jQuery.easing.easeOutQuart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};

jQuery(function( $ ){	
	
	$('#portfolio').serialScroll({
		items:'li',
		prev:'#portfolio2 a.prev',
		next:'#portfolio2 a.next',
		offset:-330,
		start:1,
		duration:1200,
		force:true,
		stop:true,
		lock:false,
		cycle:true,
		easing:'easeOutQuart',
		jump: false
	});
	
	
});