jQuery(function($) {
        
    var speed = 800,
        pos = {
        '#box1': ['0px',        '0px',      '0px'],
        '#box2': ['2000px',     '400px',    '800px'],
        '#box3': ['4000px',     '800px',    '1600px'],
        '#box4': ['6000px',     '1200px',   '2400px'],
        '#box5': ['8000px',    '1600px',   '3200px']
        },
        links = $('#header li a');

    links.click(function() {
        var hash = $(this).attr('href');
        $('#wrapper').scrollTo(pos[hash][0], speed);
        $('#cloud1').scrollTo(pos[hash][1], speed);
        $('#cloud2').scrollTo(pos[hash][2], speed);
        links.removeClass('selected');
        $(this).addClass('selected');
        return false;
    });
    if (window.location.hash) {
        links.filter('a[href="' + window.location.hash + '"]').trigger('click');
    }
});