Event.observe(window, 'load', function() { 
    var div = new Element('div', {id: 'navigation'});
    var nav = new Element('ul');
    
    div.insert(nav);
    nav.insert('<li><a href="../previous" title="Go to the previous site.">&laquo; previous</a></li>');
    nav.insert('<li><a href="../random" title="Pick a random site.">random</a></li>');
    nav.insert('<li><a href="../next" title="Go to the next site.">next &raquo</a></li>');
    
    div.hide();
    $$('body')[0].insert(div);
    div.slideDown({duration: 1.0});    
});