PHP实例程序：用PHP制作登录页面程序

            </td>
            <td width="169">
              <input type="text" name="user_login" size="16" maxlength="16" value="<?php echo $user_login; ?>">
            </td>
          </tr>
          <tr>
            <td width="94">
              <div align="right">口令：</div>
            </td>
            <td width="169">
              <input type="password" name="user_pass" size="16" maxlength="16">
            </td>
          </tr>
          <tr>
            <td colspan="2">
              <div align="center">
                <input type="submit" name="login" value=" 登  录 "> [中国站长站]
                <input type="button" name="return_index" value="返回首页" onClick="form1.action='../include/goto_page.php3?dist_page=../main.php3';form1.submit();return;">
              </div>
            </td>
          </tr>
        </table>
      </td>
    </tr>
  </table>
</form>
<?php
if($error_message) echo "<center><font color='#ff0000'>$error_message</font></center>";
?>
<SCRIPT language="JavaScript">document.form1.user_login.focus();
</SCRIPT>
<p> </p>

<?php include("../footer.php3"); ?>
</body>
</html>