Uncaught TypeError: Object #<Object> has no method 'datepicker'

Java code

 <script type="text/javascript" src="/Doctor/js/jquery-1.5.1.min.js"></script>        <script type="text/javascript" src="/Doctor/js/jquery-ui-1.8.14.custom.min.js"></script>        <script type="text/javascript" src="/Doctor/development-bundle/ui/jquery.ui.core.js"></script>        <script type="text/javascript" src="/Doctor/development-bundle/ui/jquery.ui.widget.js"></script>        <script type="text/javascript" src="/Doctor/development-bundle/ui/jquery.ui.datepicker.js"></script>        <link rel="stylesheet" type="text/css" href="/Doctor/css\ui-lightness\jquery-ui-1.8.14.custom.css"/>

Java code

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

Java code

<script type="text/javascript">    $(document).ready(function() {    $(function() {        $( "#datepicker" ).datepicker({dateFormat: 'yy-mm-dd',            maxDate: '+1m',            minDate: 'Now',            beforeShowDay: noSundays        });    });});function noSundays(a) {   a=a.getDay();   return[a>0&&a<7,""]; }    </script>

Uncaught TypeError: Object #<Object> has no method 'datepicker'
(anonymous function)Booking1.jsp:294
jQuery.fn.extend.readyjquery.min.js:27
jQuery.extend.ready.jQuery.readyListjquery.min.js:27
jQuery.extend.eachjquery.min.js:21
jQuery.extend.ready
不知什事情?原本是用到,不近日就用不到,真奇怪


[解决办法]
错误提示明显是缺少method 'datepicker'