$(document).ready(function() {
    $("a.fancybox").fancybox({
        'zoomSpeedOut': 500,
        'zoomSpeedIn': 400,
        //'easingIn': 'easeOutBack',
        //'easingOut': 'easeInBack',
        'overlayColor' : '#000',
        'overlayOpacity': 0.4
    });
});