

By: /s/ Steven D. Rudnik
    -----------------------------
    Steven D. Rudnik
    President and CEO

                                        Agreed to:
                                        CONSULTANT:

                                        /s/ Alan R. Cohen
                                        ----------------------------

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