// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend(jQuery.easing, {
	def: 'easeOutQuad',
	swing: function(x, t, b, c, d) {
		// alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	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 * 0.3;
		}
		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 * 0.3;
		}
		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 * (0.3 * 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 (
				-0.5 *
					(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) *
				0.5 +
			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 + 0.75) + b;
		} else if (t < 2.5 / 2.75) {
			return c * (7.5625 * (t -= 2.25 / 2.75) * t + 0.9375) + b;
		} else {
			return c * (7.5625 * (t -= 2.625 / 2.75) * t + 0.984375) + b;
		}
	},
	easeInOutBounce: function(x, t, b, c, d) {
		if (t < d / 2) {
			return jQuery.easing.easeInBounce(x, t * 2, 0, c, d) * 0.5 + b;
		}
		return (
			jQuery.easing.easeOutBounce(x, t * 2 - d, 0, c, d) * 0.5 +
			c * 0.5 +
			b
		);
	},
});