Untitled

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <link rel="stylesheet" href="http://code.jquery.com/ui/1.11.2/themes/ui-lightness/jquery-ui.css">
  <script src="http://code.jquery.com/jquery-1.10.2.js"></script>
  <script src="http://code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
  <script>
  $(function() {

    function evenOrOdd(month) {
      var odd = ["01","03","05","07","08","10","12"];
      var even = ["02","04","06","09","11"];

      if (even.indexOf(month) == -1) {
        // odd
        return ["01","03","05","07","09","11","13","15","17","19","21","23","25","27","29","31"];
      } else {
        return ["02","04","06","08","10","12","14","16","18","20","22","24","26","28","30"];
      }

    }

    $( "#datepicker" ).datepicker({
      changeMonth: true,
      changeYear: true,
      dateFormat: "dd-mm-yy",
      beforeShowDay: function(date) {
        var day = jQuery.datepicker.formatDate('dd', date);
        var month = jQuery.datepicker.formatDate('mm', date);
        array = evenOrOdd(month);
        return [ array.indexOf(day) == -1 ]
      }
    });
  });
  </script>
</head>
<body>

<p>Date: <input type="text" id="datepicker"></p>


</body>
</html>