ÿþ/*

* 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;

    }

});



/*

*

* 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. 

*

*/