/*
* 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.
*
*/ 
