/*
 * 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 Â© 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. 
 *
*/

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 * 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;
		}
	}
);

/*
 *
 * TERMS OF USE - EASING EQUATIONS
 * 
 * Open source under the BSD License. 
 * 
 * Copyright Â© 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. 
 *
 */

