/(function($){
    Drupal.behaviors.block_carousel = {
        attach: function (context, settings) {
            if ($('.page-node .owl-carousel-rte').length) {
                $('.owl-carousel-rte').owlCarousel({
                    pagination: false,
                    navigation: true, // Show next and prev buttons
                    slideSpeed: 300,
                    paginationSpeed: 400,
                    singleItem: true,
                    // "singleItem:true" is a shortcut for:
                    // items : 1,
                    // itemsDesktop : false,
                    // itemsDesktopSmall : false,
                    // itemsTablet: false,
                    itemsMobile: false

                });
            }
        }
    };
})(jQuery);



;/*})'"*/
;/*})'"*/
/*
Copyright 2012 Igor Vaynberg

Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015

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='select2-measure-scrollbar'></div>",

    DIACRITICS = {"\u24B6":"A","\uFF21":"A","\u00C0":"A","\u00C1":"A","\u00C2":"A","\u1EA6":"A","\u1EA4":"A","\u1EAA":"A","\u1EA8":"A","\u00C3":"A","\u0100":"A","\u0102":"A","\u1EB0":"A","\u1EAE":"A","\u1EB4":"A","\u1EB2":"A","\u0226":"A","\u01E0":"A","\u00C4":"A","\u01DE":"A","\u1EA2":"A","\u00C5":"A","\u01FA":"A","\u01CD":"A","\u0200":"A","\u0202":"A","\u1EA0":"A","\u1EAC":"A","\u1EB6":"A","\u1E00":"A","\u0104":"A","\u023A":"A","\u2C6F":"A","\uA732":"AA","\u00C6":"AE","\u01FC":"AE","\u01E2":"AE","\uA734":"AO","\uA736":"AU","\uA738":"AV","\uA73A":"AV","\uA73C":"AY","\u24B7":"B","\uFF22":"B","\u1E02":"B","\u1E04":"B","\u1E06":"B","\u0243":"B","\u0182":"B","\u0181":"B","\u24B8":"C","\uFF23":"C","\u0106":"C","\u0108":"C","\u010A":"C","\u010C":"C","\u00C7":"C","\u1E08":"C","\u0187":"C","\u023B":"C","\uA73E":"C","\u24B9":"D","\uFF24":"D","\u1E0A":"D","\u010E":"D","\u1E0C":"D","\u1E10":"D","\u1E12":"D","\u1E0E":"D","\u0110":"D","\u018B":"D","\u018A":"D","\u0189":"D","\uA779":"D","\u01F1":"DZ","\u01C4":"DZ","\u01F2":"Dz","\u01C5":"Dz","\u24BA":"E","\uFF25":"E","\u00C8":"E","\u00C9":"E","\u00CA":"E","\u1EC0":"E","\u1EBE":"E","\u1EC4":"E","\u1EC2":"E","\u1EBC":"E","\u0112":"E","\u1E14":"E","\u1E16":"E","\u0114":"E","\u0116":"E","\u00CB":"E","\u1EBA":"E","\u011A":"E","\u0204":"E","\u0206":"E","\u1EB8":"E","\u1EC6":"E","\u0228":"E","\u1E1C":"E","\u0118":"E","\u1E18":"E","\u1E1A":"E","\u0190":"E","\u018E":"E","\u24BB":"F","\uFF26":"F","\u1E1E":"F","\u0191":"F","\uA77B":"F","\u24BC":"G","\uFF27":"G","\u01F4":"G","\u011C":"G","\u1E20":"G","\u011E":"G","\u0120":"G","\u01E6":"G","\u0122":"G","\u01E4":"G","\u0193":"G","\uA7A0":"G","\uA77D":"G","\uA77E":"G","\u24BD":"H","\uFF28":"H","\u0124":"H","\u1E22":"H","\u1E26":"H","\u021E":"H","\u1E24":"H","\u1E28":"H","\u1E2A":"H","\u0126":"H","\u2C67":"H","\u2C75":"H","\uA78D":"H","\u24BE":"I","\uFF29":"I","\u00CC":"I","\u00CD":"I","\u00CE":"I","\u0128":"I","\u012A":"I","\u012C":"I","\u0130":"I","\u00CF":"I","\u1E2E":"I","\u1EC8":"I","\u01CF":"I","\u0208":"I","\u020A":"I","\u1ECA":"I","\u012E":"I","\u1E2C":"I","\u0197":"I","\u24BF":"J","\uFF2A":"J","\u0134":"J","\u0248":"J","\u24C0":"K","\uFF2B":"K","\u1E30":"K","\u01E8":"K","\u1E32":"K","\u0136":"K","\u1E34":"K","\u0198":"K","\u2C69":"K","\uA740":"K","\uA742":"K","\uA744":"K","\uA7A2":"K","\u24C1":"L","\uFF2C":"L","\u013F":"L","\u0139":"L","\u013D":"L","\u1E36":"L","\u1E38":"L","\u013B":"L","\u1E3C":"L","\u1E3A":"L","\u0141":"L","\u023D":"L","\u2C62":"L","\u2C60":"L","\uA748":"L","\uA746":"L","\uA780":"L","\u01C7":"LJ","\u01C8":"Lj","\u24C2":"M","\uFF2D":"M","\u1E3E":"M","\u1E40":"M","\u1E42":"M","\u2C6E":"M","\u019C":"M","\u24C3":"N","\uFF2E":"N","\u01F8":"N","\u0143":"N","\u00D1":"N","\u1E44":"N","\u0147":"N","\u1E46":"N","\u0145":"N","\u1E4A":"N","\u1E48":"N","\u0220":"N","\u019D":"N","\uA790":"N","\uA7A4":"N","\u01CA":"NJ","\u01CB":"Nj","\u24C4":"O","\uFF2F":"O","\u00D2":"O","\u00D3":"O","\u00D4":"O","\u1ED2":"O","\u1ED0":"O","\u1ED6":"O","\u1ED4":"O","\u00D5":"O","\u1E4C":"O","\u022C":"O","\u1E4E":"O","\u014C":"O","\u1E50":"O","\u1E52":"O","\u014E":"O","\u022E":"O","\u0230":"O","\u00D6":"O","\u022A":"O","\u1ECE":"O","\u0150":"O","\u01D1":"O","\u020C":"O","\u020E":"O","\u01A0":"O","\u1EDC":"O","\u1EDA":"O","\u1EE0":"O","\u1EDE":"O","\u1EE2":"O","\u1ECC":"O","\u1ED8":"O","\u01EA":"O","\u01EC":"O","\u00D8":"O","\u01FE":"O","\u0186":"O","\u019F":"O","\uA74A":"O","\uA74C":"O","\u01A2":"OI","\uA74E":"OO","\u0222":"OU","\u24C5":"P","\uFF30":"P","\u1E54":"P","\u1E56":"P","\u01A4":"P","\u2C63":"P","\uA750":"P","\uA752":"P","\uA754":"P","\u24C6":"Q","\uFF31":"Q","\uA756":"Q","\uA758":"Q","\u024A":"Q","\u24C7":"R","\uFF32":"R","\u0154":"R","\u1E58":"R","\u0158":"R","\u0210":"R","\u0212":"R","\u1E5A":"R","\u1E5C":"R","\u0156":"R","\u1E5E":"R","\u024C":"R","\u2C64":"R","\uA75A":"R","\uA7A6":"R","\uA782":"R","\u24C8":"S","\uFF33":"S","\u1E9E":"S","\u015A":"S","\u1E64":"S","\u015C":"S","\u1E60":"S","\u0160":"S","\u1E66":"S","\u1E62":"S","\u1E68":"S","\u0218":"S","\u015E":"S","\u2C7E":"S","\uA7A8":"S","\uA784":"S","\u24C9":"T","\uFF34":"T","\u1E6A":"T","\u0164":"T","\u1E6C":"T","\u021A":"T","\u0162":"T","\u1E70":"T","\u1E6E":"T","\u0166":"T","\u01AC":"T","\u01AE":"T","\u023E":"T","\uA786":"T","\uA728":"TZ","\u24CA":"U","\uFF35":"U","\u00D9":"U","\u00DA":"U","\u00DB":"U","\u0168":"U","\u1E78":"U","\u016A":"U","\u1E7A":"U","\u016C":"U","\u00DC":"U","\u01DB":"U","\u01D7":"U","\u01D5":"U","\u01D9":"U","\u1EE6":"U","\u016E":"U","\u0170":"U","\u01D3":"U","\u0214":"U","\u0216":"U","\u01AF":"U","\u1EEA":"U","\u1EE8":"U","\u1EEE":"U","\u1EEC":"U","\u1EF0":"U","\u1EE4":"U","\u1E72":"U","\u0172":"U","\u1E76":"U","\u1E74":"U","\u0244":"U","\u24CB":"V","\uFF36":"V","\u1E7C":"V","\u1E7E":"V","\u01B2":"V","\uA75E":"V","\u0245":"V","\uA760":"VY","\u24CC":"W","\uFF37":"W","\u1E80":"W","\u1E82":"W","\u0174":"W","\u1E86":"W","\u1E84":"W","\u1E88":"W","\u2C72":"W","\u24CD":"X","\uFF38":"X","\u1E8A":"X","\u1E8C":"X","\u24CE":"Y","\uFF39":"Y","\u1EF2":"Y","\u00DD":"Y","\u0176":"Y","\u1EF8":"Y","\u0232":"Y","\u1E8E":"Y","\u0178":"Y","\u1EF6":"Y","\u1EF4":"Y","\u01B3":"Y","\u024E":"Y","\u1EFE":"Y","\u24CF":"Z","\uFF3A":"Z","\u0179":"Z","\u1E90":"Z","\u017B":"Z","\u017D":"Z","\u1E92":"Z","\u1E94":"Z","\u01B5":"Z","\u0224":"Z","\u2C7F":"Z","\u2C6B":"Z","\uA762":"Z","\u24D0":"a","\uFF41":"a","\u1E9A":"a","\u00E0":"a","\u00E1":"a","\u00E2":"a","\u1EA7":"a","\u1EA5":"a","\u1EAB":"a","\u1EA9":"a","\u00E3":"a","\u0101":"a","\u0103":"a","\u1EB1":"a","\u1EAF":"a","\u1EB5":"a","\u1EB3":"a","\u0227":"a","\u01E1":"a","\u00E4":"a","\u01DF":"a","\u1EA3":"a","\u00E5":"a","\u01FB":"a","\u01CE":"a","\u0201":"a","\u0203":"a","\u1EA1":"a","\u1EAD":"a","\u1EB7":"a","\u1E01":"a","\u0105":"a","\u2C65":"a","\u0250":"a","\uA733":"aa","\u00E6":"ae","\u01FD":"ae","\u01E3":"ae","\uA735":"ao","\uA737":"au","\uA739":"av","\uA73B":"av","\uA73D":"ay","\u24D1":"b","\uFF42":"b","\u1E03":"b","\u1E05":"b","\u1E07":"b","\u0180":"b","\u0183":"b","\u0253":"b","\u24D2":"c","\uFF43":"c","\u0107":"c","\u0109":"c","\u010B":"c","\u010D":"c","\u00E7":"c","\u1E09":"c","\u0188":"c","\u023C":"c","\uA73F":"c","\u2184":"c","\u24D3":"d","\uFF44":"d","\u1E0B":"d","\u010F":"d","\u1E0D":"d","\u1E11":"d","\u1E13":"d","\u1E0F":"d","\u0111":"d","\u018C":"d","\u0256":"d","\u0257":"d","\uA77A":"d","\u01F3":"dz","\u01C6":"dz","\u24D4":"e","\uFF45":"e","\u00E8":"e","\u00E9":"e","\u00EA":"e","\u1EC1":"e","\u1EBF":"e","\u1EC5":"e","\u1EC3":"e","\u1EBD":"e","\u0113":"e","\u1E15":"e","\u1E17":"e","\u0115":"e","\u0117":"e","\u00EB":"e","\u1EBB":"e","\u011B":"e","\u0205":"e","\u0207":"e","\u1EB9":"e","\u1EC7":"e","\u0229":"e","\u1E1D":"e","\u0119":"e","\u1E19":"e","\u1E1B":"e","\u0247":"e","\u025B":"e","\u01DD":"e","\u24D5":"f","\uFF46":"f","\u1E1F":"f","\u0192":"f","\uA77C":"f","\u24D6":"g","\uFF47":"g","\u01F5":"g","\u011D":"g","\u1E21":"g","\u011F":"g","\u0121":"g","\u01E7":"g","\u0123":"g","\u01E5":"g","\u0260":"g","\uA7A1":"g","\u1D79":"g","\uA77F":"g","\u24D7":"h","\uFF48":"h","\u0125":"h","\u1E23":"h","\u1E27":"h","\u021F":"h","\u1E25":"h","\u1E29":"h","\u1E2B":"h","\u1E96":"h","\u0127":"h","\u2C68":"h","\u2C76":"h","\u0265":"h","\u0195":"hv","\u24D8":"i","\uFF49":"i","\u00EC":"i","\u00ED":"i","\u00EE":"i","\u0129":"i","\u012B":"i","\u012D":"i","\u00EF":"i","\u1E2F":"i","\u1EC9":"i","\u01D0":"i","\u0209":"i","\u020B":"i","\u1ECB":"i","\u012F":"i","\u1E2D":"i","\u0268":"i","\u0131":"i","\u24D9":"j","\uFF4A":"j","\u0135":"j","\u01F0":"j","\u0249":"j","\u24DA":"k","\uFF4B":"k","\u1E31":"k","\u01E9":"k","\u1E33":"k","\u0137":"k","\u1E35":"k","\u0199":"k","\u2C6A":"k","\uA741":"k","\uA743":"k","\uA745":"k","\uA7A3":"k","\u24DB":"l","\uFF4C":"l","\u0140":"l","\u013A":"l","\u013E":"l","\u1E37":"l","\u1E39":"l","\u013C":"l","\u1E3D":"l","\u1E3B":"l","\u017F":"l","\u0142":"l","\u019A":"l","\u026B":"l","\u2C61":"l","\uA749":"l","\uA781":"l","\uA747":"l","\u01C9":"lj","\u24DC":"m","\uFF4D":"m","\u1E3F":"m","\u1E41":"m","\u1E43":"m","\u0271":"m","\u026F":"m","\u24DD":"n","\uFF4E":"n","\u01F9":"n","\u0144":"n","\u00F1":"n","\u1E45":"n","\u0148":"n","\u1E47":"n","\u0146":"n","\u1E4B":"n","\u1E49":"n","\u019E":"n","\u0272":"n","\u0149":"n","\uA791":"n","\uA7A5":"n","\u01CC":"nj","\u24DE":"o","\uFF4F":"o","\u00F2":"o","\u00F3":"o","\u00F4":"o","\u1ED3":"o","\u1ED1":"o","\u1ED7":"o","\u1ED5":"o","\u00F5":"o","\u1E4D":"o","\u022D":"o","\u1E4F":"o","\u014D":"o","\u1E51":"o","\u1E53":"o","\u014F":"o","\u022F":"o","\u0231":"o","\u00F6":"o","\u022B":"o","\u1ECF":"o","\u0151":"o","\u01D2":"o","\u020D":"o","\u020F":"o","\u01A1":"o","\u1EDD":"o","\u1EDB":"o","\u1EE1":"o","\u1EDF":"o","\u1EE3":"o","\u1ECD":"o","\u1ED9":"o","\u01EB":"o","\u01ED":"o","\u00F8":"o","\u01FF":"o","\u0254":"o","\uA74B":"o","\uA74D":"o","\u0275":"o","\u01A3":"oi","\u0223":"ou","\uA74F":"oo","\u24DF":"p","\uFF50":"p","\u1E55":"p","\u1E57":"p","\u01A5":"p","\u1D7D":"p","\uA751":"p","\uA753":"p","\uA755":"p","\u24E0":"q","\uFF51":"q","\u024B":"q","\uA757":"q","\uA759":"q","\u24E1":"r","\uFF52":"r","\u0155":"r","\u1E59":"r","\u0159":"r","\u0211":"r","\u0213":"r","\u1E5B":"r","\u1E5D":"r","\u0157":"r","\u1E5F":"r","\u024D":"r","\u027D":"r","\uA75B":"r","\uA7A7":"r","\uA783":"r","\u24E2":"s","\uFF53":"s","\u00DF":"s","\u015B":"s","\u1E65":"s","\u015D":"s","\u1E61":"s","\u0161":"s","\u1E67":"s","\u1E63":"s","\u1E69":"s","\u0219":"s","\u015F":"s","\u023F":"s","\uA7A9":"s","\uA785":"s","\u1E9B":"s","\u24E3":"t","\uFF54":"t","\u1E6B":"t","\u1E97":"t","\u0165":"t","\u1E6D":"t","\u021B":"t","\u0163":"t","\u1E71":"t","\u1E6F":"t","\u0167":"t","\u01AD":"t","\u0288":"t","\u2C66":"t","\uA787":"t","\uA729":"tz","\u24E4":"u","\uFF55":"u","\u00F9":"u","\u00FA":"u","\u00FB":"u","\u0169":"u","\u1E79":"u","\u016B":"u","\u1E7B":"u","\u016D":"u","\u00FC":"u","\u01DC":"u","\u01D8":"u","\u01D6":"u","\u01DA":"u","\u1EE7":"u","\u016F":"u","\u0171":"u","\u01D4":"u","\u0215":"u","\u0217":"u","\u01B0":"u","\u1EEB":"u","\u1EE9":"u","\u1EEF":"u","\u1EED":"u","\u1EF1":"u","\u1EE5":"u","\u1E73":"u","\u0173":"u","\u1E77":"u","\u1E75":"u","\u0289":"u","\u24E5":"v","\uFF56":"v","\u1E7D":"v","\u1E7F":"v","\u028B":"v","\uA75F":"v","\u028C":"v","\uA761":"vy","\u24E6":"w","\uFF57":"w","\u1E81":"w","\u1E83":"w","\u0175":"w","\u1E87":"w","\u1E85":"w","\u1E98":"w","\u1E89":"w","\u2C73":"w","\u24E7":"x","\uFF58":"x","\u1E8B":"x","\u1E8D":"x","\u24E8":"y","\uFF59":"y","\u1EF3":"y","\u00FD":"y","\u0177":"y","\u1EF9":"y","\u0233":"y","\u1E8F":"y","\u00FF":"y","\u1EF7":"y","\u1E99":"y","\u1EF5":"y","\u01B4":"y","\u024F":"y","\u1EFF":"y","\u24E9":"z","\uFF5A":"z","\u017A":"z","\u1E91":"z","\u017C":"z","\u017E":"z","\u1E93":"z","\u1E95":"z","\u01B6":"z","\u0225":"z","\u0240":"z","\u2C6C":"z","\uA763":"z","\u0386":"\u0391","\u0388":"\u0395","\u0389":"\u0397","\u038A":"\u0399","\u03AA":"\u0399","\u038C":"\u039F","\u038E":"\u03A5","\u03AB":"\u03A5","\u038F":"\u03A9","\u03AC":"\u03B1","\u03AD":"\u03B5","\u03AE":"\u03B7","\u03AF":"\u03B9","\u03CA":"\u03B9","\u0390":"\u03B9","\u03CC":"\u03BF","\u03CD":"\u03C5","\u03CB":"\u03C5","\u03B0":"\u03C5","\u03C9":"\u03C9","\u03C2":"\u03C3"};

    $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","select2-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("select2-") === 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("select2-") !== 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='select2-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.select2.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.select2.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 select2'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 = ".select2-results";

            // prepare options
            this.opts = opts = this.prepareOpts(opts);

            this.id=opts.id;

            // destroy if called on an existing component
            if (opts.element.data("select2") !== undefined &&
                opts.element.data("select2") !== null) {
                opts.element.data("select2").destroy();
            }

            this.container = this.createContainer();

            this.liveRegion = $('.select2-hidden-accessible');
            if (this.liveRegion.length == 0) {
                this.liveRegion = $("<span>", {
                        role: "status",
                        "aria-live": "polite"
                    })
                    .addClass("select2-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("select2", this)
                .attr("tabindex", "-1")
                .before(this.container)
                .on("click.select2", killEvent); // do not leak click events

            this.container.data("select2", this);

            this.dropdown = this.container.find(".select2-drop");

            syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);

            this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
            this.dropdown.data("select2", this);
            this.dropdown.on("click", killEvent);

            this.results = results = this.container.find(resultsSelector);
            this.search = search = this.container.find("input.select2-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", ".select2-input", function(e) {e.stopPropagation();});
            $(this.dropdown).on("change", ".select2-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("select2-focused"); });
            search.on("blur", function () { search.removeClass("select2-focused");});

            this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
                if ($(e.target).closest(".select2-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 select2's
            // dom it will trigger the popup close, which is not what we want
            // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
            this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });

            this.lastSearchTerm = 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, select2 = element.data("select2"), 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 (select2 !== undefined) {
                select2.container.remove();
                select2.liveRegion.remove();
                select2.dropdown.remove();
                element.removeData("select2")
                    .off(".select2");
                if (!element.is("input[type='hidden']")) {
                    element
                        .show()
                        .prop("autofocus", this.autofocus || false);
                    if (this.elementTabIndex) {
                        element.attr({tabindex: this.elementTabIndex});
                    } else {
                        element.removeAttr("tabindex");
                    }
                    element.show();
                } else {
                    element.css("display", "");
                }
            }

            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.debug = opts.debug || $.fn.select2.defaults.debug;

            // Warnings for options renamed/removed in Select2 4.0.0
            // Only when it's enabled through debug mode
            if (opts.debug && console && console.warn) {
                // id was removed
                if (opts.id != null) {
                    console.warn(
                        'Select2: The `id` option has been removed in Select2 4.0.0, ' +
                        'consider renaming your `id` property or mapping the property before your data makes it to Select2. ' +
                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
                    );
                }

                // text was removed
                if (opts.text != null) {
                    console.warn(
                        'Select2: The `text` option has been removed in Select2 4.0.0, ' +
                        'consider renaming your `text` property or mapping the property before your data makes it to Select2. ' +
                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
                    );
                }

                // sortResults was renamed to results
                if (opts.sortResults != null) {
                    console.warn(
                        'Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. '
                    );
                }

                // selectOnBlur was renamed to selectOnClose
                if (opts.selectOnBlur != null) {
                    console.warn(
                        'Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0.'
                    );
                }

                // ajax.results was renamed to ajax.processResults
                if (opts.ajax != null && opts.ajax.results != null) {
                    console.warn(
                        'Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0.'
                    );
                }

                // format* options were renamed to language.*
                if (opts.formatNoResults != null) {
                    console.warn(
                        'Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0.'
                    );
                }
                if (opts.formatSearching != null) {
                    console.warn(
                        'Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0.'
                    );
                }
                if (opts.formatInputTooShort != null) {
                    console.warn(
                        'Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0.'
                    );
                }
                if (opts.formatInputTooLong != null) {
                    console.warn(
                        'Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0.'
                    );
                }
                if (opts.formatLoading != null) {
                    console.warn(
                        'Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0.'
                    );
                }
                if (opts.formatSelectionTooBig != null) {
                    console.warn(
                        'Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0.'
                    );
                }

                if (opts.element.data('select2Tags')) {
                    console.warn(
                        'Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.'
                    );
                }
            }

            // Aliasing options renamed in Select2 4.0.0

            // data-select2-tags -> data-tags
            if (opts.element.data('tags') != null) {
                var elemTags = opts.element.data('tags');

                // data-tags should actually be a boolean
                if (!$.isArray(elemTags)) {
                    elemTags = [];
                }

                opts.element.data('select2Tags', elemTags);
            }

            // sortResults -> sorter
            if (opts.sorter != null) {
                opts.sortResults = opts.sorter;
            }

            // selectOnBlur -> selectOnClose
            if (opts.selectOnClose != null) {
                opts.selectOnBlur = opts.selectOnClose;
            }

            // ajax.results -> ajax.processResults
            if (opts.ajax != null) {
                if ($.isFunction(opts.ajax.processResults)) {
                    opts.ajax.results = opts.ajax.processResults;
                }
            }

            // Formatters/language options
            if (opts.language != null) {
                var lang = opts.language;

                // formatNoMatches -> language.noMatches
                if ($.isFunction(lang.noMatches)) {
                    opts.formatNoMatches = lang.noMatches;
                }

                // formatSearching -> language.searching
                if ($.isFunction(lang.searching)) {
                    opts.formatSearching = lang.searching;
                }

                // formatInputTooShort -> language.inputTooShort
                if ($.isFunction(lang.inputTooShort)) {
                    opts.formatInputTooShort = lang.inputTooShort;
                }

                // formatInputTooLong -> language.inputTooLong
                if ($.isFunction(lang.inputTooLong)) {
                    opts.formatInputTooLong = lang.inputTooLong;
                }

                // formatLoading -> language.loadingMore
                if ($.isFunction(lang.loadingMore)) {
                    opts.formatLoading = lang.loadingMore;
                }

                // formatSelectionTooBig -> language.maximumSelected
                if ($.isFunction(lang.maximumSelected)) {
                    opts.formatSelectionTooBig = lang.maximumSelected;
                }
            }

            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("select2-results-dept-"+depth);
                            node.addClass("select2-result");
                            node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
                            if (disabled) { node.addClass("select2-disabled"); }
                            if (compound) { node.addClass("select2-result-with-children"); }
                            node.addClass(self.opts.formatResultCssClass(result));
                            node.attr("role", "presentation");

                            label=$(document.createElement("div"));
                            label.addClass("select2-result-label");
                            label.attr("id", "select2-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("select2-result-sub");
                                populate(result.children, innerContainer, depth+1);
                                node.append(innerContainer);
                            }

                            node.data("select2-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.select2.defaults, opts);

            if (typeof(opts.id) !== "function") {
                idKey = opts.id;
                opts.id = function (e) { return e[idKey]; };
            }

            if ($.isArray(opts.element.data("select2Tags"))) {
                if ("tags" in opts) {
                    throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
                }
                opts.tags=opts.element.data("select2Tags");
            }

            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 select2 accordingly
         */
        // abstract
        monitorSource: function () {
            var el = this.opts.element, observer, self = this;

            el.on("change.select2", this.bind(function (e) {
                if (this.opts.element.data("select2-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("select2-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("select2-change-triggered", true);
            this.opts.element.trigger(details);
            this.opts.element.data("select2-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("select2-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("select2-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("select2-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 = $('.select2-results', $dropdown)[0];
                $dropdown.addClass('select2-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('select2-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) {
                this.container.addClass("select2-drop-above");
                $dropdown.addClass("select2-drop-above");
                dropHeight = $dropdown.outerHeight(false);
                css.top = offset.top - dropHeight;
                css.bottom = 'auto';
            }
            else {
                css.top = dropTop;
                css.bottom = 'auto';
                this.container.removeClass("select2-drop-above");
                $dropdown.removeClass("select2-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("select2-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("select2-drop-above");
            this.dropdown.removeClass("select2-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.select2Event", 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("select2-dropdown-open").addClass("select2-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 = $("#select2-drop-mask");
            if (mask.length === 0) {
                mask = $(document.createElement("div"));
                mask.attr("id","select2-drop-mask").attr("class","select2-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 = $("#select2-drop"), self;
                    if (dropdown.length > 0) {
                        self=dropdown.data("select2");
                        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
            $("#select2-drop").removeAttr("id");
            this.dropdown.attr("id", "select2-drop");

            // show the elements
            mask.show();

            this.positionDropdown();
            this.dropdown.show();
            this.positionDropdown();

            this.dropdown.addClass("select2-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();

            $("#select2-drop-mask").hide();
            this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
            this.dropdown.hide();
            this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
            this.results.empty();

            // Now that the dropdown is closed, unbind the global document mousemove event
            $document.off("mousemove.select2Event");

            this.clearSearch();
            this.search.removeClass("select2-active");

            // Remove the aria active descendant for highlighted element
            this.search.removeAttr("aria-activedescendant");
            this.opts.element.trigger($.Event("select2-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 () {

        },

        /**
         * @return {Boolean} Whether or not search value was changed.
         * @private
         */
        prefillNextSearchTerm: function () {
            // 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() !== "") {
                return false;
            }

            var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm);
            if(nextSearchTerm !== undefined){
                this.search.val(nextSearchTerm);
                this.search.select();
                return true;
            }

            return false;
        },

        //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('.select2-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 select2-more-results is visible
            if (index === children.length - 1) {
                more = results.find("li.select2-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(".select2-result-selectable:not(.select2-disabled):not(.select2-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("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
                    this.highlight(index);
                    break;
                }
            }
        },

        // abstract
        highlight: function (index) {
            var choices = this.findHighlightableChoices(),
                choice,
                data;

            if (arguments.length === 0) {
                return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
            }

            if (index >= choices.length) index = choices.length - 1;
            if (index < 0) index = 0;

            this.removeHighlight();

            choice = $(choices[index]);
            choice.addClass("select2-highlighted");

            // ensure assistive technology can determine the active choice
            this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));

            this.ensureHighlightVisible();

            this.liveRegion.text(choice.text());

            data = choice.data("select2-data");
            if (data) {
                this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
            }
        },

        removeHighlight: function() {
            this.results.find(".select2-highlighted").removeClass("select2-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(".select2-result-selectable");
            if (el.length > 0 && !el.is(".select2-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.select2-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("select2-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 select2 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: "select2-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, "select2-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, "select2-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("select2-active");
                self.positionDropdown();
                if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
                    self.liveRegion.text(results.text());
                }
                else {
                    self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-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='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
                    return;
                }
            }

            if (search.val().length < opts.minimumInputLength) {
                if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
                    render("<li class='select2-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='select2-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='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
            }

            search.addClass("select2-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 select2 has been closed before it was received
                if (!this.opened()) {
                    this.search.removeClass("select2-active");
                    return;
                }

                // handle ajax error
                if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) {
                    render("<li class='select2-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='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
                    if(this.showSearch){
                        this.showSearch(search.val());
                    }
                    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='select2-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: "select2-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("select2-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(".select2-search-choice-focus").removeClass("select2-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(".select2-highlighted"),
                data = highlighted.closest('.select2-result').data("select2-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 select2, 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 (typeof(style) === "string") {
                        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": "select2-container"
            }).html([
                "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
                "   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>",
                "   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
                "</a>",
                "<label for='' class='select2-offscreen'></label>",
                "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
                "<div class='select2-drop select2-display-none'>",
                "   <div class='select2-search'>",
                "       <label for='' class='select2-offscreen'></label>",
                "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
                "       aria-autocomplete='list' />",
                "   </div>",
                "   <ul class='select2-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);
                }
            }

            this.prefillNextSearchTerm();

            this.focusser.prop("disabled", true).val("");
            this.updateResults(true);
            this.opts.element.trigger($.Event("select2-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("select2-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(".select2-choice");

            this.focusser = container.find(".select2-focusser");

            // add aria associations
            selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
            this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
            this.results.attr("id", "select2-results-"+idSuffix);
            this.search.attr("aria-owns", "select2-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.on('focus.select2', 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.results && this.results.length > 1) {
                            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("select2-container-active")) {
                    this.opts.element.trigger($.Event("select2-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("select2-container-active")) {
                    this.opts.element.trigger($.Event("select2-focus"));
                }
                this.container.addClass("select2-container-active");
            })).on("blur", this.bind(function() {
                if (!this.opened()) {
                    this.container.removeClass("select2-container-active");
                    this.opts.element.trigger($.Event("select2-blur"));
                }
            }));
            this.search.on("focus", this.bind(function(){
                if (!this.container.hasClass("select2-container-active")) {
                    this.opts.element.trigger($.Event("select2-focus"));
                }
                this.container.addClass("select2-container-active");
            }));

            this.initContainerWidth();
            this.opts.element.hide();
            this.setPlaceholder();

        },

        // single
        clear: function(triggerChange) {
            var data=this.selection.data("select2-data");
            if (data) { // guard against queued quick consecutive clicks
                var evt = $.Event("select2-clearing");
                this.opts.element.trigger(evt);
                if (evt.isDefaultPrevented()) {
                    return;
                }
                var placeholderOption = this.getPlaceholderOption();
                this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
                this.selection.find(".select2-chosen").empty();
                this.selection.removeData("select2-data");
                this.setPlaceholder();

                if (triggerChange !== false){
                    this.opts.element.trigger({ type: "select2-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.lastSearchTerm = 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(".select2-chosen").html(this.opts.escapeMarkup(placeholder));

                this.selection.addClass("select2-default");

                this.container.removeClass("select2-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("select2-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(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
            this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
            //add "select2-with-searchbox" to the container if search box is shown
            $(this.dropdown, this.container).toggleClass("select2-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: "select2-selected", val: this.id(data), choice: data });

            this.lastSearchTerm = 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(".select2-chosen"), formatted, cssClass;

            this.selection.data("select2-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("select2-default");

            if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
                this.container.addClass("select2-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.opts.debug && console && console.warn) {
                    console.warn(
                        'Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. ' +
                        'The `change` event will always be triggered in 4.0.0.'
                    );
                }
            }

            if (this.select) {
                if (this.opts.debug && console && console.warn) {
                    console.warn(
                        'Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. ' +
                        'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.'
                    );
                }

                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("select2-data");
                if (data == undefined) data = null;
                return data;
            } else {
                if (this.opts.debug && console && console.warn) {
                    console.warn(
                        'Select2: The `select2("data")` method can no longer set selected values in 4.0.0, ' +
                        'consider using the `.val()` method instead.'
                    );
                }

                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": "select2-container select2-container-multi"
            }).html([
                "<ul class='select2-choices'>",
                "  <li class='select2-search-field'>",
                "    <label for='' class='select2-offscreen'></label>",
                "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
                "  </li>",
                "</ul>",
                "<div class='select2-drop select2-drop-multi select2-display-none'>",
                "   <ul class='select2-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(".select2-search-choice-focus");
            if (selected.length && choice && choice[0] == selected[0]) {

            } else {
                if (selected.length) {
                    this.opts.element.trigger("choice-deselected", selected);
                }
                selected.removeClass("select2-search-choice-focus");
                if (choice && choice.length) {
                    this.close();
                    choice.addClass("select2-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 = ".select2-choices", selection;

            this.searchContainer = this.container.find(".select2-search-field");
            this.selection = selection = this.container.find(selector);

            var _this = this;
            this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-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.on('focus.select2', 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(".select2-search-choice-focus");
                var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
                var next = selected.next(".select2-search-choice:not(.select2-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(".select2-search-choice:not(.select2-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("select2-container-active");
                this.search.removeClass("select2-focused");
                this.selectChoice(null);
                if (!this.opened()) this.clearSearch();
                e.stopImmediatePropagation();
                this.opts.element.trigger($.Event("select2-blur"));
            }));

            this.container.on("click", selector, this.bind(function (e) {
                if (!this.isInterfaceEnabled()) return;
                if ($(e.target).closest(".select2-search-choice").length > 0) {
                    // clicked inside a select2 search choice, do not open
                    return;
                }
                this.selectChoice(null);
                this.clearPlaceholder();
                if (!this.container.hasClass("select2-container-active")) {
                    this.opts.element.trigger($.Event("select2-focus"));
                }
                this.open();
                this.focusSearch();
                e.preventDefault();
            }));

            this.container.on("focus", selector, this.bind(function () {
                if (!this.isInterfaceEnabled()) return;
                if (!this.container.hasClass("select2-container-active")) {
                    this.opts.element.trigger($.Event("select2-focus"));
                }
                this.container.addClass("select2-container-active");
                this.dropdown.addClass("select2-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("select2-focused") === false) {
                this.search.val(placeholder).addClass("select2-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("select2-default")) {
                this.search.val("").removeClass("select2-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();

            this.prefillNextSearchTerm();
            this.updateResults(true);

            if (this.opts.shouldFocusInput(this)) {
                this.search.focus();
            }
            this.opts.element.trigger($.Event("select2-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("select2-focused");
        },

        // multi
        updateSelection: function (data) {
            var ids = {}, filtered = [], self = this;

            // filter out duplicates
            $(data).each(function () {
                if (!(self.id(this) in ids)) {
                    ids[self.id(this)] = 0;
                    filtered.push(this);
                }
            });

            this.selection.find(".select2-search-choice").remove();
            this.addSelectedChoice(filtered);
            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.lastSearchTerm = 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.prefillNextSearchTerm()) {
                            this.updateResults();
                        }
                    }
                    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 val = this.getVal(), self = this;
            $(data).each(function () {
                val.push(self.createChoice(this));
            });
            this.setVal(val);
        },

        createChoice: function (data) {
            var enableChoice = !data.locked,
                enabledItem = $(
                    "<li class='select2-search-choice'>" +
                    "    <div></div>" +
                    "    <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
                    "</li>"),
                disabledItem = $(
                    "<li class='select2-search-choice select2-locked'>" +
                    "<div></div>" +
                    "</li>");
            var choice = enableChoice ? enabledItem : disabledItem,
                id = this.id(data),
                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(".select2-search-choice-close")
                  .on("mousedown", killEvent)
                  .on("click dblclick", this.bind(function (e) {
                  if (!this.isInterfaceEnabled()) return;

                  this.unselect($(e.target));
                  this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
                  killEvent(e);
                  this.close();
                  this.focusSearch();
              })).on("focus", this.bind(function () {
                  if (!this.isInterfaceEnabled()) return;
                  this.container.addClass("select2-container-active");
                  this.dropdown.addClass("select2-drop-active");
              }));
            }

            choice.data("select2-data", data);
            choice.insertBefore(this.searchContainer);

            return id;
        },

        // multi
        unselect: function (selected) {
            var val = this.getVal(),
                data,
                index;
            selected = selected.closest(".select2-search-choice");

            if (selected.length === 0) {
                throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
            }

            data = selected.data("select2-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("select2-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: "select2-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(".select2-result"),
                compound = this.results.find(".select2-result-with-children"),
                self = this;

            choices.each2(function (i, choice) {
                var id = self.id(choice.data("select2-data"));
                if (indexOf(id, val) >= 0) {
                    choice.addClass("select2-selected");
                    // mark all children of the selected parent as selected
                    choice.find(".select2-result-selectable").addClass("select2-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) {
            if (this.select) {
                this.select.val(val);
            } else {
                var unique = [], valMap = {};
                // filter out duplicates
                $(val).each(function () {
                    if (!(this in valMap)) {
                        unique.push(this);
                        valMap[this] = 0;
                    }
                });
                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);
                        i--;
                        old.splice(j, 1);
                        break;
                    }
                }
            }

            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 = {
        debug: false,
        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));

;/*})'"*/
;/*})'"*/
/**
 * Select2 French translation
 */
(function ($) {
    "use strict";

    $.fn.select2.locales['fr'] = {
        formatMatches: function (matches) { return matches + " résultats sont disponibles, utilisez les flèches haut et bas pour naviguer."; },
        formatNoMatches: function () { return "Aucun résultat trouvé"; },
        formatInputTooShort: function (input, min) { var n = min - input.length; return "Saisissez " + n + " caractère" + (n == 1? "" : "s") + " supplémentaire" + (n == 1? "" : "s") ; },
        formatInputTooLong: function (input, max) { var n = input.length - max; return "Supprimez " + n + " caractère" + (n == 1? "" : "s"); },
        formatSelectionTooBig: function (limit) { return "Vous pouvez seulement sélectionner " + limit + " élément" + (limit == 1 ? "" : "s"); },
        formatLoadMore: function (pageNumber) { return "Chargement de résultats supplémentaires…"; },
        formatSearching: function () { return "Recherche en cours…"; }
    };

    $.extend($.fn.select2.defaults, $.fn.select2.locales['fr']);
})(jQuery);

;/*})'"*/
;/*})'"*/
/**
 * @file better_exposed_filters.js
 *
 * Provides some client-side functionality for the Better Exposed Filters module
 */
(function ($) {
  Drupal.behaviors.betterExposedFilters = {
    attach: function(context) {
      // Add highlight class to checked checkboxes for better theming
      $('.bef-tree input[type=checkbox], .bef-checkboxes input[type=checkbox]')
        // Highlight newly selected checkboxes
        .change(function() {
          _bef_highlight(this, context);
        })
        .filter(':checked').closest('.form-item', context).addClass('highlight')
      ;
    }
  };

  Drupal.behaviors.betterExposedFiltersSelectAllNone = {
    attach: function(context) {

      /*
       * Add Select all/none links to specified checkboxes
       */
      var selected = $('.form-checkboxes.bef-select-all-none:not(.bef-processed)');
      if (selected.length) {
        var selAll = Drupal.t('Select All');
        var selNone = Drupal.t('Select None');

        // Set up a prototype link and event handlers
        var link = $('<a class="bef-toggle" href="#">'+ selAll +'</a>')
        link.click(function(event) {
          // Don't actually follow the link...
          event.preventDefault();
          event.stopPropagation();

          if (selAll == $(this).text()) {
            // Select all the checkboxes
            $(this)
              .html(selNone)
              .siblings('.bef-checkboxes, .bef-tree')
                .find('.form-item input:checkbox').each(function() {
                  $(this).attr('checked', true);
                  _bef_highlight(this, context);
                })
              .end()

              // attr() doesn't trigger a change event, so we do it ourselves. But just on
              // one checkbox otherwise we have many spinning cursors
              .find('input[type=checkbox]:first').change()
            ;
          }
          else {
            // Unselect all the checkboxes
            $(this)
              .html(selAll)
              .siblings('.bef-checkboxes, .bef-tree')
                .find('.form-item input:checkbox').each(function() {
                  $(this).attr('checked', false);
                  _bef_highlight(this, context);
                })
              .end()

              // attr() doesn't trigger a change event, so we do it ourselves. But just on
              // one checkbox otherwise we have many spinning cursors
              .find('input[type=checkbox]:first').change()
            ;
          }
        });

        // Add link to the page for each set of checkboxes.
        selected
          .addClass('bef-processed')
          .each(function(index) {
            // Clone the link prototype and insert into the DOM
            var newLink = link.clone(true);

            newLink.insertBefore($('.bef-checkboxes, .bef-tree', this));

            // If all checkboxes are already checked by default then switch to Select None
            if ($('input:checkbox:checked', this).length == $('input:checkbox', this).length) {
              newLink.click();
            }
          })
        ;
      }

      // Check for and initialize datepickers
      var befSettings = Drupal.settings.better_exposed_filters;
      if (befSettings && befSettings.datepicker && befSettings.datepicker_options && $.fn.datepicker) {
        var opt = [];
        $.each(befSettings.datepicker_options, function(key, val) {
          if (key && val) {
            opt[key] = JSON.parse(val);
          }
        });
        $('.bef-datepicker').datepicker(opt);
      }

    }                   // attach: function() {
  };                    // Drupal.behaviors.better_exposed_filters = {

  Drupal.behaviors.betterExposedFiltersAllNoneNested = {
    attach:function (context, settings) {
      $('.form-checkboxes.bef-select-all-none-nested li').has('ul').once('bef-all-none-nested', function () {
        $(this)
          // To respect term depth, check/uncheck child term checkboxes.
          .find('input.form-checkboxes:first')
          .click(function() {
            var checkedParent = $(this).attr('checked');
            if (!checkedParent) {
              // Uncheck all children if parent is unchecked.
              $(this).parents('li:first').find('ul input.form-checkboxes').removeAttr('checked');
            }
            else {
              // Check all children if parent is checked.
              $(this).parents('li:first').find('ul input.form-checkboxes').attr('checked', $(this).attr('checked'));
            }
          })
          .end()
          // When a child term is checked or unchecked, set the parent term's
          // status.
          .find('ul input.form-checkboxes')
          .click(function() {
            var checked = $(this).attr('checked');

            // Determine the number of unchecked sibling checkboxes.
            var ct = $(this).parents('ul:first').find('input.form-checkboxes:not(:checked)').size();

            // If the child term is unchecked, uncheck the parent.
            if (!checked) {
              // Uncheck parent if any of the childres is unchecked.
              $(this).parents('li:first').parents('li:first').find('input.form-checkboxes:first').removeAttr('checked');
            }

            // If all sibling terms are checked, check the parent.
            if (!ct) {
              // Check the parent if all the children are checked.
              $(this).parents('li:first').parents('li:first').find('input.form-checkboxes:first').attr('checked', checked);
            }
          });
      });
    }
  };

  Drupal.behaviors.better_exposed_filters_slider = {
    attach: function(context, settings) {
      var befSettings = settings.better_exposed_filters;
      if (befSettings && befSettings.slider && befSettings.slider_options) {
        $.each(befSettings.slider_options, function(i, sliderOptions) {
          var containing_parent = "#" + sliderOptions.viewId + " #edit-" + sliderOptions.id + "-wrapper .views-widget";
          var $filter = $(containing_parent);

          // If the filter is placed in a secondary fieldset, we may not have
          // the usual wrapper element.
          if (!$filter.length) {
            containing_parent = "#" + sliderOptions.viewId + " .bef-slider-wrapper";
            $filter = $(containing_parent);
          }

          // Only make one slider per filter.
          $filter.once('slider-filter', function() {
            var $input = $(this).find('input[type=text]');

            // This is a "between" or "not between" filter with two values.
            if ($input.length == 2) {
              var $min = $input.parent().find('input#edit-' + sliderOptions.id + '-min'),
                  $max = $input.parent().find('input#edit-' + sliderOptions.id + '-max'),
                  default_min,
                  default_max;

              if (!$min.length || !$max.length) {
                return;
              }

              // Get the default values.
              // We use slider min & max if there are no defaults.
              default_min = parseFloat(($min.val() == '') ? sliderOptions.min : $min.val(), 10);
              default_max = parseFloat(($max.val() == '') ? sliderOptions.max : $max.val(), 10);
              // Set the element value in case we are using the slider min & max.
              $min.val(default_min);
              $max.val(default_max);

              $min.parents(containing_parent).after(
                $('<div class="bef-slider"></div>').slider({
                  range: true,
                  min: parseFloat(sliderOptions.min, 10),
                  max: parseFloat(sliderOptions.max, 10),
                  step: parseFloat(sliderOptions.step, 10),
                  animate: sliderOptions.animate ? sliderOptions.animate : false,
                  orientation: sliderOptions.orientation,
                  values: [default_min, default_max],
                  // Update the textfields as the sliders are moved
                  slide: function (event, ui) {
                    $min.val(ui.values[0]);
                    $max.val(ui.values[1]);
                  },
                  // This fires when the value is set programmatically or the
                  // stop event fires.
                  // This takes care of the case that a user enters a value
                  // into the text field that is not a valid step of the slider.
                  // In that case the slider will go to the nearest step and
                  // this change event will update the text area.
                  change: function (event, ui) {
                    $min.val(ui.values[0]);
                    $max.val(ui.values[1]);
                  },
                  // Attach stop listeners.
                  stop: function(event, ui) {
                    // Click the auto submit button.
                    $(this).parents('form').find('.ctools-auto-submit-click').click();
                  }
                })
              );

              // Update the slider when the fields are updated.
              $min.blur(function() {
                befUpdateSlider($(this), 0, sliderOptions);
              });
              $max.blur(function() {
                befUpdateSlider($(this), 1, sliderOptions);
              });
            }
            // This is single value filter.
            else if ($input.length == 1) {
              if ($input.attr('id') != 'edit-' + sliderOptions.id) {
                return;
              }

              // Get the default value. We use slider min if there is no default.
              var default_value = parseFloat(($input.val() == '') ? sliderOptions.min : $input.val(), 10);
              // Set the element value in case we are using the slider min.
              $input.val(default_value);

              $input.parents(containing_parent).after(
                $('<div class="bef-slider"></div>').slider({
                  min: parseFloat(sliderOptions.min, 10),
                  max: parseFloat(sliderOptions.max, 10),
                  step: parseFloat(sliderOptions.step, 10),
                  animate: sliderOptions.animate ? sliderOptions.animate : false,
                  orientation: sliderOptions.orientation,
                  value: default_value,
                  // Update the textfields as the sliders are moved.
                  slide: function (event, ui) {
                    $input.val(ui.value);
                  },
                  // This fires when the value is set programmatically or the
                  // stop event fires.
                  // This takes care of the case that a user enters a value
                  // into the text field that is not a valid step of the slider.
                  // In that case the slider will go to the nearest step and
                  // this change event will update the text area.
                  change: function (event, ui) {
                    $input.val(ui.value);
                  },
                  // Attach stop listeners.
                  stop: function(event, ui) {
                    // Click the auto submit button.
                    $(this).parents('form').find('.ctools-auto-submit-click').click();
                  }
                })
              );

              // Update the slider when the field is updated.
              $input.blur(function() {
                befUpdateSlider($(this), null, sliderOptions);
              });
            }
            else {
              return;
            }
          })
        });
      }
    }
  };

  // This is only needed to provide ajax functionality
  Drupal.behaviors.better_exposed_filters_select_as_links = {
    attach: function(context, settings) {

      $('.bef-select-as-links', context).once(function() {
        var $element = $(this);

        // Check if ajax submission is enabled. If it's not enabled then we
        // don't need to attach our custom submission handling, because the
        // links are already properly built.

        // First check if any ajax views are contained in the current page.
        if (typeof settings.views == 'undefined' || typeof settings.views.ajaxViews == 'undefined') {
          return;
        }

        // Now check that the view for which the current filter block is used,
        // is part of the configured ajax views.
        var $uses_ajax = false;
        $.each(settings.views.ajaxViews, function(i, item) {
          var $view_name = item.view_name.replace(/_/g, '-');
          var $view_display_id = item.view_display_id.replace(/_/g, '-');
          var $id = 'views-exposed-form-' + $view_name + '-' + $view_display_id;
          var $form_id = $element.parents('form').attr('id');
          if ($form_id == $id) {
            $uses_ajax = true;
            return;
          }
        });

        // If no ajax is used for form submission, we quit here.
        if (!$uses_ajax) {
          return;
        }

        // Attach selection toggle and form submit on click to each link.
        $(this).find('a').click(function(event) {
          var $wrapper = $(this).parents('.bef-select-as-links');
          var $options = $wrapper.find('select option');
          // We have to prevent the page load triggered by the links.
          event.preventDefault();
          event.stopPropagation();
          // Un select if previously seleted toogle is selected.
          var link_text = $(this).text();
          removed = '';
          $($options).each(function(i) {
            if ($(this).attr('selected')) {
              if (link_text == $(this).text()) {
                removed = $(this).text();
                $(this).removeAttr('selected');
              }
            }
          });

          // Set the corresponding option inside the select element as selected.
          $selected = $options.filter(function() {
            return $(this).text() == link_text && removed != link_text;
          });
          $selected.attr('selected', 'selected');
          $wrapper.find('.bef-new-value').val($selected.val());
          $wrapper.find('.bef-new-value[value=""]').attr("disabled", "disabled");
          $(this).addClass('active');
          // Submit the form.
          $wrapper.parents('form').find('.views-submit-button *[type=submit]').click();
        });

        $('.bef-select-as-link').ready(function() {
          $('.bef-select-as-link').find('a').removeClass('active');
          $('.bef-new-value').each(function(i, val) {
            id = $(this).parent().find('select').attr('id') + '-' + $(this).val();
            $('#'+id).find('a').addClass('active');
          });
        });
      });
    }
  };

  Drupal.behaviors.betterExposedFiltersRequiredFilter = {
    attach: function(context, settings) {
      // Required checkboxes should re-check all inputs if a user un-checks
      // them all.
      $('.bef-select-as-checkboxes', context).once('bef-required-filter').ajaxComplete(function (e, xhr, s) {
        var $element = $(this);

        if (typeof settings.views == 'undefined' || typeof settings.views.ajaxViews == 'undefined') {
          return;
        }

        // Now check that the view for which the current filter block is used,
        // is part of the configured ajax views.
        var $view_name;
        var $view_display_id;
        var $uses_ajax = false;
        $.each(settings.views.ajaxViews, function(i, item) {
          $view_name = item.view_name;
          $view_display_id = item.view_display_id;
          var $id = 'views-exposed-form-' + $view_name.replace(/_/g, '-') + '-' + $view_display_id.replace(/_/g, '-');
          var $form_id = $element.parents('form').attr('id');
          if ($form_id == $id) {
            $uses_ajax = true;
            return false;
          }
        });

        //Check if we have any filters at all because of Views Selective Filter
        if($('input', this).length > 0) {
          var $filter_name = $('input', this).attr('name').slice(0, -2);
          if (Drupal.settings.better_exposed_filters.views[$view_name].displays[$view_display_id].filters[$filter_name].required && $('input:checked', this).length == 0) {
            $('input', this).prop('checked', true);
          }
        }
      });
    }
  }

  /*
   * Helper functions
   */

  /**
   * Adds/Removes the highlight class from the form-item div as appropriate
   */
  function _bef_highlight(elem, context) {
    $elem = $(elem, context);
    $elem.attr('checked')
      ? $elem.closest('.form-item', context).addClass('highlight')
      : $elem.closest('.form-item', context).removeClass('highlight');
  }

  /**
   * Update a slider when a related input element is changed.
   *
   * We don't need to check whether the new value is valid based on slider min,
   * max, and step because the slider will do that automatically and then we
   * update the textfield on the slider's change event.
   *
   * We still have to make sure that the min & max values of a range slider
   * don't pass each other though, however once this jQuery UI bug is fixed we
   * won't have to. - http://bugs.jqueryui.com/ticket/3762
   *
   * @param $el
   *   A jQuery object of the updated element.
   * @param valIndex
   *   The index of the value for a range slider or null for a non-range slider.
   * @param sliderOptions
   *   The options for the current slider.
   */
  function befUpdateSlider($el, valIndex, sliderOptions) {
    var val = parseFloat($el.val(), 10),
        currentMin = $el.parents('div.views-widget').next('.bef-slider').slider('values', 0),
        currentMax = $el.parents('div.views-widget').next('.bef-slider').slider('values', 1);
    // If we have a range slider.
    if (valIndex != null) {
      // Make sure the min is not more than the current max value.
      if (valIndex == 0 && val > currentMax) {
        val = currentMax;
      }
      // Make sure the max is not more than the current max value.
      if (valIndex == 1 && val < currentMin) {
        val = currentMin;
      }
      // If the number is invalid, go back to the last value.
      if (isNaN(val)) {
        val = $el.parents('div.views-widget').next('.bef-slider').slider('values', valIndex);
      }
    }
    else {
      // If the number is invalid, go back to the last value.
      if (isNaN(val)) {
        val = $el.parents('div.views-widget').next('.bef-slider').slider('value');
      }
    }
    // Make sure we are a number again.
    val = parseFloat(val, 10);
    // Set the slider to the new value.
    // The slider's change event will then update the textfield again so that
    // they both have the same value.
    if (valIndex != null) {
      $el.parents('div.views-widget').next('.bef-slider').slider('values', valIndex, val);
    }
    else {
      $el.parents('div.views-widget').next('.bef-slider').slider('value', val);
    }
  }

}) (jQuery);

;/*})'"*/
;/*})'"*/
// Trick to make exposed block work after refresh (https://drupal.org/node/2182885).
jQuery.fn.attachBehaviors = function () { Drupal.attachBehaviors(); };

;/*})'"*/
;/*})'"*/
(function($){
/**
 * To make a form auto submit, all you have to do is 3 things:
 *
 * ctools_add_js('auto-submit');
 *
 * On gadgets you want to auto-submit when changed, add the ctools-auto-submit
 * class. With FAPI, add:
 * @code
 *  '#attributes' => array('class' => array('ctools-auto-submit')),
 * @endcode
 *
 * If you want to have auto-submit for every form element,
 * add the ctools-auto-submit-full-form to the form. With FAPI, add:
 * @code
 *   '#attributes' => array('class' => array('ctools-auto-submit-full-form')),
 * @endcode
 *
 * If you want to exclude a field from the ctool-auto-submit-full-form auto submission,
 * add the class ctools-auto-submit-exclude to the form element. With FAPI, add:
 * @code
 *   '#attributes' => array('class' => array('ctools-auto-submit-exclude')),
 * @endcode
 *
 * Finally, you have to identify which button you want clicked for autosubmit.
 * The behavior of this button will be honored if it's ajaxy or not:
 * @code
 *  '#attributes' => array('class' => array('ctools-use-ajax', 'ctools-auto-submit-click')),
 * @endcode
 *
 * Currently only 'select', 'radio', 'checkbox' and 'textfield' types are supported. We probably
 * could use additional support for HTML5 input types.
 */

Drupal.behaviors.CToolsAutoSubmit = {
  attach: function(context) {
    // 'this' references the form element
    function triggerSubmit (e) {
      if ($.contains(document.body, this)) {
        var $this = $(this);
        if (!$this.hasClass('ctools-ajaxing')) {
          $this.find('.ctools-auto-submit-click').click();
        }
      }
    }

    // the change event bubbles so we only need to bind it to the outer form
    $('form.ctools-auto-submit-full-form', context)
      .add('.ctools-auto-submit', context)
      .filter('form, select, input:not(:text, :submit)')
      .once('ctools-auto-submit')
      .change(function (e) {
        // don't trigger on text change for full-form
        if ($(e.target).is(':not(:text, :submit, .ctools-auto-submit-exclude)')) {
          triggerSubmit.call(e.target.form);
        }
      });

    // e.keyCode: key
    var discardKeyCode = [
      16, // shift
      17, // ctrl
      18, // alt
      20, // caps lock
      33, // page up
      34, // page down
      35, // end
      36, // home
      37, // left arrow
      38, // up arrow
      39, // right arrow
      40, // down arrow
       9, // tab
      13, // enter
      27  // esc
    ];
    // Don't wait for change event on textfields
    $('.ctools-auto-submit-full-form input:text, input:text.ctools-auto-submit', context)
      .filter(':not(.ctools-auto-submit-exclude)')
      .once('ctools-auto-submit', function () {
        // each textinput element has his own timeout
        var timeoutID = 0;
        $(this)
          .bind('keydown keyup', function (e) {
            if ($.inArray(e.keyCode, discardKeyCode) === -1) {
              timeoutID && clearTimeout(timeoutID);
            }
          })
          .keyup(function(e) {
            if ($.inArray(e.keyCode, discardKeyCode) === -1) {
              timeoutID = setTimeout($.proxy(triggerSubmit, this.form), 500);
            }
          })
          .bind('change', function (e) {
            if ($.inArray(e.keyCode, discardKeyCode) === -1) {
              timeoutID = setTimeout($.proxy(triggerSubmit, this.form), 500);
            }
          });
      });
  }
}
})(jQuery);

;/*})'"*/
;/*})'"*/
/**
 * @file
 */

(function($) {

Drupal.behaviors.placeholders = {
 attach: function(context, settings) {
   $('#edit-field-annee-publication-value-value-year > option:first').html(Drupal.t('Par année'));
   $('#edit-field-annee-publication-value-value-year--2 > option:first').html(Drupal.t('Par année'));
 }
};

Drupal.behaviors.publicationSelect2 = {
  attach: function(context, settings) {
  	if($('#edit-field-auteur-um3-target-id-selective').length) {
		$('#edit-field-auteur-um3-target-id-selective').select2({
		  dropdownParent: $('.form-item-field-auteur-um3-target-id-selective'),
            dropdownCssClass: "select-publications"
        });
  	}
  }
};

})(jQuery);

;/*})'"*/
;/*})'"*/
(function ($) {
  // Store the original beforeSerialize, as we want to continue using
  // it after we've overridden it.
  Drupal.ajax.prototype.originalBeforeSerialize = Drupal.ajax.prototype.beforeSerialize;

  /**
   * Override core's beforeSerialize.
   *
   * We switch to using GET if this is for an ajax View.
   * We also avoid adding ajax_html_id and ajax_page_state.
   * (This happens in core's beforeSerialize).
   */
  Drupal.ajax.prototype.beforeSerialize = function (element, options) {

    // If this is for a view, switch to GET.
    if (options.url &&
      options.url.indexOf('/views/ajax') !== -1 &&
      Drupal.settings.viewsAjaxGet &&
      $.inArray(options.data.view_name, Drupal.settings.viewsAjaxGet) !== -1) {

      // @See Drupal.ajax.prototype.beforeSerialize
      if (this.form) {
        var settings = this.settings || Drupal.settings;
        Drupal.detachBehaviors(this.form, settings, 'serialize');
      }

      options.type = 'GET';
      return;
    }

    return this.originalBeforeSerialize(element, options);
  };

})(jQuery);

;/*})'"*/
;/*})'"*/
/**
 * @file views_load_more.js
 *
 * Handles the AJAX pager for the view_load_more plugin.
 */
(function ($) {

  /**
   * Provide a series of commands that the server can request the client perform.
   */
  Drupal.ajax.prototype.commands.viewsLoadMoreAppend = function (ajax, response, status) {
    // Get information from the response. If it is not there, default to
    // our presets.
    var wrapper = response.selector ? $(response.selector) : $(ajax.wrapper);
    var method = response.method || ajax.method;
    var targetList = response.targetList || '';
    var effect = ajax.getEffect(response);
    var pager_selector = response.options.pager_selector ? response.options.pager_selector : '.pager-load-more';

    // We don't know what response.data contains: it might be a string of text
    // without HTML, so don't rely on jQuery correctly iterpreting
    // $(response.data) as new HTML rather than a CSS selector. Also, if
    // response.data contains top-level text nodes, they get lost with either
    // $(response.data) or $('<div></div>').replaceWith(response.data).
    var new_content_wrapped = $('<div></div>').html(response.data);
    var new_content = new_content_wrapped.contents();

    // For legacy reasons, the effects processing code assumes that new_content
    // consists of a single top-level element. Also, it has not been
    // sufficiently tested whether attachBehaviors() can be successfully called
    // with a context object that includes top-level text nodes. However, to
    // give developers full control of the HTML appearing in the page, and to
    // enable Ajax content to be inserted in places where DIV elements are not
    // allowed (e.g., within TABLE, TR, and SPAN parents), we check if the new
    // content satisfies the requirement of a single top-level element, and
    // only use the container DIV created above when it doesn't. For more
    // information, please see http://drupal.org/node/736066.
    if (new_content.length != 1 || new_content.get(0).nodeType != 1) {
      new_content = new_content_wrapped;
    }
    // If removing content from the wrapper, detach behaviors first.
    var settings = response.settings || ajax.settings || Drupal.settings;
    Drupal.detachBehaviors(wrapper, settings);
    if ($.waypoints != undefined) {
      $.waypoints('refresh');
    }

    // Set up our default query options. This is for advance users that might
    // change there views layout classes. This allows them to write there own
    // jquery selector to replace the content with.
    // Provide sensible defaults for unordered list, ordered list and table
    // view styles.
    var content_query = targetList && !response.options.content ? '> .view-content ' + targetList : response.options.content || '> .view-content';

    // If we're using any effects. Hide the new content before adding it to the DOM.
    if (effect.showEffect != 'show') {
      new_content.find(content_query).children().hide();
    }

    // Update the pager
    // Find both for the wrapper as the newly loaded content the direct child
    // .item-list in case of nested pagers
    wrapper.find(pager_selector).replaceWith(new_content.find(pager_selector));

    // Add the new content to the page.
    wrapper.find(content_query)[method](new_content.find(content_query).children());

    // Re-class the loaded content.
    // @todo this is faulty in many ways.  first of which is that user may have configured view to not have these classes at all.
    wrapper.find(content_query).children()
      .removeClass('views-row-first views-row-last views-row-odd views-row-even')
      .filter(':first')
        .addClass('views-row-first')
        .end()
      .filter(':last')
        .addClass('views-row-last')
        .end()
      .filter(':even')
        .addClass('views-row-odd')
        .end()
      .filter(':odd')
        .addClass('views-row-even')
        .end();

    if (effect.showEffect != 'show') {
      wrapper.find(content_query).children(':not(:visible)')[effect.showEffect](effect.showSpeed);
    }

    // Additional processing over new content
    wrapper.trigger('views_load_more.new_content', new_content.clone());

    // Attach all JavaScript behaviors to the new content
    // Remove the Jquery once Class, TODO: There needs to be a better
    // way of doing this, look at .removeOnce() :-/
    var classes = wrapper.attr('class');
    var onceClass = classes.match(/jquery-once-[0-9]*-[a-z]*/);
    wrapper.removeClass(onceClass[0]);
    settings = response.settings || ajax.settings || Drupal.settings;
    Drupal.attachBehaviors(wrapper, settings);
  };

  /**
   * Attaches the AJAX behavior to Views Load More waypoint support.
   */
  Drupal.behaviors.ViewsLoadMore = {
    attach: function (context, settings) {
      var default_opts = {
          offset: '100%'
        };

      if (settings && settings.viewsLoadMore && settings.views && settings.views.ajaxViews) {
        $.each(settings.viewsLoadMore, function(i, setting) {
          var view = '.view-id-' + setting.view_name + '.view-display-id-' + setting.view_display_id + ' .pager-next a',
            opts = {};

          $.extend(opts, default_opts, settings.viewsLoadMore[i].opts);

          $(view).waypoint('destroy');
          $(view).waypoint(function(event, direction) {
            $(view).click();
          }, opts);
        });
      }
    },
    detach: function (context, settings, trigger) {
      if (settings && settings.viewsLoadMore && settings.views && settings.views.ajaxViews) {
        $.each(settings.viewsLoadMore, function(i, setting) {
          var view = '.view-id-' + setting.view_name + '.view-display-id-' + setting.view_display_id;
          if ($(context).is(view)) {
            $('.pager-next a', view).waypoint('destroy');
          }
          else {
            $(view, context).waypoint('destroy');
          }
        });
      }
    }
  };
})(jQuery);

;/*})'"*/
;/*})'"*/
/**
 * @file
 * Some basic behaviors and utility functions for Views.
 */
(function ($) {

  Drupal.Views = {};

  /**
   * JQuery UI tabs, Views integration component.
   */
  Drupal.behaviors.viewsTabs = {
    attach: function (context) {
      if ($.viewsUi && $.viewsUi.tabs) {
        $('#views-tabset').once('views-processed').viewsTabs({
          selectedClass: 'active'
        });
      }

      $('a.views-remove-link').once('views-processed').click(function(event) {
        var id = $(this).attr('id').replace('views-remove-link-', '');
        $('#views-row-' + id).hide();
        $('#views-removed-' + id).get(0).checked = true;
        event.preventDefault();
      });
      // Here is to handle display deletion
      // (checking in the hidden checkbox and hiding out the row).
      $('a.display-remove-link')
        .addClass('display-processed')
        .click(function() {
          var id = $(this).attr('id').replace('display-remove-link-', '');
          $('#display-row-' + id).hide();
          $('#display-removed-' + id).get(0).checked = true;
          return false;
        });
    }
  };

  /**
   * Helper function to parse a querystring.
   */
  Drupal.Views.parseQueryString = function (query) {
    var args = {};
    var pos = query.indexOf('?');
    if (pos != -1) {
      query = query.substring(pos + 1);
    }
    var pairs = query.split('&');
    for (var i in pairs) {
      if (typeof(pairs[i]) == 'string') {
        var pair = pairs[i].split('=');
        // Ignore the 'q' path argument, if present.
        if (pair[0] != 'q' && pair[1]) {
          args[decodeURIComponent(pair[0].replace(/\+/g, ' '))] = decodeURIComponent(pair[1].replace(/\+/g, ' '));
        }
      }
    }
    return args;
  };

  /**
   * Helper function to return a view's arguments based on a path.
   */
  Drupal.Views.parseViewArgs = function (href, viewPath) {
    // Provide language prefix.
    if (Drupal.settings.pathPrefix) {
      var viewPath = Drupal.settings.pathPrefix + viewPath;
    }
    var returnObj = {};
    var path = Drupal.Views.getPath(href);
    // Ensure there is a correct path.
    if (viewPath && path.substring(0, viewPath.length + 1) == viewPath + '/') {
      var args = decodeURIComponent(path.substring(viewPath.length + 1, path.length));
      returnObj.view_args = args;
      returnObj.view_path = path;
    }
    return returnObj;
  };

  /**
   * Strip off the protocol plus domain from an href.
   */
  Drupal.Views.pathPortion = function (href) {
    // Remove e.g. http://example.com if present.
    var protocol = window.location.protocol;
    if (href.substring(0, protocol.length) == protocol) {
      // 2 is the length of the '//' that normally follows the protocol.
      href = href.substring(href.indexOf('/', protocol.length + 2));
    }
    return href;
  };

  /**
   * Return the Drupal path portion of an href.
   */
  Drupal.Views.getPath = function (href) {
    href = Drupal.Views.pathPortion(href);
    href = href.substring(Drupal.settings.basePath.length, href.length);
    // 3 is the length of the '?q=' added to the URL without clean URLs.
    if (href.substring(0, 3) == '?q=') {
      href = href.substring(3, href.length);
    }
    var chars = ['#', '?', '&'];
    for (var i in chars) {
      if (href.indexOf(chars[i]) > -1) {
        href = href.substr(0, href.indexOf(chars[i]));
      }
    }
    return href;
  };

})(jQuery);

;/*})'"*/
;/*})'"*/
(function ($) {

/**
 * A progressbar object. Initialized with the given id. Must be inserted into
 * the DOM afterwards through progressBar.element.
 *
 * method is the function which will perform the HTTP request to get the
 * progress bar state. Either "GET" or "POST".
 *
 * e.g. pb = new progressBar('myProgressBar');
 *      some_element.appendChild(pb.element);
 */
Drupal.progressBar = function (id, updateCallback, method, errorCallback) {
  var pb = this;
  this.id = id;
  this.method = method || 'GET';
  this.updateCallback = updateCallback;
  this.errorCallback = errorCallback;

  // The WAI-ARIA setting aria-live="polite" will announce changes after users
  // have completed their current activity and not interrupt the screen reader.
  this.element = $('<div class="progress-wrapper" aria-live="polite"></div>');
  this.element.html('<div id ="' + id + '" class="progress progress-striped active">' +
                    '<div class="progress-bar" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">' +
                    '<div class="percentage sr-only"></div>' +
                    '</div></div>' +
                    '</div><div class="percentage pull-right"></div>' +
                    '<div class="message">&nbsp;</div>');
};

/**
 * Set the percentage and status message for the progressbar.
 */
Drupal.progressBar.prototype.setProgress = function (percentage, message) {
  if (percentage >= 0 && percentage <= 100) {
    $('div.progress-bar', this.element).css('width', percentage + '%');
    $('div.progress-bar', this.element).attr('aria-valuenow', percentage);
    $('div.percentage', this.element).html(percentage + '%');
  }
  $('div.message', this.element).html(message);
  if (this.updateCallback) {
    this.updateCallback(percentage, message, this);
  }
};

/**
 * Start monitoring progress via Ajax.
 */
Drupal.progressBar.prototype.startMonitoring = function (uri, delay) {
  this.delay = delay;
  this.uri = uri;
  this.sendPing();
};

/**
 * Stop monitoring progress via Ajax.
 */
Drupal.progressBar.prototype.stopMonitoring = function () {
  clearTimeout(this.timer);
  // This allows monitoring to be stopped from within the callback.
  this.uri = null;
};

/**
 * Request progress data from server.
 */
Drupal.progressBar.prototype.sendPing = function () {
  if (this.timer) {
    clearTimeout(this.timer);
  }
  if (this.uri) {
    var pb = this;
    // When doing a post request, you need non-null data. Otherwise a
    // HTTP 411 or HTTP 406 (with Apache mod_security) error may result.
    $.ajax({
      type: this.method,
      url: this.uri,
      data: '',
      dataType: 'json',
      success: function (progress) {
        // Display errors.
        if (progress.status == 0) {
          pb.displayError(progress.data);
          return;
        }
        // Update display.
        pb.setProgress(progress.percentage, progress.message);
        // Schedule next timer.
        pb.timer = setTimeout(function () { pb.sendPing(); }, pb.delay);
      },
      error: function (xmlhttp) {
        pb.displayError(Drupal.ajaxError(xmlhttp, pb.uri));
      }
    });
  }
};

/**
 * Display errors on the page.
 */
Drupal.progressBar.prototype.displayError = function (string) {
  var error = $('<div class="alert alert-block alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><h4>Error message</h4></div>').append(string);
  $(this.element).before(error).hide();

  if (this.errorCallback) {
    this.errorCallback(this);
  }
};

})(jQuery);

;/*})'"*/
;/*})'"*/
/**
 * @file
 * Handles AJAX fetching of views, including filter submission and response.
 */
(function ($) {

  /**
   * Attaches the AJAX behavior to exposed filter forms and key views links.
   */
  Drupal.behaviors.ViewsAjaxView = {};
  Drupal.behaviors.ViewsAjaxView.attach = function() {
    if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
      $.each(Drupal.settings.views.ajaxViews, function(i, settings) {
        Drupal.views.instances[i] = new Drupal.views.ajaxView(settings);
      });
    }
  };

  Drupal.views = {};
  Drupal.views.instances = {};

  /**
   * JavaScript object for a certain view.
   */
  Drupal.views.ajaxView = function(settings) {
    var selector = '.view-dom-id-' + settings.view_dom_id;
    this.$view = $(selector);

    // If view is not present return to prevent errors.
    if (!this.$view.length) {
      return;
    }

    // Retrieve the path to use for views' ajax.
    var ajax_path = Drupal.settings.views.ajax_path;

    // If there are multiple views this might've ended up showing up multiple
    // times.
    if (ajax_path.constructor.toString().indexOf("Array") != -1) {
      ajax_path = ajax_path[0];
    }

    // Check if there are any GET parameters to send to views.
    var queryString = window.location.search || '';
    if (queryString !== '') {
      // Remove the question mark and Drupal path component if any.
      var queryString = queryString.slice(1).replace(/q=[^&]+&?|&?render=[^&]+/, '');
      if (queryString !== '') {
        // If there is a '?' in ajax_path, clean url are on and & should be
        // used to add parameters.
        queryString = ((/\?/.test(ajax_path)) ? '&' : '?') + queryString;
      }
    }

    this.element_settings = {
      url: ajax_path + queryString,
      submit: settings,
      setClick: true,
      event: 'click',
      selector: selector,
      progress: {
        type: 'throbber'
      }
    };

    this.settings = settings;

    // Add the ajax to exposed forms.
    this.$exposed_form = $('#views-exposed-form-' + settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
    this.$exposed_form.once(jQuery.proxy(this.attachExposedFormAjax, this));

    // Store Drupal.ajax objects here for all pager links.
    this.links = [];

    // Add the ajax to pagers.
    this.$view
      .once(jQuery.proxy(this.attachPagerAjax, this));

    // Add a trigger to update this view specifically. In order to trigger a
    // refresh use the following code.
    //
    // @code
    // jQuery('.view-name').trigger('RefreshView');
    // @endcode
    // Add a trigger to update this view specifically.
    var self_settings = this.element_settings;
    self_settings.event = 'RefreshView';
    var self = this;
    this.$view.once('refresh', function () {
      self.refreshViewAjax = new Drupal.ajax(self.selector, self.$view, self_settings);
    });
  };

  Drupal.views.ajaxView.prototype.attachExposedFormAjax = function() {
    var button = $('input[type=submit], button[type=submit], input[type=image]', this.$exposed_form);
    button = button[0];

    // Call the autocomplete submit before doing AJAX.
    $(button).click(function () {
      if (Drupal.autocompleteSubmit) {
        Drupal.autocompleteSubmit();
      }
    });

    this.exposedFormAjax = new Drupal.ajax($(button).attr('id'), button, this.element_settings);
  };

  /**
   * Attach the ajax behavior to each link.
   */
  Drupal.views.ajaxView.prototype.attachPagerAjax = function() {
    this.$view.find('ul.pager > li > a, ol.pager > li > a, th.views-field a, .attachment .views-summary a')
      .each(jQuery.proxy(this.attachPagerLinkAjax, this));
  };

  /**
   * Attach the ajax behavior to a single link.
   */
  Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function(id, link) {
    var $link = $(link);
    var viewData = {};
    var href = $link.attr('href');
    // Don't attach to pagers inside nested views.
    if ($link.closest('.view')[0] !== this.$view[0] &&
      $link.closest('.view').parent().hasClass('attachment') === false) {
      return;
    }

    // Provide a default page if none has been set. This must be done
    // prior to merging with settings to avoid accidentally using the
    // page landed on instead of page 1.
    if (typeof(viewData.page) === 'undefined') {
      viewData.page = 0;
    }

    // Construct an object using the settings defaults and then overriding
    // with data specific to the link.
    $.extend(
      viewData,
      this.settings,
      Drupal.Views.parseQueryString(href),
      // Extract argument data from the URL.
      Drupal.Views.parseViewArgs(href, this.settings.view_base_path)
    );

    // For anchor tags, these will go to the target of the anchor rather
    // than the usual location.
    $.extend(viewData, Drupal.Views.parseViewArgs(href, this.settings.view_base_path));

    // Construct an object using the element settings defaults,
    // then overriding submit with viewData.
    var pager_settings = $.extend({}, this.element_settings);
    pager_settings.submit = viewData;
    this.pagerAjax = new Drupal.ajax(false, $link, pager_settings);
    this.links.push(this.pagerAjax);
  };

  Drupal.ajax.prototype.commands.viewsScrollTop = function (ajax, response, status) {
    // Scroll to the top of the view. This will allow users
    // to browse newly loaded content after e.g. clicking a pager
    // link.
    var offset = $(response.selector).offset();
    // We can't guarantee that the scrollable object should be
    // the body, as the view could be embedded in something
    // more complex such as a modal popup. Recurse up the DOM
    // and scroll the first element that has a non-zero top.
    var scrollTarget = response.selector;
    while ($(scrollTarget).scrollTop() == 0 && $(scrollTarget).parent()) {
      scrollTarget = $(scrollTarget).parent();
    }
    // Only scroll upward.
    if (offset.top - 10 < $(scrollTarget).scrollTop()) {
      $(scrollTarget).animate({scrollTop: (offset.top - 10)}, 500);
    }
  };

})(jQuery);

;/*})'"*/
;/*})'"*/
(function ($) {

$(document).ready(function() {

  // Attach mousedown, keyup, touchstart events to document only and catch
  // clicks on all elements.
  $(document.body).bind("mousedown keyup touchstart", function(event) {

    // Catch the closest surrounding link of a clicked element.
    $(event.target).closest("a,area").each(function() {

      if (Drupal.settings.piwik.trackMailto && $(this).is("a[href^='mailto:'],area[href^='mailto:']")) {
        // Mailto link clicked.
        _paq.push(["trackEvent", "Mails", "Click", this.href.substring(7)]);
      }

    });
  });

  // Colorbox: This event triggers when the transition has completed and the
  // newly loaded content has been revealed.
  if (Drupal.settings.piwik.trackColorbox) {
    $(document).bind("cbox_complete", function () {
      var href = $.colorbox.element().attr("href");
      if (href) {
        _paq.push(["setCustomUrl", href]);
        _paq.push(["trackPageView"]);
      }
    });
  }

});

})(jQuery);

;/*})'"*/
;/*})'"*/