https://www.difulvioracing.it/log/templates/rt_momentum_j15/js/load-transition.js

1/**
2 * @package		Gantry Template Framework - RocketTheme
3 * @version		1.4 November 11, 2011
4 * @author		RocketTheme http://www.rockettheme.com
5 * @copyright 	Copyright (C) 2007 - 2011 RocketTheme, LLC
6 * @license		http://www.rockettheme.com/legal/license.php RocketTheme Proprietary Use License
7 */
8
9((function(){
10
11var animation = function(){
12	var body = $('rt-transition');
13	
14	if ((window.gecko && document.getElementsByClassName) || (window.trident && !document.querySelectorAll)){
15		if (body){
16			body.setStyles({'visibility': 'hidden', 'opacity': 0});
17			body.removeClass('rt-hidden').effect('opacity', {duration: 800, transition: Fx.Transitions.Quad.easeOut}).start(1);
18		}
19		
20		return;
21	}
22	
23	if (body) body.removeClass('rt-hidden').addClass('rt-visible');
24};
25
26window.addEvent('load', animation);
27
28})());