- <li>from <a href="<?php site_url('catalog/category/1') ?>">feature films</a></li>
- <li>from <a href="<?php echo site_url('catalog/category/2') ?>"><em>TechTalks</em> technical presentations</a></li>
- <li>or from <a href="<?php site_url('catalog/category/3') ?>">various events</a> from our faculty</li>
- <li>from <a href="<?php site_url('catalog/category/4') ?>">karaoke parties</a> in <a href="http://acs.pub.ro/" target="_blank" ref="nofollow">Automatic Control and Computers Faculty</a></li>
+ <li>from <a href="<?php echo site_url('catalog/category/movies') ?>">feature films</a></li>
+ <li>from <a href="<?php echo site_url('catalog/category/tech-talks') ?>"><em>TechTalks</em> technical presentations</a></li>
+ <li>or from <a href="<?php echo site_url('catalog/category/events') ?>">various events</a> from our faculty</li>
+ <li>from <a href="<?php echo site_url('catalog/category/karaoke') ?>">karaoke parties</a> in <a href="http://acs.pub.ro/" target="_blank" rel="nofollow">Automatic Control and Computers Faculty</a></li>