<form action="TEST" method="get">
<div><input id="_submitted" name="_submitted" type="hidden" value="1" /></div>
<table>
<tr valign="top">
  <td>First Name</td>
  <td><input id="first_name" name="first_name" type="text" /></td>
</tr>
<tr valign="top">
  <td>Last Name</td>
  <td><input id="last_name" name="last_name" type="text" /></td>
</tr>
<tr valign="top">
  <td align="center" colspan="2"><input id="_submit" name="_submit" type="submit" value="Update" /></td>
</tr>
</table>
</form>