/* ============================================================
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 *
 * Open source under the BSD License.
 *
 * Copyright © 2008 George McGinley Smith
 * All rights reserved.
 * https://raw.github.com/danro/jquery-easing/master/LICENSE
 * ======================================================== */
 
(function (jQuery) {

jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend(jQuery.easing, {
    easeInQuad: function(x, t, b, c, d) {
        return c * (t /= d) * t + b;
    },
    easeOutQuad: function(x, t, b, c, d) {
        return -c * (t /= d) * (t - 2) + b;
    },
    easeInOutQuad: function(x, t, b, c, d) {
        if ((t /= d / 2) < 1)
            return c / 2 * t * t + b;
        return -c / 2 * ((--t) * (t - 2) - 1) + b;
    },
    easeInCubic: function(x, t, b, c, d) {
        return c * (t /= d) * t * t + b;
    },
    easeOutCubic: function(x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t + 1) + b;
    },
    easeInOutCubic: function(x, t, b, c, d) {
        if ((t /= d / 2) < 1)
            return c / 2 * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t + 2) + b;
    },
    easeInQuart: function(x, t, b, c, d) {
        return c * (t /= d) * t * t * t + b;
    },
    easeOutQuart: function(x, t, b, c, d) {
        return -c * ((t = t / d - 1) * t * t * t - 1) + b;
    },
    easeInOutQuart: function(x, t, b, c, d) {
        if ((t /= d / 2) < 1)
            return c / 2 * t * t * t * t + b;
        return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
    },
    easeInQuint: function(x, t, b, c, d) {
        return c * (t /= d) * t * t * t * t + b;
    },
    easeOutQuint: function(x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
    },
    easeInOutQuint: function(x, t, b, c, d) {
        if ((t /= d / 2) < 1)
            return c / 2 * t * t * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
    },
    easeInSine: function(x, t, b, c, d) {
        return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
    },
    easeOutSine: function(x, t, b, c, d) {
        return c * Math.sin(t / d * (Math.PI / 2)) + b;
    },
    easeInOutSine: function(x, t, b, c, d) {
        return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
    },
    easeInExpo: function(x, t, b, c, d) {
        return (t == 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
    },
    easeOutExpo: function(x, t, b, c, d) {
        return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
    },
    easeInOutExpo: 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;
    },
    easeInCirc: function(x, t, b, c, d) {
        return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
    },
    easeOutCirc: function(x, t, b, c, d) {
        return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
    },
    easeInOutCirc: function(x, t, b, c, d) {
        if ((t /= d / 2) < 1)
            return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
        return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
    },
    easeInElastic: function(x, t, b, c, d) {
        var s = 1.70158;
        var p = 0;
        var a = c;
        if (t == 0)
            return b;
        if ((t /= d) == 1)
            return b + c;
        if (!p)
            p = d * .3;
        if (a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        }
        else
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
    },
    easeOutElastic: function(x, t, b, c, d) {
        var s = 1.70158;
        var p = 0;
        var a = c;
        if (t == 0)
            return b;
        if ((t /= d) == 1)
            return b + c;
        if (!p)
            p = d * .3;
        if (a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        }
        else
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
    },
    easeInOutElastic: function(x, t, b, c, d) {
        var s = 1.70158;
        var p = 0;
        var a = c;
        if (t == 0)
            return b;
        if ((t /= d / 2) == 2)
            return b + c;
        if (!p)
            p = d * (.3 * 1.5);
        if (a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        }
        else
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        if (t < 1)
            return -.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
        return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * .5 + c + b;
    },
    easeInBack: function(x, t, b, c, d, s) {
        if (s == undefined)
            s = 1.70158;
        return c * (t /= d) * t * ((s + 1) * t - s) + b;
    },
    easeOutBack: function(x, t, b, c, d, s) {
        if (s == undefined)
            s = 1.70158;
        return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
    },
    easeInOutBack: function(x, t, b, c, d, s) {
        if (s == undefined)
            s = 1.70158;
        if ((t /= d / 2) < 1)
            return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
        return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
    },
    easeInBounce: function(x, t, b, c, d) {
        return c - jQuery.easing.easeOutBounce(x, d - t, 0, c, d) + b;
    },
    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;
        }
    },
    easeInOutBounce: function(x, t, b, c, d) {
        if (t < d / 2)
            return jQuery.easing.easeInBounce(x, t * 2, 0, c, d) * .5 + b;
        return jQuery.easing.easeOutBounce(x, t * 2 - d, 0, c, d) * .5 + c * .5 + b;
    }
});

jQuery.csseasing = jQuery();
jQuery.extend(jQuery.csseasing, {
    linear: function() {
        return 'linear';
    },
    easeInQuad: function() {
        return 'cubic-bezier(0.550, 0.085, 0.680, 0.530)';
    },
    easeOutQuad: function() {
        return 'cubic-bezier(0.250, 0.460, 0.450, 0.940)';
    },
    easeInOutQuad: function() {
        return 'cubic-bezier(0.455, 0.030, 0.515, 0.955)';
    },
    easeInCubic: function() {
        return 'cubic-bezier(0.550, 0.055, 0.675, 0.190)';
    },
    easeOutCubic: function() {
        return 'cubic-bezier(0.215, 0.610, 0.355, 1.000)';
    },
    easeInOutCubic: function() {
        return 'cubic-bezier(0.645, 0.045, 0.355, 1.000)';
    },
    easeInQuart: function() {
        return 'cubic-bezier(0.895, 0.030, 0.685, 0.220)';
    },
    easeOutQuart: function() {
        return 'cubic-bezier(0.165, 0.840, 0.440, 1.000)';
    },
    easeInOutQuart: function() {
        return 'cubic-bezier(0.770, 0.000, 0.175, 1.000)';
    },
    easeInQuint: function() {
        return 'cubic-bezier(0.755, 0.050, 0.855, 0.060)';
    },
    easeOutQuint: function() {
        return 'cubic-bezier(0.230, 1.000, 0.320, 1.000)';
    },
    easeInOutQuint: function() {
        return 'cubic-bezier(0.860, 0.000, 0.070, 1.000)';
    },
    easeInSine: function() {
        return 'cubic-bezier(0.470, 0.000, 0.745, 0.715)';
    },
    easeOutSine: function() {
        return 'cubic-bezier(0.390, 0.575, 0.565, 1.000)';
    },
    easeInOutSine: function() {
        return 'cubic-bezier(0.445, 0.050, 0.550, 0.950)';
    },
    easeInExpo: function() {
        return 'cubic-bezier(0.950, 0.050, 0.795, 0.035)';
    },
    easeOutExpo: function() {
        return 'cubic-bezier(0.190, 1.000, 0.220, 1.000)';
    },
    easeInOutExpo: function() {
        return 'cubic-bezier(1.000, 0.000, 0.000, 1.000)';
    },
    easeInCirc: function() {
        return 'cubic-bezier(0.600, 0.040, 0.980, 0.335)';
    },
    easeOutCirc: function() {
        return 'cubic-bezier(0.075, 0.820, 0.165, 1.000)';
    },
    easeInOutCirc: function() {
        return 'cubic-bezier(0.785, 0.135, 0.150, 0.860)';
    },
    easeInElastic: function() {
        return 'ease-in';
    },
    easeOutElastic: function() {
        return 'ease-out';
    },
    easeInOutElastic: function() {
        return 'ease-in-out';
    },
    easeInBack: function() {
        return 'cubic-bezier(0.600, -0.280, 0.735, 0.045)';
    },
    easeOutBack: function() {
        return 'cubic-bezier(0.175, 0.885, 0.320, 1.275)';
    },
    easeInOutBack: function() {
        return 'cubic-bezier(0.680, -0.550, 0.265, 1.550)';
    },
    easeInBounce: function() {
        return 'ease-in';
    },
    easeOutBounce: function() {
        return 'ease-out';
    },
    easeInOutBounce: function() {
        return 'ease-in-out';
    }
});

})(njQuery);