各位大哥大姐帮个忙 谢谢 小弟初学 目前遇到很多问题

Question

<table width="100%" border="0" cellpadding="0" cellspacing="0">
                 <tr>
                   <td width="8%"><input type=radio name="a_mhwz" value="有" <%=checked("有",rs("a_mhwz"))%> onclick=bb.style.display='block'>有</td>
                   <td width="92%"><div id=bb style=display:none><table width="100%" border="0" cellspacing="0" cellpadding="0">
                     <tr>
                       <td>→ 网址：
                         <input type="text" name="a_mhwz_wz" size="40" value="<%=rs("a_mhwz_wz")%>"  class="input_on" onfocus="this.className='input_out';this.onmouseout=''" onblur="this.className='input_off';this.onmouseout=function(){this.className='input_on'};" onmousemove="this.className='input_move'" onmouseout="this.className='input_on'" /></td>
                       </tr>
                   </table>
                   </div></td>
                 </tr>
                 <tr>
                   <td colspan="2"><input type=radio name="a_mhwz" value="无" <%=checked("无",rs("a_mhwz"))%>  onclick=bb.style.display='none'>无</td>
                 </tr>
               </table>    我想让 表单提交的时候 如果我选择了  有  那么网址那个字段为必填项 如果不写 不让提交    

Answer 1

jquery代码：$('form').bind('submit',function(){
   if($('input[name=a_mhwz]').eq(0).checked && !$('input[name=a_mhwz_wz]').val()) 
{
alert('');
return false;
}
});