/*
 * jQuery Easing v1.1 - http://gsgd.co.uk/sandbox/jquery.easing.php
 *
 * Uses the built in easing capabilities added in jQuery 1.1
 * to offer multiple easing options
 *
 * Copyright (c) 2007 George Smith
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */
jQuery.extend( jQuery.easing, {
	easein : function(x, t, b, c, d) {
		return c * (t /= d) * t + b
	},
	easeinout : function(x, t, b, c, d) {
		if (t < d / 2)
			return 2 * c * t * t / (d * d) + b;
		var a = t - d / 2;
		return -2 * c * a * a / (d * d) + 2 * c * a / d + c / 2 + b
	},
	easeout : function(x, t, b, c, d) {
		return -c * t * t / (d * d) + 2 * c * t / d + b
	},
	expoin : function(x, t, b, c, d) {
		var a = 1;
		if (c < 0) {
			a *= -1;
			c *= -1
		}
		return a * (Math.exp(Math.log(c) / d * t)) + b
	},
	expoout : function(x, t, b, c, d) {
		var a = 1;
		if (c < 0) {
			a *= -1;
			c *= -1
		}
		return a * (-Math.exp(-Math.log(c) / d * (t - d)) + c + 1) + b
	},
	expoinout : function(x, t, b, c, d) {
		var a = 1;
		if (c < 0) {
			a *= -1;
			c *= -1
		}
		if (t < d / 2)
			return a * (Math.exp(Math.log(c / 2) / (d / 2) * t)) + b;
		return a * (-Math.exp(-2 * Math.log(c / 2) / d * (t - d)) + c + 1) + b
	},
	bouncein : function(x, t, b, c, d) {
		return c - jQuery.easing['bounceout'](x, d - t, 0, c, d) + b
	},
	bounceout : 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
		}
	},
	bounceinout : function(x, t, b, c, d) {
		if (t < d / 2)
			return jQuery.easing['bouncein'](x, t * 2, 0, c, d) * .5 + b;
		return jQuery.easing['bounceout'](x, t * 2 - d, 0, c, d) * .5 + c * .5
				+ b
	},
	elasin : 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
	},
	elasout : 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
	},
	elasinout : 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
	},
	backin : function(x, t, b, c, d) {
		var s = 1.70158;
		return c * (t /= d) * t * ((s + 1) * t - s) + b
	},
	backout : function(x, t, b, c, d) {
		var s = 1.70158;
		return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b
	},
	backinout : function(x, t, b, c, d) {
		var 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
	},
	linear : function(x, t, b, c, d) {
		return c * t / d + b
	}
});