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

    // APRI/CHIUDI TESTO

    var initOpacity = (Browser.Engine.trident && Browser.Engine.version <= 5) || $('content_main').hasClass('fullscreen') ? 1 : 0.8;
    var tweenDuration = 800;

    $('content_main').setStyle('opacity', $('content_main').hasClass('fullscreen') ? 1 : initOpacity);
    $('content_main').set('tween', { duration: tweenDuration });

    $$('#chiudi_testo p').addEvent('click', function() {
        $('content_main').tween('opacity', $('content_main').hasClass('hidden') ? initOpacity : 0);
        this.getChildren('span').each(function(el) {
            el.setStyle('display', el.getStyle('display') == 'none' ? 'block' : 'none');
        });
        $('content_main').toggleClass('hidden');
    });

    // SOTTO MENU

    $$('#nav_main > ul > li').addEvent('mouseenter', function() {
        var sub = this.getFirst('ul');
        if (sub) { sub.setStyle('display', 'block'); }
    }).addEvent('mouseleave', function() {
        var sub = this.getFirst('ul');
        if (sub) { sub.setStyle('display', 'none'); }
    });

    // Chiusura del DOMREADY
});