Year 0001 not caught by minDate

Year 0001 not caught by minDate

Overall the code below works except that years, 0000 - 0099, do not trigger the minDate rule.  Could anyone point out what I am missing.

Thanks



jQuery Validation Plugin 1.9.0
jquery.ui.datepicker.validation 1.0.1
Jquery 1.7.1

  1. $(function () {
  2.             $("#date_from, #date_to").datepicker({
                    minDate: "-50y",
                    maxDate: "+50y",
                    onClose: function () {
                        $(this).valid();
                    }
                })
                
                $("#aspnetForm").validate({
                    rules: {
                        date_from: {
                            dpDate: true,
                            dpCompareDate: { notAfter: "#date_to" }
                        },
                        date_to: {
                            dpDate: true,
                            dpCompareDate: { notBefore: "#date_from" }
                        }
                    },
                    messages: {
                        date_from: {
                            dpCompareDate: "Please enter a date before the To Date."
                        },
                        date_to: {
                            dpCompareDate: "Please enter a date after the From Date."
                        }
                    }
  3.             })