var JMenu = new Class({
    initialize: function(el) {
        var elements = $ES('li', el);
        var nested = null
        for (var i = 0; i < elements.length; i++) {
            var element = elements[i];

            element.addEvent('mouseover', function() { this.addClass('hover'); });
            element.addEvent('mouseout', function() { this.removeClass('hover'); });

            //find nested UL
            nested = $E('ul', element);
            if (!nested) {
                continue;
            }

            //declare width
            var offsetWidth = 0;

            //find longest child
            for (k = 0; k < nested.childNodes.length; k++) {
                var node = nested.childNodes[k]
                if (node.nodeName == "LI")
                    offsetWidth = (offsetWidth >= node.offsetWidth) ? offsetWidth : node.offsetWidth;
            }

            //match longest child
            for (l = 0; l < nested.childNodes.length; l++) {
                var node = nested.childNodes[l]
                if (node.nodeName == "LI") {
                    $(node).setStyle('width', offsetWidth + 'px');
                }
            }

            $(nested).setStyle('width', offsetWidth + 'px');
        }
    }
});

try {
    document.execCommand('BackgroundImageCache', false, true);
} catch (e) { }

document.menu = null
window.addEvent('load', function() {
    element = $('menu')
    if (!element.hasClass('disabled')) {
        var menu = new JMenu(element)
        document.menu = menu
    }
});