デートピッカー サンプル STUDIO KEY

$(function() {
  var nx = 0
  $.datepicker.setDefaults($.datepicker.regional['ja']);
  $('#datepicker1').datepicker({ 
    dateFormat: 'yy-mm-dd',
    minDate: new Date(),
    onSelect: function(selectedDate) {
      var today   = new Date();
      var selDate = new Date(selectedDate);
      var msDiff = selDate.getTime() - today.getTime();
      nx = Math.floor(msDiff / (1000 * 60 * 60 *24));
      nx = nx+2;
      var min = '+'+nx+'d';
      $("#datepicker2").datepicker("option", "minDate", min);
    }
  });
  $('#datepicker2').datepicker({ 
    dateFormat: 'yy-mm-dd' 
  });
});