function isDumb() {
var agt=navigator.userAgent.toLowerCase();
major = parseInt(navigator.appVersion);
minor = parseFloat(navigator.appVersion);
ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
return (ie && (major == 4) && (agt.indexOf("msie 6.")!=-1) );
}
window.addEvent('domready', function(){
var list = $$('.menu-expand li');
list.each(function(element) {
 
    var fx = new Fx.Styles(element, {duration:200, wait:false});
 
    element.addEvent('mouseenter', function(){
        fx.start({
            'margin-left': 5
        });
    });
 
    element.addEvent('mouseleave', function(){
        fx.start({
            'margin-left': 0
        });
    });
});

var list = $$('.menu-expand');
list.each(function(element) {
    $E('ul', element).setOpacity(0);
    var fx = new Fx.Styles($E('ul', element), {duration:500, wait:false});
 
    element.addEvent('mouseenter', function(){
        fx.start({'opacity': [0, 1]});
    });
    element.addEvent('mouseleave', function() { element.style.display = "block"; } );
    element.addEvent('mouseleave', function(){ fx.start({'opacity': [1, 0]});
    var temp = $ES('li',element);
        });
    });
});