/*

 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/

 *

 * Uses the built in easing capabilities added In jQuery 1.1

 * to offer multiple easing options

 *

 * TERMS OF USE - jQuery Easing

 * 

 * Open source under the BSD License. 

 * 

 * Copyright © 2008 George McGinley Smith

 * All rights reserved.

 * 

 * Redistribution and use in source and binary forms, with or without modification, 

 * are permitted provided that the following conditions are met:

 * 

 * Redistributions of source code must retain the above copyright notice, this list of 

 * conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice, this list 

 * of conditions and the following disclaimer in the documentation and/or other materials 

 * provided with the distribution.

 * 

 * Neither the name of the author nor the names of contributors may be used to endorse 

 * or promote products derived from this software without specific prior written permission.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 

 * OF THE POSSIBILITY OF SUCH DAMAGE. 

 *

*/

// 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*.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;