<ul class="tabnav el">
    <li<?php if ($_SERVER['SCRIPT_NAME'] === '/plugins/NHS/admin/index.php' && empty($_REQUEST['overdue'])) { ?> class="selected"<?php } ?>><a href="/plugins/NHS/admin/index.php">Manage</a></li>
    <?php

    if (! empty($_REQUEST['id'])) { ?>
        <li class="selected">
            <a href="/plugins/NHS/admin/manage_nhs_member.php">Edit</a></li>
        <?php }
    ?>
    <li<?php if (! empty($_REQUEST['overdue'])) { ?> class="selected"<?php } ?>><a href="/plugins/NHS/admin/index.php?overdue=1">Overdue Prescriptions</a></li>
</ul>
