window.addEvent('domready', function() { Home.Setup() });

var Home = {
    CurrentPage: -1,
    Summary: null,
    Cycling: null,
    Setup: function() {

        $$('.introsummary').setStyles({ 'opacity': '0', 'display': '', 'visibility': 'visible' })
        $$('.introlinks a').addEvent('mouseover', Home.DisplayLink);
        Home.Summary = $$('.introsummary div');
        Home.Summary.setStyles({ 'opacity': '0' }).set('tween', { duration: 1500 });
        $$('.introsummary').fade(1);
        Home.ShowItem(0);
        Home.Cycling = Home.NextLink.periodical(5000);
    },
    NextLink: function() {
        var i = Home.CurrentPage + 1;
        if (i >= Home.Summary.length)
            i = 0;
        Home.ShowItem(i);
    },
    DisplayLink: function(y) {

        var i = 0;
        $$('.introlinks a').each(function(z) {
            if (z == y.target) {
                Home.ShowItem(i);
            }
            i++;
        });
        if (Home.Cycling != null)
            $clear(Home.Cycling);
    },
    ShowItem: function(i) {

        if (Home.CurrentPage != i) {
            if (Home.CurrentPage > -1)
                Home.Summary[Home.CurrentPage].fade(0);
            Home.CurrentPage = i;
            Home.Summary[Home.CurrentPage].fade(1);
        }

    }

}