Event.observe(window, 'load', function() {
    $('back-cover-expand').down('a').observe('click', function(e) {
        Event.stop(e);
        Event.element(e).up().hide();
        $('back-cover-more').show();
    });

    var chapters = $('home-chapters');
    if (chapters) {
        chapters.getElementsBySelector('li a').each(function(link) {
            link.observe('click', function(e) {
                Event.stop(e);
                Event.element(e).next().toggle();
            });
        });
    }
});