/*
 * 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. 
 *
*/

// 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;
	},
	    // ******* back
        backEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            var s = 1.70158; // default overshoot value, can be adjusted to suit
            return c*(p/=1)*p*((s+1)*p - s) + firstNum;
        },
        
        backEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            var s = 1.70158; // default overshoot value, can be adjusted to suit
            return c*((p=p/1-1)*p*((s+1)*p + s) + 1) + firstNum;
        },
        
        backEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            var s = 1.70158; // default overshoot value, can be adjusted to suit
            if ((p/=0.5) < 1) 
                return c/2*(p*p*(((s*=(1.525))+1)*p - s)) + firstNum;
            else
                return c/2*((p-=2)*p*(((s*=(1.525))+1)*p + s) + 2) + firstNum;
        },
        
        // ******* bounce
        bounceEaseIn:function(p, n, firstNum, diff) {
            
            var c=firstNum+diff;
            var inv = this.bounceEaseOut (1-p, 1, 0, diff);
            return c - inv + firstNum;
        },
        
        bounceEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;

            if (p < (1/2.75))
            {
                return c*(7.5625*p*p) + firstNum;
            }
            else if (p < (2/2.75))
            {
                return c*(7.5625*(p-=(1.5/2.75))*p + .75) + firstNum;
            }
            else if (p < (2.5/2.75))
            {
                return c*(7.5625*(p-=(2.25/2.75))*p + .9375) + firstNum;
            }
            else
            {
                return c*(7.5625*(p-=(2.625/2.75))*p + .984375) + firstNum;
            }
        },
        
        
        // ******* circ
        circEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return -c * (Math.sqrt(1 - (p/=1)*p) - 1) + firstNum;
        },
        
        circEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c * Math.sqrt(1 - (p=p/1-1)*p) + firstNum;
        },
        
        circEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if ((p/=0.5) < 1) 
                return -c/2 * (Math.sqrt(1 - p*p) - 1) + firstNum;
            else
                return c/2 * (Math.sqrt(1 - (p-=2)*p) + 1) + firstNum;
        },
        
        // ******* cubic
        cubicEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*(p/=1)*p*p + firstNum;
        },
        
        cubicEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*((p=p/1-1)*p*p + 1) + firstNum;
        },
        
        cubicEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if ((p/=0.5) < 1)
                return c/2*p*p*p + firstNum;
            else
                return c/2*((p-=2)*p*p + 2) + firstNum;
        },
        
        // ******* elastic
        elasticEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if (p==0) return firstNum;
            if (p==1) return c;
            
            
            var peroid = 0.25;
            var s;
            var amplitude = c;
            
            if (amplitude < Math.abs(c)) 
            {
                amplitude = c;
                s = peroid/4;
            } 
            else 
            {
                s = peroid/(2*Math.PI) * Math.asin (c/amplitude);
            }
            
            return -(amplitude*Math.pow(2,10*(p-=1)) * Math.sin( (p*1-s)*(2*Math.PI)/peroid )) + firstNum;
        },
        
        elasticEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if (p==0) return firstNum;
            if (p==1) return c;
            
            var peroid = 0.25;
            var s;
            var amplitude = c;
            
            if (amplitude < Math.abs(c)) 
            {
                amplitude = c;
                s = peroid/4;
            } 
            else 
            {
                s = peroid/(2*Math.PI) * Math.asin (c/amplitude);
            }
        
            return -(amplitude*Math.pow(2,-10*p) * Math.sin( (p*1-s)*(2*Math.PI)/peroid )) + c;
        },
        
        // ******* expo
        expoEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return (p==0) ? firstNum : c * Math.pow(2, 10 * (p - 1)) + firstNum - c * 0.001;
        },
        
        expoEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return (p==1) ? c : diff * 1.001 * (-Math.pow(2, -10 * p) + 1) + firstNum;
        },
        
        expoEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if (p==0) return firstNum;
            if (p==1) return c;
            
            if ((p/=0.5) < 1) 
                return c/2 * Math.pow(2, 10 * (p - 1)) + firstNum - c * 0.0005;
            else
                return c/2 * 1.0005 * (-Math.pow(2, -10 * --p) + 2) + firstNum;
        },
        
        // ******* quad
        quadEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*(p/=1)*p + firstNum;
        },
        
        quadEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return -c *(p/=1)*(p-2) + firstNum;
        },
        
        quadEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if ((p/=0.5) < 1)
                return c/2*p*p + firstNum;
            else
                return -c/2 * ((--p)*(p-2) - 1) + firstNum;
        },

        // ******* quart
        quartEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*(p/=1)*p*p*p + firstNum;
        },
        
        quartEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return -c * ((p=p/1-1)*p*p*p - 1) + firstNum;
        },
        
        quartEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if ((p/=0.5) < 1) 
                return c/2*p*p*p*p + firstNum;
            else
                return -c/2 * ((p-=2)*p*p*p - 2) + firstNum;
        },
        
        // ******* quint
        quintEaseIn:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*(p/=1)*p*p*p*p + firstNum;
        },
        
        quintEaseOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            return c*((p=p/1-1)*p*p*p*p + 1) + firstNum;
        },
        
        quintEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            
            if ((p/=0.5) < 1)
                return c/2*p*p*p*p*p + firstNum;
            else
                return c/2*((p-=2)*p*p*p*p + 2) + firstNum;
        },
        
        // *******  sine
        sineEaseIn:function(p, n, firstNum, diff) {
            
            var c=firstNum+diff;
            return -c * Math.cos(p * (Math.PI/2)) +c + firstNum; 
        },
        
        sineEaseOut:function(p, n, firstNum, diff) {
            
            var c=firstNum+diff;
            return c * Math.sin(p * (Math.PI/2)) + firstNum;
        },
        
        sineEaseInOut:function(p, n, firstNum, diff) {

            var c=firstNum+diff;
            return -c/2 * (Math.cos(Math.PI*p) - 1) + firstNum;
        }
});

/*
 *
 * 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. 
 *
 */
