 on off  ... 
Made in Sani0k 
http://loxs.ru
:
// incfiles/lasses/functions.php
   show_user
        if ($user['sex'])
            $out .= '<img src="../theme/' . $set_user['skin'] . '/images/' . ($user['sex'] == 'm' ? 'm' : 'w') . ($user['datereg'] > time() - 86400 ? '_new' : '') . '.png" width="16" height="16" align="middle" />&nbsp;';

   :
 if ($user['sex'])
$out .= '<img src="' . self::$system_set['homeurl'] . '/theme/' . self::$user_set['skin'] . '/images/' . ($user['sex'] == 'm' ? 'm' : 'w') . 
($user['datereg'] >time() - 86400 ? '_new' : ''). '_'.( time() > $user['lastdate'] + 300 ? 'off' : 'on') . 

'.png" width="16" height="16" align="middle" alt="' . ($user['sex'] == 'm' ? '' : '') . '" />&#160;';


  forum/index.php
   466:
---------------------------------------------------------------------------
                    if ($postres['sex'])
                        echo '<img src="../theme/' . $set_user['skin'] . '/images/' . ($postres['sex'] == 'm' ? 'm' : 'f') . ($postres['datereg'] > time() - 86400 ? '_new.gif" width="14"' : '.gif" width="10"') . ' height="10"/>&nbsp;';
---------------------------------------------------------------------------
   
 ---------------------------------------------------------------------------                   
echo '<img src="../theme/' . $set_user['skin'] . '/images/' . ($postres['sex'] == 'm' ? 'm' : 'w') . ($postres['datereg'] > time() - 86400 ? '_new.png"  : '').'_'.

(time() > $postres['lastdate'] + 300 ? 'off' : 'on') . '.png" width="16" height="16" align="middle"/>&#160;';
----------------------------------------------------------------------------
     543:
----------------------------------------------------------------------------
                    if ($res['sex'])
                        echo '<img src="../theme/' . $set_user['skin'] . '/images/' . ($res['sex'] == 'm' ? 'm' : 'w') . ($res['datereg'] > time() - 86400 ? '_new' : '') . '.png" width="16" height="16" align="middle" />&nbsp;';
----------------------------------------------------------------------------

  :
    -------------------------------------------------------------------------                
echo '<img src="../theme/' . $set_user['skin'] . '/images/' . ($res['sex'] == 'm' ? 'm' : 'w') . ($res['datereg'] > time() - 86400 ? '_new' : '') . '_'.(time() > $res['lastdate'] + 300 ? 'off' : 'on') . '.png" width="16" height="16" align="middle" />&#160;';
----------------------------------------------------------------------------

===========
      theme/ /images/
  :

w_on.png-  on
w_off.png-  off
m_on.png-  on
m_off.png-  off

======
w_new_on.png-  on
w_new_off.png-  off
m_new_on.png-  on
m_new_off.png-  off
---------------------------------------------------------------------------