Document:

Exhibit 10.19
                                     ALLONGE

THIS ALLONGE to the Promissory Note (the "Note") in the original principal sum
of $__________, dated ______________, 200__, made by Marc Pharmaceuticals, Inc.,
payable to __________________hereby amends the Note to provide that its maturity
date shall be extended from ________________, 200_ to _____________, 200_.

All other terms of the Note shall remain in full force and effect.

This Allonge shall be attached to the Note and is hereby made a part thereof.

This Allonge may be signed in counterparts, both of which taken together shall
constitute one and the same instrument.

Dated: ____________________________

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

Acknowledged and agreed:

MARC PHARMACEUTICALS, INC.

By:____________________________
Name: Robert M. Cohen
Title:   President

                                       60Exhibit 10.20

--------------------------------------------------------------------------------------
 Original Maturity     Extended Maturity     Original Amount of    Revised Amount of
        Date                  Date                  Loan             Loan, if any
--------------------------------------------------------------------------------------

      8/17/02               9/30/05               $350,000             $125,000
--------------------------------------------------------------------------------------
      11/7/04               9/30/05               $25,000
--------------------------------------------------------------------------------------
       2/3/05               9/30/05               $25,000
--------------------------------------------------------------------------------------
       2/7/05               9/30/05               $25,000
--------------------------------------------------------------------------------------
       2/9/05               9/30/05               $25,000
--------------------------------------------------------------------------------------
      3/23/05               9/30/05               $75,000
--------------------------------------------------------------------------------------
      3/23/05               9/30/05               $25,000
--------------------------------------------------------------------------------------
      3/22/05                                     $25,000              $2,814.21
   Principal Paid                                                    Interest Only
      10/14/04
--------------------------------------------------------------------------------------
      5/28/05                                     $50,000
--------------------------------------------------------------------------------------
      5/31/05                                     $10,000
--------------------------------------------------------------------------------------
      6/10/05                                     $15,000
--------------------------------------------------------------------------------------
      6/25/05                                     $500,000             $300,000
--------------------------------------------------------------------------------------

                                       61Exhibit
10.29

June 11, 2004

Campbell &
Company, Inc.
 Court Tower Building
 210 West Pennsylvania
Avenue
 Suite 770
 Towson, MD 21204

Attn: Ms.
Terry Becks

Re:    Management Agreement Renewals

Dear Ms. Becks:

We are writing with respect to
your management agreements concerning the commodity pools to which
reference is made below (the "Management
Agreements"). We are extending the term of the Management
Agreements through June 30, 2005 and all other provisions of the
Management Agreements will remain
unchanged.

		
	• 	Smith Barney Potomac Futures
Fund L.P.

		
	• 	Smith Barney Diversified
Futures Fund L.P.

		
	• 	Smith Barney
Diversified Futures Fund L.P. II

		
	• 	Smith
Barney Global Markets Futures Fund
L.P.

		
	• 	Smith Barney Global Diversified
Futures Fund L.P.

		
	• 	Salomon Smith Barney
Diversified 2000 Futures Fund
L.P.

		
	• 	Smith Barney Campbell Financial,
Metals and Energy Fund plc

		
	• 	AURORA
2001

		
	• 	AURORA III

Please
acknowledge receipt of this modification by signing one copy of this
letter and returning it to the attention of Mr. Daniel McAuliffe at the
address above or fax to 212-793-1986. If you have any questions I can
be reached at 212-559-5043.

Very truly yours,

CITIGROUP MANAGED FUTURES LLC

		
	By:
 	/s/ Daniel R. McAuliffe, Jr.
 Daniel R.
McAuliffe, Jr.
 Chief Financial Officer and Director

CAMPBELL & COMPANY, INC.

By: /s/ Theresa
Becks

Print Name: Theresa Becks

DRMcA/sr

Exhibit 10.29

June
11, 2004

Willowbridge Associates Inc.
 101
Morgan Lane - Suite 180
 Plainsboro, N.J. 08536

Attention: Mr. Steve R. Crane

Re:    Management Agreement Renewals

Dear Mr.
Crane:

We are writing with respect to your management
agreements concerning the commodity pools to which reference is made
below (the "Management Agreements"). We are
extending the term of the Management Agreements through June 30, 2005
and all other provisions of the Management Agreements will remain
unchanged.

		
	• 	Salomon Smith Barney Orion
Futures Fund L.P.

		
	• 	Smith Barney
Diversified Futures Fund L.P.

		
	• 	Smith
Barney Diversified Futures Fund L.P.
II

		
	• 	Citigroup Diversified Futures Fund
L.P.

		
	• 	Alera 100

Please
acknowledge receipt of this modification by signing one copy of this
letter and returning it to the attention of Mr. Daniel McAuliffe at the
address above or fax to 212-793-1986. If you have any questions I can
be reached at 212-559-5043.

Very truly yours,

CITIGROUP MANAGED FUTURES LLC

		
	By: 	/s/ Daniel R. McAuliffe, Jr.

Daniel R. McAuliffe, Jr.
 Chief Financial Officer and Director

		
	By: 	/s/ Steve R. Crane

Print
Name: Steve R. Crane

DRMcA/sr

Exhibit 10.29

June 11,
2004

Capital Fund Management
 6 Boulevard
Haussmann
 75009 Paris
 France

Attention:
Jean-Pierre Aguilar, CFO

			
		Re: 	Management Agreement
Renewals

Dear Mr. Aguilar:

We are
writing with respect to your management agreements concerning the
commodity pools to which reference is made below (the
"Management Agreements"). We are extending
the term of the Management Agreements through June 30, 2005 and all
other provisions of the Management Agreements will remain
unchanged.

			
		• 	Smith
Barney Diversified Futures Fund L.P.
II

			
		• 	Citigroup
Diversified Futures Fund
L.P.

			
		• 	Alera 100

Please acknowledge receipt of this modification by signing one copy
of this letter and returning it to the attention of Mr. Daniel
McAuliffe at the address above or fax to 212-793-1986. If you have any
questions I can be reached at 212-559-5043.

Very truly
yours,

CITIGROUP MANAGED FUTURES LLC

		
	By: 	/s/ Daniel R. McAuliffe, Jr.

Daniel R. McAuliffe, Jr.
 Chief Financial Officer and Director

		
	By: 	/s/ Jacques Sauliere

Print
Name: Jacques Sauliere

DRMcA/sr

Exhibit 10.29

June
11, 2004

Graham Capital Management, L.P.

Rock Ledge Financial Center
 40 Highland Avenue
 Rowayton, CT
06853

Attention: Mr. Paul Sedlack

Re:    Management Agreement Renewals

Dear Mr.
Sedlack:

We are writing with respect to your management
agreements concerning the commodity pools to which reference is made
below (the "Management Agreements"). We are
extending the term of the Management Agreements through June 30, 2005
and all other provisions of the Management Agreements will remain
unchanged.

		
	• 	Smith Barney Global Markets
Futures Fund

		
	• 	Smith Barney Diversified
Futures Fund L.P. II

		
	• 	Smith Barney
Diversified Futures Fund L.P.

		
	• 	Salomon
Smith Barney Diversified 2000 Futures Fund L.P.

		
	• 	AURORA
2001

		
	• 	AURORA
III

		
	• 	Salomon Smith Barney Fairfield
Futures Fund L.P.

		
	• 	Citigroup Diversified
Futures Fund L.P.

		
	• 	Citigroup Fairfield
Futures Fund L.P. II

		
	• 	Alera
100

		
	• 	Alera Portfolio Spc

Please acknowledge receipt of this modification by signing
one copy of this letter and returning it to the attention of Mr. Daniel
McAuliffe at the address above or fax to 212-793-1986. If you have any
questions I can be reached at 212-559-5043.

Very truly
yours,

CITIGROUP MANAGED FUTURES LLC

		
	By: 	/s/ Daniel R. McAuliffe, Jr.

Daniel R. McAuliffe, Jr.
 Chief Financial Officer and Director

		
	By: 	/s/ Paul Sedlack

Print
Name: Paul Sedlack

DRMcA/srExhibit
10.36

June 11, 2004

John W. Henry & Company,
Inc.
 301 Yamato Road, Suite 2200
 Boca Raton, Fl.
33431-4931

Attn: Mr. Ken Webster

			
		Re:  	Management Agreement
Renewals

Dear Mr. Webster:

We are
writing with respect to your management agreements concerning the
commodity pools to which reference is made below (the
"Management Agreements"). We are extending
the term of the Management Agreements through June 30, 2005 and all
other provisions of the Management Agreements will remain
unchanged.

			
		• 	Shearson
Mid-West Futures
Fund

			
		• 	Shearson Lehman
Select Advisors Futures Fund
L.P.

			
		• 	Smith Barney
Mid-West Futures Fund L.P.
II

			
		• 	Smith Barney
Westport Futures Fund L.P.

			
		• 	Hutton Investors Futures
Fund, L.P. II (HIFF
II)

			
		• 	AURORA
2001

			
		• 	AURORA
III

			
		• 	Citigroup
Diversified Futures Fund
L.P.

			
		• 	Salomon Smith
Barney Diversified 2000 Futures Fund
L.P.

			
		• 	Alera
100

			
		• 	JWH Strategic
Allocation Master Fund LLC

Page 2
 June 11, 2004

Please acknowledge receipt of this modification by signing
one copy of this letter and returning it to the attention of Mr. Daniel
McAuliffe at the address above or fax to 212-793-1986. If you have any
questions I can be reached at 212-559-5043.

Very truly
yours,

CITIGROUP MANAGED FUTURES LLC

		
	By: 	/s/ Daniel R. McAuliffe, Jr.

Daniel R. McAuliffe, Jr.
 Chief Financial Officer and Director

JOHN W. HENRY & COMPANY, INC.

		
	By: 	/s/ Ken Webster

Print Name:
Ken Webster

DRMcA/sr

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