/*
JS that glue stuff together
*/

jQuery(document).ready(function() {
  // get the action filter option item on page load
  var filterType = jQuery('#plugin-categories-list li.active a').attr('class');
  // get and assign the ourHolder element to the
  // holder varible for use later
  var holder = jQuery('#availableplugins');
  // clone all items within the pre-assigned holder element
  var data = holder.clone();
  var filteredData = data.find('div.available-plugin');

  filter_plugins_cats(wmd_pl_a.show_category);
  filter_plugins_status('all');

  jQuery('#plugin-categories-list li a').click(function(e) {
    e.preventDefault();

    var filterType = jQuery(this).attr('class');
    filter_plugins_cats(filterType);

    return false;
  });

  jQuery('#toplevel_page_pretty-plugins li a').click(function(e) {
    e.preventDefault();

    var filterType = get_url_parameter(jQuery(this).attr('href'));
    if(typeof filterType['category'] === "undefined")
      filterType = 'all';
    else
      filterType = filterType['category'];

    filter_plugins_cats(filterType);

    return false;
  });

  jQuery('#plugin-status-list li a').click(function(e) {
    e.preventDefault();

    var filterType = jQuery(this).attr("class");
    filter_plugins_status(filterType);

    return false;
  });

  jQuery("#theme-search-input").on('keyup click', function(){
    if(typeof delay_search != 'undefined')
      clearTimeout(delay_search);

    var filterSearch = jQuery(this).val();

    delay_search = setTimeout(function() {
      search_plugins(filterSearch);
    }, 400)
  });

  function search_plugins(filterSearch) {
    var filteredDataTemp = jQuery(document.createElement('div')).append(filteredData.clone());
    // Loop through the comment list
    filteredDataTemp.find('.available-plugin').each(function(){
      if(jQuery(this).find('h3').text().search(new RegExp(filterSearch, "i")) < 0)
        filteredDataTemp.find("div[data-id='"+jQuery(this).attr('data-id')+"']").remove();
    });

    check_if_plugins_found(filteredDataTemp.find('.available-plugin'));
    // call quicksand and assign transition parameters
    holder.quicksand(
      filteredDataTemp.find('.available-plugin'),
      function() { // callback function
        activate_plugins_links_js();
        check_if_plugins_found(filteredDataTemp.find('.available-plugin'));
      }
    );
  }

  function filter_plugins_cats(filterType) {
    jQuery('#plugin-categories-list li').removeClass('active');
    jQuery('#toplevel_page_pretty-plugins li').removeClass('current');

    var currentStatus = jQuery('#plugin-status-list li.active a').attr('class');
    if (typeof currentStatus === "undefined")
      currentStatus = 'all';

    if (filterType == 'all' || filterType == 'All') {
      if(currentStatus == 'all')
        filteredData = data.find('div.available-plugin');
      else
        filteredData = data.find('div.available-plugin[data-type~="'+ currentStatus +'"]');

      jQuery('#toplevel_page_pretty-plugins li a.current').parent().addClass('current');
      jQuery('#plugin-categories-list a.all').parent().addClass('active');
    }
    else {
      if(currentStatus == 'all')
        filteredData = data.find('div.available-plugin[data-type~="' + filterType + '"]');
      else
        filteredData = data.find('div.available-plugin[data-type~="' + filterType + '"][data-type~="'+ currentStatus +'"]');

      jQuery('#toplevel_page_pretty-plugins li a[href$="category\\='+filterType+'"]').parent().addClass('current');
      jQuery('#plugin-categories-list a.'+filterType).parent().addClass('active');
    }

    display_results(filteredData);
  }

  function filter_plugins_status(filterType) {
    jQuery('#plugin-status-list li').removeClass('active');

    var currentCategory = jQuery('#plugin-categories-list li.active a').attr('class');
    if (typeof currentStatus === "undefined")
      currentStatus = 'all';

    if (filterType == 'all' || filterType == 'All') {
      if(currentCategory == 'all')
        filteredData = data.find('div.available-plugin');
      else
        filteredData = data.find('div.available-plugin[data-type~="'+ currentCategory +'"]');

      jQuery('#plugin-status-list a.all').parent().addClass('active');
    }
    else {
      if(currentCategory == 'all')
        filteredData = data.find('div.available-plugin[data-type~="' + filterType + '"]');
      else
        filteredData = data.find('div.available-plugin[data-type~="' + filterType + '"][data-type~="'+ currentCategory +'"]');

      jQuery('#plugin-status-list a.'+filterType).parent().addClass('active');
    }

    display_results(filteredData);
  }

  function display_results(plugins_found) {
    var search_value = jQuery("#theme-search-input").val();
    if(search_value != '')
      search_plugins(search_value);
    else {
      // call quicksand and assign transition parameters
      check_if_plugins_found(plugins_found);
      holder.quicksand(
        plugins_found,
        function() { // callback function
          activate_plugins_links_js();
          check_if_plugins_found(plugins_found);
        }
      );
    }
  }

  function activate_plugins_links_js() {
    jQuery('a.plugin-details').click(function(e) {
        e.preventDefault();
        jQuery(this).parents('.available-plugin-inner').find('.themedetaildiv').toggle();
    });
    //image hover effect
    jQuery('a.activate-deactivate').hover(
      function () {
        jQuery(this).closest('.available-plugin-inner').find('a.screenshot').addClass("active");
      },
      function () {
        jQuery(this).closest('.available-plugin-inner').find('a.screenshot').removeClass("active");
      }
    );
  }

  //image hover effect
  function check_if_plugins_found(plugins_found) {
    if(plugins_found.length == 0) {
      jQuery('.no-plugins-found').fadeIn('fast');
    }
    else {
      jQuery('.no-plugins-found').fadeOut('fast');
    }
  }

  //get parameter of url
  function get_url_parameter(url){
    var vars = [], hash;
    var hashes = url.slice(url.indexOf('?') + 1).split('&');
    for(var i = 0; i < hashes.length; i++)
    {
      hash = hashes[i].split('=');
      vars.push(hash[0]);
      vars[hash[0]] = hash[1];
    }
    return vars;
  }

});

/*

Quicksand 1.3

Reorder and filter items with a nice shuffling animation.

Copyright (c) 2010 Jacek Galanciak (razorjack.net) and agilope.com
Big thanks for Piotr Petrus (riddle.pl) for deep code review and wonderful docs & demos.

Dual licensed under the MIT and GPL version 2 licenses.
http://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt
http://github.com/jquery/jquery/blob/master/GPL-LICENSE.txt

Project site: http://razorjack.net/quicksand
Github site: http://github.com/razorjack/quicksand

 */

(function($) {
  $.fn.quicksand = function(collection, customOptions) {
    var options = {
      duration : 600,
      easing : 'swing',
      attribute : 'data-id',        // attribute to recognize same items within source and dest
      adjustHeight : 'false',        // 'dynamic' animates height during shuffling (slow), 'auto' adjusts it
                                    // before or after the animation, false leaves height constant
      adjustWidth : 'false',         // 'dynamic' animates width during shuffling (slow),
                                    // 'auto' adjusts it before or after the animation, false leaves width constant
      useScaling : false,           // enable it if you're using scaling effect
      enhancement : function(c) {}, // Visual enhacement (eg. font replacement) function for cloned elements
      selector : '> *',
      atomic : false,
      dx : 0,
      dy : 0,
      maxWidth : 0,
      retainExisting : false         // disable if you want the collection of items to be replaced completely by incoming items.
    };
    $.extend(options, customOptions);

    // Got IE and want scaling effect? Kiss my ass.
    if (navigator.userAgent.match(/msie/i) || (typeof ($.fn.scale) == 'undefined')) {
      options.useScaling = false;
    }

    var callbackFunction;
    if (typeof (arguments[1]) == 'function') {
      callbackFunction = arguments[1];
    } else if (typeof (arguments[2] == 'function')) {
      callbackFunction = arguments[2];
    }

    return this.each(function(i) {
      var val;
      var animationQueue = []; // used to store all the animation params before starting the animation;
      // solves initial animation slowdowns
      var $collection;
      if (typeof(options.attribute) == 'function') {
        $collection = $(collection);
      } else {
        $collection = $(collection).filter('[' + options.attribute + ']').clone(); // destination (target) collection
      }
      var $sourceParent = $(this); // source, the visible container of source collection
      var sourceHeight = $(this).css('height'); // used to keep height and document flow during the animation
      var sourceWidth = $(this).css('width'); // used to keep  width and document flow during the animation
      var destHeight, destWidth;
      var adjustHeightOnCallback = false;
      var adjustWidthOnCallback = false;
      var offset = $($sourceParent).offset(); // offset of visible container, used in animation calculations
      var offsets = []; // coordinates of every source collection item
      var $source = $(this).find(options.selector); // source collection items
      var width = $($source).innerWidth(); // need for the responsive design

      // Replace the collection and quit if IE6
      if (navigator.userAgent.match(/msie/i) && navigator.userAgent.match(/6/)) {
        $sourceParent.html('').append($collection);
        return;
      }

      // Gets called when any animation is finished
      var postCallbackPerformed = 0; // prevents the function from being called more than one time
      var postCallback = function() {
        $(this).css('margin', '').css('position', '').css('top', '').css('left', '').css('opacity', '');
        if (!postCallbackPerformed) {
          postCallbackPerformed = 1;

          if (!options.atomic) {
            // hack: used to be: $sourceParent.html($dest.html());
            // put target HTML into visible source container
            // but new webkit builds cause flickering when replacing the collections
            var $toDelete = $sourceParent.find(options.selector);
            if (!options.retainExisting) {
              $sourceParent.prepend($dest.find(options.selector));
              $toDelete.remove();
            } else {
              // Avoid replacing elements because we may have already altered items in significant
              // ways and it would be bad to have to do it again. (i.e. lazy load images)
              // But $dest holds the correct ordering. So we must re-sequence items in $sourceParent to match.
              var $keepElements = $([]);
              $dest.find(options.selector).each(function(i) {
                var $matchedElement = $([]);
                if (typeof (options.attribute) == 'function') {
                  var val = options.attribute($(this));
                  $toDelete.each(function() {
                    if (options.attribute(this) == val) {
                      $matchedElement = $(this);
                      return false;
                    }
                  });
                } else {
                  $matchedElement = $toDelete.filter(
                    '[' + options.attribute + '="'+
                    $(this).attr(options.attribute) + '"]');
                }
                if ($matchedElement.length > 0) {
                  // There is a matching element in the $toDelete list and in $dest
                  // list, so make sure it is in the right location within $sourceParent
                  // and put it in the list of elements we need to not delete.
                  $keepElements = $keepElements.add($matchedElement);
                  if (i === 0) {
                    $sourceParent.prepend($matchedElement);
                  } else {
                    $matchedElement.insertAfter($sourceParent.find(options.selector).get(i - 1));
                  }
                }
              });
              // Remove whatever is remaining from the DOM
              $toDelete.not($keepElements).remove();
            }

            if (adjustHeightOnCallback) {
              $sourceParent.css('height', destHeight);
            }
            if (adjustWidthOnCallback) {
              $sourceParent.css('width', sourceWidth);
            }
          }
          options.enhancement($sourceParent); // Perform custom visual enhancements on a newly replaced collection
          if (typeof callbackFunction == 'function') {
            callbackFunction.call(this);
          }
        }

        if (false === options.adjustHeight) {
          $sourceParent.css('height', 'auto');
        }

        if (false === options.adjustWidth) {
          $sourceParent.css('width', 'auto');
        }
      };

      // Position: relative situations
      var $correctionParent = $sourceParent.offsetParent();
      var correctionOffset = $correctionParent.offset();
      if ($correctionParent.css('position') == 'relative') {
        if ($correctionParent.get(0).nodeName.toLowerCase() != 'body') {
          correctionOffset.top += (parseFloat($correctionParent.css('border-top-width')) || 0);
          correctionOffset.left += (parseFloat($correctionParent.css('border-left-width')) || 0);
        }
      } else {
        correctionOffset.top -= (parseFloat($correctionParent.css('border-top-width')) || 0);
        correctionOffset.left -= (parseFloat($correctionParent.css('border-left-width')) || 0);
        correctionOffset.top -= (parseFloat($correctionParent.css('margin-top')) || 0);
        correctionOffset.left -= (parseFloat($correctionParent.css('margin-left')) || 0);
      }

      // perform custom corrections from options (use when Quicksand fails to detect proper correction)
      if (isNaN(correctionOffset.left)) {
        correctionOffset.left = 0;
      }
      if (isNaN(correctionOffset.top)) {
        correctionOffset.top = 0;
      }

      correctionOffset.left -= options.dx;
      correctionOffset.top -= options.dy;

      // keeps nodes after source container, holding their position
      $sourceParent.css('height', $(this).height());
      $sourceParent.css('width', $(this).width());

      // get positions of source collections
      $source.each(function(i) {
        offsets[i] = $(this).offset();
      });

      // stops previous animations on source container
      $(this).stop();
      var dx = 0;
      var dy = 0;
      $source.each(function(i) {
        $(this).stop(); // stop animation of collection items
        var rawObj = $(this).get(0);
        if (rawObj.style.position == 'absolute') {
          dx = -options.dx;
          dy = -options.dy;
        } else {
          dx = options.dx;
          dy = options.dy;
        }

        rawObj.style.position = 'absolute';
        rawObj.style.margin = '0';

        if (!options.adjustWidth) {
          rawObj.style.width = (width + 'px'); // sets the width to the current element
          // with even if it has been changed
          // by a responsive design
        }

        rawObj.style.top = (offsets[i].top- parseFloat(rawObj.style.marginTop) - correctionOffset.top + dy) + 'px';
        rawObj.style.left = (offsets[i].left- parseFloat(rawObj.style.marginLeft) - correctionOffset.left + dx) + 'px';

        if (options.maxWidth > 0 && offsets[i].left > options.maxWidth) {
          rawObj.style.display = 'none';
        }
      });

      // create temporary container with destination collection
      var $dest = $($sourceParent).clone();
      var rawDest = $dest.get(0);
      rawDest.innerHTML = '';
      rawDest.setAttribute('id', '');
      rawDest.style.height = 'auto';
      rawDest.style.width = $sourceParent.width() + 'px';
      $dest.append($collection);
      // Inserts node into HTML. Note that the node is under visible source container in the exactly same position
      // The browser render all the items without showing them (opacity: 0.0) No offset calculations are needed,
      // the browser just extracts position from underlayered destination items and sets animation to destination positions.
      $dest.insertBefore($sourceParent);
      $dest.css('opacity', 0.0);
      rawDest.style.zIndex = -1;

      rawDest.style.margin = '0';
      rawDest.style.position = 'absolute';
      rawDest.style.top = offset.top - correctionOffset.top + 'px';
      rawDest.style.left = offset.left - correctionOffset.left + 'px';

      if (options.adjustHeight === 'dynamic') {
        // If destination container has different height than source container the height can be animated,
        // adjusting it to destination height
        $sourceParent.animate({ height : $dest.height() }, options.duration, options.easing);
      } else if (options.adjustHeight === 'auto') {
        destHeight = $dest.height();
        if (parseFloat(sourceHeight) < parseFloat(destHeight)) {
          // Adjust the height now so that the items don't move out of the container
          $sourceParent.css('height', destHeight);
        } else {
          // Adjust later, on callback
          adjustHeightOnCallback = true;
        }
      }

      if (options.adjustWidth === 'dynamic') {
        // If destination container has different width than source container the width can be animated,
        // adjusting it to destination width
        $sourceParent.animate({ width : $dest.width() }, options.duration, options.easing);
      } else if (options.adjustWidth === 'auto') {
        destWidth = $dest.width();
        if (parseFloat(sourceWidth) < parseFloat(destWidth)) {
          // Adjust the height now so that the items don't move out of the container
          $sourceParent.css('width', destWidth);
        } else {
          // Adjust later, on callback
          adjustWidthOnCallback = true;
        }
      }

      // Now it's time to do shuffling animation. First of all, we need to identify same elements within
      // source and destination collections
      $source.each(function(i) {
        var destElement = [];
        if (typeof (options.attribute) == 'function') {
          val = options.attribute($(this));
          $collection.each(function() {
            if (options.attribute(this) == val) {
              destElement = $(this);
              return false;
            }
          });
        } else {
          destElement = $collection.filter('[' + options.attribute + '="' + $(this).attr(options.attribute) + '"]');
        }
        if (destElement.length) {
          // The item is both in source and destination collections. It it's under different position, let's move it
          if (!options.useScaling) {
            animationQueue.push({
              element : $(this), dest : destElement,
              style : {
                top : $(this).offset().top,
                left : $(this).offset().left,
                opacity : ""
              },
              animation : {
                top : destElement.offset().top - correctionOffset.top,
                left : destElement.offset().left - correctionOffset.left,
                opacity : 1.0
              }
            });
          } else {
            animationQueue.push({
              element : $(this), dest : destElement,
              style : {
                top : $(this).offset().top,
                left : $(this).offset().left,
                opacity : ""
              },
              animation : {
                top : destElement.offset().top - correctionOffset.top,
                left : destElement.offset().left - correctionOffset.left,
                opacity : 1.0,
                scale : '1.0'
              }
            });
          }
        } else {
          // The item from source collection is not present in destination collections.  Let's remove it
          if (!options.useScaling) {
            animationQueue.push({
              element : $(this),
              style : {
                top : $(this).offset().top,
                left : $(this).offset().left,
                opacity : ""
              },
              animation : {
                opacity : '0.0'
              }
            });
          } else {
            animationQueue.push({
              element : $(this),
              animation : {
                opacity : '0.0',
                style : {
                  top : $(this).offset().top,
                  left : $(this).offset().left,
                  opacity : ""
                },
                scale : '0.0'
              }
            });
          }
        }
      });

      $collection.each(function(i) {
        // Grab all items from target collection not present in visible source collection
        var sourceElement = [];
        var destElement = [];
        if (typeof (options.attribute) == 'function') {
          val = options.attribute($(this));
          $source.each(function() {
            if (options.attribute(this) == val) {
              sourceElement = $(this);
              return false;
            }
          });

          $collection.each(function() {
            if (options.attribute(this) == val) {
              destElement = $(this);
              return false;
            }
          });
        } else {
          sourceElement = $source.filter('[' + options.attribute + '="' + $(this).attr(options.attribute) + '"]');
          destElement = $collection.filter('[' + options.attribute + '="' + $(this).attr(options.attribute) + '"]');
        }

        var animationOptions;
        if (sourceElement.length === 0 && destElement.length > 0) {

          // No such element in source collection...
          if (!options.useScaling) {
            animationOptions = {opacity : '1.0'};
          } else {
            animationOptions = {opacity : '1.0', scale : '1.0'};
          }

          // Let's create it
          var d = destElement.clone();
          var rawDestElement = d.get(0);
          rawDestElement.style.position = 'absolute';
          rawDestElement.style.margin = '0';

          if (!options.adjustWidth) {
            // sets the width to the current element with even if it has been changed by a responsive design
            rawDestElement.style.width = width + 'px';
          }

          rawDestElement.style.top = destElement.offset().top - correctionOffset.top + 'px';
          rawDestElement.style.left = destElement.offset().left - correctionOffset.left + 'px';

          d.css('opacity', 0.0); // IE

          if (options.useScaling) {
            d.css('transform', 'scale(0.0)');
          }
          d.appendTo($sourceParent);

          if (options.maxWidth === 0 || destElement.offset().left < options.maxWidth) {
            animationQueue.push({element : $(d), dest : destElement,animation : animationOptions});
          }
        }
      });

      $dest.remove();
      if (!options.atomic) {
        options.enhancement($sourceParent); // Perform custom visual enhancements during the animation
        for (i = 0; i < animationQueue.length; i++) {
          animationQueue[i].element.animate(animationQueue[i].animation, options.duration, options.easing, postCallback);
        }
      } else {
        $toDelete = $sourceParent.find(options.selector);
        $sourceParent.prepend($dest.find(options.selector));
        for (i = 0; i < animationQueue.length; i++) {
          if (animationQueue[i].dest && animationQueue[i].style) {
            var destElement = animationQueue[i].dest;
            var destOffset = destElement.offset();

            destElement.css({
              position : 'relative',
              top : (animationQueue[i].style.top - destOffset.top),
              left : (animationQueue[i].style.left - destOffset.left)
            });

            destElement.animate({top : "0", left : "0"},
                                options.duration,
                                options.easing,
                                postCallback);
          } else {
            animationQueue[i].element.animate(animationQueue[i].animation,
                                              options.duration,
                                              options.easing,
                                              postCallback);
          }
        }
        $toDelete.remove();
      }
    });
  };
})(jQuery);

/*
 * 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.
 *
 */