$(function() {
    $.easing.customInOutExpo = function(x, t, b, c, d) {
        if (t == 0) return b;
        if (t == d) return b + c;
        if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
        return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
    };
    $.easing.easeOutBounce = function(x, t, b, c, d) {
        if ((t /= d) < (1 / 2.75)) {
            return c * (7.5625 * t * t) + b;
        } else if (t < (2 / 2.75)) {
            return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
        } else if (t < (2.5 / 2.75)) {
            return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
        } else {
            return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
        };
    };

    $.easing.easeOutCirc = function(x, t, b, c, d) {
        return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
    };
});