if (Browser.Engine.trident4) {
    window.addEvent('domready', function () {
        $('suckerfishnav').getChildren('li').each(function(li) {
            li.addEvent('mouseover', function () {
                this.className += ' sfhover';
            });
            
            li.addEvent('mouseout', function () {
                this.className=this.className.replace(" sfhover", "");
            });
        });
    });
}