function Menu() {
    var menu = $("botoes").childNodes;
    for (i = 0; i < menu.length; i++) {
        if (menu[i].tagName == "LI" || menu[i].tagName == "li") {
            Event.observe(menu[i], 'mouseover', function() {
                this.addClassName('hover');
            });
            Event.observe(menu[i], 'mouseout', function() {
                this.removeClassName('hover');
            });
        }
    }
}

function subMenu() {
    var subNavs = $$('.subNav');
    for (i = 0; i < subNavs.length; i++) {
        var subNav = subNavs[i];
        var liNav = subNav.parentNode;
        Event.observe(liNav, 'mouseover', function() {
            var sNav = this.childNodes[1].nextSibling;
            if (!Prototype.Browser.IE) {
                var sNav = sNav.nextSibling;
            }
        });
        Event.observe(liNav, 'mouseout', function() {
            var sNav = this.childNodes[1].nextSibling;
            if (!Prototype.Browser.IE) {
                var sNav = sNav.nextSibling;
            }
        });
    }
}

Event.observe(window, 'load', function() {
    Menu();
    subMenu();
    //document.getElementsByTagName("html")[0].setAttribute("debug", "true");
});