Disable-Specific-Dates-In-jQuery-UI.js

jQuery(document).ready(function($){
  var unavailableDates = ["9-3-2012", "14-3-2012", "15-3-2012"];

  function unavailable(date) {
      dmy = date.getDate() + "-" + (date.getMonth() + 1) + "-" + date.getFullYear();
      if ($.inArray(dmy, unavailableDates) == -1) {
          return [true, ""];
      } else {
          return [false, "", "Unavailable"];
      }
  }

  $(function() {
      $("#iDate").datepicker({
          dateFormat: 'dd MM yy',
          beforeShowDay: unavailable
      });

  });
});