var duration = 200;
$('.js-menu.two').hover(function(){
    duration = 0;
}, function(){
    duration = 200;    
});
$('li').hover(function(){
	$(this).find('.js-tab').css('background-color', 'black').css('color', 'white').children('.js-icon').css('background-position', 'center -56px');
    $(this).find('.js-subitems').stop(1,1).slideDown(duration);
}, function(){
	$(this).find('.js-tab').css('background-color', 'white').css('color', 'black').children('.js-icon').css('background-position', 'center 0');
    $this = $(this);
    setTimeout(function(){
        $this.find('.js-subitems').stop(1,1).slideUp(duration);
    }, 0);
});