Exhibit 10.64

Credit Agreement

Borrower:   DVS Korea Co., Ltd.
                           196 Kumkok Dong, Boon Dan Gu, Sung Nam City, Kyunggi
Province
                           Mr. Byung Hyun Lee, CEO

Lender:   Woori Bank (Previously Hanvit Bank)

Total Limit on the Agreement:	14,465,800,000
Korean Won

This Credit Agreement dated May 2, 2001, is made and executed
between DVS Korea Co., Ltd.("Borrower") and Hanvit Bank
("Lender") on the following terms and conditions.

Borrower understands and agrees that in granting, renewing,
or extending any loan, Lender is relying upon Borrower's representation,
warranties, and agreements as set forth in this Agreement; the granting,
renewing, or extending of any loan by lender at times shall be subject to
Lender's sole judgment and discretion; and all such loans shall be and remain
subject of the terms and conditions of this Agreement.

Limit



|Types                                        | Sublimit                  | Interest                                                                                                                        
|-------------------------------------------- | ------------------------- | --------------------------------------------------------------------------------------------------------------------------------
|Overdraft Revolving Line of Credit           | 480,000,000 Korean Won    | 12 % Fixed                                                                                                                      
|International Trade Revolving Line of
Credit | 10,000,000,000 Korean Won | Variable interest: may change day to day based
on the rates established for standard trade credit by Korean Banking
Association.
|At Sight Letter of Credit                    | 3,000,000  USD            | Variable interest: may change day to day based
on the rates established for standard trade credit by Korean Banking
Association.

- Sum of all the borrowings shall not exceed the Total Limit.
- Borrower may freely issue Letter of Credit, borrow, and/or pay within the
sublimit established above.

Term

This Agreement shall be effective as of May 2, 2001, and
shall continue in full force and effect until May 15, 2002.

Interest Rate

The annual interest rate for this Agreement is computed on a 365 day
basis; that is, by applying the ratio of the annual interest rate over a year of
365 days, multiplied by the outstanding principal balance, multiplied by the
actual number of days the principal balance is outstanding.

Late Charge and Interest After Default

Upon Borrower's failure to pay all amounts declared due
pursuant to this section, including failure to pay accrued interest, monthly
payment, outstanding principal balance on final maturity date, and excess draw
on the account, Lender will adjust annual interest rate to 19% and applied to
past due, if any.

Description Collateral

- Installment Savings Deposit of 1,530,000,000 Korean Won.

In addition, Borrower shall provide to Lender a blank draft.
Lender may submit to the Borrower's bank the draft for full payment of unpaid
principal and accrued interest when Borrower fails to make payment in accordance
with the terms of this Agreement.

Furthermore, Borrower grant Lender a security interest in all
property at any time shipped under, or pursuant to, or in connection with the
Letter of Credit or anyway related thereto, or to the drafts drawn thereunder,
whether or not Borrower receives the documents covering such property or release
the same to Lender on trust receipt and also in and to all shipping documents,
warehouse receipts, policies or certificates of insurance and other documents or
liability to Borrower at any time existing under or with reference to the Letter
of Credit of this agreement .

Cessation of Advances

If Lender has made any commitment to make any Loan to Borrower under this
Agreement, Lender has right to reduce the Loan limit or shall have no obligation
make Loan Advances or to disburse Loan proceeds, if: (i) there occurs a material
adverse change in financing community; or (ii) there occurs a material adverse
change in Borrower's financial condition, in the financial condition of any
Guarantor, or in the value of any Collateral securing any Loan.  If Lender
decides to reduce the Loan limit and Borrower's outstanding loan exceeds such
new limit, excess is due immediately upon demand of Lender.

Advances

Advances or Request of Letter of Credit under this Agreement shall be
requested pursuant to the forms and procedures prescribed by Lender.

Payment

Borrower shall pay the outstanding principal plus all accrued interest of
each advance or borrowings in accordance with the terms prescribed on the
Application for Commercial Letter of Credit, Trust Receipts or other trade
related documents.  However, Lender has the sole right to extend the terms if
necessary.

As to drafts or acceptances under or purporting to be under
the Letter of Credit, which are payable in foreign currency, Borrower may pay
Lender in Korean Won at the current rate of exchange in Korea for cable transfer
to the place of payment in the currency of the draft.

Fees

Borrower shall pay Lender, on demand, commission and all charges and
expenses paid or incurred, earned by Lender in connection wherewith, and
interest where chargeable.



Change in Terms Agreement

Hanvit Bank has made a Credit evidenced by the Agreement dated May 2,
2001, with Total Limit of  14,465,800,000 Korean Won.

Date of Change:

May 15, 2002

Description of changes in Terms

This Agreement changes Total Limit to 17,580,000,000
Korean won.  Detail of sublimits is as follows:

|Types                                        | Before                    | After                    
|-------------------------------------------- | ------------------------- | -------------------------
|Overdraft Revolving Line of Credit           | 480,000,000 Korean Won    | 480,000,000 Korean Won   
|International Trade Revolving Line of
Credit | 10,000,000,000 Korean Won | 17,000,000,000 Korean Won
|At Sight Letter of Credit                    | 3,000,000  USD            | 3,000,000  USD           





Change in Terms Agreement

Hanvit Bank has made a Change in Terms Agreement
evidenced by the Agreement dated May 15, 2002, with Total Lending Limit of
17,580,000,000 Korean Won.

Date of Change:

August 29, 2002

Expiration Date

May 15, 2003

Description of changes in Terms

This Agreement changes Total Lending Limit to
23,119,000,000 Korean won.  Detail of sublimits is as follows:

|Types                     | Before                    | After                    
|------------------------- | ------------------------- | -------------------------
|Overdraft                 | 480,000,000 Korean Won    | 480,000,000 Korean Won   
|Trade Finance             | 17,000,000,000 Korean Won | 19,000,000,000 Korean Won
|At Sight Letter of Credit | 3,000,000  USD            | 3,000,000  USD           

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