ersetz das

window.open(\'content/start_popup.php?key='.md5($_SESSION['uid']."-".date("H:i")).'\', \'sv\', \'width=244, height=100 scrollbar=no, status=no, resizable=no\')

mal durch

window.open(\'content/start_popup.php?key='.md5($_SESSION['uid']."-".date("H:i")).'\', \'sv\', \'width=244, height=100, scrollbar=no, status=no, resizable=no\')

das^^