请问我这些代码哪错了？为什么新增不了？

Question

<%@ include file="/taglibs.jsp"%>
<%@ page language="java" contentType="text/html;charset=UTF-8"%><html:html><style>
body{
margin: 0px 0px 0px 0px;
padding: 0px 0px 0px 0px;
font-family: Arial;
background-color: #F8F8F8;
background-image: url(<%=request.getContextPath() %>/img/bkg.gif);

}
</style>
<link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/css/styles.css"/>
<link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/css/button.css"/><br>
<h3>
<span >
     &nbsp;修改用户组
</span>   
</h3>
<br/><html:form action="/xxxxx/xxxx" method="xxxx"/> 
<table width="98%" border="0" align="center" cellpadding="5" cellspacing="0" bgcolor="f8f8ff">
<tr>
<td colspan="4">
</td>
</tr>




<tr>
<td colspan="6">
<span class="errorview">
<logic:notEmpty name="xxxxxx"> <bean:write name="xxxxxxxx"/></logic:notEmpty>
</span>
</td>
</tr>

</table>
<br/>

<table id="tbl" width="98%" border="1" align="center" cellpadding="0" cellspacing="0" class="data2">
  <tr>
    <th nowrap  width="30%"  style="font-size: 11">分组代码<br/>     </th>
  <td>
<label>
<html:text property="groupCode" maxlength="30" size="20" readonly="true" disabled="true"></html:text>
分组代码以字母开头
</label>
</td>
  </tr>
   <tr>
    <th nowrap  width="30%"  style="font-size: 11">分组名称<br/>     </th>
  <td>
<label>
<html:text property="groupName" maxlength="50" size="50" ></html:text>
</label>
</td>
  </tr>
  <tr>
    <th nowrap  width="30%"  style="font-size: 11">分组描述<br/>     </th>
  <td>
<label>
<html:text property="description" maxlength="100" size="50" ></html:text>
</label>
</td>
  </tr>
  <tr>
    <th nowrap  width="30%"  style="font-size: 11">IP分组<br/>     </th>
  <td>
<label>
<html:text property="description" maxlength="100" size="20"></html:text>
                    <input type="button" name="newAdd" value="新增" 
                onclick="appendIp();" onMouseOver="this.className='bt_insert1'"
                onmouseout="this.className='bt_insert'" class="bt_insert">
            </td>
            </label>
  </tr>
</table></html:form><script type="text/javascript">
<!--function appendIp(id) {
obj = document.getElementById('tb1');
var length = obj.rows.length;
var cell1 = newRow.insertCell();
cell1.innerHTML = "<?>";
var cell2 = newRow.insertCell();
cell2.innerHTML = "<?>";
}

<logic:notEmpty name="xxxxxx"> 
</logic:notEmpty>
//-->
</script></html:html>里面好多东西不方便贴出来就用XXX代替或者直接删节掉了 主要是新增的那个部分搞不出来 大致的框架也在 希望大家帮忙