jQuery.easing['jswing'] = jQuery.easing['swing'];
jQuery.extend(jQuery.easing, {
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		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 * .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
	}
});