jQuery(document).ready(function () {
var minDate = new Date();
var maxDate = new Date();
var dd = maxDate.getDate() + 7;
maxDate.setDate(dd);
jQuery("#startDate").datepicker({
minDate : minDate,
maxDate : maxDate
});
});
===================================================
옵션 형태로 추가하는 경우
jQuery(document).ready(function () {
var minDate = new Date();
jQuery("#startDate").datepicker("option", "minDate", minDate);
});