<table name="table1" id="t">
  <tr>
    <td>aaa</td>
    <td>bbb</td>
    <td>ccc</td>
  </tr>
  <tr>
    <td>aaa</td>
    <td>bbb</td>
    <td>ccc</td>
  </tr>
  <tr>
    <td>aaa</td>
    <td>bbb</td>
    <td>ccc</td>
  </tr>
</table>
<script language="javascript">
<!--
alert(document.getElementById("t").rows[1].cells[1].innerText);
//-->
</script>