jquery日期插件1

<script language="javascript" src="js/jquery.js"></script> <link href="DatePicker/skin/WdatePicker.css" rel="stylesheet" type="text/css"> <script language="JavaScript" src="DatePicker/WdatePicker.js"></script> <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script> <input type="text" onclick="WdatePicker({dateFmt:'yyyy-MM-dd'})" class="Wdate inputbg required" name="payDate" id="payDate" readonly/>