SCHEDULE TO AMENDMENT TO DIRECTOR'S OPTION AGREEMENT February 13, 1997

                                                                   Exhibit 10.17

              SCHEDULE TO AMENDMENT TO DIRECTOR'S OPTION AGREEMENT
                                February 13, 1997

In addition to the Amendment to Director's  Option  Agreement dated February 13,
1997,  between the Company and Xxxxxxx Xxxxxxx (the "Amending  Agreement"),  the
Company on the same date entered into Amendment to Director's  Option Agreements
between the  Company  and each of E. Xxx Xxxxxxx and Xxxxx Xxxxx with  identical
terms to the Amending Agreement.