1. /*
2.  * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
3.  *
4.  * Uses the built in easing capabilities added In jQuery 1.1
5.  * to offer multiple easing options
6.  *
7.  * TERMS OF USE - jQuery Easing
8.  *
9.  * Open source under the BSD License.
10.  *
11.  * Copyright � 2008 George McGinley Smith
12.  * All rights reserved.
13.  *
14.  * Redistribution and use in source and binary forms, with or without modification,
15.  * are permitted provided that the following conditions are met:
16.  *
17.  * Redistributions of source code must retain the above copyright notice, this list of
18.  * conditions and the following disclaimer.
19.  * Redistributions in binary form must reproduce the above copyright notice, this list
20.  * of conditions and the following disclaimer in the documentation and/or other materials
21.  * provided with the distribution.
22.  *
23.  * Neither the name of the author nor the names of contributors may be used to endorse
24.  * or promote products derived from this software without specific prior written permission.
25.  *
26.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
27.  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28.  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29.  *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30.  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
31.  *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
32.  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33.  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34.  * OF THE POSSIBILITY OF SUCH DAMAGE.
35.  *
36. */
37.  
38. // t: current time, b: begInnIng value, c: change In value, d: duration
39. jQuery.easing['jswing'] = jQuery.easing['swing'];
40.  
41. jQuery.extend( jQuery.easing,
42. {
43.         def: 'easeOutQuad',
44.         swing: function (x, t, b, c, d) {
45.                 //alert(jQuery.easing.default);
46.                 return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
47.         },
48.         easeInQuad: function (x, t, b, c, d) {
49.                 return c*(t/=d)*t + b;
50.         },
51.         easeOutQuad: function (x, t, b, c, d) {
52.                 return -c *(t/=d)*(t-2) + b;
53.         },
54.         easeInOutQuad: function (x, t, b, c, d) {
55.                 if ((t/=d/2) < 1) return c/2*t*t + b;
56.                 return -c/2 * ((--t)*(t-2) - 1) + b;
57.         },
58.         easeInCubic: function (x, t, b, c, d) {
59.                 return c*(t/=d)*t*t + b;
60.         },
61.         easeOutCubic: function (x, t, b, c, d) {
62.                 return c*((t=t/d-1)*t*t + 1) + b;
63.         },
64.         easeInOutCubic: function (x, t, b, c, d) {
65.                 if ((t/=d/2) < 1) return c/2*t*t*t + b;
66.                 return c/2*((t-=2)*t*t + 2) + b;
67.         },
68.         easeInQuart: function (x, t, b, c, d) {
69.                 return c*(t/=d)*t*t*t + b;
70.         },
71.         easeOutQuart: function (x, t, b, c, d) {
72.                 return -c * ((t=t/d-1)*t*t*t - 1) + b;
73.         },
74.         easeInOutQuart: function (x, t, b, c, d) {
75.                 if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
76.                 return -c/2 * ((t-=2)*t*t*t - 2) + b;
77.         },
78.         easeInQuint: function (x, t, b, c, d) {
79.                 return c*(t/=d)*t*t*t*t + b;
80.         },
81.         easeOutQuint: function (x, t, b, c, d) {
82.                 return c*((t=t/d-1)*t*t*t*t + 1) + b;
83.         },
84.         easeInOutQuint: function (x, t, b, c, d) {
85.                 if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
86.                 return c/2*((t-=2)*t*t*t*t + 2) + b;
87.         },
88.         easeInSine: function (x, t, b, c, d) {
89.                 return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
90.         },
91.         easeOutSine: function (x, t, b, c, d) {
92.                 return c * Math.sin(t/d * (Math.PI/2)) + b;
93.         },
94.         easeInOutSine: function (x, t, b, c, d) {
95.                 return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
96.         },
97.         easeInExpo: function (x, t, b, c, d) {
98.                 return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
99.         },
100.         easeOutExpo: function (x, t, b, c, d) {
101.                 return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
102.         },
103.         easeInOutExpo: function (x, t, b, c, d) {
104.                 if (t==0) return b;
105.                 if (t==d) return b+c;
106.                 if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
107.                 return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
108.         },
109.         easeInCirc: function (x, t, b, c, d) {
110.                 return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
111.         },
112.         easeOutCirc: function (x, t, b, c, d) {
113.                 return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
114.         },
115.         easeInOutCirc: function (x, t, b, c, d) {
116.                 if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
117.                 return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
118.         },
119.         easeInElastic: function (x, t, b, c, d) {
120.                 var s=1.70158;var p=0;var a=c;
121.                 if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
122.                 if (a < Math.abs(c)) { a=c; var s=p/4; }
123.                 else var s = p/(2*Math.PI) * Math.asin (c/a);
124.                 return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
125.         },
126.         easeOutElastic: function (x, t, b, c, d) {
127.                 var s=1.70158;var p=0;var a=c;
128.                 if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
129.                 if (a < Math.abs(c)) { a=c; var s=p/4; }
130.                 else var s = p/(2*Math.PI) * Math.asin (c/a);
131.                 return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
132.         },
133.         easeInOutElastic: function (x, t, b, c, d) {
134.                 var s=1.70158;var p=0;var a=c;
135.                 if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
136.                 if (a < Math.abs(c)) { a=c; var s=p/4; }
137.                 else var s = p/(2*Math.PI) * Math.asin (c/a);
138.                 if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
139.                 return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
140.         },
141.         easeInBack: function (x, t, b, c, d, s) {
142.                 if (s == undefined) s = 1.70158;
143.                 return c*(t/=d)*t*((s+1)*t - s) + b;
144.         },
145.         easeOutBack: function (x, t, b, c, d, s) {
146.                 if (s == undefined) s = 1.70158;
147.                 return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
148.         },
149.         easeInOutBack: function (x, t, b, c, d, s) {
150.                 if (s == undefined) s = 1.70158;
151.                 if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
152.                 return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
153.         },
154.         easeInBounce: function (x, t, b, c, d) {
155.                 return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
156.         },
157.         easeOutBounce: function (x, t, b, c, d) {
158.                 if ((t/=d) < (1/2.75)) {
159.                         return c*(7.5625*t*t) + b;
160.                 } else if (t < (2/2.75)) {
161.                         return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
162.                 } else if (t < (2.5/2.75)) {
163.                         return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
164.                 } else {
165.                         return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
166.                 }
167.         },
168.         easeInOutBounce: function (x, t, b, c, d) {
169.                 if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
170.                 return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
171.         }
172. });
173.  
174. /*
175.  *
176.  * TERMS OF USE - EASING EQUATIONS
177.  *
178.  * Open source under the BSD License.
179.  *
180.  * Copyright � 2001 Robert Penner
181.  * All rights reserved.
182.  *
183.  * Redistribution and use in source and binary forms, with or without modification,
184.  * are permitted provided that the following conditions are met:
185.  *
186.  * Redistributions of source code must retain the above copyright notice, this list of
187.  * conditions and the following disclaimer.
188.  * Redistributions in binary form must reproduce the above copyright notice, this list
189.  * of conditions and the following disclaimer in the documentation and/or other materials
190.  * provided with the distribution.
191.  *
192.  * Neither the name of the author nor the names of contributors may be used to endorse
193.  * or promote products derived from this software without specific prior written permission.
194.  *
195.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
196.  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
197.  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
198.  *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
199.  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
200.  *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
201.  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
202.  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
203.  * OF THE POSSIBILITY OF SUCH DAMAGE.
204.  *
205.  */