<script>
function go1() {
var rtr = document.getElementById('trdel')
rtr.insertCell(-1).innerHTML = "Data1"
rtr.insertCell(-1).innerHTML = "Data2"
rtr.insertCell(-1).innerHTML = "Data3"
}
</script>
<P>Exemple</P>
<input type="button" value="Create" onclick="go1()">
<table width="600" border="1" cellspacing="0" cellpadding="0">
<tr id="trdel">
</tr>
<tr>
<td align="center" id="a3">Data4</td>
<td align="center" id="b3">Data5</td>
<td align="center" id="c3">Data6</td>
</tr>
</table>