Document:

<PAGE>   1
                                                                    EXHIBIT 10.7

                                 PROMISSORY NOTE

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    Principal         Loan Date          Maturity       Loan No       Call         Collateral          Officer        Initials
<S>                   <C>                <C>            <C>          <C>           <C>                <C>             <C>
   $446,423.00                                          1220023                       0080              0603
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References in the shaded area are for Lender's use only and do not limit the applicability of this document to any particular
loan or item.
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Borrower:     Four Line, Inc. (TIN: 33-0271768)                          LENDER:      Frontier Bank, FSB
              3883 Ruffin Road                                                        Main Branch
              San Diego, CA 92123                                                     1345 Deer Valley Drive
                                                                                      P.O. Box 981180
                                                                                      Park City, UT 84635-1180
                                                                                      (436) 815-2285
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</TABLE>

PRINCIPAL AMOUNT: $446,423.00   INITIAL RATE: 8.500%   DATE OF NOTE: 12/14/98

PROMISE TO PAY. Four Line, Inc. ("Borrower") promises to pay to Frontier Bank,
FSB ("Lender"), or order, in lawful money of the United States of America, the
principal amount of Four Hundred Forty Six Thousand Four Hundred Twenty Three &
00/100 ($446,423.00), together with interest on the unpaid principal balance
from December 15, 1998, until paid in full.

PAYMENT. Subject to any payment changes resulting from changes in the Index,
Borrower will pay this loan in 180 payments of $4,397.80 each payment.
Borrower's first payment is due January 15, 1999, and all subsequent payments
are due on the same day of each month after that. Borrower's final payment due
December 15, 2013 and will be for all principal and all accrued interest not yet
paid. Payments include principal and interest. Unless otherwise agreed or
required by applicable law, payments will be applied first to any unpaid
collection costs and any late charges, then to any unpaid interest, and any
remaining amount to principal. Interest on this Note is computed on a 355/365
simple interest basis; that is, by applying the ratio of the annual interest
rate over the number of days in a year, multiplied by the outstanding principal
balance, multiplied by the actual number of days the principal balance is
outstanding. Borrower will pay Lender at Lender's address shown above or at such
other place as Lender may designate in writing.

VARIABLE INTEREST RATE: The interest rate on this Note is subject to change from
time to time based on changes in an independent index which is the 1 Year
Treasury Bill (the "Index"). The Index is not necessarily the lowest rate
charged by Lender on its loans. If the Index becomes unavailable during the term
of this loan, Lender may designate a substitute index after notice to Borrower.
Lender will tell Borrower the current index rate upon Borrower's request. The
interest rate change will not occur more often than each 60 months. Borrower
understands that Lender may make loans based on other rates as well. The Index
currently is 4.480% per annum. The interest rate to be applied to the unpaid
principal balance of this Note will be at a rate of 4.000 percentage points over
the rounded index, resulting in an initial rate of 8.500%. NOTICE: Under no
circumstances will the interest rate on this Note be more than the maximum rate
allowed by applicable law. Unless waived by Lender, any increase in the interest
rate will increase the amount of Borrower's payments.

PREPAYMENT; MINIMUM INTEREST CHARGE. In any event, even upon full prepayment of
this Note, Borrower understands that Lender is entitled to a minimum interest
charge of $1.00. Borrower understands that because of the minimum interest
charge, the effective interest rate on this loan may be more than the nominal
interest rate stated above. Other than Borrower's obligation to pay any minimum
interest charge, Borrower may pay without penalty all or a portion of the amount
owed earlier than it is due. Early payments will not, unless agreed to by Lender
in writing, relieve Borrower of Borrower's obligation to continue to make
payments under the payment schedule. Rather, early payments will reduce the
principal balance due and may result in Borrower's making fewer payments.

LATE CHARGE. If a payment is 10 days or more late, Borrower will be charged
5.000% of the regularly scheduled payment or $15.00, whichever is greater.

DEFAULT. Each of the following shall constitute an Event of Default under this
Note:

         Payment Default. Borrower fails to make any payment when due under this
         Note.

         Other Defaults. Borrower fails to comply with or to perform any other
         term, obligation, covenant, or condition contained in this Note or in
         of the Related Documents or to comply with or to perform any term,
         obligation, covenant or condition contained in any other agreement
         between Lender and Borrower.

<PAGE>   2

01-18-2000                       Promissory Note                             2
                                  (Continued)

         Environmental Default. Failure of any party to comply with or perform
         when due any term, obligation, covenant or condition contained in any
         environmental agreement executed in connection with any loan.

         False Statements. Any warranty, representation or statement made or
         furnished to Lender by Borrower or on Borrower's behalf under this Note
         or the related documents is false or misleading in any material
         respect, either now or at the time made or furnished or becomes false
         or misleading at any time thereafter.

         Insolvency. The dissolution or termination of Borrower's existence as a
         going business, the insolvency of Borrower, the appointment of a
         receiver for any part of Borrower's property, any assignment for the
         benefit of creditors, any type of creditor workout, or the commencement
         of any proceeding under any bankruptcy or insolvency laws by or against
         Borrower.

         Creditor or Forfeiture Proceedings. Commencement of foreclosure or
         forfeiture proceedings, whether by judicial proceeding, self-help,
         repossession or a any other method, by any creditor of Borrower or by
         any governmental agency against the Collateral or any other collateral
         securing the loan. This includes a garnishment of any of Borrower's
         accounts, including deposit accounts, with Lender. However, this Event
         of Default shall not apply if there is a good faith dispute by Borrower
         as to the validity or reasonableness of the claim which is the basis of
         the creditor or forfeiture proceeding and if Borrower gives Lender
         written notice of the creditor or forfeiture proceeding and deposits
         with Lender monies or a surety bond for the creditor or forfeiture
         proceeding in an amount determined by Lender, in its sole discretion,
         as being an adequate reserve of bond or the dispute.

         Events Affecting Guarantor. Any of the preceding events occurs with
         respect to any Guarantor of any of the Indebtedness or any Guarantor
         dies or becomes incompetent, or revokes or disputes the validity of, or
         liability under, any Guaranty of the Indebtedness. In the event of a
         death, Lender, at its option, may, but shall not be required to, permit
         the Guarantor's estate to assume unconditionally the obligations
         arising under the guaranty in a manner satisfactory to Lender, and in
         doing so, cure any Event of Default.

         Change in Ownership. Any change in ownership of twenty-five percent
         (25%) or more of the common stock of Borrower.

         Adverse Change. A material adverse change occurs in Borrower's
         financial condition, or Lender believes the prospect of payment or
         performance of this Note be impaired.

         Insecurity. Lender in good faith believes itself as secure.

         Cure Provisions. If any default, other than a default in payment, is
         curable and if Borrower has not been given a notice of a breach of the
         same provision of this Note within the preceding twelve (12) months, if
         may be cured (and no event of default will have occurred) if Borrower,
         after receiving written notice from Lender demanding cure of such
         default: (a) cure the default within ten (10) days; or (b) if the cure
         requires more than ten (10) days, immediately initiate steps which
         Lender deems in Lender's sole discretion to be sufficient to cure the
         default and thereafter continue and complete all reasonable and
         necessary steps sufficient to produce compliance as soon as reasonably
         practical.

LENDER'S RIGHTS. Upon default, Lender may declare the entire unpaid principal
balance on this Note and all accrued unpaid interest immediately due, without
notice, and then Borrower will pay that amount. Upon default, including failure
to pay upon final maturity, Lender, at its option, may also, if permitted under
applicable law, increase the variable interest rate on this Note to 8.000
percentage points over the index. The interest rate will not exceed the maximum
permitted by applicable law.

ATTORNEY'S FEES; EXPENSES. Lender may hire or pay someone else to help collect
the loan if Borrower does not pay. Borrower also will pay Lender that amount.
This includes, subject to any limits under applicable law, Lender's reasonable
attorneys' fees and Lender's legal expenses, whether or not there is a lawsuit,
including without limitation all reasonable attorneys' fees and legal expenses
for bankruptcy proceedings (including efforts to modify or vacate any automatic
stay or injunction), and appeals. If not prohibited by applicable law, Borrower
also will pay any court costs, in addition to all other sums provided by law.

GOVERNING LAW. This Note has been delivered to Lender and accepted by Lender in
the State of Utah. If there is a lawsuit, Borrower agrees upon Lender's request
to submit to the jurisdiction of the courts of Summit County, State of Utah.
This Note will be governed by and construed and enforced in accordance with the
laws of the State of Utah.

DISHONORED ITEM FEE. Borrower will pay a fee to Lender of $25.00 if Borrower
makes a payment on Borrower's loan and the check or preauthorized charge with
which Borrower pays is later dishonored.

RIGHT OF SETOFF. Borrower grants to Lender a contractual security interest in,
and hereby assigns, conveys, delivers, pledges and transfers to Lender, all
Borrower's right, title and interest in and to all Borrower's accounts with
Lender (whether checking, savings, or some other account). This includes all
accounts Borrower holds jointly with someone else and all accounts Borrower may
open in the future. However, this does not include any IRA or Keogh accounts, or
any trust accounts for which the grant of a security interest

<PAGE>   3

01-18-2000                       Promissory Note                             3
                                  (Continued)

would be prohibited by law. Borrower authorizes Lender, to the extent permitted
by applicable law, to charge or set off all sums owing on the indebtedness
against any and all such accounts.

COLLATERAL. Borrower acknowledges this Note is secured by, in addition to any
other collateral, a Deed of Trust dated December 15, 1998, to a trustee in favor
of Lender on real property located in Salt Lake County, State of Utah, all the
terms and conditions of which are hereby incorporated and made a part of this
Note; and an Assignment of all rents to Lender on real property located in Salt
Lake County, State of Utah, all the terms and conditions of which are hereby
incorporated and made a part of this Note.

ARBITRATION. Borrower and Lender agree that all disputes, claims and
controversies between them whether individual, joint, or class in nature,
arising from this Note or otherwise, including without limitation contract and
tort disputes, shall be arbitrated pursuant to the Rules of the American
Arbitration Association in effect at the time the claim is filed, upon request
of either party. No act to take or dispose of any collateral insuring this Note
shall constitute a waiver of the arbitration agreement or be prohibited by this
arbitration agreement. This includes, without limitation, obtaining injunctive
relief or a temporary restraining order involving a power of sale under any deed
of trust or mortgage; obtaining a writ of attachment or imposition of a
receiver, or exercising any rights relating to personal property, including
taking or disposing of such property with or without judicial process pursuant
to Article 9 of the Uniform Commercial Code. Any disputes, claims or
controversies concerning the lawfulness and reasonableness of any act or
exercise of any right concerning any collateral securing this Note, including
any claim to rescind, reform, or otherwise modify any agreement relating to the
collateral securing this Note, shall also be arbitrated, provided however that
no arbitrator shall have the right or the power to enjoin or restraining any act
of any party. Judgment upon any award rendered by any arbitrator may be entered
in any court having jurisdiction. Nothing in this Note shall preclude any party
from seeking equitable relief from a court of competent jurisdiction. The
statute of limitations, estoppel, waiver, laches, and similar doctrines which
would otherwise be applicable in an action brought by a party shall be
applicable in any arbitration proceeding, and the commencement of an arbitration
proceeding shall be deemed the commencement of an action for these purposes. The
Federal Arbitration Act shall apply to the construction, interpretation, and
enforcement of an action for these purposes. The Federal Arbitration Act shall
apply to the construction, interpretation, and enforcement of this arbitration
provision.

GENERAL PROVISIONS. Lender may delay or forgo enforcing any of its rights or
remedies under this Note without losing them. Borrower and any other person who
signs, guarantees or endorses this Note, to the extent allowed by law, waive
presentment, demand for payment, and notice of dishonor. Upon any change in the
terms of this Note and unless otherwise expressly stated in writing, no party
who signs this Note, whether as maker, guarantor, accommodation maker or
endorser, shall be released from liability. All such parties agree that Lender
may renew or extend (repeatedly and for any length of time) this loan, or
release any party or guarantor or collateral; or impair, fail to realize upon or
perfect Lender's security interest in the collateral; and take any other action
deemed necessary by Lender without the consent of or notice to anyone. All such
parties also agree that Lender may modify this loan without the consent of or
motive to anyone other than the party with whom the modification is made.

PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS. BORROWER AGREES TO
THE TERMS OF THE NOTE. BORROWER ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THIS
PROMISSORY NOTE.

BORROWER:

FOUR LINE, INC.

By: /s/ Gaylen Jorgensen
    ---------------------------------
    Gaylen Jorgensen,
    Vice President of Four Line, Inc.

================================================================================

<PAGE>   4

                               COMMERCIAL GUARANTY

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    Principal         Loan Date       Maturity      Loan No     Call    Collateral       Account        Officer    Initials
<S>                   <C>             <C>           <C>         <C>     <C>              <C>            <C>        <C>
   $446,750.00         12-15-98       12-15-13      1220023                                               0603
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References in the shaded area are for Lender's use only and do not limit the applicability of this document to any particular
loan or item.
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Borrower:         Four Line Inc. (TIN: 33-0271758)                     Lender:    Frontier Bank, FSB
                  3883 Ruffin Road                                                Main Branch
                  San Diego, CA 82123                                             1245 Deer Valley Drive
                                                                                  P.O. Box 961180
                                                                                  Park City, UT 84096-1180

Guarantor:        David D. Altomare (SSN: ###-##-####)
                  3883 Ruffin Road
                  San Diego, CA 92123
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</TABLE>

AMOUNT OF GUARANTY. This is a guaranty of payment of 100.000% of the Note,
including without limitation the principal Note amount of Four Hundred Forty Six
Thousand Seven Hundred Fifty and 00/100 Dollars ($446,750.00).

GUARANTY. For good and valuable consideration, David D. Altomare ("Guarantor")
absolutely and unconditionally guarantees and promises to pay to Frontier Bank,
FSB ("Lender") or its order, on demand, in legal tender of the United States of
America, 100.000% of the Indebtedness (as that term is defined below) of Four
Line Inc. ("Borrower") to Lender on the terms and conditions set forth in this
Guaranty. Guarantor agrees that Lender, in its sole discretion, may determine
which portion of Borrower's indebtedness to Lender is covered by Guarantor's
percentage guaranty.

MAXIMUM LIABILITY. The maximum liability of Guarantor under this Guaranty shall
not exceed at any one time 100.000% of the amount of the Indebtedness described
herein, plus all costs and expenses of (A) enforcement of this Guaranty and (B)
collection and sale of any collateral securing this Guaranty.

The above limitation on liability is not a restriction on the amount of the
Indebtedness of Borrower to Lender either in the aggregate or at any one time.
If Lender presently holds one or more guaranties, or hereafter receives
additional guaranties from Guarantor, Lender's rights under all guaranties shall
be cumulative. This Guaranty shall not (unless specifically provided below to
the contrary) affect or invalidate any such other guaranties. Guarantor's
liability will be Guarantor's aggregate liability under the terms of this
Guaranty and any such other unterminated guaranties.

INDEBTEDNESS GUARANTEED. The Indebtedness guaranteed by this Guaranty includes
the Note, including (a) all principal, (b) all interest, (c) all late charges,
(d) all loan fees and loan charges, and (e) all collection costs and expenses
relating to the Note or to any collateral for the

<PAGE>   5

Note. Collection costs and expenses include without limitation all of Lender's
reasonable attorneys' fees.

DURATION OF GUARANTY. This Guaranty will take effect when received by Lender
without the necessity of any acceptance by Lender, or any notice to Guarantor or
to Borrower, and will continue full force until all Indebtedness shall have been
fully and finally paid and satisfied and all of Guarantor's other obligations
under this Guaranty shall have been performed in full. Release of any other
guarantor or termination of any other guaranty of the Indebtedness shall not
affect the liability of Guarantor under this Guaranty. A revocation Lender
receives from any one or more Guarantors shall not affect the liability of any
remaining Guarantors under this Guaranty.

GUARANTOR'S AUTHORIZATION TO LENDER. Guarantor authorizes Lender, without notice
or demand and without lessening Guarantor's liability under this Guaranty, from
time to time: (A) to make one or more additional secured or unsecured loans to
Borrower, to lease equipment or other goods to Borrower, or otherwise to extend
additional credit to Borrower; (B) to alter, compromise, renew, extend,
accelerate, or otherwise change one or more times the time for payment or other
terms of the Indebtedness or any part of the Indebtedness, including increases
and decreases of the rate of interest on the Indebtedness; extensions may be
repeated and may be for longer than the original loan term; (C) to take and hold
security for the payment of this Guaranty or the Indebtedness, and exchange,
enforce, waive, subordinate, fail or decide not to perfect, and release any such
security, with or without the substitution of new collateral; (D) to release,
substitute, agree not to sue, or deal with any one or more of Borrower's
sureties, endorsers, or other guarantors on any terms or in any manner Lender
may choose; (E) to determine how, when and what application of payments and
credits shall be made on the Indebtedness; (F) to apply such security and direct
the order or manner of sale thereof, including without limitation, any
nonjudicial sale permitted by the terms of the controlling security agreement or
deed of trust, as Lender in its discretion may determine; (G) to sell, transfer,
assign or grant participations in all or any part of the Indebtedness; and (H)
to assign to transfer this Guaranty in whole or in part.

GUARANTOR'S REPRESENTATIONS AND WARRANTIES. Guarantor represents and warrants to
Lender that (A) no representations or agreements of any kind have been made to
(B) this Guaranty is executed at Borrower's request and not at the request of
Lender; (C) Guarantor has full power, right and authority to enter into this
Guaranty; (D) the provisions of this Guaranty do not conflict with or result in
a default under any agreement or other instrument binding upon Guarantor and do
not result in a violation of any law, regulation, court decree or order
applicable to Guarantor; (E) Guarantor has not and will not, without the prior
written consent of Lender, sell, lease, assign, encumber, hypothecate, transfer,
or otherwise dispose of all or substantially all of Guarantor's assets, or any
interest therein; (F) upon Lender's request, Guarantor will provide to Lender
financial and credit information in form acceptable to Lender, and all such
financial information which currently has been, and all future financial
information which will be provided to Lender is and will be true and correct in
all material respects and fairly present Guarantor's financial condition as of
the dates the financial information is provided; (G) no material adverse change
has occurred in Guarantor's financial condition since the date of the

<PAGE>   6

most recent financial statements provided to Lender and no event has occurred
which may materially adversely affect Guarantor's financial condition; (H) no
litigation, claim, investigation, administrative proceeding or similar action
(including those for unpaid taxes) against Guarantor is pending or threatened;
(I) Lender has made no representation to Guarantor as to the creditworthiness of
Borrower; and (J) Guarantor has established adequate means of obtaining from
Borrower on a continuing basis information regarding Borrower's financial
condition. Guarantor agrees to keep adequately informed from such means of any
facts, events, or circumstances which might in any way affect Guarantor's risks
under this Guaranty, and Guarantor further agrees that, absent a request for
information, Lender shall have no obligation to disclose to Guarantor any
information or documents acquired by Lender in the course of its relationship
with Borrower.

GUARANTOR'S FINANCIAL STATEMENTS. Guarantor agrees to furnish Lender with the
following:

         Annual Statements. As soon as available, but in no event later than
         ninety (90) days after the end of each fiscal year, Guarantor's balance
         sheet and income statement for the year ended, prepared by Guarantor.

         Tax Returns. As soon as available, but in no event later than sixty
         (60) days after the applicable filing date for the tax reporting period
         ended, prepared by tax professional satisfactory to Lender.

         All financial reports required to be provided under this Guaranty shall
         be prepared in accordance with GAAP, applied on a consistent basis, and
         certified by Guarantor as being true and correct.

GUARANTOR'S WAIVERS. Except as prohibited by applicable law, Guarantor waives
any right to require Lender (A) to continue lending money or to extend other
credit to Borrower; (B) to make any presentment, protest, demand, or notice of
any kind, including notice of any nonpayment of the indebtedness or of any
nonpayment related to any collateral, or notice of any action or nonaction on
the part of Borrower, Lender, any surety, endorser, or other guarantor in
connection with the indebtedness or in connection with the creation of new or
additional loans or obligations; (C) to resort for payment or to proceed
directly or at once against any person, including Borrower or any other
guarantor; (D) to proceed directly against or exhaust any collateral held by
Lender from Borrower, any other guarantor, or any other person; (E) to give
notice of the terms, time, and place of any public or private sale of personal
property security held by Lender from Borrower or to comply with any other
applicable provisions of the Uniform Commercial Code; (F) to pursue any other
remedy within Lender's power; or (G) to commit any act or omission of any kind,
or at any time, with respect to any matter whatsoever.

Guarantor also waives any and all rights or defenses arising by reason of (1)
any election of remedies by Lender which destroys or otherwise adversely effects
Guarantor's subrogation rights or Guarantor's rights to proceed against Borrower
for reimbursement, including without limitation, any loss of rights Guarantor
may suffer by reason of any law limiting, qualifying, or discharging the
indebtedness; (2) any disability or other defense of Borrower, of any other

<PAGE>   7

guarantor, or of any other person, or by reason of the cessation of Borrower's
liability from any cause whatsoever, other than payment in full in legal tender,
of the indebtedness; (3) any right to claim discharge of the indebtedness on the
basis of unjustified impairment of any Collateral for the indebtedness; or (4)
any statute of limitations, if at any time any action or suit brought by Lender
against Guarantor is commenced there is outstanding indebtedness of Borrower to
Lender which is not barred by any applicable statute of limitations. Guarantor
acknowledges and agrees that Guarantor's obligations under this Guaranty shall
apply to and continue with respect to any amount paid to Lender which is
subsequently recovered from Lender for any reason whatsoever (including without
limitation as a result of bankruptcy, insolvency or fraudulent conveyance
proceeding), notwithstanding the fact that all or a part of the indebtedness may
have been previously paid, or this Guaranty may have been terminated, or both.

Guarantor also waives and agrees not to assert or take advantage of (1) any
right (including the right, if any, under Utah's one-action rule as set forth in
Utah Code Annotated, 1953, Section 78-37-1) to require Lender to proceed against
or exhaust any security held by Lender at any time or to pursue any other remedy
in Lender's power before proceeding against Guarantor; (2) the release or
surrender of any security held for the payments of the Indebtedness; or (3) any
defense based upon an election of remedies (including, if available, an election
of remedies to proceed by non-judicial foreclosure) by Lender which destroys or
otherwise impairs the subrogation rights of Guarantor or the right of Guarantor
to proceed against Borrower for reimbursement, or both.

Guarantor further waives and agrees not to assert or claim at any time any
deductions to the amount guaranteed under this Guaranty for any claim of
set-off, counterclaim, counter demand, recoupment or similar right, whether such
claim, demand or right may be asserted by the Borrower, the Guarantor, or both.

         Guarantor's Understanding With Respect To Waivers. Guarantor warrants
         and agrees that each of the waivers set forth above is made with
         Guarantor's full knowledge of its significance and consequences and
         that, under the circumstances, the waivers are reasonable and not
         contrary to public policy or law. If any such waiver is determined to
         be contrary to any applicable law or public policy, such waiver shall
         be effective only to the extent permitted by law or public policy.

         Subordination of Borrower's Debts to Guarantor. Guarantor agrees that
         the Indebtedness of Borrower to Lender, whether now existing or
         hereafter created, shall be superior to any claim that Guarantor may
         now have or hereafter acquire against Borrower, whether or not Borrower
         becomes insolvent. Guarantor hereby expressly subordinates any claim
         Guarantor may have against Borrower, upon any account whatsoever, to
         any claim that Lender may now or hereafter have against Borrower. In
         the event of insolvency and consequent liquidation of the assets of
         Borrower, through bankruptcy, by an assignment for the benefit of
         creditors, by voluntary liquidation, or otherwise, the assets of
         Borrower applicable to the payment of the claims of both Lender and
         Guarantor shall be paid to Lender and shall be first applied by Lender
         to the Indebtedness of Borrower to Lender. Guarantor does hereby assign
         to Lender all claims which it may have or acquire against Borrower or
         against any assignee or trustee in bankruptcy of Borrower, provided
         however, that such assignment shall be effective only for the purpose
         of assuring to

<PAGE>   8

         Lender full payment in legal tender of the indebtedness. If Lender so
         requests, any notes or credit agreements now or hereafter evidencing
         any debts or obligations of Borrower to Guarantor shall be marked with
         a legend that the same are subject to this Guaranty and shall be
         delivered to Lender. Guarantor agrees, and Lender is hereby authorized,
         in the name of Guarantor, from time to time to execute and file
         financing statements and continuation statements and to execute such
         other documents and to take such other actions as Lender deems
         necessary or appropriate to perfect, preserve, and enforce the rights
         under this Guaranty.

         Miscellaneous Provisions. The following miscellaneous provisions are a
         part of this Guaranty.

                  Amendments. This Guaranty, together with any Related
                  Documents, constitutes the entire understanding and agreement
                  of the parties as to the matters set forth in this Guaranty.
                  No alteration of or amendment to this Guaranty shall be
                  effective unless given in writing and signed by the party or
                  parties sought to be charged or bound by the alteration or
                  amendment.

                  Arbitration. Borrower and Guarantor and Lender agree that all
                  disputes, claims and controversies between them whether
                  individual, joint, or class in nature, arising from this
                  Guaranty or otherwise, including without limitation contract
                  and tort disputes, shall be arbitrated pursuant to the Rules
                  of the American Arbitration Association in effect at the time
                  the claim is filed, upon request of either party. No act to
                  take or dispose of any collateral shall constitute a waiver of
                  this arbitration agreement or be prohibited by this
                  arbitration agreement. This includes, without limitation,
                  obtaining injunctive relief or a temporary restraining order,
                  invoking a power of sale under any deed of trust or mortgage;
                  obtaining a writ of attachment or imposition of a receiver; or
                  exercising any rights relating to personal property, including
                  taking or disposing of such property with or without judicial
                  process pursuant to Article 9 of the Uniform Commercial Code.
                  Any disputes, claims, or controversies concerning the
                  lawfulness or reasonableness of any act, or exercise of any
                  right, concerning any Collateral, including any claim to
                  rescind, reform, or otherwise modify any agreement relating to
                  the Collateral, shall also be arbitrated, provided however
                  that no arbitrator shall have the right or the power to enjoin
                  or restrain any act of any party. Judgment upon any award
                  rendered by any arbitrator may be entered in any court having
                  jurisdiction. Nothing in this Guaranty shall preclude any
                  party from seeking equitable relief from a court of competent
                  jurisdiction. The statute of limitations, estoppel, waiver,
                  laches, and similar doctrines which would otherwise be
                  applicable in an action brought by a party shall be applicable
                  in any arbitration proceeding, and the commencement of an
                  arbitration proceeding shall be deemed the commencement of an
                  action for these purposes. The Federal Arbitration Act shall
                  apply to the construction, interpretation, and enforcement of
                  this arbitration provision.

                  Attorneys' Fees; Expenses. Guarantor agrees to pay upon demand
                  all of Lender's costs and expenses, including Lender's
                  reasonable attorneys' fees and Lender's

<PAGE>   9

                  legal expenses, incurred in connection with the enforcement of
                  this Guaranty. Lender may hire or pay someone else to help
                  enforce this Guaranty, and Guarantor shall pay the costs and
                  expenses of such enforcement. Costs and expenses include
                  Lender's reasonable attorneys' fees and legal expenses whether
                  or not Lender's salaried employee and whether or not there is
                  a lawsuit, including reasonable attorneys' fees and legal
                  expenses for bankruptcy proceedings (including efforts to
                  modify or vacate any automatic stay or injunction), appeals,
                  and any anticipated post-judgment collection services.
                  Guarantor also shall pay all court costs and such additional
                  fees as may be directed by the court.

                  Caption Headings. Caption headings in this Guaranty are for
                  convenience purposes only and are not to be used to interpret
                  or define the provisions of this Guaranty.

                  Governing Law. This Guaranty has been delivered to Lender and
                  accepted by Lender in the State of Utah. If there is a
                  lawsuit, Guarantor agrees upon Lender's request to submit to
                  the jurisdiction of the courts of Summit County, State of
                  Utah. This Guaranty will be governed by and construed and
                  enforced in accordance with the laws of the State of Utah.

                  Integration. Guarantor further agrees that Guarantor has read
                  and fully understands the terms of this Guaranty; Guarantor
                  has had the opportunity to be advised by Guarantor's attorney
                  with respect to this Guaranty; the Guaranty fully reflects
                  Guarantor's intentions and parol evidence is not required to
                  interpret the terms of this Guaranty. Guarantor hereby
                  indemnifies and holds Lender harmless from all losses, claims,
                  damages, and costs (including Lender's attorneys' fees)
                  suffered or incurred by Lender as a result of any breach by
                  Guarantor of the warranties, representations and agreements of
                  this paragraph.

                  Interpretation. In all cases where there is more than one
                  Borrower or Guarantor, then all words used in this Guaranty in
                  the singular shall be deemed to have been used in the plural
                  where the context and construction so require; and where there
                  is more than one Borrower named in this Guaranty or when this
                  Guaranty is executed by more than one Guarantor, the words
                  "Borrower" and "Guarantor" respectively shall mean all and any
                  one or more of them. The words "Guarantor," "Borrower," and
                  "Lender" include the heirs, successors, assigns, and
                  transferees of each of them. If a court finds that any
                  provision of this Guaranty is not valid or should not be
                  enforced, that fact by itself will not mean that the rest of
                  this Guaranty will not be valid or enforced. Therefore, a
                  court will enforce the rest of the provisions of the Guaranty
                  even if a provision of this Guaranty may be found to be
                  invalid or unenforceable. If any one or more of Borrower or
                  Guarantor are corporations, partnerships, limited liability
                  companies, or similar entities, it is not necessary for Lender
                  to inquire into the powers of Borrower or Guarantor or of the
                  officers, directors, partners, managers, or other agents
                  acting or purporting to act on their behalf, and any Loan
                  indebtedness made or created in reliance upon the professed
                  exercise of such powers shall be guaranteed under this
                  Guaranty.

<PAGE>   10

                  Notices. Unless otherwise provided by applicable law, any
                  notice required to be given under this Guaranty or required by
                  law shall be given in writing, and shall be effective when
                  actually delivered in accordance with the law or with this
                  Guaranty, when actually received by telefacsimile (unless
                  otherwise required by law), when deposited with a nationally
                  recognized overnight courier, or, if mailed, when deposited in
                  the United States mail, as first class certified or registered
                  mail postage prepaid, directed to the addresses shown near the
                  beginning of this Guaranty. Any party may change its address
                  for notices under this Guaranty by giving formal written
                  notice to the other parties, specifying that the purpose of
                  the notice is to change the party's address. For notice
                  purposes, Guarantor agrees to keep Lender informed at all
                  times of Guarantor's current address. Unless otherwise
                  provided by applicable law, if there is more than one
                  Guarantor, any notice given by Lender to any Guarantor is
                  deemed to be notice given to all Guarantors.

                  No Waiver by Lender. Lender shall not be deemed to have waived
                  any rights under this Guaranty unless such waiver is given in
                  writing and signed by Lender. No delay or omission on the part
                  of Lender in exercising any right shall operate as a waiver of
                  such right or any other right. A waiver by Lender of a
                  provision of this Guaranty shall not prejudice or constitute a
                  waiver of Lender's right otherwise to demand strict compliance
                  with that provision or any other provision of this Guaranty.
                  No prior waiver by Lender, nor any course of dealing between
                  Lender and Guarantor, shall constitute a waiver of any of
                  Lender's rights or of any of Guarantor's obligations as to any
                  future transactions. Whenever the consent of Lender is
                  required under this Guaranty, the granting of such consent by
                  Lender in any instance shall not constitute continuing consent
                  to subsequent instances where such consent is required and in
                  all cases such consent may be granted or withheld in the sole
                  discretion of Lender.

                  Waive Jury. Lender and Guarantor hereby waive the right to any
                  jury trial in any action, proceeding, or counterclaim brought
                  by either Lender or Borrower against the other.

         Definitions. The following capitalized words and terms shall have the
         following meanings when used in this Guaranty. Unless specifically
         stated to the contrary, all references to dollar amounts shall mean
         amounts in lawful money of the United States of America. Words and
         terms used in the singular shall include the plural, and the plural
         shall include the singular, as the context may require. Words and terms
         not otherwise defined in this Guaranty shall have the meanings
         attributed to such terms in the Uniform Commercial Code:

                  Borrower. The word "Borrower" means Four Line Inc., and all
                  other persons and entities signing the Note in whatever
                  capacity.

                  GAAP. The word "GAAP" means generally accepted accounting
                  principles.

<PAGE>   11

                  Guarantor. The word "Guarantor" means each and every person or
                  entity signing this Guaranty, including without limitation
                  David D. Altomare.

                  Guaranty. The word "Guaranty" means the guaranty from
                  Guarantor to Lender, including without limitation a guaranty
                  of all or part of the Note.

                  Indebtedness. The word "Indebtedness" means Borrower's
                  indebtedness to Lender as more particularly described in the
                  Indebtedness Guaranteed paragraph of this Guaranty.

                  Lender. The word "Lender" means Frontier Bank, FSB, its
                  successors and assigns.

                  Note. The word "Note" means the promissory note dated December
                  15, 1998, in the original principal amount of $446,750.00 from
                  Borrower to Lender, together with all renewals of, extensions
                  of, modifications of, refinancings of, consolidations of, and
                  substitutions for the promissory note or agreement. The
                  maturity date of this Guaranty is December 15, 2013.

                  Related Documents. The words "Related Documents" mean all
                  promissory notes, credit agreements, loan agreements,
                  environmental agreements, guaranties, security agreements,
                  mortgages, deeds of trust, security deeds, collateral
                  mortgages, and all other instruments, agreements and
                  documents, whether now or hereafter existing, executed in
                  connection with the indebtedness.

GUARANTOR ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS COMMERCIAL
GUARANTY AND GUARANTOR AGREES TO ITS TERMS. THIS COMMERCIAL GUARANTY IS DATED
12/15/98.

GUARANTOR:

x /s/ DAVID D. ALTOMARE
 -----------------------------------
  David D. Altomare<PAGE>   1
                                                                    EXHIBIT 10.8

                                 PROMISSORY NOTE

<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------------------------
    PRINCIPAL       LOAN DATE      MATURITY       LOAN NO.     CALL    COLLATERAL    ACCOUNT    OFFICER   INITIALS
<S>                 <C>           <C>            <C>           <C>     <C>           <C>        <C>      <C>
  $519,128,000      04-03-1998    04-10-2003     04-0019-27     154        1E                     KGF
--------------------------------------------------------------------------------------------------------------------
References in the shaded area are for Lender's use only and do not limit the applicability of this document to
any particular loan or item.
--------------------------------------------------------------------------------------------------------------------

Borrower:         FIVE LINE, INC.   Lender:                            BARNES BANKING COMPANY
                  DBA UTAH INDOOR SOCCER                               33 SOUTH MAIN STREET
                  CENTER (TIN: 87-0525805)                             KAYSVILLE, UT 81037
                  2250 SOUTH 850 WEST
                  WOODS CROSS, UT 81087

--------------------------------------------------------------------------------------------------------------------
Principal Amount: $519,128.00                   Initial Rate: 10.500%                 Date of Note: April 3, 1998
</TABLE>

PROMISE TO PAY. FIVE LINE, INC. DBA UTAH INDOOR SOCCER CENTER ("Borrower")
promises to pay to BARNES BANKING COMPANY ("Lender"), or order, In lawful money
of the United States of America, the principal amount of Five Hundred Nineteen
Thousand One Hundred Twenty Eight & 00/100 Dollars ($519,128.00), together with
interest on the unpaid principal balance from April 3, 1998, until paid in full.
The Interest rate will not increase above 18.000%.

PAYMENT. Subject to any payment changes resulting from changes in the Index,
Borrower will pay this loan on demand, or if no demand is made, in 59 regular
payments of $5,752.96 each and one irregular last payment estimated at
$431,887.56. Borrower's first payment is due May 10, 1998, and all subsequent
payments are due on the same day of each month after that. Borrower's final
payment due April 10, 2003, will be for all principal and all accrued interest
not yet paid. Payments include principal and interest. Interest on this Note is
computed on a 365/365 simple interest basis; that is, by applying the ratio of
the annual interest rate over the number of days in a year, multiplied by the
outstanding principal balance, multiplied by the actual number of days the
principal balance is outstanding. Borrower will pay Lender at Lender's address
shown above or at such other place as Lender may designate in writing. Unless
otherwise agreed or required by applicable law, payments will be applied first
to any unpaid collection costs and any late charges, then to any unpaid
interest, and any remaining amount to principal.

VARIABLE INTEREST RATE. The interest rate on this Note is subject to change from
time to time based on changes in an independent index which is the THE NEW YORK
PRIME RATE ADVERTISED IN THE WALL STREET JOURNAL (the "Index"). The Index is not
necessarily the lowest rate charged by Lender on its loans. If the Index becomes
unavailable during the term of this loan, Lender may designate a substitute
index after notice to Borrower. Lender will tell Borrower the current Index rate
upon Borrower's request. Borrower understands that Lender may make loans based
on other rates as well. The interest rate change will not occur more often than
each FIRST DAY OF THE MONTH. The Index currently is 8.500% per annum. The
Interest rate to be applied to the unpaid principal balance of this Note will be
at a rate of 2.000 percentage points over the Index, adjusted if necessary for
the minimum and maximum rate limitations described below, resulting in an
Initial rate of 10.500% per annum. Notwithstanding any other provision of this
Note, the variable Interest rate or rates provided for in this Note will be
subject to the following minimum and maximum rates. NOTICE: Under no
circumstances will the interest rate on this Note be less than 5.000% per annum
or more than the lesser of 18.000% per annum or the maximum rate allowed by
applicable law. Unless waived by Lender, any increase in the interest rate will
increase the amount of Borrower's final payment.

PREPAYMENT. Borrower agrees that all loan fees and other prepaid finance charges
are earned fully as of the date of the loan and will not be subject to refund
upon early payment (whether voluntary or as a result of default), except as
otherwise required by law. Except for the foregoing, Borrower may pay without
penalty all or a portion of the amount owed earlier than it is due. Early
payments will not, unless agreed to by Lender in writing, relieve Borrower of
Borrower's obligation to continue to make payments under the payment schedule.
Rather, they will reduce the principal balance due and may result in Borrower
making fewer payments.

LATE CHARGE. If a payment is 10 days or more late, Borrower will be charged
5.000% of the unpaid portion of the regularly scheduled payment or $15.00,
whichever is greater.

<PAGE>   2
DEFAULT. Borrower will be in default if any of the following happens: (a)
Borrower fails to make any payment when due. (b) Borrower breaks any promise
Borrower has made to Lender, or Borrower fails to comply with or to perform when
due any other term, obligation, covenant, or condition contained in this Note or
any agreement related to this Note, or in any other agreement or loan Borrower
has with Lender. (c) Borrower defaults under any loan, extension of credit,
security agreement, purchase or sales agreement, or any other agreement, in
favor of any other creditor or person that may materially affect any of
Borrower's property or Borrower's ability to repay this Note or perform
Borrower's obligations under this Note or any of the Related Documents. (d) Any
representation or statement made or furnished to Lender by Borrower or on
Borrower's behalf is false or misleading in any material respect either now or
at the time made or furnished. (e) Borrower becomes insolvent, a receiver is
appointed for any part of Borrower's property, Borrower makes an assignment for
the benefit of creditors, or any proceeding is commenced either by Borrower or
against Borrower under any bankruptcy or insolvency laws. (f) Any creditor tries
to take any of Borrower's property on or in which Lender has a lien or security
interest. This includes a garnishment of any of Borrower's accounts with Lender.
(g) Any guarantor dies or any of the other events described in this default
section occurs with respect to any guarantor of this Note. (h) A material
adverse change occurs in Borrower's financial condition, or Lender believes the
prospect of payment or performance of the Indebtedness is impaired.

LENDER'S RIGHTS. Upon default, Lender may declare the entire unpaid principal
balance on this Note and all accrued unpaid interest immediately due, without
notice, and then Borrower will pay that amount. Lender may hire or pay someone
else to help collect this Note if Borrower does not pay. Borrower also will pay
Lender that amount. This includes, subject to any limits under applicable law,
Lender's reasonable attorneys' fees and Lender's legal expenses whether or not
there is a lawsuit, including reasonable attorneys' fees and legal expenses for
bankruptcy proceedings (including efforts to modify or vacate any automatic stay
or injunction), appeals, and any anticipated post-judgment collection services.
If not prohibited by applicable law, Borrower also will pay any court costs, in
addition to all other sums provided by law. This Note has been delivered to
Lender and accepted by Lender in the State of Utah. If there is a lawsuit,
Borrower agrees upon Lender's request to submit to the jurisdiction of the
courts of DAVIS County, the State of Utah. This Note shall be governed by and
construed in accordance with the laws of the State of Utah.

RIGHT OF SETOFF. Borrower grants to Lender a contractual security interest in,
and hereby assigns, conveys, delivers, pledges, and transfers to Lender all
Borrower's right, title and interest in and to. Borrower's accounts with Lender
(whether checking, savings, or some other account), including without limitation
all accounts held jointly with someone else and all accounts Borrower may open
in the future, excluding however all IRA and Keogh accounts, and all trust
accounts for which the grant of a security interest would be prohibited by law.
Borrower authorizes Lender, to the extent permitted by applicable law, to charge
or setoff all sums owing on this Note against any and all such accounts.

COLLATERAL. This Note is secured by A DEED OF TRUST IN THE AMOUNT OF $519,128.00
DATED APRIL 3, 1998, TO A TRUSTEE IN FAVOR OF LENDER ON REAL PROPERTY LOCATED IN
DAVIS COUNTY, STATE OF UTAH, ALL THE TERMS AND CONDITIONS OF WHICH ARE HEREBY
INCORPORATED AND MADE A PART OF THIS NOTE. PROPERTY IS LOCATED AT 2250 SOUTH 850
WEST, WOODS CROSS, UTAH 84087.

GENERAL PROVISIONS. This Note is payable on demand. The inclusion of specific
default provisions or rights of Lender shall not preclude Lender's right to
declare payment of this Note on its demand. Lender may delay or forgo enforcing
any of its rights or remedies under this Note without losing them. Borrower and
any other person who signs, guarantees or endorses this Note, to the extent
allowed by law, waive presentment, demand for payment, protest and notice of
dishonor. Upon any change in the terms of this Note, and unless otherwise
expressly stated in writing, no party who signs this Note, whether as maker,
guarantor, accommodation maker or endorser, shall be released from liability.
All such parties agree that Lender may renew or extend (repeatedly and for any
length of time) this loan, or release any party or guarantor or collateral; or
impair, fail to realize upon or perfect Lender's security interest in the
collateral; and take any other action deemed necessary by Lender without the
consent of or notice to anyone. All such parties also agree that Lender may
modify this loan without the consent of or notice to anyone other than the party
with whom the modification is made.

<PAGE>   3

PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS. BORROWER AGREES TO
THE TERMS OF THE NOTE AND ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THE NOTE.

BORROWER:

FIVE LINE, INC. DBA UTAH INDOOR SOCCER

BY:      /s/ GAYLEN JORGENSEN
   ----------------------------------------------
         GAYLEN JORGENSEN, PRESIDENT

<PAGE>   4

                               COMMERCIAL GUARANTY

<TABLE>
<CAPTION>
---------------------------------------------------------------------------------------------------------------
  PRINCIPAL      LOAN DATE     MATURITY      LOAN NO      CALL    COLLATERAL     ACCOUNT OFFICER     INITIALS
<S>             <C>           <C>            <C>          <C>     <C>            <C>                 <C>
                                                          154         1E               KGF
---------------------------------------------------------------------------------------------------------------
References in the shaded area are for Lender's use only and do not limit the
applicability of this document to any particular loan or item.
---------------------------------------------------------------------------------------------------------------

Borrower:         FIVE LINE, INC. DBA UTAH INDOOR                      Lender:  BARNES BANKING COMPANY
                  SOCCER CENTER (TIN: 87-0525805)                               33 SOUTH MAIN STREET
                  2250 SOUTH 850 WEST                                           KAYSVILLE, UT 84037
                  WOODS CROSS, UT 84087

Guarantor:        GAYLEN JORGENSEN
                  8961 SOUTH 2070 WEST
                  WEST JORDAN, UT 84088
</TABLE>

AMOUNT OF GUARANTY. This is a guaranty of payment of the Note, including without
limitation the principal Note amount of Five Hundred Nineteen Thousand One
Hundred Twenty Eight and 00/100 Dollars ($519,128.00).

GUARANTY. For good and valuable consideration, GAYLEN JORGENSEN ("Guarantor")
absolutely and unconditionally guarantees and promises to pay to BARNES BANKING
COMPANY ("Lender") or its order, on demand, in legal tender of the United States
of America, the indebtedness (as that term is defined below) of FIVE LINE, INC.
DBA UTAH INDOOR SOCCER CENTER ("Borrower") to Lender on the terms and conditions
set forth in this Guaranty.

DEFINITIONS. The following words shall have the following meanings when used in
this Guaranty:

         BORROWER. The word "Borrower" means FIVE LINE, INC. DBA UTAH INDOOR
         SOCCER CENTER.

         GUARANTOR. The word "Guarantor" means GAYLEN JORGENSEN.

         GUARANTY. The word "Guaranty" means this Guaranty made by Guarantor for
         the benefit of Lender dated April 3, 1998.

         INDEBTEDNESS. The word "Indebtedness" means the Note, including (a) all
         principal, (b) all interest, (c) all late charges, (d) all loan fees
         and loan charges, and (e) all collection costs and expenses relating to
         the Note or to any collateral for the Note. Collection costs and
         expenses include without limitation all of Lender's reasonable
         attorneys' fees and Lender's legal expenses, whether or not suit is
         instituted, and reasonable attorneys' fees and legal expenses for
         bankruptcy proceedings (including efforts to modify or vacate any
         automatic stay or injunction), appeals, and any anticipated
         post-judgment collection services.

         LENDER. The word "Lender" means BARNES BANKING COMPANY, its successors
         and assigns.

         NOTE. The word "Note" means the promissory note or credit agreement
         dated April 3, 1998, in the original principal amount of $519,128.00
         from Borrower to Lender, together with all renewals of, extensions of,
         modifications of, refinancings of, consolidations of, and substitutions
         for the promissory note or agreement.

         RELATED DOCUMENTS. The words "Related Documents" mean and include
         without limitation all promissory notes, credit agreements, loan
         agreements, environmental agreements, guaranties, security agreements,
         mortgages, deeds of trust, and all other instruments, agreements and
         documents, whether now or hereafter existing, executed in connection
         with the Indebtedness.

MAXIMUM LIABILITY. THE MAXIMUM LIABILITY OF GUARANTOR UNDER THIS GUARANTY SHALL
NOT EXCEED AT ANY ONE TIME THE AMOUNT OF THE INDEBTEDNESS DESCRIBED ABOVE, PLUS
ALL COSTS END EXPENSES OF (a) ENFORCEMENT OF THIS GUARANTY AND (b) COLLECTION
AND SALE OF ANY COLLATERAL SECURING THIS GUARANTY

<PAGE>   5

04-03-1998                      COMMERCIAL GUARANTY                     PAGE 2
LOAN NO. 04-00019-27                (CONTINUED)
--------------------------------------------------------------------------------

The above limitation on liability is not a restriction on the amount of the
Indebtedness of Borrower to Lender either in the aggregate or at any one time.
If Lender presently holds one or more guaranties, or hereafter receives
additional guaranties from Guarantor, the rights of Lender under all guaranties
shall be cumulative. This Guaranty shall not (unless specifically provided below
to the contrary) affect or invalidate any such other guaranties. The liability
of Guarantor will be the aggregate liability of Guarantor under the terms of
this Guaranty and any such other unterminated guaranties.

NATURE OF GUARANTY. Guarantor intends to guarantee at all times the performance
and prompt payment when due, whether at maturity or earlier by reason of
acceleration or otherwise, of all Indebtedness within the limits set forth in
the preceding section of this Guaranty.

DURATION OF GUARANTY. This Guaranty will take effect when received by Lender
without the necessity of any acceptance by Lender, or any notice to Guarantor or
to Borrower, and will continue in full force until all Indebtedness shall have
been fully and finally paid and satisfied and all other obligations of Guarantor
under this Guaranty shall have been performed in full. Release of any other
guarantor or termination of any other guaranty of the Indebtedness shall not
affect the liability of Guarantor under this Guaranty. A revocation received by
Lender from any one or more Guarantors shall not affect the liability of any
remaining Guarantors under this Guaranty.

GUARANTOR'S AUTHORIZATION TO LENDER. Guarantor authorizes Lender, without notice
or demand and without lessening Guarantor's liability under this Guaranty, from
time to time: (a) to make one or more additional secured or unsecured loans to
Borrower, to lease equipment or other goods to Borrower, or otherwise to extend
additional credit to Borrower; (b) to alter, compromise, renew, extend,
accelerate, or otherwise change one or more times the time for payment or other
terms of the Indebtedness or any part of the Indebtedness, including increases
and decreases of the rate of interest on the Indebtedness; extensions may be
repeated and may be for longer than the original loan term; (c) to take and hold
security for the payment of this Guaranty or the Indebtedness, and exchange
enforce, waive, subordinate, fail or decide not to perfect, and release any such
security, with or without the substitution of new collateral; (d) to release,
substitute, agree not to sue, or deal with any one or more of Borrower's
sureties, endorsers, or other guarantors on any terms or In any manner Lender
may choose; (e) to determine how, when and what application of payments and
credits shall be made on the Indebtedness; (f) to apply such security end direct
the order or manner of sale thereof, including without limitation, any
nonjudicial sale permitted by the terms of the controlling security agreement or
deed of trust, as Lender in its discretion may determine; (g) to sell, transfer,
assign, or grant participations in all or any part of the Indebtedness; and (h)
to assign or transfer this Guaranty in whole or in part.

GUARANTOR'S REPRESENTATIONS AND WARRANTIES. Guarantor represents and warrants to
Lender that (a) no representations or agreements of any kind have been made to
Guarantor which would limit or qualify in any way the terms of this Guaranty;
(b) this Guaranty is executed at Borrower's request and not at the request of
Lender; (c) Guarantor has full power, right and authority to enter into this
Guaranty; (d) the provisions of this Guaranty do not conflict with or result in
a default under any agreement or other instrument binding upon Guarantor and do
not result in a violation of any law, regulation, court decree or order
applicable to Guarantor; (e) Guarantor has not and will not, without the prior
written consent of Lender, sell, lease, assign, encumber, hypothecate, transfer,
or otherwise dispose of all or substantially all of Guarantor's assets, or any
interest therein; (f) upon Lender's request, Guarantor will provide to Lender
financial and credit information in form acceptable to Lender, and all such
financial information which currently has been, and all future financial
information which will be provided to Lender is and will be true and correct in
all material respects and fairly present the financial condition of Guarantor as
of the dates the financial information is provided; (g) no material adverse
change has occurred in Guaranty or when this Guaranty is executed by more than
one Guarantor, the words "Borrower" and "Guarantor" respectively shall mean all
and any one or more of them. The words "Guarantor," "Borrower," and "Lender"
include the heirs, successors, assigns, and transferees of each of them. Caption
headings in this Guaranty are for convenience purposes only and are not to be
used to interpret or define the provisions of this Guaranty. If a court of
competent jurisdiction finds any provision of this Guaranty to be invalid or
unenforceable as to any person or circumstance, such finding shall not render
that provision invalid or unenforceable as to any other persons or
circumstances, and all provisions of this Guaranty in all other respects shall
remain valid and enforceable. If any one or more of Borrower or Guarantor are
corporations or partnerships, it is not necessary for Lender to inquire into the
powers of Borrower or Guarantor or of the officers, directors, partners, or
agents acting or purporting to act on their behalf, and any

<PAGE>   6

04-03-1998                      COMMERCIAL GUARANTY                     PAGE 3
LOAN NO. 04-00019-27                (CONTINUED)
--------------------------------------------------------------------------------

Indebtedness made or created in reliance upon the professed exercise of such
powers shall be guaranteed under this Guaranty.

WAIVER. Lender shall not be deemed to have waived any rights under this Guaranty
unless such waiver is given in writing and signed by Lender. No delay or
omission on the part of Lender in exercising any right shall operate as a waiver
of such right or any other right. A waiver by Lender of a provision of this
Guaranty shall not prejudice or constitute a waiver of Lender's right otherwise
to demand strict compliance with that provision or any other provision of this
Guaranty. No prior waiver by Lender, nor any course of dealing between Lender
and Guarantor, shall constitute a waiver of any of Lender's rights or of any of
Guarantor's obligations as to any future transactions. Whenever the consent of
Lender is required under this Guaranty, the granting of such consent by Lender
in any instance shall not constitute continuing consent to subsequent instances
where such consent is required and in all cases such consent may be granted or
withheld in the sole discretion of Lender.

EACH UNDERSIGNED GUARANTOR ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS
GUARANTY AND AGREES TO ITS TERMS. IN ADDITION, EACH GUARANTOR UNDERSTANDS THAT
THIS GUARANTY IS EFFECTIVE UPON GUARANTOR'S EXECUTION AND DELIVERY OF THIS
GUARANTY TO LENDER AND THAT THE GUARANTY WILL CONTINUE UNTIL TERMINATED IN THE
MANNER SET FORTH IN THE SECTION TITLED "DURATION OF GUARANTY." NO FORMAL
ACCEPTANCE BY LENDER IS NECESSARY TO MAKE THIS GUARANTY EFFECTIVE. THIS GUARANTY
IS DATED APRIL 3, 1998.

GUARANTOR:

X   /s/ GAYLEN JORGENSEN
  ----------------------------------------
    GAYLEN JORGENSEN

================================================================================
LASER PRO, Reg. U.S. Pat. & T.M. Off., Ver 3.25 (c) CFI ProServices, Inc. All
rights reserved. [UT-E20 FIVE.LN]

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