<html>
<head>
<script type="text/javascript">
function insRow()
{
var x=document.getElementById('myTable').insertRow(0)
var y=x.insertCell(0)
var z=x.insertCell(1)
y.innerHTML="NEW CELL1"
z.innerHTML="NEW CELL2"
}
</script>
</head>
<body>
<table id="myTable" border="1" style=" ">
<tr>
<td>Row1 cell1</td>
<td>Row1 cell2</td>
</tr>
<tr>
<td>Row2 cell1</td>
<td>Row2 cell2</td>
</tr>
<tr>
<td>Row3 cell1</td>
<td>Row3 cell2</td>
</tr>
</table>
<br />
<input type="button" onClick="insRow()" value="插入行" >
</body>
</html>