Jquery Date Picker

    <!--( Calender )-->
    <link href="../JS/Calender/calender.css" rel="stylesheet" />
    <script src="../JS/Calender/jquery-1.10.2.js"></script>
    <script src="../JS/Calender/jquery-ui.js"></script>

just call the methods in script tag:
 var @datemax, @datemin

  $("#txtofferexpires").datepicker("destroy");
  $('#txtofferexpires').datepicker({ dateFormat: 'mm/dd/yy', maxDate: @datemax, minDate: @datemin });

destroy clears the history of the calender.

@datemax, @datemin sets for maxdate and mindates which are enabled.