$(document).ready( function() {
	$('nav#primary-navigation .nav-menu > li').hover( function() {
		if ( $(this).has('.sub-menu').length ) {
			$('.sub-nav-back').addClass('show');
		}
	},
	function() {
		$('.sub-nav-back').removeClass('show');
	});
});
$(window).load( function() {
	$('#slider').nivoSlider({
		directionNav: false,
		controlNav: false,
	});
});