jQuery.extend(jQuery.easing, {
    easeOutBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.2;
        return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
    },
	easeOutCubic: function (x, t, b, c, d) {
			return c*((t=t/d-1)*t*t + 1) + b;
	}
});