text: /*
  
  Copyright 2012 Igor Vaynberg
  
  
  
  Version: 3.5.2 Timestamp: Sat Nov  1 14:43:36 EDT 2014
  
  
  
  This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
  
  General Public License version 2 (the "GPL License"). You may choose either license to govern your
  
  use of this software only upon the condition that you accept all of the terms of either the Apache
  
  License or the GPL License.
  
  
  
  You may obtain a copy of the Apache License and the GPL License at:
  
  
  
      http://www.apache.org/licenses/LICENSE-2.0
  
      http://www.gnu.org/licenses/gpl-2.0.html
  
  
  
  Unless required by applicable law or agreed to in writing, software distributed under the
  
  Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  
  CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
  
  the specific language governing permissions and limitations under the Apache License and the GPL License.
  
  */
  
  (function ($) {
  
      if(typeof $.fn.each2 == "undefined") {
  
          $.extend($.fn, {
  
              /*
  
              * 4-10 times faster .each replacement
  
              * use it carefully, as it overrides jQuery context of element on each iteration
  
              */
  
              each2 : function (c) {
  
                  var j = $([0]), i = -1, l = this.length;
  
                  while (
  
                      ++i < l
  
                      && (j.context = j[0] = this[i])
  
                      && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
  
                  );
  
                  return this;
  
              }
  
          });
  
      }
  
  })(jQuery);
  
  
  
  (function ($, undefined) {
  
      "use strict";
  
      /*global document, window, jQuery, console */
  
  
  
      if (window.Select2 !== undefined) {
  
          return;
  
      }
  
  
  
      var AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
  
          lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
  
  
  
      KEY = {
  
          TAB: 9,
  
          ENTER: 13,
  
          ESC: 27,
  
          SPACE: 32,
  
          LEFT: 37,
  
          UP: 38,
  
          RIGHT: 39,
  
          DOWN: 40,
  
          SHIFT: 16,
  
          CTRL: 17,
  
          ALT: 18,
  
          PAGE_UP: 33,
  
          PAGE_DOWN: 34,
  
          HOME: 36,
  
          END: 35,
  
          BACKSPACE: 8,
  
          DELETE: 46,
  
          isArrow: function (k) {
  
              k = k.which ? k.which : k;
  
              switch (k) {
  
              case KEY.LEFT:
  
              case KEY.RIGHT:
  
              case KEY.UP:
  
              case KEY.DOWN:
  
                  return true;
  
              }
  
              return false;
  
          },
  
          isControl: function (e) {
  
              var k = e.which;
  
              switch (k) {
  
              case KEY.SHIFT:
  
              case KEY.CTRL:
  
              case KEY.ALT:
  
                  return true;
  
              }
  
  
  
              if (e.metaKey) return true;
  
  
  
              return false;
  
          },
  
          isFunctionKey: function (k) {
  
              k = k.which ? k.which : k;
  
              return k >= 112 && k <= 123;
  
          }
  
      },
  
      MEASURE_SCROLLBAR_TEMPLATE = "<div class='custom-select-measure-scrollbar'></div>",
  
  
  
      DIACRITICS = 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 
  
  
      $document = $(document);
  
  
  
      nextUid=(function() { var counter=1; return function() { return counter++; }; }());
  
  
  
  
  
      function reinsertElement(element) {
  
          var placeholder = $(document.createTextNode(''));
  
  
  
          element.before(placeholder);
  
          placeholder.before(element);
  
          placeholder.remove();
  
      }
  
  
  
      function stripDiacritics(str) {
  
          // Used 'uni range + named function' from http://jsperf.com/diacritics/18
  
          function match(a) {
  
              return DIACRITICS[a] || a;
  
          }
  
  
  
          return str.replace(/[^\u0000-\u007E]/g, match);
  
      }
  
  
  
      function indexOf(value, array) {
  
          var i = 0, l = array.length;
  
          for (; i < l; i = i + 1) {
  
              if (equal(value, array[i])) return i;
  
          }
  
          return -1;
  
      }
  
  
  
      function measureScrollbar () {
  
          var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
  
          $template.appendTo(document.body);
  
  
  
          var dim = {
  
              width: $template.width() - $template[0].clientWidth,
  
              height: $template.height() - $template[0].clientHeight
  
          };
  
          $template.remove();
  
  
  
          return dim;
  
      }
  
  
  
      /**
  
       * Compares equality of a and b
  
       * @param a
  
       * @param b
  
       */
  
      function equal(a, b) {
  
          if (a === b) return true;
  
          if (a === undefined || b === undefined) return false;
  
          if (a === null || b === null) return false;
  
          // Check whether 'a' or 'b' is a string (primitive or object).
  
          // The concatenation of an empty string (+'') converts its argument to a string's primitive.
  
          if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
  
          if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
  
          return false;
  
      }
  
  
  
      /**
  
       * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty
  
       * strings
  
       * @param string
  
       * @param separator
  
       */
  
      function splitVal(string, separator, transform) {
  
          var val, i, l;
  
          if (string === null || string.length < 1) return [];
  
          val = string.split(separator);
  
          for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]);
  
          return val;
  
      }
  
  
  
      function getSideBorderPadding(element) {
  
          return element.outerWidth(false) - element.width();
  
      }
  
  
  
      function installKeyUpChangeEvent(element) {
  
          var key="keyup-change-value";
  
          element.on("keydown", function () {
  
              if ($.data(element, key) === undefined) {
  
                  $.data(element, key, element.val());
  
              }
  
          });
  
          element.on("keyup", function () {
  
              var val= $.data(element, key);
  
              if (val !== undefined && element.val() !== val) {
  
                  $.removeData(element, key);
  
                  element.trigger("keyup-change");
  
              }
  
          });
  
      }
  
  
  
  
  
      /**
  
       * filters mouse events so an event is fired only if the mouse moved.
  
       *
  
       * filters out mouse events that occur when mouse is stationary but
  
       * the elements under the pointer are scrolled.
  
       */
  
      function installFilteredMouseMove(element) {
  
          element.on("mousemove", function (e) {
  
              var lastpos = lastMousePosition;
  
              if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
  
                  $(e.target).trigger("mousemove-filtered", e);
  
              }
  
          });
  
      }
  
  
  
      /**
  
       * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
  
       * within the last quietMillis milliseconds.
  
       *
  
       * @param quietMillis number of milliseconds to wait before invoking fn
  
       * @param fn function to be debounced
  
       * @param ctx object to be used as this reference within fn
  
       * @return debounced version of fn
  
       */
  
      function debounce(quietMillis, fn, ctx) {
  
          ctx = ctx || undefined;
  
          var timeout;
  
          return function () {
  
              var args = arguments;
  
              window.clearTimeout(timeout);
  
              timeout = window.setTimeout(function() {
  
                  fn.apply(ctx, args);
  
              }, quietMillis);
  
          };
  
      }
  
  
  
      function installDebouncedScroll(threshold, element) {
  
          var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
  
          element.on("scroll", function (e) {
  
              if (indexOf(e.target, element.get()) >= 0) notify(e);
  
          });
  
      }
  
  
  
      function focus($el) {
  
          if ($el[0] === document.activeElement) return;
  
  
  
          /* set the focus in a 0 timeout - that way the focus is set after the processing
  
              of the current event has finished - which seems like the only reliable way
  
              to set focus */
  
          window.setTimeout(function() {
  
              var el=$el[0], pos=$el.val().length, range;
  
  
  
              $el.focus();
  
  
  
              /* make sure el received focus so we do not error out when trying to manipulate the caret.
  
                  sometimes modals or others listeners may steal it after its set */
  
              var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
  
              if (isVisible && el === document.activeElement) {
  
  
  
                  /* after the focus is set move the caret to the end, necessary when we val()
  
                      just before setting focus */
  
                  if(el.setSelectionRange)
  
                  {
  
                      el.setSelectionRange(pos, pos);
  
                  }
  
                  else if (el.createTextRange) {
  
                      range = el.createTextRange();
  
                      range.collapse(false);
  
                      range.select();
  
                  }
  
              }
  
          }, 0);
  
      }
  
  
  
      function getCursorInfo(el) {
  
          el = $(el)[0];
  
          var offset = 0;
  
          var length = 0;
  
          if ('selectionStart' in el) {
  
              offset = el.selectionStart;
  
              length = el.selectionEnd - offset;
  
          } else if ('selection' in document) {
  
              el.focus();
  
              var sel = document.selection.createRange();
  
              length = document.selection.createRange().text.length;
  
              sel.moveStart('character', -el.value.length);
  
              offset = sel.text.length - length;
  
          }
  
          return { offset: offset, length: length };
  
      }
  
  
  
      function killEvent(event) {
  
          event.preventDefault();
  
          event.stopPropagation();
  
      }
  
      function killEventImmediately(event) {
  
          event.preventDefault();
  
          event.stopImmediatePropagation();
  
      }
  
  
  
      function measureTextWidth(e) {
  
          if (!sizer){
  
              var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
  
              sizer = $(document.createElement("div")).css({
  
                  position: "absolute",
  
                  left: "-10000px",
  
                  top: "-10000px",
  
                  display: "none",
  
                  fontSize: style.fontSize,
  
                  fontFamily: style.fontFamily,
  
                  fontStyle: style.fontStyle,
  
                  fontWeight: style.fontWeight,
  
                  letterSpacing: style.letterSpacing,
  
                  textTransform: style.textTransform,
  
                  whiteSpace: "nowrap"
  
              });
  
              sizer.attr("class","custom-select-sizer");
  
              $(document.body).append(sizer);
  
          }
  
          sizer.text(e.val());
  
          return sizer.width();
  
      }
  
  
  
      function syncCssClasses(dest, src, adapter) {
  
          var classes, replacements = [], adapted;
  
  
  
          classes = $.trim(dest.attr("class"));
  
  
  
          if (classes) {
  
              classes = '' + classes; // for IE which returns object
  
  
  
              $(classes.split(/\s+/)).each2(function() {
  
                  if (this.indexOf("custom-select-") === 0) {
  
                      replacements.push(this);
  
                  }
  
              });
  
          }
  
  
  
          classes = $.trim(src.attr("class"));
  
  
  
          if (classes) {
  
              classes = '' + classes; // for IE which returns object
  
  
  
              $(classes.split(/\s+/)).each2(function() {
  
                  if (this.indexOf("custom-select-") !== 0) {
  
                      adapted = adapter(this);
  
  
  
                      if (adapted) {
  
                          replacements.push(adapted);
  
                      }
  
                  }
  
              });
  
          }
  
  
  
          dest.attr("class", replacements.join(" "));
  
      }
  
  
  
  
  
      function markMatch(text, term, markup, escapeMarkup) {
  
          var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
  
              tl=term.length;
  
  
  
          if (match<0) {
  
              markup.push(escapeMarkup(text));
  
              return;
  
          }
  
  
  
          markup.push(escapeMarkup(text.substring(0, match)));
  
          markup.push("<span class='custom-select-match'>");
  
          markup.push(escapeMarkup(text.substring(match, match + tl)));
  
          markup.push("</span>");
  
          markup.push(escapeMarkup(text.substring(match + tl, text.length)));
  
      }
  
  
  
      function defaultEscapeMarkup(markup) {
  
          var replace_map = {
  
              '\\': '&#92;',
  
              '&': '&amp;',
  
              '<': '&lt;',
  
              '>': '&gt;',
  
              '"': '&quot;',
  
              "'": '&#39;',
  
              "/": '&#47;'
  
          };
  
  
  
          return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
  
              return replace_map[match];
  
          });
  
      }
  
  
  
      /**
  
       * Produces an ajax-based query function
  
       *
  
       * @param options object containing configuration parameters
  
       * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
  
       * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
  
       * @param options.url url for the data
  
       * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
  
       * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
  
       * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
  
       * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2.
  
       *      The expected format is an object containing the following keys:
  
       *      results array of objects that will be used as choices
  
       *      more (optional) boolean indicating whether there are more results available
  
       *      Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
  
       */
  
      function ajax(options) {
  
          var timeout, // current scheduled but not yet executed request
  
              handler = null,
  
              quietMillis = options.quietMillis || 100,
  
              ajaxUrl = options.url,
  
              self = this;
  
  
  
          return function (query) {
  
              window.clearTimeout(timeout);
  
              timeout = window.setTimeout(function () {
  
                  var data = options.data, // ajax data function
  
                      url = ajaxUrl, // ajax url string or function
  
                      transport = options.transport || $.fn.custom-select.ajaxDefaults.transport,
  
                      // deprecated - to be removed in 4.0  - use params instead
  
                      deprecated = {
  
                          type: options.type || 'GET', // set type of request (GET or POST)
  
                          cache: options.cache || false,
  
                          jsonpCallback: options.jsonpCallback||undefined,
  
                          dataType: options.dataType||"json"
  
                      },
  
                      params = $.extend({}, $.fn.custom-select.ajaxDefaults.params, deprecated);
  
  
  
                  data = data ? data.call(self, query.term, query.page, query.context) : null;
  
                  url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
  
  
  
                  if (handler && typeof handler.abort === "function") { handler.abort(); }
  
  
  
                  if (options.params) {
  
                      if ($.isFunction(options.params)) {
  
                          $.extend(params, options.params.call(self));
  
                      } else {
  
                          $.extend(params, options.params);
  
                      }
  
                  }
  
  
  
                  $.extend(params, {
  
                      url: url,
  
                      dataType: options.dataType,
  
                      data: data,
  
                      success: function (data) {
  
                          // TODO - replace query.page with query so users have access to term, page, etc.
  
                          // added query as third paramter to keep backwards compatibility
  
                          var results = options.results(data, query.page, query);
  
                          query.callback(results);
  
                      },
  
                      error: function(jqXHR, textStatus, errorThrown){
  
                          var results = {
  
                              hasError: true,
  
                              jqXHR: jqXHR,
  
                              textStatus: textStatus,
  
                              errorThrown: errorThrown
  
                          };
  
  
  
                          query.callback(results);
  
                      }
  
                  });
  
                  handler = transport.call(self, params);
  
              }, quietMillis);
  
          };
  
      }
  
  
  
      /**
  
       * Produces a query function that works with a local array
  
       *
  
       * @param options object containing configuration parameters. The options parameter can either be an array or an
  
       * object.
  
       *
  
       * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
  
       *
  
       * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
  
       * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
  
       * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
  
       * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
  
       * the text.
  
       */
  
      function local(options) {
  
          var data = options, // data elements
  
              dataText,
  
              tmp,
  
              text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
  
  
  
           if ($.isArray(data)) {
  
              tmp = data;
  
              data = { results: tmp };
  
          }
  
  
  
           if ($.isFunction(data) === false) {
  
              tmp = data;
  
              data = function() { return tmp; };
  
          }
  
  
  
          var dataItem = data();
  
          if (dataItem.text) {
  
              text = dataItem.text;
  
              // if text is not a function we assume it to be a key name
  
              if (!$.isFunction(text)) {
  
                  dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
  
                  text = function (item) { return item[dataText]; };
  
              }
  
          }
  
  
  
          return function (query) {
  
              var t = query.term, filtered = { results: [] }, process;
  
              if (t === "") {
  
                  query.callback(data());
  
                  return;
  
              }
  
  
  
              process = function(datum, collection) {
  
                  var group, attr;
  
                  datum = datum[0];
  
                  if (datum.children) {
  
                      group = {};
  
                      for (attr in datum) {
  
                          if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
  
                      }
  
                      group.children=[];
  
                      $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
  
                      if (group.children.length || query.matcher(t, text(group), datum)) {
  
                          collection.push(group);
  
                      }
  
                  } else {
  
                      if (query.matcher(t, text(datum), datum)) {
  
                          collection.push(datum);
  
                      }
  
                  }
  
              };
  
  
  
              $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
  
              query.callback(filtered);
  
          };
  
      }
  
  
  
      // TODO javadoc
  
      function tags(data) {
  
          var isFunc = $.isFunction(data);
  
          return function (query) {
  
              var t = query.term, filtered = {results: []};
  
              var result = isFunc ? data(query) : data;
  
              if ($.isArray(result)) {
  
                  $(result).each(function () {
  
                      var isObject = this.text !== undefined,
  
                          text = isObject ? this.text : this;
  
                      if (t === "" || query.matcher(t, text)) {
  
                          filtered.results.push(isObject ? this : {id: this, text: this});
  
                      }
  
                  });
  
                  query.callback(filtered);
  
              }
  
          };
  
      }
  
  
  
      /**
  
       * Checks if the formatter function should be used.
  
       *
  
       * Throws an error if it is not a function. Returns true if it should be used,
  
       * false if no formatting should be performed.
  
       *
  
       * @param formatter
  
       */
  
      function checkFormatter(formatter, formatterName) {
  
          if ($.isFunction(formatter)) return true;
  
          if (!formatter) return false;
  
          if (typeof(formatter) === 'string') return true;
  
          throw new Error(formatterName +" must be a string, function, or falsy value");
  
      }
  
  
  
    /**
  
     * Returns a given value
  
     * If given a function, returns its output
  
     *
  
     * @param val string|function
  
     * @param context value of "this" to be passed to function
  
     * @returns {*}
  
     */
  
      function evaluate(val, context) {
  
          if ($.isFunction(val)) {
  
              var args = Array.prototype.slice.call(arguments, 2);
  
              return val.apply(context, args);
  
          }
  
          return val;
  
      }
  
  
  
      function countResults(results) {
  
          var count = 0;
  
          $.each(results, function(i, item) {
  
              if (item.children) {
  
                  count += countResults(item.children);
  
              } else {
  
                  count++;
  
              }
  
          });
  
          return count;
  
      }
  
  
  
      /**
  
       * Default tokenizer. This function uses breaks the input on substring match of any string from the
  
       * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
  
       * two options have to be defined in order for the tokenizer to work.
  
       *
  
       * @param input text user has typed so far or pasted into the search field
  
       * @param selection currently selected choices
  
       * @param selectCallback function(choice) callback tho add the choice to selection
  
       * @param opts custom-select's opts
  
       * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
  
       */
  
      function defaultTokenizer(input, selection, selectCallback, opts) {
  
          var original = input, // store the original so we can compare and know if we need to tell the search to update its text
  
              dupe = false, // check for whether a token we extracted represents a duplicate selected choice
  
              token, // token
  
              index, // position at which the separator was found
  
              i, l, // looping variables
  
              separator; // the matched separator
  
  
  
          if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
  
  
  
          while (true) {
  
              index = -1;
  
  
  
              for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
  
                  separator = opts.tokenSeparators[i];
  
                  index = input.indexOf(separator);
  
                  if (index >= 0) break;
  
              }
  
  
  
              if (index < 0) break; // did not find any token separator in the input string, bail
  
  
  
              token = input.substring(0, index);
  
              input = input.substring(index + separator.length);
  
  
  
              if (token.length > 0) {
  
                  token = opts.createSearchChoice.call(this, token, selection);
  
                  if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
  
                      dupe = false;
  
                      for (i = 0, l = selection.length; i < l; i++) {
  
                          if (equal(opts.id(token), opts.id(selection[i]))) {
  
                              dupe = true; break;
  
                          }
  
                      }
  
  
  
                      if (!dupe) selectCallback(token);
  
                  }
  
              }
  
          }
  
  
  
          if (original!==input) return input;
  
      }
  
  
  
      function cleanupJQueryElements() {
  
          var self = this;
  
  
  
          $.each(arguments, function (i, element) {
  
              self[element].remove();
  
              self[element] = null;
  
          });
  
      }
  
  
  
      /**
  
       * Creates a new class
  
       *
  
       * @param superClass
  
       * @param methods
  
       */
  
      function clazz(SuperClass, methods) {
  
          var constructor = function () {};
  
          constructor.prototype = new SuperClass;
  
          constructor.prototype.constructor = constructor;
  
          constructor.prototype.parent = SuperClass.prototype;
  
          constructor.prototype = $.extend(constructor.prototype, methods);
  
          return constructor;
  
      }
  
  
  
      AbstractSelect2 = clazz(Object, {
  
  
  
          // abstract
  
          bind: function (func) {
  
              var self = this;
  
              return function () {
  
                  func.apply(self, arguments);
  
              };
  
          },
  
  
  
          // abstract
  
          init: function (opts) {
  
              var results, search, resultsSelector = ".custom-select-results";
  
  
  
              // prepare options
  
              this.opts = opts = this.prepareOpts(opts);
  
  
  
              this.id=opts.id;
  
  
  
              // destroy if called on an existing component
  
              if (opts.element.data("custom-select") !== undefined &&
  
                  opts.element.data("custom-select") !== null) {
  
                  opts.element.data("custom-select").destroy();
  
              }
  
  
  
              this.container = this.createContainer();
  
  
  
              this.liveRegion = $('.custom-select-hidden-accessible');
  
              if (this.liveRegion.length == 0) {
  
                  this.liveRegion = $("<span>", {
  
                          role: "status",
  
                          "aria-live": "polite"
  
                      })
  
                      .addClass("custom-select-hidden-accessible")
  
                      .appendTo(document.body);
  
              }
  
  
  
              this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
  
              this.containerEventName= this.containerId
  
                  .replace(/([.])/g, '_')
  
                  .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
  
              this.container.attr("id", this.containerId);
  
  
  
              this.container.attr("title", opts.element.attr("title"));
  
  
  
              this.body = $(document.body);
  
  
  
              syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
  
  
  
              this.container.attr("style", opts.element.attr("style"));
  
              this.container.css(evaluate(opts.containerCss, this.opts.element));
  
              this.container.addClass(evaluate(opts.containerCssClass, this.opts.element));
  
  
  
              this.elementTabIndex = this.opts.element.attr("tabindex");
  
  
  
              // swap container for the element
  
              this.opts.element
  
                  .data("custom-select", this)
  
                  .attr("tabindex", "-1")
  
                  .before(this.container)
  
                  .on("click.custom-select", killEvent); // do not leak click events
  
  
  
              this.container.data("custom-select", this);
  
  
  
              this.dropdown = this.container.find(".custom-select-drop");
  
  
  
              syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
  
  
  
              this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
  
              this.dropdown.data("custom-select", this);
  
              this.dropdown.on("click", killEvent);
  
  
  
              this.results = results = this.container.find(resultsSelector);
  
              this.search = search = this.container.find("input.custom-select-input");
  
  
  
              this.queryCount = 0;
  
              this.resultsPage = 0;
  
              this.context = null;
  
  
  
              // initialize the container
  
              this.initContainer();
  
  
  
              this.container.on("click", killEvent);
  
  
  
              installFilteredMouseMove(this.results);
  
  
  
              this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
  
              this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
  
                  this._touchEvent = true;
  
                  this.highlightUnderEvent(event);
  
              }));
  
              this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
  
              this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
  
  
  
              // Waiting for a click event on touch devices to select option and hide dropdown
  
              // otherwise click will be triggered on an underlying element
  
              this.dropdown.on('click', this.bind(function (event) {
  
                  if (this._touchEvent) {
  
                      this._touchEvent = false;
  
                      this.selectHighlighted();
  
                  }
  
              }));
  
  
  
              installDebouncedScroll(80, this.results);
  
              this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
  
  
  
              // do not propagate change event from the search field out of the component
  
              $(this.container).on("change", ".custom-select-input", function(e) {e.stopPropagation();});
  
              $(this.dropdown).on("change", ".custom-select-input", function(e) {e.stopPropagation();});
  
  
  
              // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
  
              if ($.fn.mousewheel) {
  
                  results.mousewheel(function (e, delta, deltaX, deltaY) {
  
                      var top = results.scrollTop();
  
                      if (deltaY > 0 && top - deltaY <= 0) {
  
                          results.scrollTop(0);
  
                          killEvent(e);
  
                      } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
  
                          results.scrollTop(results.get(0).scrollHeight - results.height());
  
                          killEvent(e);
  
                      }
  
                  });
  
              }
  
  
  
              installKeyUpChangeEvent(search);
  
              search.on("keyup-change input paste", this.bind(this.updateResults));
  
              search.on("focus", function () { search.addClass("custom-select-focused"); });
  
              search.on("blur", function () { search.removeClass("custom-select-focused");});
  
  
  
              this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
  
                  if ($(e.target).closest(".custom-select-result-selectable").length > 0) {
  
                      this.highlightUnderEvent(e);
  
                      this.selectHighlighted(e);
  
                  }
  
              }));
  
  
  
              // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
  
              // for mouse events outside of itself so it can close itself. since the dropdown is now outside the custom-select's
  
              // dom it will trigger the popup close, which is not what we want
  
              // focusin can cause focus wars between modals and custom-select since the dropdown is outside the modal.
  
              this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
  
  
  
              this.nextSearchTerm = undefined;
  
  
  
              if ($.isFunction(this.opts.initSelection)) {
  
                  // initialize selection based on the current value of the source element
  
                  this.initSelection();
  
  
  
                  // if the user has provided a function that can set selection based on the value of the source element
  
                  // we monitor the change event on the element and trigger it, allowing for two way synchronization
  
                  this.monitorSource();
  
              }
  
  
  
              if (opts.maximumInputLength !== null) {
  
                  this.search.attr("maxlength", opts.maximumInputLength);
  
              }
  
  
  
              var disabled = opts.element.prop("disabled");
  
              if (disabled === undefined) disabled = false;
  
              this.enable(!disabled);
  
  
  
              var readonly = opts.element.prop("readonly");
  
              if (readonly === undefined) readonly = false;
  
              this.readonly(readonly);
  
  
  
              // Calculate size of scrollbar
  
              scrollBarDimensions = scrollBarDimensions || measureScrollbar();
  
  
  
              this.autofocus = opts.element.prop("autofocus");
  
              opts.element.prop("autofocus", false);
  
              if (this.autofocus) this.focus();
  
  
  
              this.search.attr("placeholder", opts.searchInputPlaceholder);
  
          },
  
  
  
          // abstract
  
          destroy: function () {
  
              var element=this.opts.element, custom-select = element.data("custom-select"), self = this;
  
  
  
              this.close();
  
  
  
              if (element.length && element[0].detachEvent && self._sync) {
  
                  element.each(function () {
  
                      if (self._sync) {
  
                          this.detachEvent("onpropertychange", self._sync);
  
                      }
  
                  });
  
              }
  
              if (this.propertyObserver) {
  
                  this.propertyObserver.disconnect();
  
                  this.propertyObserver = null;
  
              }
  
              this._sync = null;
  
  
  
              if (custom-select !== undefined) {
  
                  custom-select.container.remove();
  
                  custom-select.liveRegion.remove();
  
                  custom-select.dropdown.remove();
  
                  element
  
                      .show()
  
                      .removeData("custom-select")
  
                      .off(".custom-select")
  
                      .prop("autofocus", this.autofocus || false);
  
                  if (this.elementTabIndex) {
  
                      element.attr({tabindex: this.elementTabIndex});
  
                  } else {
  
                      element.removeAttr("tabindex");
  
                  }
  
                  element.show();
  
              }
  
  
  
              cleanupJQueryElements.call(this,
  
                  "container",
  
                  "liveRegion",
  
                  "dropdown",
  
                  "results",
  
                  "search"
  
              );
  
          },
  
  
  
          // abstract
  
          optionToData: function(element) {
  
              if (element.is("option")) {
  
                  return {
  
                      id:element.prop("value"),
  
                      text:element.text(),
  
                      element: element.get(),
  
                      css: element.attr("class"),
  
                      disabled: element.prop("disabled"),
  
                      locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
  
                  };
  
              } else if (element.is("optgroup")) {
  
                  return {
  
                      text:element.attr("label"),
  
                      children:[],
  
                      element: element.get(),
  
                      css: element.attr("class")
  
                  };
  
              }
  
          },
  
  
  
          // abstract
  
          prepareOpts: function (opts) {
  
              var element, select, idKey, ajaxUrl, self = this;
  
  
  
              element = opts.element;
  
  
  
              if (element.get(0).tagName.toLowerCase() === "select") {
  
                  this.select = select = opts.element;
  
              }
  
  
  
              if (select) {
  
                  // these options are not allowed when attached to a select because they are picked up off the element itself
  
                  $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
  
                      if (this in opts) {
  
                          throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
  
                      }
  
                  });
  
              }
  
  
  
              opts = $.extend({}, {
  
                  populateResults: function(container, results, query) {
  
                      var populate, id=this.opts.id, liveRegion=this.liveRegion;
  
  
  
                      populate=function(results, container, depth) {
  
  
  
                          var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
  
  
  
                          results = opts.sortResults(results, container, query);
  
  
  
                          // collect the created nodes for bulk append
  
                          var nodes = [];
  
                          for (i = 0, l = results.length; i < l; i = i + 1) {
  
  
  
                              result=results[i];
  
  
  
                              disabled = (result.disabled === true);
  
                              selectable = (!disabled) && (id(result) !== undefined);
  
  
  
                              compound=result.children && result.children.length > 0;
  
  
  
                              node=$("<li></li>");
  
                              node.addClass("custom-select-results-dept-"+depth);
  
                              node.addClass("custom-select-result");
  
                              node.addClass(selectable ? "custom-select-result-selectable" : "custom-select-result-unselectable");
  
                              if (disabled) { node.addClass("custom-select-disabled"); }
  
                              if (compound) { node.addClass("custom-select-result-with-children"); }
  
                              node.addClass(self.opts.formatResultCssClass(result));
  
                              node.attr("role", "presentation");
  
  
  
                              label=$(document.createElement("div"));
  
                              label.addClass("custom-select-result-label");
  
                              label.attr("id", "custom-select-result-label-" + nextUid());
  
                              label.attr("role", "option");
  
  
  
                              formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
  
                              if (formatted!==undefined) {
  
                                  label.html(formatted);
  
                                  node.append(label);
  
                              }
  
  
  
  
  
                              if (compound) {
  
  
  
                                  innerContainer=$("<ul></ul>");
  
                                  innerContainer.addClass("custom-select-result-sub");
  
                                  populate(result.children, innerContainer, depth+1);
  
                                  node.append(innerContainer);
  
                              }
  
  
  
                              node.data("custom-select-data", result);
  
                              nodes.push(node[0]);
  
                          }
  
  
  
                          // bulk append the created nodes
  
                          container.append(nodes);
  
                          liveRegion.text(opts.formatMatches(results.length));
  
                      };
  
  
  
                      populate(results, container, 0);
  
                  }
  
              }, $.fn.custom-select.defaults, opts);
  
  
  
              if (typeof(opts.id) !== "function") {
  
                  idKey = opts.id;
  
                  opts.id = function (e) { return e[idKey]; };
  
              }
  
  
  
              if ($.isArray(opts.element.data("custom-selectTags"))) {
  
                  if ("tags" in opts) {
  
                      throw "tags specified as both an attribute 'data-custom-select-tags' and in options of Select2 " + opts.element.attr("id");
  
                  }
  
                  opts.tags=opts.element.data("custom-selectTags");
  
              }
  
  
  
              if (select) {
  
                  opts.query = this.bind(function (query) {
  
                      var data = { results: [], more: false },
  
                          term = query.term,
  
                          children, placeholderOption, process;
  
  
  
                      process=function(element, collection) {
  
                          var group;
  
                          if (element.is("option")) {
  
                              if (query.matcher(term, element.text(), element)) {
  
                                  collection.push(self.optionToData(element));
  
                              }
  
                          } else if (element.is("optgroup")) {
  
                              group=self.optionToData(element);
  
                              element.children().each2(function(i, elm) { process(elm, group.children); });
  
                              if (group.children.length>0) {
  
                                  collection.push(group);
  
                              }
  
                          }
  
                      };
  
  
  
                      children=element.children();
  
  
  
                      // ignore the placeholder option if there is one
  
                      if (this.getPlaceholder() !== undefined && children.length > 0) {
  
                          placeholderOption = this.getPlaceholderOption();
  
                          if (placeholderOption) {
  
                              children=children.not(placeholderOption);
  
                          }
  
                      }
  
  
  
                      children.each2(function(i, elm) { process(elm, data.results); });
  
  
  
                      query.callback(data);
  
                  });
  
                  // this is needed because inside val() we construct choices from options and their id is hardcoded
  
                  opts.id=function(e) { return e.id; };
  
              } else {
  
                  if (!("query" in opts)) {
  
  
  
                      if ("ajax" in opts) {
  
                          ajaxUrl = opts.element.data("ajax-url");
  
                          if (ajaxUrl && ajaxUrl.length > 0) {
  
                              opts.ajax.url = ajaxUrl;
  
                          }
  
                          opts.query = ajax.call(opts.element, opts.ajax);
  
                      } else if ("data" in opts) {
  
                          opts.query = local(opts.data);
  
                      } else if ("tags" in opts) {
  
                          opts.query = tags(opts.tags);
  
                          if (opts.createSearchChoice === undefined) {
  
                              opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
  
                          }
  
                          if (opts.initSelection === undefined) {
  
                              opts.initSelection = function (element, callback) {
  
                                  var data = [];
  
                                  $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () {
  
                                      var obj = { id: this, text: this },
  
                                          tags = opts.tags;
  
                                      if ($.isFunction(tags)) tags=tags();
  
                                      $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
  
                                      data.push(obj);
  
                                  });
  
  
  
                                  callback(data);
  
                              };
  
                          }
  
                      }
  
                  }
  
              }
  
              if (typeof(opts.query) !== "function") {
  
                  throw "query function not defined for Select2 " + opts.element.attr("id");
  
              }
  
  
  
              if (opts.createSearchChoicePosition === 'top') {
  
                  opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
  
              }
  
              else if (opts.createSearchChoicePosition === 'bottom') {
  
                  opts.createSearchChoicePosition = function(list, item) { list.push(item); };
  
              }
  
              else if (typeof(opts.createSearchChoicePosition) !== "function")  {
  
                  throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
  
              }
  
  
  
              return opts;
  
          },
  
  
  
          /**
  
           * Monitor the original element for changes and update custom-select accordingly
  
           */
  
          // abstract
  
          monitorSource: function () {
  
              var el = this.opts.element, observer, self = this;
  
  
  
              el.on("change.custom-select", this.bind(function (e) {
  
                  if (this.opts.element.data("custom-select-change-triggered") !== true) {
  
                      this.initSelection();
  
                  }
  
              }));
  
  
  
              this._sync = this.bind(function () {
  
  
  
                  // sync enabled state
  
                  var disabled = el.prop("disabled");
  
                  if (disabled === undefined) disabled = false;
  
                  this.enable(!disabled);
  
  
  
                  var readonly = el.prop("readonly");
  
                  if (readonly === undefined) readonly = false;
  
                  this.readonly(readonly);
  
  
  
                  if (this.container) {
  
                      syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
  
                      this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element));
  
                  }
  
  
  
                  if (this.dropdown) {
  
                      syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
  
                      this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element));
  
                  }
  
  
  
              });
  
  
  
              // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
  
              if (el.length && el[0].attachEvent) {
  
                  el.each(function() {
  
                      this.attachEvent("onpropertychange", self._sync);
  
                  });
  
              }
  
  
  
              // safari, chrome, firefox, IE11
  
              observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
  
              if (observer !== undefined) {
  
                  if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
  
                  this.propertyObserver = new observer(function (mutations) {
  
                      $.each(mutations, self._sync);
  
                  });
  
                  this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
  
              }
  
          },
  
  
  
          // abstract
  
          triggerSelect: function(data) {
  
              var evt = $.Event("custom-select-selecting", { val: this.id(data), object: data, choice: data });
  
              this.opts.element.trigger(evt);
  
              return !evt.isDefaultPrevented();
  
          },
  
  
  
          /**
  
           * Triggers the change event on the source element
  
           */
  
          // abstract
  
          triggerChange: function (details) {
  
  
  
              details = details || {};
  
              details= $.extend({}, details, { type: "change", val: this.val() });
  
              // prevents recursive triggering
  
              this.opts.element.data("custom-select-change-triggered", true);
  
              this.opts.element.trigger(details);
  
              this.opts.element.data("custom-select-change-triggered", false);
  
  
  
              // some validation frameworks ignore the change event and listen instead to keyup, click for selects
  
              // so here we trigger the click event manually
  
              this.opts.element.click();
  
  
  
              // ValidationEngine ignores the change event and listens instead to blur
  
              // so here we trigger the blur event manually if so desired
  
              if (this.opts.blurOnChange)
  
                  this.opts.element.blur();
  
          },
  
  
  
          //abstract
  
          isInterfaceEnabled: function()
  
          {
  
              return this.enabledInterface === true;
  
          },
  
  
  
          // abstract
  
          enableInterface: function() {
  
              var enabled = this._enabled && !this._readonly,
  
                  disabled = !enabled;
  
  
  
              if (enabled === this.enabledInterface) return false;
  
  
  
              this.container.toggleClass("custom-select-container-disabled", disabled);
  
              this.close();
  
              this.enabledInterface = enabled;
  
  
  
              return true;
  
          },
  
  
  
          // abstract
  
          enable: function(enabled) {
  
              if (enabled === undefined) enabled = true;
  
              if (this._enabled === enabled) return;
  
              this._enabled = enabled;
  
  
  
              this.opts.element.prop("disabled", !enabled);
  
              this.enableInterface();
  
          },
  
  
  
          // abstract
  
          disable: function() {
  
              this.enable(false);
  
          },
  
  
  
          // abstract
  
          readonly: function(enabled) {
  
              if (enabled === undefined) enabled = false;
  
              if (this._readonly === enabled) return;
  
              this._readonly = enabled;
  
  
  
              this.opts.element.prop("readonly", enabled);
  
              this.enableInterface();
  
          },
  
  
  
          // abstract
  
          opened: function () {
  
              return (this.container) ? this.container.hasClass("custom-select-dropdown-open") : false;
  
          },
  
  
  
          // abstract
  
          positionDropdown: function() {
  
              var $dropdown = this.dropdown,
  
                  container = this.container,
  
                  offset = container.offset(),
  
                  height = container.outerHeight(false),
  
                  width = container.outerWidth(false),
  
                  dropHeight = $dropdown.outerHeight(false),
  
                  $window = $(window),
  
                  windowWidth = $window.width(),
  
                  windowHeight = $window.height(),
  
                  viewPortRight = $window.scrollLeft() + windowWidth,
  
                  viewportBottom = $window.scrollTop() + windowHeight,
  
                  dropTop = offset.top + height,
  
                  dropLeft = offset.left,
  
                  enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
  
                  enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
  
                  dropWidth = $dropdown.outerWidth(false),
  
                  enoughRoomOnRight = function() {
  
                      return dropLeft + dropWidth <= viewPortRight;
  
                  },
  
                  enoughRoomOnLeft = function() {
  
                      return offset.left + viewPortRight + container.outerWidth(false)  > dropWidth;
  
                  },
  
                  aboveNow = $dropdown.hasClass("custom-select-drop-above"),
  
                  bodyOffset,
  
                  above,
  
                  changeDirection,
  
                  css,
  
                  resultsListNode;
  
  
  
              // always prefer the current above/below alignment, unless there is not enough room
  
              if (aboveNow) {
  
                  above = true;
  
                  if (!enoughRoomAbove && enoughRoomBelow) {
  
                      changeDirection = true;
  
                      above = false;
  
                  }
  
              } else {
  
                  above = false;
  
                  if (!enoughRoomBelow && enoughRoomAbove) {
  
                      changeDirection = true;
  
                      above = true;
  
                  }
  
              }
  
  
  
              //if we are changing direction we need to get positions when dropdown is hidden;
  
              if (changeDirection) {
  
                  $dropdown.hide();
  
                  offset = this.container.offset();
  
                  height = this.container.outerHeight(false);
  
                  width = this.container.outerWidth(false);
  
                  dropHeight = $dropdown.outerHeight(false);
  
                  viewPortRight = $window.scrollLeft() + windowWidth;
  
                  viewportBottom = $window.scrollTop() + windowHeight;
  
                  dropTop = offset.top + height;
  
                  dropLeft = offset.left;
  
                  dropWidth = $dropdown.outerWidth(false);
  
                  $dropdown.show();
  
  
  
                  // fix so the cursor does not move to the left within the search-textbox in IE
  
                  this.focusSearch();
  
              }
  
  
  
              if (this.opts.dropdownAutoWidth) {
  
                  resultsListNode = $('.custom-select-results', $dropdown)[0];
  
                  $dropdown.addClass('custom-select-drop-auto-width');
  
                  $dropdown.css('width', '');
  
                  // Add scrollbar width to dropdown if vertical scrollbar is present
  
                  dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
  
                  dropWidth > width ? width = dropWidth : dropWidth = width;
  
                  dropHeight = $dropdown.outerHeight(false);
  
              }
  
              else {
  
                  this.container.removeClass('custom-select-drop-auto-width');
  
              }
  
  
  
              //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
  
              //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
  
  
  
              // fix positioning when body has an offset and is not position: static
  
              if (this.body.css('position') !== 'static') {
  
                  bodyOffset = this.body.offset();
  
                  dropTop -= bodyOffset.top;
  
                  dropLeft -= bodyOffset.left;
  
              }
  
  
  
              if (!enoughRoomOnRight() && enoughRoomOnLeft()) {
  
                  dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
  
              }
  
  
  
              css =  {
  
                  left: dropLeft,
  
                  width: width
  
              };
  
  
  
              if (above) {
  
                  css.top = offset.top - dropHeight;
  
                  css.bottom = 'auto';
  
                  this.container.addClass("custom-select-drop-above");
  
                  $dropdown.addClass("custom-select-drop-above");
  
              }
  
              else {
  
                  css.top = dropTop;
  
                  css.bottom = 'auto';
  
                  this.container.removeClass("custom-select-drop-above");
  
                  $dropdown.removeClass("custom-select-drop-above");
  
              }
  
              css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element));
  
  
  
              $dropdown.css(css);
  
          },
  
  
  
          // abstract
  
          shouldOpen: function() {
  
              var event;
  
  
  
              if (this.opened()) return false;
  
  
  
              if (this._enabled === false || this._readonly === true) return false;
  
  
  
              event = $.Event("custom-select-opening");
  
              this.opts.element.trigger(event);
  
              return !event.isDefaultPrevented();
  
          },
  
  
  
          // abstract
  
          clearDropdownAlignmentPreference: function() {
  
              // clear the classes used to figure out the preference of where the dropdown should be opened
  
              this.container.removeClass("custom-select-drop-above");
  
              this.dropdown.removeClass("custom-select-drop-above");
  
          },
  
  
  
          /**
  
           * Opens the dropdown
  
           *
  
           * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
  
           * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
  
           */
  
          // abstract
  
          open: function () {
  
  
  
              if (!this.shouldOpen()) return false;
  
  
  
              this.opening();
  
  
  
              // Only bind the document mousemove when the dropdown is visible
  
              $document.on("mousemove.custom-selectEvent", function (e) {
  
                  lastMousePosition.x = e.pageX;
  
                  lastMousePosition.y = e.pageY;
  
              });
  
  
  
              return true;
  
          },
  
  
  
          /**
  
           * Performs the opening of the dropdown
  
           */
  
          // abstract
  
          opening: function() {
  
              var cid = this.containerEventName,
  
                  scroll = "scroll." + cid,
  
                  resize = "resize."+cid,
  
                  orient = "orientationchange."+cid,
  
                  mask;
  
  
  
              this.container.addClass("custom-select-dropdown-open").addClass("custom-select-container-active");
  
  
  
              this.clearDropdownAlignmentPreference();
  
  
  
              if(this.dropdown[0] !== this.body.children().last()[0]) {
  
                  this.dropdown.detach().appendTo(this.body);
  
              }
  
  
  
              // create the dropdown mask if doesn't already exist
  
              mask = $("#custom-select-drop-mask");
  
              if (mask.length === 0) {
  
                  mask = $(document.createElement("div"));
  
                  mask.attr("id","custom-select-drop-mask").attr("class","custom-select-drop-mask");
  
                  mask.hide();
  
                  mask.appendTo(this.body);
  
                  mask.on("mousedown touchstart click", function (e) {
  
                      // Prevent IE from generating a click event on the body
  
                      reinsertElement(mask);
  
  
  
                      var dropdown = $("#custom-select-drop"), self;
  
                      if (dropdown.length > 0) {
  
                          self=dropdown.data("custom-select");
  
                          if (self.opts.selectOnBlur) {
  
                              self.selectHighlighted({noFocus: true});
  
                          }
  
                          self.close();
  
                          e.preventDefault();
  
                          e.stopPropagation();
  
                      }
  
                  });
  
              }
  
  
  
              // ensure the mask is always right before the dropdown
  
              if (this.dropdown.prev()[0] !== mask[0]) {
  
                  this.dropdown.before(mask);
  
              }
  
  
  
              // move the global id to the correct dropdown
  
              $("#custom-select-drop").removeAttr("id");
  
              this.dropdown.attr("id", "custom-select-drop");
  
  
  
              // show the elements
  
              mask.show();
  
  
  
              this.positionDropdown();
  
              this.dropdown.show();
  
              this.positionDropdown();
  
  
  
              this.dropdown.addClass("custom-select-drop-active");
  
  
  
              // attach listeners to events that can change the position of the container and thus require
  
              // the position of the dropdown to be updated as well so it does not come unglued from the container
  
              var that = this;
  
              this.container.parents().add(window).each(function () {
  
                  $(this).on(resize+" "+scroll+" "+orient, function (e) {
  
                      if (that.opened()) that.positionDropdown();
  
                  });
  
              });
  
  
  
  
  
          },
  
  
  
          // abstract
  
          close: function () {
  
              if (!this.opened()) return;
  
  
  
              var cid = this.containerEventName,
  
                  scroll = "scroll." + cid,
  
                  resize = "resize."+cid,
  
                  orient = "orientationchange."+cid;
  
  
  
              // unbind event listeners
  
              this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
  
  
  
              this.clearDropdownAlignmentPreference();
  
  
  
              $("#custom-select-drop-mask").hide();
  
              this.dropdown.removeAttr("id"); // only the active dropdown has the custom-select-drop id
  
              this.dropdown.hide();
  
              this.container.removeClass("custom-select-dropdown-open").removeClass("custom-select-container-active");
  
              this.results.empty();
  
  
  
              // Now that the dropdown is closed, unbind the global document mousemove event
  
              $document.off("mousemove.custom-selectEvent");
  
  
  
              this.clearSearch();
  
              this.search.removeClass("custom-select-active");
  
              this.opts.element.trigger($.Event("custom-select-close"));
  
          },
  
  
  
          /**
  
           * Opens control, sets input value, and updates results.
  
           */
  
          // abstract
  
          externalSearch: function (term) {
  
              this.open();
  
              this.search.val(term);
  
              this.updateResults(false);
  
          },
  
  
  
          // abstract
  
          clearSearch: function () {
  
  
  
          },
  
  
  
          //abstract
  
          getMaximumSelectionSize: function() {
  
              return evaluate(this.opts.maximumSelectionSize, this.opts.element);
  
          },
  
  
  
          // abstract
  
          ensureHighlightVisible: function () {
  
              var results = this.results, children, index, child, hb, rb, y, more, topOffset;
  
  
  
              index = this.highlight();
  
  
  
              if (index < 0) return;
  
  
  
              if (index == 0) {
  
  
  
                  // if the first element is highlighted scroll all the way to the top,
  
                  // that way any unselectable headers above it will also be scrolled
  
                  // into view
  
  
  
                  results.scrollTop(0);
  
                  return;
  
              }
  
  
  
              children = this.findHighlightableChoices().find('.custom-select-result-label');
  
  
  
              child = $(children[index]);
  
  
  
              topOffset = (child.offset() || {}).top || 0;
  
  
  
              hb = topOffset + child.outerHeight(true);
  
  
  
              // if this is the last child lets also make sure custom-select-more-results is visible
  
              if (index === children.length - 1) {
  
                  more = results.find("li.custom-select-more-results");
  
                  if (more.length > 0) {
  
                      hb = more.offset().top + more.outerHeight(true);
  
                  }
  
              }
  
  
  
              rb = results.offset().top + results.outerHeight(false);
  
              if (hb > rb) {
  
                  results.scrollTop(results.scrollTop() + (hb - rb));
  
              }
  
              y = topOffset - results.offset().top;
  
  
  
              // make sure the top of the element is visible
  
              if (y < 0 && child.css('display') != 'none' ) {
  
                  results.scrollTop(results.scrollTop() + y); // y is negative
  
              }
  
          },
  
  
  
          // abstract
  
          findHighlightableChoices: function() {
  
              return this.results.find(".custom-select-result-selectable:not(.custom-select-disabled):not(.custom-select-selected)");
  
          },
  
  
  
          // abstract
  
          moveHighlight: function (delta) {
  
              var choices = this.findHighlightableChoices(),
  
                  index = this.highlight();
  
  
  
              while (index > -1 && index < choices.length) {
  
                  index += delta;
  
                  var choice = $(choices[index]);
  
                  if (choice.hasClass("custom-select-result-selectable") && !choice.hasClass("custom-select-disabled") && !choice.hasClass("custom-select-selected")) {
  
                      this.highlight(index);
  
                      break;
  
                  }
  
              }
  
          },
  
  
  
          // abstract
  
          highlight: function (index) {
  
              var choices = this.findHighlightableChoices(),
  
                  choice,
  
                  data;
  
  
  
              if (arguments.length === 0) {
  
                  return indexOf(choices.filter(".custom-select-highlighted")[0], choices.get());
  
              }
  
  
  
              if (index >= choices.length) index = choices.length - 1;
  
              if (index < 0) index = 0;
  
  
  
              this.removeHighlight();
  
  
  
              choice = $(choices[index]);
  
              choice.addClass("custom-select-highlighted");
  
  
  
              // ensure assistive technology can determine the active choice
  
              this.search.attr("aria-activedescendant", choice.find(".custom-select-result-label").attr("id"));
  
  
  
              this.ensureHighlightVisible();
  
  
  
              this.liveRegion.text(choice.text());
  
  
  
              data = choice.data("custom-select-data");
  
              if (data) {
  
                  this.opts.element.trigger({ type: "custom-select-highlight", val: this.id(data), choice: data });
  
              }
  
          },
  
  
  
          removeHighlight: function() {
  
              this.results.find(".custom-select-highlighted").removeClass("custom-select-highlighted");
  
          },
  
  
  
          touchMoved: function() {
  
              this._touchMoved = true;
  
          },
  
  
  
          clearTouchMoved: function() {
  
            this._touchMoved = false;
  
          },
  
  
  
          // abstract
  
          countSelectableResults: function() {
  
              return this.findHighlightableChoices().length;
  
          },
  
  
  
          // abstract
  
          highlightUnderEvent: function (event) {
  
              var el = $(event.target).closest(".custom-select-result-selectable");
  
              if (el.length > 0 && !el.is(".custom-select-highlighted")) {
  
                  var choices = this.findHighlightableChoices();
  
                  this.highlight(choices.index(el));
  
              } else if (el.length == 0) {
  
                  // if we are over an unselectable item remove all highlights
  
                  this.removeHighlight();
  
              }
  
          },
  
  
  
          // abstract
  
          loadMoreIfNeeded: function () {
  
              var results = this.results,
  
                  more = results.find("li.custom-select-more-results"),
  
                  below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
  
                  page = this.resultsPage + 1,
  
                  self=this,
  
                  term=this.search.val(),
  
                  context=this.context;
  
  
  
              if (more.length === 0) return;
  
              below = more.offset().top - results.offset().top - results.height();
  
  
  
              if (below <= this.opts.loadMorePadding) {
  
                  more.addClass("custom-select-active");
  
                  this.opts.query({
  
                          element: this.opts.element,
  
                          term: term,
  
                          page: page,
  
                          context: context,
  
                          matcher: this.opts.matcher,
  
                          callback: this.bind(function (data) {
  
  
  
                      // ignore a response if the custom-select has been closed before it was received
  
                      if (!self.opened()) return;
  
  
  
  
  
                      self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
  
                      self.postprocessResults(data, false, false);
  
  
  
                      if (data.more===true) {
  
                          more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1)));
  
                          window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
  
                      } else {
  
                          more.remove();
  
                      }
  
                      self.positionDropdown();
  
                      self.resultsPage = page;
  
                      self.context = data.context;
  
                      this.opts.element.trigger({ type: "custom-select-loaded", items: data });
  
                  })});
  
              }
  
          },
  
  
  
          /**
  
           * Default tokenizer function which does nothing
  
           */
  
          tokenize: function() {
  
  
  
          },
  
  
  
          /**
  
           * @param initial whether or not this is the call to this method right after the dropdown has been opened
  
           */
  
          // abstract
  
          updateResults: function (initial) {
  
              var search = this.search,
  
                  results = this.results,
  
                  opts = this.opts,
  
                  data,
  
                  self = this,
  
                  input,
  
                  term = search.val(),
  
                  lastTerm = $.data(this.container, "custom-select-last-term"),
  
                  // sequence number used to drop out-of-order responses
  
                  queryNumber;
  
  
  
              // prevent duplicate queries against the same term
  
              if (initial !== true && lastTerm && equal(term, lastTerm)) return;
  
  
  
              $.data(this.container, "custom-select-last-term", term);
  
  
  
              // if the search is currently hidden we do not alter the results
  
              if (initial !== true && (this.showSearchInput === false || !this.opened())) {
  
                  return;
  
              }
  
  
  
              function postRender() {
  
                  search.removeClass("custom-select-active");
  
                  self.positionDropdown();
  
                  if (results.find('.custom-select-no-results,.custom-select-selection-limit,.custom-select-searching').length) {
  
                      self.liveRegion.text(results.text());
  
                  }
  
                  else {
  
                      self.liveRegion.text(self.opts.formatMatches(results.find('.custom-select-result-selectable:not(".custom-select-selected")').length));
  
                  }
  
              }
  
  
  
              function render(html) {
  
                  results.html(html);
  
                  postRender();
  
              }
  
  
  
              queryNumber = ++this.queryCount;
  
  
  
              var maxSelSize = this.getMaximumSelectionSize();
  
              if (maxSelSize >=1) {
  
                  data = this.data();
  
                  if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
  
                      render("<li class='custom-select-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
  
                      return;
  
                  }
  
              }
  
  
  
              if (search.val().length < opts.minimumInputLength) {
  
                  if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
  
                      render("<li class='custom-select-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>");
  
                  } else {
  
                      render("");
  
                  }
  
                  if (initial && this.showSearch) this.showSearch(true);
  
                  return;
  
              }
  
  
  
              if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
  
                  if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
  
                      render("<li class='custom-select-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>");
  
                  } else {
  
                      render("");
  
                  }
  
                  return;
  
              }
  
  
  
              if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
  
                  render("<li class='custom-select-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
  
              }
  
  
  
              search.addClass("custom-select-active");
  
  
  
              this.removeHighlight();
  
  
  
              // give the tokenizer a chance to pre-process the input
  
              input = this.tokenize();
  
              if (input != undefined && input != null) {
  
                  search.val(input);
  
              }
  
  
  
              this.resultsPage = 1;
  
  
  
              opts.query({
  
                  element: opts.element,
  
                      term: search.val(),
  
                      page: this.resultsPage,
  
                      context: null,
  
                      matcher: opts.matcher,
  
                      callback: this.bind(function (data) {
  
                  var def; // default choice
  
  
  
                  // ignore old responses
  
                  if (queryNumber != this.queryCount) {
  
                    return;
  
                  }
  
  
  
                  // ignore a response if the custom-select has been closed before it was received
  
                  if (!this.opened()) {
  
                      this.search.removeClass("custom-select-active");
  
                      return;
  
                  }
  
  
  
                  // handle ajax error
  
                  if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) {
  
                      render("<li class='custom-select-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>");
  
                      return;
  
                  }
  
  
  
                  // save context, if any
  
                  this.context = (data.context===undefined) ? null : data.context;
  
                  // create a default choice and prepend it to the list
  
                  if (this.opts.createSearchChoice && search.val() !== "") {
  
                      def = this.opts.createSearchChoice.call(self, search.val(), data.results);
  
                      if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
  
                          if ($(data.results).filter(
  
                              function () {
  
                                  return equal(self.id(this), self.id(def));
  
                              }).length === 0) {
  
                              this.opts.createSearchChoicePosition(data.results, def);
  
                          }
  
                      }
  
                  }
  
  
  
                  if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
  
                      render("<li class='custom-select-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
  
                      return;
  
                  }
  
  
  
                  results.empty();
  
                  self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
  
  
  
                  if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
  
                      results.append("<li class='custom-select-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>");
  
                      window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
  
                  }
  
  
  
                  this.postprocessResults(data, initial);
  
  
  
                  postRender();
  
  
  
                  this.opts.element.trigger({ type: "custom-select-loaded", items: data });
  
              })});
  
          },
  
  
  
          // abstract
  
          cancel: function () {
  
              this.close();
  
          },
  
  
  
          // abstract
  
          blur: function () {
  
              // if selectOnBlur == true, select the currently highlighted option
  
              if (this.opts.selectOnBlur)
  
                  this.selectHighlighted({noFocus: true});
  
  
  
              this.close();
  
              this.container.removeClass("custom-select-container-active");
  
              // synonymous to .is(':focus'), which is available in jquery >= 1.6
  
              if (this.search[0] === document.activeElement) { this.search.blur(); }
  
              this.clearSearch();
  
              this.selection.find(".custom-select-search-choice-focus").removeClass("custom-select-search-choice-focus");
  
          },
  
  
  
          // abstract
  
          focusSearch: function () {
  
              focus(this.search);
  
          },
  
  
  
          // abstract
  
          selectHighlighted: function (options) {
  
              if (this._touchMoved) {
  
                this.clearTouchMoved();
  
                return;
  
              }
  
              var index=this.highlight(),
  
                  highlighted=this.results.find(".custom-select-highlighted"),
  
                  data = highlighted.closest('.custom-select-result').data("custom-select-data");
  
  
  
              if (data) {
  
                  this.highlight(index);
  
                  this.onSelect(data, options);
  
              } else if (options && options.noFocus) {
  
                  this.close();
  
              }
  
          },
  
  
  
          // abstract
  
          getPlaceholder: function () {
  
              var placeholderOption;
  
              return this.opts.element.attr("placeholder") ||
  
                  this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
  
                  this.opts.element.data("placeholder") ||
  
                  this.opts.placeholder ||
  
                  ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
  
          },
  
  
  
          // abstract
  
          getPlaceholderOption: function() {
  
              if (this.select) {
  
                  var firstOption = this.select.children('option').first();
  
                  if (this.opts.placeholderOption !== undefined ) {
  
                      //Determine the placeholder option based on the specified placeholderOption setting
  
                      return (this.opts.placeholderOption === "first" && firstOption) ||
  
                             (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
  
                  } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
  
                      //No explicit placeholder option specified, use the first if it's blank
  
                      return firstOption;
  
                  }
  
              }
  
          },
  
  
  
          /**
  
           * Get the desired width for the container element.  This is
  
           * derived first from option `width` passed to custom-select, then
  
           * the inline 'style' on the original element, and finally
  
           * falls back to the jQuery calculated element width.
  
           */
  
          // abstract
  
          initContainerWidth: function () {
  
              function resolveContainerWidth() {
  
                  var style, attrs, matches, i, l, attr;
  
  
  
                  if (this.opts.width === "off") {
  
                      return null;
  
                  } else if (this.opts.width === "element"){
  
                      return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
  
                  } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
  
                      // check if there is inline style on the element that contains width
  
                      style = this.opts.element.attr('style');
  
                      if (style !== undefined) {
  
                          attrs = style.split(';');
  
                          for (i = 0, l = attrs.length; i < l; i = i + 1) {
  
                              attr = attrs[i].replace(/\s/g, '');
  
                              matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
  
                              if (matches !== null && matches.length >= 1)
  
                                  return matches[1];
  
                          }
  
                      }
  
  
  
                      if (this.opts.width === "resolve") {
  
                          // next check if css('width') can resolve a width that is percent based, this is sometimes possible
  
                          // when attached to input type=hidden or elements hidden via css
  
                          style = this.opts.element.css('width');
  
                          if (style.indexOf("%") > 0) return style;
  
  
  
                          // finally, fallback on the calculated width of the element
  
                          return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
  
                      }
  
  
  
                      return null;
  
                  } else if ($.isFunction(this.opts.width)) {
  
                      return this.opts.width();
  
                  } else {
  
                      return this.opts.width;
  
                 }
  
              };
  
  
  
              var width = resolveContainerWidth.call(this);
  
              if (width !== null) {
  
                  this.container.css("width", width);
  
              }
  
          }
  
      });
  
  
  
      SingleSelect2 = clazz(AbstractSelect2, {
  
  
  
          // single
  
  
  
          createContainer: function () {
  
              var container = $(document.createElement("div")).attr({
  
                  "class": "custom-select-container"
  
              }).html([
  
                  "<a href='javascript:void(0)' class='custom-select-choice' tabindex='-1'>",
  
                  "   <span class='custom-select-chosen'>&#160;</span><abbr class='custom-select-search-choice-close'></abbr>",
  
                  "   <span class='custom-select-arrow' role='presentation'><b role='presentation'></b></span>",
  
                  "</a>",
  
                  "<label for='' class='custom-select-offscreen'></label>",
  
                  "<input class='custom-select-focusser custom-select-offscreen' type='text' aria-haspopup='true' role='button' />",
  
                  "<div class='custom-select-drop custom-select-display-none'>",
  
                  "   <div class='custom-select-search'>",
  
                  "       <label for='' class='custom-select-offscreen'></label>",
  
                  "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='custom-select-input' role='combobox' aria-expanded='true'",
  
                  "       aria-autocomplete='list' />",
  
                  "   </div>",
  
                  "   <ul class='custom-select-results' role='listbox'>",
  
                  "   </ul>",
  
                  "</div>"].join(""));
  
              return container;
  
          },
  
  
  
          // single
  
          enableInterface: function() {
  
              if (this.parent.enableInterface.apply(this, arguments)) {
  
                  this.focusser.prop("disabled", !this.isInterfaceEnabled());
  
              }
  
          },
  
  
  
          // single
  
          opening: function () {
  
              var el, range, len;
  
  
  
              if (this.opts.minimumResultsForSearch >= 0) {
  
                  this.showSearch(true);
  
              }
  
  
  
              this.parent.opening.apply(this, arguments);
  
  
  
              if (this.showSearchInput !== false) {
  
                  // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
  
                  // all other browsers handle this just fine
  
  
  
                  this.search.val(this.focusser.val());
  
              }
  
              if (this.opts.shouldFocusInput(this)) {
  
                  this.search.focus();
  
                  // move the cursor to the end after focussing, otherwise it will be at the beginning and
  
                  // new text will appear *before* focusser.val()
  
                  el = this.search.get(0);
  
                  if (el.createTextRange) {
  
                      range = el.createTextRange();
  
                      range.collapse(false);
  
                      range.select();
  
                  } else if (el.setSelectionRange) {
  
                      len = this.search.val().length;
  
                      el.setSelectionRange(len, len);
  
                  }
  
              }
  
  
  
              // initializes search's value with nextSearchTerm (if defined by user)
  
              // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
  
              if(this.search.val() === "") {
  
                  if(this.nextSearchTerm != undefined){
  
                      this.search.val(this.nextSearchTerm);
  
                      this.search.select();
  
                  }
  
              }
  
  
  
              this.focusser.prop("disabled", true).val("");
  
              this.updateResults(true);
  
              this.opts.element.trigger($.Event("custom-select-open"));
  
          },
  
  
  
          // single
  
          close: function () {
  
              if (!this.opened()) return;
  
              this.parent.close.apply(this, arguments);
  
  
  
              this.focusser.prop("disabled", false);
  
  
  
              if (this.opts.shouldFocusInput(this)) {
  
                  this.focusser.focus();
  
              }
  
          },
  
  
  
          // single
  
          focus: function () {
  
              if (this.opened()) {
  
                  this.close();
  
              } else {
  
                  this.focusser.prop("disabled", false);
  
                  if (this.opts.shouldFocusInput(this)) {
  
                      this.focusser.focus();
  
                  }
  
              }
  
          },
  
  
  
          // single
  
          isFocused: function () {
  
              return this.container.hasClass("custom-select-container-active");
  
          },
  
  
  
          // single
  
          cancel: function () {
  
              this.parent.cancel.apply(this, arguments);
  
              this.focusser.prop("disabled", false);
  
  
  
              if (this.opts.shouldFocusInput(this)) {
  
                  this.focusser.focus();
  
              }
  
          },
  
  
  
          // single
  
          destroy: function() {
  
              $("label[for='" + this.focusser.attr('id') + "']")
  
                  .attr('for', this.opts.element.attr("id"));
  
              this.parent.destroy.apply(this, arguments);
  
  
  
              cleanupJQueryElements.call(this,
  
                  "selection",
  
                  "focusser"
  
              );
  
          },
  
  
  
          // single
  
          initContainer: function () {
  
  
  
              var selection,
  
                  container = this.container,
  
                  dropdown = this.dropdown,
  
                  idSuffix = nextUid(),
  
                  elementLabel;
  
  
  
              if (this.opts.minimumResultsForSearch < 0) {
  
                  this.showSearch(false);
  
              } else {
  
                  this.showSearch(true);
  
              }
  
  
  
              this.selection = selection = container.find(".custom-select-choice");
  
  
  
              this.focusser = container.find(".custom-select-focusser");
  
  
  
              // add aria associations
  
              selection.find(".custom-select-chosen").attr("id", "custom-select-chosen-"+idSuffix);
  
              this.focusser.attr("aria-labelledby", "custom-select-chosen-"+idSuffix);
  
              this.results.attr("id", "custom-select-results-"+idSuffix);
  
              this.search.attr("aria-owns", "custom-select-results-"+idSuffix);
  
  
  
              // rewrite labels from original element to focusser
  
              this.focusser.attr("id", "s2id_autogen"+idSuffix);
  
  
  
              elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
  
              this.opts.element.focus(this.bind(function () { this.focus(); }));
  
  
  
              this.focusser.prev()
  
                  .text(elementLabel.text())
  
                  .attr('for', this.focusser.attr('id'));
  
  
  
              // Ensure the original element retains an accessible name
  
              var originalTitle = this.opts.element.attr("title");
  
              this.opts.element.attr("title", (originalTitle || elementLabel.text()));
  
  
  
              this.focusser.attr("tabindex", this.elementTabIndex);
  
  
  
              // write label for search field using the label from the focusser element
  
              this.search.attr("id", this.focusser.attr('id') + '_search');
  
  
  
              this.search.prev()
  
                  .text($("label[for='" + this.focusser.attr('id') + "']").text())
  
                  .attr('for', this.search.attr('id'));
  
  
  
              this.search.on("keydown", this.bind(function (e) {
  
                  if (!this.isInterfaceEnabled()) return;
  
  
  
                  // filter 229 keyCodes (input method editor is processing key input)
  
                  if (229 == e.keyCode) return;
  
  
  
                  if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
  
                      // prevent the page from scrolling
  
                      killEvent(e);
  
                      return;
  
                  }
  
  
  
                  switch (e.which) {
  
                      case KEY.UP:
  
                      case KEY.DOWN:
  
                          this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
  
                          killEvent(e);
  
                          return;
  
                      case KEY.ENTER:
  
                          this.selectHighlighted();
  
                          killEvent(e);
  
                          return;
  
                      case KEY.TAB:
  
                          this.selectHighlighted({noFocus: true});
  
                          return;
  
                      case KEY.ESC:
  
                          this.cancel(e);
  
                          killEvent(e);
  
                          return;
  
                  }
  
              }));
  
  
  
              this.search.on("blur", this.bind(function(e) {
  
                  // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
  
                  // without this the search field loses focus which is annoying
  
                  if (document.activeElement === this.body.get(0)) {
  
                      window.setTimeout(this.bind(function() {
  
                          if (this.opened()) {
  
                              this.search.focus();
  
                          }
  
                      }), 0);
  
                  }
  
              }));
  
  
  
              this.focusser.on("keydown", this.bind(function (e) {
  
                  if (!this.isInterfaceEnabled()) return;
  
  
  
                  if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
  
                      return;
  
                  }
  
  
  
                  if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
  
                      killEvent(e);
  
                      return;
  
                  }
  
  
  
                  if (e.which == KEY.DOWN || e.which == KEY.UP
  
                      || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
  
  
  
                      if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
  
  
  
                      this.open();
  
                      killEvent(e);
  
                      return;
  
                  }
  
  
  
                  if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
  
                      if (this.opts.allowClear) {
  
                          this.clear();
  
                      }
  
                      killEvent(e);
  
                      return;
  
                  }
  
              }));
  
  
  
  
  
              installKeyUpChangeEvent(this.focusser);
  
              this.focusser.on("keyup-change input", this.bind(function(e) {
  
                  if (this.opts.minimumResultsForSearch >= 0) {
  
                      e.stopPropagation();
  
                      if (this.opened()) return;
  
                      this.open();
  
                  }
  
              }));
  
  
  
              selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
  
                  if (!this.isInterfaceEnabled()) {
  
                      return;
  
                  }
  
  
  
                  this.clear();
  
                  killEventImmediately(e);
  
                  this.close();
  
  
  
                  if (this.selection) {
  
                      this.selection.focus();
  
                  }
  
              }));
  
  
  
              selection.on("mousedown touchstart", this.bind(function (e) {
  
                  // Prevent IE from generating a click event on the body
  
                  reinsertElement(selection);
  
  
  
                  if (!this.container.hasClass("custom-select-container-active")) {
  
                      this.opts.element.trigger($.Event("custom-select-focus"));
  
                  }
  
  
  
                  if (this.opened()) {
  
                      this.close();
  
                  } else if (this.isInterfaceEnabled()) {
  
                      this.open();
  
                  }
  
  
  
                  killEvent(e);
  
              }));
  
  
  
              dropdown.on("mousedown touchstart", this.bind(function() {
  
                  if (this.opts.shouldFocusInput(this)) {
  
                      this.search.focus();
  
                  }
  
              }));
  
  
  
              selection.on("focus", this.bind(function(e) {
  
                  killEvent(e);
  
              }));
  
  
  
              this.focusser.on("focus", this.bind(function(){
  
                  if (!this.container.hasClass("custom-select-container-active")) {
  
                      this.opts.element.trigger($.Event("custom-select-focus"));
  
                  }
  
                  this.container.addClass("custom-select-container-active");
  
              })).on("blur", this.bind(function() {
  
                  if (!this.opened()) {
  
                      this.container.removeClass("custom-select-container-active");
  
                      this.opts.element.trigger($.Event("custom-select-blur"));
  
                  }
  
              }));
  
              this.search.on("focus", this.bind(function(){
  
                  if (!this.container.hasClass("custom-select-container-active")) {
  
                      this.opts.element.trigger($.Event("custom-select-focus"));
  
                  }
  
                  this.container.addClass("custom-select-container-active");
  
              }));
  
  
  
              this.initContainerWidth();
  
              this.opts.element.hide();
  
              this.setPlaceholder();
  
  
  
          },
  
  
  
          // single
  
          clear: function(triggerChange) {
  
              var data=this.selection.data("custom-select-data");
  
              if (data) { // guard against queued quick consecutive clicks
  
                  var evt = $.Event("custom-select-clearing");
  
                  this.opts.element.trigger(evt);
  
                  if (evt.isDefaultPrevented()) {
  
                      return;
  
                  }
  
                  var placeholderOption = this.getPlaceholderOption();
  
                  this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
  
                  this.selection.find(".custom-select-chosen").empty();
  
                  this.selection.removeData("custom-select-data");
  
                  this.setPlaceholder();
  
  
  
                  if (triggerChange !== false){
  
                      this.opts.element.trigger({ type: "custom-select-removed", val: this.id(data), choice: data });
  
                      this.triggerChange({removed:data});
  
                  }
  
              }
  
          },
  
  
  
          /**
  
           * Sets selection based on source element's value
  
           */
  
          // single
  
          initSelection: function () {
  
              var selected;
  
              if (this.isPlaceholderOptionSelected()) {
  
                  this.updateSelection(null);
  
                  this.close();
  
                  this.setPlaceholder();
  
              } else {
  
                  var self = this;
  
                  this.opts.initSelection.call(null, this.opts.element, function(selected){
  
                      if (selected !== undefined && selected !== null) {
  
                          self.updateSelection(selected);
  
                          self.close();
  
                          self.setPlaceholder();
  
                          self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val());
  
                      }
  
                  });
  
              }
  
          },
  
  
  
          isPlaceholderOptionSelected: function() {
  
              var placeholderOption;
  
              if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
  
              return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
  
                  || (this.opts.element.val() === "")
  
                  || (this.opts.element.val() === undefined)
  
                  || (this.opts.element.val() === null);
  
          },
  
  
  
          // single
  
          prepareOpts: function () {
  
              var opts = this.parent.prepareOpts.apply(this, arguments),
  
                  self=this;
  
  
  
              if (opts.element.get(0).tagName.toLowerCase() === "select") {
  
                  // install the selection initializer
  
                  opts.initSelection = function (element, callback) {
  
                      var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
  
                      // a single select box always has a value, no need to null check 'selected'
  
                      callback(self.optionToData(selected));
  
                  };
  
              } else if ("data" in opts) {
  
                  // install default initSelection when applied to hidden input and data is local
  
                  opts.initSelection = opts.initSelection || function (element, callback) {
  
                      var id = element.val();
  
                      //search in data by id, storing the actual matching item
  
                      var match = null;
  
                      opts.query({
  
                          matcher: function(term, text, el){
  
                              var is_match = equal(id, opts.id(el));
  
                              if (is_match) {
  
                                  match = el;
  
                              }
  
                              return is_match;
  
                          },
  
                          callback: !$.isFunction(callback) ? $.noop : function() {
  
                              callback(match);
  
                          }
  
                      });
  
                  };
  
              }
  
  
  
              return opts;
  
          },
  
  
  
          // single
  
          getPlaceholder: function() {
  
              // if a placeholder is specified on a single select without a valid placeholder option ignore it
  
              if (this.select) {
  
                  if (this.getPlaceholderOption() === undefined) {
  
                      return undefined;
  
                  }
  
              }
  
  
  
              return this.parent.getPlaceholder.apply(this, arguments);
  
          },
  
  
  
          // single
  
          setPlaceholder: function () {
  
              var placeholder = this.getPlaceholder();
  
  
  
              if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
  
  
  
                  // check for a placeholder option if attached to a select
  
                  if (this.select && this.getPlaceholderOption() === undefined) return;
  
  
  
                  this.selection.find(".custom-select-chosen").html(this.opts.escapeMarkup(placeholder));
  
  
  
                  this.selection.addClass("custom-select-default");
  
  
  
                  this.container.removeClass("custom-select-allowclear");
  
              }
  
          },
  
  
  
          // single
  
          postprocessResults: function (data, initial, noHighlightUpdate) {
  
              var selected = 0, self = this, showSearchInput = true;
  
  
  
              // find the selected element in the result list
  
  
  
              this.findHighlightableChoices().each2(function (i, elm) {
  
                  if (equal(self.id(elm.data("custom-select-data")), self.opts.element.val())) {
  
                      selected = i;
  
                      return false;
  
                  }
  
              });
  
  
  
              // and highlight it
  
              if (noHighlightUpdate !== false) {
  
                  if (initial === true && selected >= 0) {
  
                      this.highlight(selected);
  
                  } else {
  
                      this.highlight(0);
  
                  }
  
              }
  
  
  
              // hide the search box if this is the first we got the results and there are enough of them for search
  
  
  
              if (initial === true) {
  
                  var min = this.opts.minimumResultsForSearch;
  
                  if (min >= 0) {
  
                      this.showSearch(countResults(data.results) >= min);
  
                  }
  
              }
  
          },
  
  
  
          // single
  
          showSearch: function(showSearchInput) {
  
              if (this.showSearchInput === showSearchInput) return;
  
  
  
              this.showSearchInput = showSearchInput;
  
  
  
              this.dropdown.find(".custom-select-search").toggleClass("custom-select-search-hidden", !showSearchInput);
  
              this.dropdown.find(".custom-select-search").toggleClass("custom-select-offscreen", !showSearchInput);
  
              //add "custom-select-with-searchbox" to the container if search box is shown
  
              $(this.dropdown, this.container).toggleClass("custom-select-with-searchbox", showSearchInput);
  
          },
  
  
  
          // single
  
          onSelect: function (data, options) {
  
  
  
              if (!this.triggerSelect(data)) { return; }
  
  
  
              var old = this.opts.element.val(),
  
                  oldData = this.data();
  
  
  
              this.opts.element.val(this.id(data));
  
              this.updateSelection(data);
  
  
  
              this.opts.element.trigger({ type: "custom-select-selected", val: this.id(data), choice: data });
  
  
  
              this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
  
              this.close();
  
  
  
              if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
  
                  this.focusser.focus();
  
              }
  
  
  
              if (!equal(old, this.id(data))) {
  
                  this.triggerChange({ added: data, removed: oldData });
  
              }
  
          },
  
  
  
          // single
  
          updateSelection: function (data) {
  
  
  
              var container=this.selection.find(".custom-select-chosen"), formatted, cssClass;
  
  
  
              this.selection.data("custom-select-data", data);
  
  
  
              container.empty();
  
              if (data !== null) {
  
                  formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
  
              }
  
              if (formatted !== undefined) {
  
                  container.append(formatted);
  
              }
  
              cssClass=this.opts.formatSelectionCssClass(data, container);
  
              if (cssClass !== undefined) {
  
                  container.addClass(cssClass);
  
              }
  
  
  
              this.selection.removeClass("custom-select-default");
  
  
  
              if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
  
                  this.container.addClass("custom-select-allowclear");
  
              }
  
          },
  
  
  
          // single
  
          val: function () {
  
              var val,
  
                  triggerChange = false,
  
                  data = null,
  
                  self = this,
  
                  oldData = this.data();
  
  
  
              if (arguments.length === 0) {
  
                  return this.opts.element.val();
  
              }
  
  
  
              val = arguments[0];
  
  
  
              if (arguments.length > 1) {
  
                  triggerChange = arguments[1];
  
              }
  
  
  
              if (this.select) {
  
                  this.select
  
                      .val(val)
  
                      .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
  
                          data = self.optionToData(elm);
  
                          return false;
  
                      });
  
                  this.updateSelection(data);
  
                  this.setPlaceholder();
  
                  if (triggerChange) {
  
                      this.triggerChange({added: data, removed:oldData});
  
                  }
  
              } else {
  
                  // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
  
                  if (!val && val !== 0) {
  
                      this.clear(triggerChange);
  
                      return;
  
                  }
  
                  if (this.opts.initSelection === undefined) {
  
                      throw new Error("cannot call val() if initSelection() is not defined");
  
                  }
  
                  this.opts.element.val(val);
  
                  this.opts.initSelection(this.opts.element, function(data){
  
                      self.opts.element.val(!data ? "" : self.id(data));
  
                      self.updateSelection(data);
  
                      self.setPlaceholder();
  
                      if (triggerChange) {
  
                          self.triggerChange({added: data, removed:oldData});
  
                      }
  
                  });
  
              }
  
          },
  
  
  
          // single
  
          clearSearch: function () {
  
              this.search.val("");
  
              this.focusser.val("");
  
          },
  
  
  
          // single
  
          data: function(value) {
  
              var data,
  
                  triggerChange = false;
  
  
  
              if (arguments.length === 0) {
  
                  data = this.selection.data("custom-select-data");
  
                  if (data == undefined) data = null;
  
                  return data;
  
              } else {
  
                  if (arguments.length > 1) {
  
                      triggerChange = arguments[1];
  
                  }
  
                  if (!value) {
  
                      this.clear(triggerChange);
  
                  } else {
  
                      data = this.data();
  
                      this.opts.element.val(!value ? "" : this.id(value));
  
                      this.updateSelection(value);
  
                      if (triggerChange) {
  
                          this.triggerChange({added: value, removed:data});
  
                      }
  
                  }
  
              }
  
          }
  
      });
  
  
  
      MultiSelect2 = clazz(AbstractSelect2, {
  
  
  
          // multi
  
          createContainer: function () {
  
              var container = $(document.createElement("div")).attr({
  
                  "class": "custom-select-container custom-select-container-multi"
  
              }).html([
  
                  "<ul class='custom-select-choices'>",
  
                  "  <li class='custom-select-search-field'>",
  
                  "    <label for='' class='custom-select-offscreen'></label>",
  
                  "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='custom-select-input'>",
  
                  "  </li>",
  
                  "</ul>",
  
                  "<div class='custom-select-drop custom-select-drop-multi custom-select-display-none'>",
  
                  "   <ul class='custom-select-results'>",
  
                  "   </ul>",
  
                  "</div>"].join(""));
  
              return container;
  
          },
  
  
  
          // multi
  
          prepareOpts: function () {
  
              var opts = this.parent.prepareOpts.apply(this, arguments),
  
                  self=this;
  
  
  
              // TODO validate placeholder is a string if specified
  
              if (opts.element.get(0).tagName.toLowerCase() === "select") {
  
                  // install the selection initializer
  
                  opts.initSelection = function (element, callback) {
  
  
  
                      var data = [];
  
  
  
                      element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
  
                          data.push(self.optionToData(elm));
  
                      });
  
                      callback(data);
  
                  };
  
              } else if ("data" in opts) {
  
                  // install default initSelection when applied to hidden input and data is local
  
                  opts.initSelection = opts.initSelection || function (element, callback) {
  
                      var ids = splitVal(element.val(), opts.separator, opts.transformVal);
  
                      //search in data by array of ids, storing matching items in a list
  
                      var matches = [];
  
                      opts.query({
  
                          matcher: function(term, text, el){
  
                              var is_match = $.grep(ids, function(id) {
  
                                  return equal(id, opts.id(el));
  
                              }).length;
  
                              if (is_match) {
  
                                  matches.push(el);
  
                              }
  
                              return is_match;
  
                          },
  
                          callback: !$.isFunction(callback) ? $.noop : function() {
  
                              // reorder matches based on the order they appear in the ids array because right now
  
                              // they are in the order in which they appear in data array
  
                              var ordered = [];
  
                              for (var i = 0; i < ids.length; i++) {
  
                                  var id = ids[i];
  
                                  for (var j = 0; j < matches.length; j++) {
  
                                      var match = matches[j];
  
                                      if (equal(id, opts.id(match))) {
  
                                          ordered.push(match);
  
                                          matches.splice(j, 1);
  
                                          break;
  
                                      }
  
                                  }
  
                              }
  
                              callback(ordered);
  
                          }
  
                      });
  
                  };
  
              }
  
  
  
              return opts;
  
          },
  
  
  
          // multi
  
          selectChoice: function (choice) {
  
  
  
              var selected = this.container.find(".custom-select-search-choice-focus");
  
              if (selected.length && choice && choice[0] == selected[0]) {
  
  
  
              } else {
  
                  if (selected.length) {
  
                      this.opts.element.trigger("choice-deselected", selected);
  
                  }
  
                  selected.removeClass("custom-select-search-choice-focus");
  
                  if (choice && choice.length) {
  
                      this.close();
  
                      choice.addClass("custom-select-search-choice-focus");
  
                      this.opts.element.trigger("choice-selected", choice);
  
                  }
  
              }
  
          },
  
  
  
          // multi
  
          destroy: function() {
  
              $("label[for='" + this.search.attr('id') + "']")
  
                  .attr('for', this.opts.element.attr("id"));
  
              this.parent.destroy.apply(this, arguments);
  
  
  
              cleanupJQueryElements.call(this,
  
                  "searchContainer",
  
                  "selection"
  
              );
  
          },
  
  
  
          // multi
  
          initContainer: function () {
  
  
  
              var selector = ".custom-select-choices", selection;
  
  
  
              this.searchContainer = this.container.find(".custom-select-search-field");
  
              this.selection = selection = this.container.find(selector);
  
  
  
              var _this = this;
  
              this.selection.on("click", ".custom-select-container:not(.custom-select-container-disabled) .custom-select-search-choice:not(.custom-select-locked)", function (e) {
  
                  _this.search[0].focus();
  
                  _this.selectChoice($(this));
  
              });
  
  
  
              // rewrite labels from original element to focusser
  
              this.search.attr("id", "s2id_autogen"+nextUid());
  
  
  
              this.search.prev()
  
                  .text($("label[for='" + this.opts.element.attr("id") + "']").text())
  
                  .attr('for', this.search.attr('id'));
  
              this.opts.element.focus(this.bind(function () { this.focus(); }));
  
  
  
              this.search.on("input paste", this.bind(function() {
  
                  if (this.search.attr('placeholder') && this.search.val().length == 0) return;
  
                  if (!this.isInterfaceEnabled()) return;
  
                  if (!this.opened()) {
  
                      this.open();
  
                  }
  
              }));
  
  
  
              this.search.attr("tabindex", this.elementTabIndex);
  
  
  
              this.keydowns = 0;
  
              this.search.on("keydown", this.bind(function (e) {
  
                  if (!this.isInterfaceEnabled()) return;
  
  
  
                  ++this.keydowns;
  
                  var selected = selection.find(".custom-select-search-choice-focus");
  
                  var prev = selected.prev(".custom-select-search-choice:not(.custom-select-locked)");
  
                  var next = selected.next(".custom-select-search-choice:not(.custom-select-locked)");
  
                  var pos = getCursorInfo(this.search);
  
  
  
                  if (selected.length &&
  
                      (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
  
                      var selectedChoice = selected;
  
                      if (e.which == KEY.LEFT && prev.length) {
  
                          selectedChoice = prev;
  
                      }
  
                      else if (e.which == KEY.RIGHT) {
  
                          selectedChoice = next.length ? next : null;
  
                      }
  
                      else if (e.which === KEY.BACKSPACE) {
  
                          if (this.unselect(selected.first())) {
  
                              this.search.width(10);
  
                              selectedChoice = prev.length ? prev : next;
  
                          }
  
                      } else if (e.which == KEY.DELETE) {
  
                          if (this.unselect(selected.first())) {
  
                              this.search.width(10);
  
                              selectedChoice = next.length ? next : null;
  
                          }
  
                      } else if (e.which == KEY.ENTER) {
  
                          selectedChoice = null;
  
                      }
  
  
  
                      this.selectChoice(selectedChoice);
  
                      killEvent(e);
  
                      if (!selectedChoice || !selectedChoice.length) {
  
                          this.open();
  
                      }
  
                      return;
  
                  } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
  
                      || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
  
  
  
                      this.selectChoice(selection.find(".custom-select-search-choice:not(.custom-select-locked)").last());
  
                      killEvent(e);
  
                      return;
  
                  } else {
  
                      this.selectChoice(null);
  
                  }
  
  
  
                  if (this.opened()) {
  
                      switch (e.which) {
  
                      case KEY.UP:
  
                      case KEY.DOWN:
  
                          this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
  
                          killEvent(e);
  
                          return;
  
                      case KEY.ENTER:
  
                          this.selectHighlighted();
  
                          killEvent(e);
  
                          return;
  
                      case KEY.TAB:
  
                          this.selectHighlighted({noFocus:true});
  
                          this.close();
  
                          return;
  
                      case KEY.ESC:
  
                          this.cancel(e);
  
                          killEvent(e);
  
                          return;
  
                      }
  
                  }
  
  
  
                  if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
  
                   || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
  
                      return;
  
                  }
  
  
  
                  if (e.which === KEY.ENTER) {
  
                      if (this.opts.openOnEnter === false) {
  
                          return;
  
                      } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
  
                          return;
  
                      }
  
                  }
  
  
  
                  this.open();
  
  
  
                  if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
  
                      // prevent the page from scrolling
  
                      killEvent(e);
  
                  }
  
  
  
                  if (e.which === KEY.ENTER) {
  
                      // prevent form from being submitted
  
                      killEvent(e);
  
                  }
  
  
  
              }));
  
  
  
              this.search.on("keyup", this.bind(function (e) {
  
                  this.keydowns = 0;
  
                  this.resizeSearch();
  
              })
  
              );
  
  
  
              this.search.on("blur", this.bind(function(e) {
  
                  this.container.removeClass("custom-select-container-active");
  
                  this.search.removeClass("custom-select-focused");
  
                  this.selectChoice(null);
  
                  if (!this.opened()) this.clearSearch();
  
                  e.stopImmediatePropagation();
  
                  this.opts.element.trigger($.Event("custom-select-blur"));
  
              }));
  
  
  
              this.container.on("click", selector, this.bind(function (e) {
  
                  if (!this.isInterfaceEnabled()) return;
  
                  if ($(e.target).closest(".custom-select-search-choice").length > 0) {
  
                      // clicked inside a custom-select search choice, do not open
  
                      return;
  
                  }
  
                  this.selectChoice(null);
  
                  this.clearPlaceholder();
  
                  if (!this.container.hasClass("custom-select-container-active")) {
  
                      this.opts.element.trigger($.Event("custom-select-focus"));
  
                  }
  
                  this.open();
  
                  this.focusSearch();
  
                  e.preventDefault();
  
              }));
  
  
  
              this.container.on("focus", selector, this.bind(function () {
  
                  if (!this.isInterfaceEnabled()) return;
  
                  if (!this.container.hasClass("custom-select-container-active")) {
  
                      this.opts.element.trigger($.Event("custom-select-focus"));
  
                  }
  
                  this.container.addClass("custom-select-container-active");
  
                  this.dropdown.addClass("custom-select-drop-active");
  
                  this.clearPlaceholder();
  
              }));
  
  
  
              this.initContainerWidth();
  
              this.opts.element.hide();
  
  
  
              // set the placeholder if necessary
  
              this.clearSearch();
  
          },
  
  
  
          // multi
  
          enableInterface: function() {
  
              if (this.parent.enableInterface.apply(this, arguments)) {
  
                  this.search.prop("disabled", !this.isInterfaceEnabled());
  
              }
  
          },
  
  
  
          // multi
  
          initSelection: function () {
  
              var data;
  
              if (this.opts.element.val() === "" && this.opts.element.text() === "") {
  
                  this.updateSelection([]);
  
                  this.close();
  
                  // set the placeholder if necessary
  
                  this.clearSearch();
  
              }
  
              if (this.select || this.opts.element.val() !== "") {
  
                  var self = this;
  
                  this.opts.initSelection.call(null, this.opts.element, function(data){
  
                      if (data !== undefined && data !== null) {
  
                          self.updateSelection(data);
  
                          self.close();
  
                          // set the placeholder if necessary
  
                          self.clearSearch();
  
                      }
  
                  });
  
              }
  
          },
  
  
  
          // multi
  
          clearSearch: function () {
  
              var placeholder = this.getPlaceholder(),
  
                  maxWidth = this.getMaxSearchWidth();
  
  
  
              if (placeholder !== undefined  && this.getVal().length === 0 && this.search.hasClass("custom-select-focused") === false) {
  
                  this.search.val(placeholder).addClass("custom-select-default");
  
                  // stretch the search box to full width of the container so as much of the placeholder is visible as possible
  
                  // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
  
                  this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
  
              } else {
  
                  this.search.val("").width(10);
  
              }
  
          },
  
  
  
          // multi
  
          clearPlaceholder: function () {
  
              if (this.search.hasClass("custom-select-default")) {
  
                  this.search.val("").removeClass("custom-select-default");
  
              }
  
          },
  
  
  
          // multi
  
          opening: function () {
  
              this.clearPlaceholder(); // should be done before super so placeholder is not used to search
  
              this.resizeSearch();
  
  
  
              this.parent.opening.apply(this, arguments);
  
  
  
              this.focusSearch();
  
  
  
              // initializes search's value with nextSearchTerm (if defined by user)
  
              // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
  
              if(this.search.val() === "") {
  
                  if(this.nextSearchTerm != undefined){
  
                      this.search.val(this.nextSearchTerm);
  
                      this.search.select();
  
                  }
  
              }
  
  
  
              this.updateResults(true);
  
              if (this.opts.shouldFocusInput(this)) {
  
                  this.search.focus();
  
              }
  
              this.opts.element.trigger($.Event("custom-select-open"));
  
          },
  
  
  
          // multi
  
          close: function () {
  
              if (!this.opened()) return;
  
              this.parent.close.apply(this, arguments);
  
          },
  
  
  
          // multi
  
          focus: function () {
  
              this.close();
  
              this.search.focus();
  
          },
  
  
  
          // multi
  
          isFocused: function () {
  
              return this.search.hasClass("custom-select-focused");
  
          },
  
  
  
          // multi
  
          updateSelection: function (data) {
  
              var ids = [], filtered = [], self = this;
  
  
  
              // filter out duplicates
  
              $(data).each(function () {
  
                  if (indexOf(self.id(this), ids) < 0) {
  
                      ids.push(self.id(this));
  
                      filtered.push(this);
  
                  }
  
              });
  
              data = filtered;
  
  
  
              this.selection.find(".custom-select-search-choice").remove();
  
              $(data).each(function () {
  
                  self.addSelectedChoice(this);
  
              });
  
              self.postprocessResults();
  
          },
  
  
  
          // multi
  
          tokenize: function() {
  
              var input = this.search.val();
  
              input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
  
              if (input != null && input != undefined) {
  
                  this.search.val(input);
  
                  if (input.length > 0) {
  
                      this.open();
  
                  }
  
              }
  
  
  
          },
  
  
  
          // multi
  
          onSelect: function (data, options) {
  
  
  
              if (!this.triggerSelect(data) || data.text === "") { return; }
  
  
  
              this.addSelectedChoice(data);
  
  
  
              this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
  
  
  
              // keep track of the search's value before it gets cleared
  
              this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
  
  
  
              this.clearSearch();
  
              this.updateResults();
  
  
  
              if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
  
  
  
              if (this.opts.closeOnSelect) {
  
                  this.close();
  
                  this.search.width(10);
  
              } else {
  
                  if (this.countSelectableResults()>0) {
  
                      this.search.width(10);
  
                      this.resizeSearch();
  
                      if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
  
                          // if we reached max selection size repaint the results so choices
  
                          // are replaced with the max selection reached message
  
                          this.updateResults(true);
  
                      } else {
  
                          // initializes search's value with nextSearchTerm and update search result
  
                          if(this.nextSearchTerm != undefined){
  
                              this.search.val(this.nextSearchTerm);
  
                              this.updateResults();
  
                              this.search.select();
  
                          }
  
                      }
  
                      this.positionDropdown();
  
                  } else {
  
                      // if nothing left to select close
  
                      this.close();
  
                      this.search.width(10);
  
                  }
  
              }
  
  
  
              // since its not possible to select an element that has already been
  
              // added we do not need to check if this is a new element before firing change
  
              this.triggerChange({ added: data });
  
  
  
              if (!options || !options.noFocus)
  
                  this.focusSearch();
  
          },
  
  
  
          // multi
  
          cancel: function () {
  
              this.close();
  
              this.focusSearch();
  
          },
  
  
  
          addSelectedChoice: function (data) {
  
              var enableChoice = !data.locked,
  
                  enabledItem = $(
  
                      "<li class='custom-select-search-choice'>" +
  
                      "    <div></div>" +
  
                      "    <a href='#' class='custom-select-search-choice-close' tabindex='-1'></a>" +
  
                      "</li>"),
  
                  disabledItem = $(
  
                      "<li class='custom-select-search-choice custom-select-locked'>" +
  
                      "<div></div>" +
  
                      "</li>");
  
              var choice = enableChoice ? enabledItem : disabledItem,
  
                  id = this.id(data),
  
                  val = this.getVal(),
  
                  formatted,
  
                  cssClass;
  
  
  
              formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
  
              if (formatted != undefined) {
  
                  choice.find("div").replaceWith($("<div></div>").html(formatted));
  
              }
  
              cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
  
              if (cssClass != undefined) {
  
                  choice.addClass(cssClass);
  
              }
  
  
  
              if(enableChoice){
  
                choice.find(".custom-select-search-choice-close")
  
                    .on("mousedown", killEvent)
  
                    .on("click dblclick", this.bind(function (e) {
  
                    if (!this.isInterfaceEnabled()) return;
  
  
  
                    this.unselect($(e.target));
  
                    this.selection.find(".custom-select-search-choice-focus").removeClass("custom-select-search-choice-focus");
  
                    killEvent(e);
  
                    this.close();
  
                    this.focusSearch();
  
                })).on("focus", this.bind(function () {
  
                    if (!this.isInterfaceEnabled()) return;
  
                    this.container.addClass("custom-select-container-active");
  
                    this.dropdown.addClass("custom-select-drop-active");
  
                }));
  
              }
  
  
  
              choice.data("custom-select-data", data);
  
              choice.insertBefore(this.searchContainer);
  
  
  
              val.push(id);
  
              this.setVal(val);
  
          },
  
  
  
          // multi
  
          unselect: function (selected) {
  
              var val = this.getVal(),
  
                  data,
  
                  index;
  
              selected = selected.closest(".custom-select-search-choice");
  
  
  
              if (selected.length === 0) {
  
                  throw "Invalid argument: " + selected + ". Must be .custom-select-search-choice";
  
              }
  
  
  
              data = selected.data("custom-select-data");
  
  
  
              if (!data) {
  
                  // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
  
                  // and invoked on an element already removed
  
                  return;
  
              }
  
  
  
              var evt = $.Event("custom-select-removing");
  
              evt.val = this.id(data);
  
              evt.choice = data;
  
              this.opts.element.trigger(evt);
  
  
  
              if (evt.isDefaultPrevented()) {
  
                  return false;
  
              }
  
  
  
              while((index = indexOf(this.id(data), val)) >= 0) {
  
                  val.splice(index, 1);
  
                  this.setVal(val);
  
                  if (this.select) this.postprocessResults();
  
              }
  
  
  
              selected.remove();
  
  
  
              this.opts.element.trigger({ type: "custom-select-removed", val: this.id(data), choice: data });
  
              this.triggerChange({ removed: data });
  
  
  
              return true;
  
          },
  
  
  
          // multi
  
          postprocessResults: function (data, initial, noHighlightUpdate) {
  
              var val = this.getVal(),
  
                  choices = this.results.find(".custom-select-result"),
  
                  compound = this.results.find(".custom-select-result-with-children"),
  
                  self = this;
  
  
  
              choices.each2(function (i, choice) {
  
                  var id = self.id(choice.data("custom-select-data"));
  
                  if (indexOf(id, val) >= 0) {
  
                      choice.addClass("custom-select-selected");
  
                      // mark all children of the selected parent as selected
  
                      choice.find(".custom-select-result-selectable").addClass("custom-select-selected");
  
                  }
  
              });
  
  
  
              compound.each2(function(i, choice) {
  
                  // hide an optgroup if it doesn't have any selectable children
  
                  if (!choice.is('.select2-result-selectable')
  
                      && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
  
                      choice.addClass("select2-selected");
  
                  }
  
              });
  
  
  
              if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){
  
                  self.highlight(0);
  
              }
  
  
  
              //If all results are chosen render formatNoMatches
  
              if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
  
                  if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
  
                      if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
  
                          this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>");
  
                      }
  
                  }
  
              }
  
  
  
          },
  
  
  
          // multi
  
          getMaxSearchWidth: function() {
  
              return this.selection.width() - getSideBorderPadding(this.search);
  
          },
  
  
  
          // multi
  
          resizeSearch: function () {
  
              var minimumWidth, left, maxWidth, containerLeft, searchWidth,
  
                  sideBorderPadding = getSideBorderPadding(this.search);
  
  
  
              minimumWidth = measureTextWidth(this.search) + 10;
  
  
  
              left = this.search.offset().left;
  
  
  
              maxWidth = this.selection.width();
  
              containerLeft = this.selection.offset().left;
  
  
  
              searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
  
  
  
              if (searchWidth < minimumWidth) {
  
                  searchWidth = maxWidth - sideBorderPadding;
  
              }
  
  
  
              if (searchWidth < 40) {
  
                  searchWidth = maxWidth - sideBorderPadding;
  
              }
  
  
  
              if (searchWidth <= 0) {
  
                searchWidth = minimumWidth;
  
              }
  
  
  
              this.search.width(Math.floor(searchWidth));
  
          },
  
  
  
          // multi
  
          getVal: function () {
  
              var val;
  
              if (this.select) {
  
                  val = this.select.val();
  
                  return val === null ? [] : val;
  
              } else {
  
                  val = this.opts.element.val();
  
                  return splitVal(val, this.opts.separator, this.opts.transformVal);
  
              }
  
          },
  
  
  
          // multi
  
          setVal: function (val) {
  
              var unique;
  
              if (this.select) {
  
                  this.select.val(val);
  
              } else {
  
                  unique = [];
  
                  // filter out duplicates
  
                  $(val).each(function () {
  
                      if (indexOf(this, unique) < 0) unique.push(this);
  
                  });
  
                  this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
  
              }
  
          },
  
  
  
          // multi
  
          buildChangeDetails: function (old, current) {
  
              var current = current.slice(0),
  
                  old = old.slice(0);
  
  
  
              // remove intersection from each array
  
              for (var i = 0; i < current.length; i++) {
  
                  for (var j = 0; j < old.length; j++) {
  
                      if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
  
                          current.splice(i, 1);
  
                          if(i>0){
  
                              i--;
  
                          }
  
                          old.splice(j, 1);
  
                          j--;
  
                      }
  
                  }
  
              }
  
  
  
              return {added: current, removed: old};
  
          },
  
  
  
  
  
          // multi
  
          val: function (val, triggerChange) {
  
              var oldData, self=this;
  
  
  
              if (arguments.length === 0) {
  
                  return this.getVal();
  
              }
  
  
  
              oldData=this.data();
  
              if (!oldData.length) oldData=[];
  
  
  
              // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
  
              if (!val && val !== 0) {
  
                  this.opts.element.val("");
  
                  this.updateSelection([]);
  
                  this.clearSearch();
  
                  if (triggerChange) {
  
                      this.triggerChange({added: this.data(), removed: oldData});
  
                  }
  
                  return;
  
              }
  
  
  
              // val is a list of ids
  
              this.setVal(val);
  
  
  
              if (this.select) {
  
                  this.opts.initSelection(this.select, this.bind(this.updateSelection));
  
                  if (triggerChange) {
  
                      this.triggerChange(this.buildChangeDetails(oldData, this.data()));
  
                  }
  
              } else {
  
                  if (this.opts.initSelection === undefined) {
  
                      throw new Error("val() cannot be called if initSelection() is not defined");
  
                  }
  
  
  
                  this.opts.initSelection(this.opts.element, function(data){
  
                      var ids=$.map(data, self.id);
  
                      self.setVal(ids);
  
                      self.updateSelection(data);
  
                      self.clearSearch();
  
                      if (triggerChange) {
  
                          self.triggerChange(self.buildChangeDetails(oldData, self.data()));
  
                      }
  
                  });
  
              }
  
              this.clearSearch();
  
          },
  
  
  
          // multi
  
          onSortStart: function() {
  
              if (this.select) {
  
                  throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
  
              }
  
  
  
              // collapse search field into 0 width so its container can be collapsed as well
  
              this.search.width(0);
  
              // hide the container
  
              this.searchContainer.hide();
  
          },
  
  
  
          // multi
  
          onSortEnd:function() {
  
  
  
              var val=[], self=this;
  
  
  
              // show search and move it to the end of the list
  
              this.searchContainer.show();
  
              // make sure the search container is the last item in the list
  
              this.searchContainer.appendTo(this.searchContainer.parent());
  
              // since we collapsed the width in dragStarted, we resize it here
  
              this.resizeSearch();
  
  
  
              // update selection
  
              this.selection.find(".select2-search-choice").each(function() {
  
                  val.push(self.opts.id($(this).data("select2-data")));
  
              });
  
              this.setVal(val);
  
              this.triggerChange();
  
          },
  
  
  
          // multi
  
          data: function(values, triggerChange) {
  
              var self=this, ids, old;
  
              if (arguments.length === 0) {
  
                   return this.selection
  
                       .children(".select2-search-choice")
  
                       .map(function() { return $(this).data("select2-data"); })
  
                       .get();
  
              } else {
  
                  old = this.data();
  
                  if (!values) { values = []; }
  
                  ids = $.map(values, function(e) { return self.opts.id(e); });
  
                  this.setVal(ids);
  
                  this.updateSelection(values);
  
                  this.clearSearch();
  
                  if (triggerChange) {
  
                      this.triggerChange(this.buildChangeDetails(old, this.data()));
  
                  }
  
              }
  
          }
  
      });
  
  
  
      $.fn.select2 = function () {
  
  
  
          var args = Array.prototype.slice.call(arguments, 0),
  
              opts,
  
              select2,
  
              method, value, multiple,
  
              allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
  
              valueMethods = ["opened", "isFocused", "container", "dropdown"],
  
              propertyMethods = ["val", "data"],
  
              methodsMap = { search: "externalSearch" };
  
  
  
          this.each(function () {
  
              if (args.length === 0 || typeof(args[0]) === "object") {
  
                  opts = args.length === 0 ? {} : $.extend({}, args[0]);
  
                  opts.element = $(this);
  
  
  
                  if (opts.element.get(0).tagName.toLowerCase() === "select") {
  
                      multiple = opts.element.prop("multiple");
  
                  } else {
  
                      multiple = opts.multiple || false;
  
                      if ("tags" in opts) {opts.multiple = multiple = true;}
  
                  }
  
  
  
                  select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
  
                  select2.init(opts);
  
              } else if (typeof(args[0]) === "string") {
  
  
  
                  if (indexOf(args[0], allowedMethods) < 0) {
  
                      throw "Unknown method: " + args[0];
  
                  }
  
  
  
                  value = undefined;
  
                  select2 = $(this).data("select2");
  
                  if (select2 === undefined) return;
  
  
  
                  method=args[0];
  
  
  
                  if (method === "container") {
  
                      value = select2.container;
  
                  } else if (method === "dropdown") {
  
                      value = select2.dropdown;
  
                  } else {
  
                      if (methodsMap[method]) method = methodsMap[method];
  
  
  
                      value = select2[method].apply(select2, args.slice(1));
  
                  }
  
                  if (indexOf(args[0], valueMethods) >= 0
  
                      || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
  
                      return false; // abort the iteration, ready to return first matched value
  
                  }
  
              } else {
  
                  throw "Invalid arguments to select2 plugin: " + args;
  
              }
  
          });
  
          return (value === undefined) ? this : value;
  
      };
  
  
  
      // plugin defaults, accessible to users
  
      $.fn.select2.defaults = {
  
          width: "copy",
  
          loadMorePadding: 0,
  
          closeOnSelect: true,
  
          openOnEnter: true,
  
          containerCss: {},
  
          dropdownCss: {},
  
          containerCssClass: "",
  
          dropdownCssClass: "",
  
          formatResult: function(result, container, query, escapeMarkup) {
  
              var markup=[];
  
              markMatch(this.text(result), query.term, markup, escapeMarkup);
  
              return markup.join("");
  
          },
  
          transformVal: function(val) {
  
              return $.trim(val);
  
          },
  
          formatSelection: function (data, container, escapeMarkup) {
  
              return data ? escapeMarkup(this.text(data)) : undefined;
  
          },
  
          sortResults: function (results, container, query) {
  
              return results;
  
          },
  
          formatResultCssClass: function(data) {return data.css;},
  
          formatSelectionCssClass: function(data, container) {return undefined;},
  
          minimumResultsForSearch: 0,
  
          minimumInputLength: 0,
  
          maximumInputLength: null,
  
          maximumSelectionSize: 0,
  
          id: function (e) { return e == undefined ? null : e.id; },
  
          text: function (e) {
  
            if (e && this.data && this.data.text) {
  
              if ($.isFunction(this.data.text)) {
  
                return this.data.text(e);
  
              } else {
  
                return e[this.data.text];
  
              }
  
            } else {
  
              return e.text;
  
            }
  
          },
  
          matcher: function(term, text) {
  
              return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
  
          },
  
          separator: ",",
  
          tokenSeparators: [],
  
          tokenizer: defaultTokenizer,
  
          escapeMarkup: defaultEscapeMarkup,
  
          blurOnChange: false,
  
          selectOnBlur: false,
  
          adaptContainerCssClass: function(c) { return c; },
  
          adaptDropdownCssClass: function(c) { return null; },
  
          nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
  
          searchInputPlaceholder: '',
  
          createSearchChoicePosition: 'top',
  
          shouldFocusInput: function (instance) {
  
              // Attempt to detect touch devices
  
              var supportsTouchEvents = (('ontouchstart' in window) ||
  
                                         (navigator.msMaxTouchPoints > 0));
  
  
  
              // Only devices which support touch events should be special cased
  
              if (!supportsTouchEvents) {
  
                  return true;
  
              }
  
  
  
              // Never focus the input if search is disabled
  
              if (instance.opts.minimumResultsForSearch < 0) {
  
                  return false;
  
              }
  
  
  
              return true;
  
          }
  
      };
  
  
  
      $.fn.select2.locales = [];
  
  
  
      $.fn.select2.locales['en'] = {
  
           formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; },
  
           formatNoMatches: function () { return "No matches found"; },
  
           formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; },
  
           formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); },
  
           formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); },
  
           formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
  
           formatLoadMore: function (pageNumber) { return "Loading more results…"; },
  
           formatSearching: function () { return "Searching…"; }
  
      };
  
  
  
      $.extend($.fn.select2.defaults, $.fn.select2.locales['en']);
  
  
  
      $.fn.select2.ajaxDefaults = {
  
          transport: $.ajax,
  
          params: {
  
              type: "GET",
  
              cache: false,
  
              dataType: "json"
  
          }
  
      };
  
  
  
      // exports
  
      window.Select2 = {
  
          query: {
  
              ajax: ajax,
  
              local: local,
  
              tags: tags
  
          }, util: {
  
              debounce: debounce,
  
              markMatch: markMatch,
  
              escapeMarkup: defaultEscapeMarkup,
  
              stripDiacritics: stripDiacritics
  
          }, "class": {
  
              "abstract": AbstractSelect2,
  
              "single": SingleSelect2,
  
              "multi": MultiSelect2
  
          }
  
      };
  
  
  
  }(jQuery));
  
  