Something

<?php
if (isset($_POST['Submit'])){

echo 'your kung foo is strong';

}

else
echo '
<table width="100%"  border="1" cellspacing="0" cellpadding="0">
      <tr>
        <td><form name="form1" method="post" action="delme.php">
          <p>Search By Last Name: </p>
          <p>Last Name: 
            <input name="lastname" type="text" id="lastname">
          </p>
          <p>
            <input type="submit" name="Submit" value="Submit">
</p>
        </form>          <p>&nbsp;</p>
          <p>&nbsp;</p></td>
      </tr>
    </table>
';
?>