<tr>
<td class="label">
验证码：
</td>
<td>
<input autocomplete="off" class="x-input showdisaskvcode" type="text" vtype="required"
size="4" maxlength="4" class="showdisaskvcode" name="discussverifyCode" id="comments_code" /> <img
id="Img1" src="../Services/CheckCode.ashx?type=comment" title="点击切换验证码" alt="验证码"
onclick="this.src='../Services/CheckCode.ashx?type=comment&'+Math.random();"
style="cursor: pointer;" /><span></span>
</td>
</tr>