JOINT FILING AGREEMENT

                                                                    Exhibit 99.1


                             JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934,
the undersigned hereby agree to the joint filing of this Statement on Schedule
13D/A including any amendments thereto.

This Agreement may be executed in any number of counterparts, each of which
shall be deemed an original, but all of which shall constitute one and the same
instrument.

Dated:  November 30, 1999


                                    WEIS FAMILY HOLDINGS, L.P.,

                                          By: WEIS FAMILY HOLDINGS, L.L.C.,
                                                its General Partner

                                                By:   /s/ Xxxxx X. Xxxx
                                                      -------------------
                                                      Name: Xxxxx X. Xxxx
                                                      Title:  Manager


                                    WEIS FAMILY HOLDINGS, L.L.C.,

                                          By:   /s/ Xxxxx X. Xxxx
                                                -------------------
                                                Name: Xxxxx X. Xxxx
                                                Title:  Manager



                                    /s/ Xxxxx X. Xxxx
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                                    XXXXX X. XXXX



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                                    XXXXXXX X. XXXXXXXXX



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                                    /s/ Xxxxx Xxxx Xxxxxx
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                                    XXXXX XXXX XXXXXX



                                    /s/ Xxxx Xxxxxx
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                                    XXXX XXXXXX




                                    /s/ Xxxxx Xxxx Xxxxxx
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                                    XXXXX XXXX XXXXXX



                                    /s/ Xxxxx Xxxx Xxxxxxxxx
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                                    XXXXX XXXX XXXXXXXXX



                                    /s/ Xxxxxx X. Xxxxxxxxx
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                                    XXXXXX X. XXXXXXXXX