window.addEvent('domready', function () {

    //homepage animation
    if ($('window')) {
        //var background = new Fx.Scroll($('window'), {duration:'4000', transition:'sine:in:out'}); //4000
        var heli = new Fx.Morph('chopper', { duration: '1700', transition: 'sine:in:out' }); //3000
        var plane = new Fx.Morph('jet', { duration: '3000', transition: 'sine:in:out' });

        plane.start({ 'left': [-1000, 19] }).chain(function () {
            heli.start({ 'left': [1500, 518] })
        })
    }
})