请高手指点关于添加一行记录的问题
这是我从网上粘的代码。我想把部门一列变为下拉菜单，并且还想再后面多加几列，我该怎么改呢？
<%@ page contentType="text/html; charset=gb2312" %>
<html>
<head>
<script language="javascript" id="clientEventHandlersJS0">
<!--
var tLinkmanNowRowIndex
var var_rowIndex
iNowRowIndex=-1
tLinkmanNowRowIndex=-1
var_rowIndex=0
function btnAddLinkman_onclick() {
var newRow = tLinkman.insertRow();
// newRow.bgColor='#efefef';
var newCell0 = newRow.insertCell();
newCell0.className='table_body';
newCell0.width = '40';
newCell0.align = 'center';
var iRowLength = tLinkman.rows.length;
newCell0.innerText = iRowLength - 1 ;
var newCell1 = newRow.insertCell();
newCell1.className='table_body';
// newCell1.width = '16%';
newCell1.innerHTML = "<input type=text class=textfield id=linkmanName" + (iRowLength-1) + " >";
var newCell2 = newRow.insertCell();
newCell2.className='table_body';
newCell2.width = '16%';
newCell2.innerHTML = "<input type=text class=textfield id=linkmanPhone" + (iRowLength-1) + " >";
newCell3.width = '16%';
newCell3.innerHTML = "<input type=text class=textfield id=linkmandizhi" + (iRowLength-1) + " >";
}
function btnDelRow_onclick(tablename) {
var itemp
itemp =-1
if ((eval(tablename + "NowRowIndex") + 1)>1)
{
itemp = eval(tablename+"NowRowIndex")
}
else
{
itemp = eval(tablename).rows.length -1
}
if (itemp >0)
{
if (confirm("确定要" + event.srcElement.value + " " + itemp +" 吗?"))
{
eval(tablename).deleteRow(itemp)
for (i=1;i<eval(tablename).rows.length;i++)
eval(tablename).rows[i].cells[0].innerText = i
}
}
// if (tableName=="tLinkman")
tLinkmanNowRowIndex = -1
}
function getRow(e)
{
event.cancellBulle=true
var itemp;
var tableName
var iNowRowIndex
itemp=-1
tableName=""
iNowRowIndex = -1
if (event.srcElement.tagName.toLowerCase() == "td")
{
iNowRowIndex = event.srcElement.parentElement.rowIndex ;
tableName = event.srcElement.parentElement.parentElement.parentElement.id.toString()
}
if (event.srcElement.tagName.toLowerCase() == "input")
{
iNowRowIndex = event.srcElement.parentElement.parentElement.rowIndex;
tableName = event.srcElement.parentElement.parentElement.parentElement.parentElement.id.toString()
// alert(tableName)
}
itemp = eval(tableName + "NowRowIndex")
if (itemp > 0)
{
eval(tableName).rows[itemp].bgColor = '#ffffff';
eval(tableName).rows[itemp].cells[0].innerText = itemp
}
if(iNowRowIndex > -1)
{
if(iNowRowIndex > 0)
{
eval(tableName).rows[iNowRowIndex].cells[0].innerHTML = '<font color=blue>►</font>'
eval(tableName).rows[iNowRowIndex].bgColor = '#efefef'
}
if (tableName=="tLinkman")
tLinkmanNowRowIndex = iNowRowIndex
}
}
//-->
</script>
</head>
<body>
<input language="javascript" id="btnAddLinkman" onclick="btnAddLinkman_onclick()"
type="button" value="增加联系人" name="btnAddLinkman">
<input language="javascript" id="btnDelLinkman" onclick="btnDelRow_onclick('tLinkman')"
type="button" value="删除联系人">
<table class="table_all" id="tLinkman" cellspacing="0" cellpadding="0" width="50%"
align="left" border="1">
<tr>
<td class="table_second_title" align="left" width="45">
行号</td>
<td class="table_second_title" align="left" width="40">
姓名</td>
<td class="table_second_title" align="left" width="40">
部门</td>
<td class="table_second_title" align="left" width="40">
地址</td>
</tr>
</table>
</body>
</html>
<script language="javascript" id="clientEventHandlersJS">
<!--
tLinkman.onclick = getRow;
//-->
</script>
[解决办法]
列：<td></td>
下拉菜单：<select><option></option></select>
[解决办法]
我知道，但我不知道改代码的哪一行？呵呵
