<ul class="tabnav el">
    <li<?php if ($_SERVER['SCRIPT_NAME']=='/shop/admin/coupons/manage.coupons.php') {?> class="selected"<?php } ?>><a href="/shop/admin/coupons/manage.coupons.php">Manage</a></li>
    <li<?php if ($_SERVER['SCRIPT_NAME']=='/shop/admin/coupons/edit.coupon.php') {?> class="selected"<?php } ?>><a href="/shop/admin/coupons/edit.coupon.php">Add / Edit</a></li>
    <li<?php if ($_SERVER['SCRIPT_NAME']=='/shop/admin/coupons/manage.coupons.codes.php') {?> class="selected"<?php } ?>><a href="/shop/admin/coupons/manage.coupons.codes.php">Manage codes</a></li>
</ul>
