// URUCHAMIANIE
window.addEvent('domready', function() {
    if (document.getElementById('por-menu')) {
        var menu = new TabNavigation({
            sNavId: 'por-menu',
            sActiveClassName: 'front',
            sDisplayNoneClassName: 'hide',
            bAddClassToParentElement: 1
        }); menu.init();
    }
});