/*
 * jquery easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 * download by http://www.codefans.net
 * 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;
	}
});

/*
 *
 * terms of use - easing equations
 * 
 * open source under the bsd license. 
 * 
 * copyright © 2001 robert penner
 * 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. 
 *
 */