<div id="header"> <?php include_once 'header.php'; ?> </div> <div id="sidebaar"> <?php include_once 'sidebar.php'; ?> </div> <div id="content"> <?php if (isset($_POST['submit'])) { $e = new Event(); foreach ($_POST['events'] as $eid) { $res = $e->addToEvent($_POST['id'], $eid); } if ($res) { echo "Added"; } else { echo "Error"; } } else { ?> <fieldset> <legend>Register for Event</legend> <form method="post" name="regForm" id="regForm"> <?php include_once 'sidebar.php'; $cid = $_GET['cid']; $c = new Category();