在div中加入属性
closed="true

 <script type="text/javascript">
                $(function () {                    
                    $('#vlist').dialog({ autoOpen: false });

　　　　　　 });

 </script>

<div id="vlist" class="hide" closed="true"  style="width:520px">
                <div class="breadcrumb">
                    <a href="#" class="level1">Vehicles</a> &raquo;Customise
                </div>
                <br class="clear" />
                <div>
                    <table id="dataList1"></table>
                </div>
                <div class="right"><input type="button" value="Cancel" onclick="hidediv()" /></div>
            </div>

本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2011/11/20/2255739.html，如需转载请自行联系原作者