<div class="client-menu">
  <ul>
    <li>
      <a href="/panel-klienta/zamowienia" title="<?= \S::lang( 'historia-zamowien' );?>" class="btn btn-success <? if ( $this -> active_page == 'orders' ):?>active<? endif;?>"><?= \S::lang( 'historia-zamowien' );?></a>
    </li>
    <li>
      <a href="/panel-klienta/adresy" title="<?= \S::lang( 'adresy' );?>" class="btn btn-success <? if ( $this -> active_page == 'addresses' ):?>active<? endif;?>"><?= \S::lang( 'adresy' );?></a>
    </li>
  </ul>
</div>