表单提交不了 各位大虾帮忙看看啊

<form action="<%=MM_editAction%>" method="POST" name="form1" id="form1" onsubmit="MM_validateForm('name','','R','tele','','RisNum','content','','R');return document.MM_returnValue">
              <table width="100%" border="0">
                <tr>
                  <td width="21%" align="right"><span class="STYLE2">姓名：</span></td>
                  <td width="79%"><label>
                    <input name="name" type="text" id="name" size="30" />
                  </label></td>
                </tr>
                <tr>
                  <td align="right"><span class="STYLE2">手机号码：</span></td>
                  <td><label>
                    <input name="tele" type="text" id="tele" size="30" />
                  </label></td>
                </tr>
                <tr>
                  <td align="right"><span class="STYLE2">内容：</span></td>
                  <td><label>
                    <textarea name="content" cols="35" rows="6" id="content"></textarea>
                  </label></td>
                </tr>
                <tr>
                  <td>&nbsp;</td>
                  <td><label>
                    <input type="submit" name="Submit" value="提交" />
                    <input type="reset" name="Submit2" value="重置" />
                  </label></td>
                </tr>
              </table>
                        
              <input type="hidden" name="MM_insert" value="form1">
</form>
            </td>
          </tr>
          <tr>          </tr>
         
         
         
        </table>