jQuery datepicker

jQuery-datepicker.js

 $(function(){
    var dates = $('#ClaimClaimFrom, #ClaimClaimTo').datepicker({
      defaultDate: "-2w",
      dateFormat: 'yy-mm-dd',
      changeMonth: true,
      firstDay: 1,
      onSelect: function(selectedDate) {
        var option = this.id == "ClaimClaimFrom" ? "minDate" : "maxDate",
          instance = $(this).data('datepicker'),
          date = $.datepicker.parseDate(
            instance.settings.dateFormat || $.datepicker._defaults.dateFormat,
            selectedDate, instance.settings
            );
          dates.not(this).datepicker('option', option,date);
      }
    }).attr('readonly', true);