div class="demo-info">
    <div class="demo-tip icon-tip"></div>
    <div>Fill the form and submit it.</div>
</div>
<div style="margin:10px 0;"></div>
<div class="easyui-panel" title="New Topic" style="width:400px">
    <div style="padding:10px 0 10px 60px">
        <form id="ff" method="post">
            <table>
                <tr>
                    <td>Name:</td>
                    <td><input class="easyui-validatebox" type="text" name="name" data-options="required:true"></input>
                    