text: /*!
   * Datepicker for Bootstrap v1.6.4 (https://github.com/eternicode/bootstrap-datepicker)
   *
   * Copyright 2012 Stefan Petre
   * Improvements by Andrew Rowls
   * Licensed under the Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0)
   */(function(factory){
    if (typeof define === "function" && define.amd) {
      define(["jquery"], factory);
    } else if (typeof exports === 'object') {
      factory(require('jquery'));
    } else {
      factory(jQuery);
    }
  }(function($, undefined){
  
    function UTCDate(){
      return new Date(Date.UTC.apply(Date, arguments));
    }
    function UTCToday(){
      var today = new Date();
      return UTCDate(today.getFullYear(), today.getMonth(), today.getDate());
    }
    function isUTCEquals(date1, date2) {
      return (
        date1.getUTCFullYear() === date2.getUTCFullYear() &&
        date1.getUTCMonth() === date2.getUTCMonth() &&
        date1.getUTCDate() === date2.getUTCDate()
      );
    }
    function alias(method){
      return function(){
        return this[method].apply(this, arguments);
      };
    }
    function isValidDate(d) {
      return d && !isNaN(d.getTime());
    }
  
    var DateArray = (function(){
      var extras = {
        get: function(i){
          return this.slice(i)[0];
        },
        contains: function(d){
          // Array.indexOf is not cross-browser;
          // $.inArray doesn't work with Dates
          var val = d && d.valueOf();
          for (var i=0, l=this.length; i < l; i++)
            if (this[i].valueOf() === val)
              return i;
          return -1;
        },
        remove: function(i){
          this.splice(i,1);
        },
        replace: function(new_array){
          if (!new_array)
            return;
          if (!$.isArray(new_array))
            new_array = [new_array];
          this.clear();
          this.push.apply(this, new_array);
        },
        clear: function(){
          this.length = 0;
        },
        copy: function(){
          var a = new DateArray();
          a.replace(this);
          return a;
        }
      };
  
      return function(){
        var a = [];
        a.push.apply(a, arguments);
        $.extend(a, extras);
        return a;
      };
    })();
  
  
    // Picker object
  
    var Datepicker = function(element, options){
      $(element).data('datepicker', this);
      this._process_options(options);
  
      this.dates = new DateArray();
      this.viewDate = this.o.defaultViewDate;
      this.focusDate = null;
  
      this.element = $(element);
      this.isInput = this.element.is('input');
      this.inputField = this.isInput ? this.element : this.element.find('input');
      this.component = this.element.hasClass('date') ? this.element.find('.add-on, .input-group-addon, .btn') : false;
      this.hasInput = this.component && this.inputField.length;
      if (this.component && this.component.length === 0)
        this.component = false;
      this.isInline = !this.component && this.element.is('div');
  
      this.picker = $(DPGlobal.template);
  
      // Checking templates and inserting
      if (this._check_template(this.o.templates.leftArrow)) {
        this.picker.find('.prev').html(this.o.templates.leftArrow);
      }
      if (this._check_template(this.o.templates.rightArrow)) {
        this.picker.find('.next').html(this.o.templates.rightArrow);
      }
  
      this._buildEvents();
      this._attachEvents();
  
      if (this.isInline){
        this.picker.addClass('datepicker-inline').appendTo(this.element);
      }
      else {
        this.picker.addClass('datepicker-dropdown dropdown-menu');
      }
  
      if (this.o.rtl){
        this.picker.addClass('datepicker-rtl');
      }
  
      this.viewMode = this.o.startView;
  
      if (this.o.calendarWeeks)
        this.picker.find('thead .datepicker-title, tfoot .today, tfoot .clear')
          .attr('colspan', function(i, val){
            return parseInt(val) + 1;
          });
  
      this._allow_update = false;
  
      this.setStartDate(this._o.startDate);
      this.setEndDate(this._o.endDate);
      this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled);
      this.setDaysOfWeekHighlighted(this.o.daysOfWeekHighlighted);
      this.setDatesDisabled(this.o.datesDisabled);
  
      this.fillDow();
      this.fillMonths();
  
      this._allow_update = true;
  
      this.update();
      this.showMode();
  
      if (this.isInline){
        this.show();
      }
    };
  
    Datepicker.prototype = {
      constructor: Datepicker,
  
      _resolveViewName: function(view, default_value){
        if (view === 0 || view === 'days' || view === 'month') {
          return 0;
        }
        if (view === 1 || view === 'months' || view === 'year') {
          return 1;
        }
        if (view === 2 || view === 'years' || view === 'decade') {
          return 2;
        }
        if (view === 3 || view === 'decades' || view === 'century') {
          return 3;
        }
        if (view === 4 || view === 'centuries' || view === 'millennium') {
          return 4;
        }
        return default_value === undefined ? false : default_value;
      },
  
      _check_template: function(tmp){
        try {
          // If empty
          if (tmp === undefined || tmp === "") {
            return false;
          }
          // If no html, everything ok
          if ((tmp.match(/[<>]/g) || []).length <= 0) {
            return true;
          }
          // Checking if html is fine
          var jDom = $(tmp);
          return jDom.length > 0;
        }
        catch (ex) {
          return false;
        }
      },
  
      _process_options: function(opts){
        // Store raw options for reference
        this._o = $.extend({}, this._o, opts);
        // Processed options
        var o = this.o = $.extend({}, this._o);
  
        // Check if "de-DE" style date is available, if not language should
        // fallback to 2 letter code eg "de"
        var lang = o.language;
        if (!dates[lang]){
          lang = lang.split('-')[0];
          if (!dates[lang])
            lang = defaults.language;
        }
        o.language = lang;
  
        // Retrieve view index from any aliases
        o.startView = this._resolveViewName(o.startView, 0);
        o.minViewMode = this._resolveViewName(o.minViewMode, 0);
        o.maxViewMode = this._resolveViewName(o.maxViewMode, 4);
  
        // Check that the start view is between min and max
        o.startView = Math.min(o.startView, o.maxViewMode);
        o.startView = Math.max(o.startView, o.minViewMode);
  
        // true, false, or Number > 0
        if (o.multidate !== true){
          o.multidate = Number(o.multidate) || false;
          if (o.multidate !== false)
            o.multidate = Math.max(0, o.multidate);
        }
        o.multidateSeparator = String(o.multidateSeparator);
  
        o.weekStart %= 7;
        o.weekEnd = (o.weekStart + 6) % 7;
  
        var format = DPGlobal.parseFormat(o.format);
        if (o.startDate !== -Infinity){
          if (!!o.startDate){
            if (o.startDate instanceof Date)
              o.startDate = this._local_to_utc(this._zero_time(o.startDate));
            else
              o.startDate = DPGlobal.parseDate(o.startDate, format, o.language, o.assumeNearbyYear);
          }
          else {
            o.startDate = -Infinity;
          }
        }
        if (o.endDate !== Infinity){
          if (!!o.endDate){
            if (o.endDate instanceof Date)
              o.endDate = this._local_to_utc(this._zero_time(o.endDate));
            else
              o.endDate = DPGlobal.parseDate(o.endDate, format, o.language, o.assumeNearbyYear);
          }
          else {
            o.endDate = Infinity;
          }
        }
  
        o.daysOfWeekDisabled = o.daysOfWeekDisabled||[];
        if (!$.isArray(o.daysOfWeekDisabled))
          o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
        o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function(d){
          return parseInt(d, 10);
        });
  
        o.daysOfWeekHighlighted = o.daysOfWeekHighlighted||[];
        if (!$.isArray(o.daysOfWeekHighlighted))
          o.daysOfWeekHighlighted = o.daysOfWeekHighlighted.split(/[,\s]*/);
        o.daysOfWeekHighlighted = $.map(o.daysOfWeekHighlighted, function(d){
          return parseInt(d, 10);
        });
  
        o.datesDisabled = o.datesDisabled||[];
        if (!$.isArray(o.datesDisabled)) {
          o.datesDisabled = [
            o.datesDisabled
          ];
        }
        o.datesDisabled = $.map(o.datesDisabled,function(d){
          return DPGlobal.parseDate(d, format, o.language, o.assumeNearbyYear);
        });
  
        var plc = String(o.orientation).toLowerCase().split(/\s+/g),
          _plc = o.orientation.toLowerCase();
        plc = $.grep(plc, function(word){
          return /^auto|left|right|top|bottom$/.test(word);
        });
        o.orientation = {x: 'auto', y: 'auto'};
        if (!_plc || _plc === 'auto')
          ; // no action
        else if (plc.length === 1){
          switch (plc[0]){
            case 'top':
            case 'bottom':
              o.orientation.y = plc[0];
              break;
            case 'left':
            case 'right':
              o.orientation.x = plc[0];
              break;
          }
        }
        else {
          _plc = $.grep(plc, function(word){
            return /^left|right$/.test(word);
          });
          o.orientation.x = _plc[0] || 'auto';
  
          _plc = $.grep(plc, function(word){
            return /^top|bottom$/.test(word);
          });
          o.orientation.y = _plc[0] || 'auto';
        }
        if (o.defaultViewDate) {
          var year = o.defaultViewDate.year || new Date().getFullYear();
          var month = o.defaultViewDate.month || 0;
          var day = o.defaultViewDate.day || 1;
          o.defaultViewDate = UTCDate(year, month, day);
        } else {
          o.defaultViewDate = UTCToday();
        }
      },
      _events: [],
      _secondaryEvents: [],
      _applyEvents: function(evs){
        for (var i=0, el, ch, ev; i < evs.length; i++){
          el = evs[i][0];
          if (evs[i].length === 2){
            ch = undefined;
            ev = evs[i][1];
          }
          else if (evs[i].length === 3){
            ch = evs[i][1];
            ev = evs[i][2];
          }
          el.on(ev, ch);
        }
      },
      _unapplyEvents: function(evs){
        for (var i=0, el, ev, ch; i < evs.length; i++){
          el = evs[i][0];
          if (evs[i].length === 2){
            ch = undefined;
            ev = evs[i][1];
          }
          else if (evs[i].length === 3){
            ch = evs[i][1];
            ev = evs[i][2];
          }
          el.off(ev, ch);
        }
      },
      _buildEvents: function(){
        var events = {
          keyup: $.proxy(function(e){
            if ($.inArray(e.keyCode, [27, 37, 39, 38, 40, 32, 13, 9]) === -1)
              this.update();
          }, this),
          keydown: $.proxy(this.keydown, this),
          paste: $.proxy(this.paste, this)
        };
  
        if (this.o.showOnFocus === true) {
          events.focus = $.proxy(this.show, this);
        }
  
        if (this.isInput) { // single input
          this._events = [
            [this.element, events]
          ];
        }
        else if (this.component && this.hasInput) { // component: input + button
          this._events = [
            // For components that are not readonly, allow keyboard nav
            [this.inputField, events],
            [this.component, {
              click: $.proxy(this.show, this)
            }]
          ];
        }
        else {
          this._events = [
            [this.element, {
              click: $.proxy(this.show, this),
              keydown: $.proxy(this.keydown, this)
            }]
          ];
        }
        this._events.push(
          // Component: listen for blur on element descendants
          [this.element, '*', {
            blur: $.proxy(function(e){
              this._focused_from = e.target;
            }, this)
          }],
          // Input: listen for blur on element
          [this.element, {
            blur: $.proxy(function(e){
              this._focused_from = e.target;
            }, this)
          }]
        );
  
        if (this.o.immediateUpdates) {
          // Trigger input updates immediately on changed year/month
          this._events.push([this.element, {
            'changeYear changeMonth': $.proxy(function(e){
              this.update(e.date);
            }, this)
          }]);
        }
  
        this._secondaryEvents = [
          [this.picker, {
            click: $.proxy(this.click, this)
          }],
          [$(window), {
            resize: $.proxy(this.place, this)
          }],
          [$(document), {
            mousedown: $.proxy(function(e){
              // Clicked outside the datepicker, hide it
              if (!(
                this.element.is(e.target) ||
                this.element.find(e.target).length ||
                this.picker.is(e.target) ||
                this.picker.find(e.target).length ||
                this.isInline
              )){
                this.hide();
              }
            }, this)
          }]
        ];
      },
      _attachEvents: function(){
        this._detachEvents();
        this._applyEvents(this._events);
      },
      _detachEvents: function(){
        this._unapplyEvents(this._events);
      },
      _attachSecondaryEvents: function(){
        this._detachSecondaryEvents();
        this._applyEvents(this._secondaryEvents);
      },
      _detachSecondaryEvents: function(){
        this._unapplyEvents(this._secondaryEvents);
      },
      _trigger: function(event, altdate){
        var date = altdate || this.dates.get(-1),
          local_date = this._utc_to_local(date);
  
        this.element.trigger({
          type: event,
          date: local_date,
          dates: $.map(this.dates, this._utc_to_local),
          format: $.proxy(function(ix, format){
            if (arguments.length === 0){
              ix = this.dates.length - 1;
              format = this.o.format;
            }
            else if (typeof ix === 'string'){
              format = ix;
              ix = this.dates.length - 1;
            }
            format = format || this.o.format;
            var date = this.dates.get(ix);
            return DPGlobal.formatDate(date, format, this.o.language);
          }, this)
        });
      },
  
      show: function(){
        if (this.inputField.prop('disabled') || (this.inputField.prop('readonly') && this.o.enableOnReadonly === false))
          return;
        if (!this.isInline)
          this.picker.appendTo(this.o.container);
        this.place();
        this.picker.show();
        this._attachSecondaryEvents();
        this._trigger('show');
        if ((window.navigator.msMaxTouchPoints || 'ontouchstart' in document) && this.o.disableTouchKeyboard) {
          $(this.element).blur();
        }
        return this;
      },
  
      hide: function(){
        if (this.isInline || !this.picker.is(':visible'))
          return this;
        this.focusDate = null;
        this.picker.hide().detach();
        this._detachSecondaryEvents();
        this.viewMode = this.o.startView;
        this.showMode();
  
        if (this.o.forceParse && this.inputField.val())
          this.setValue();
        this._trigger('hide');
        return this;
      },
  
      destroy: function(){
        this.hide();
        this._detachEvents();
        this._detachSecondaryEvents();
        this.picker.remove();
        delete this.element.data().datepicker;
        if (!this.isInput){
          delete this.element.data().date;
        }
        return this;
      },
  
      paste: function(evt){
        var dateString;
        if (evt.originalEvent.clipboardData && evt.originalEvent.clipboardData.types
          && $.inArray('text/plain', evt.originalEvent.clipboardData.types) !== -1) {
          dateString = evt.originalEvent.clipboardData.getData('text/plain');
        }
        else if (window.clipboardData) {
          dateString = window.clipboardData.getData('Text');
        }
        else {
          return;
        }
        this.setDate(dateString);
        this.update();
        evt.preventDefault();
      },
  
      _utc_to_local: function(utc){
        return utc && new Date(utc.getTime() + (utc.getTimezoneOffset()*60000));
      },
      _local_to_utc: function(local){
        return local && new Date(local.getTime() - (local.getTimezoneOffset()*60000));
      },
      _zero_time: function(local){
        return local && new Date(local.getFullYear(), local.getMonth(), local.getDate());
      },
      _zero_utc_time: function(utc){
        return utc && new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
      },
  
      getDates: function(){
        return $.map(this.dates, this._utc_to_local);
      },
  
      getUTCDates: function(){
        return $.map(this.dates, function(d){
          return new Date(d);
        });
      },
  
      getDate: function(){
        return this._utc_to_local(this.getUTCDate());
      },
  
      getUTCDate: function(){
        var selected_date = this.dates.get(-1);
        if (typeof selected_date !== 'undefined') {
          return new Date(selected_date);
        } else {
          return null;
        }
      },
  
      clearDates: function(){
        if (this.inputField) {
          this.inputField.val('');
        }
  
        this.update();
        this._trigger('changeDate');
  
        if (this.o.autoclose) {
          this.hide();
        }
      },
      setDates: function(){
        var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
        this.update.apply(this, args);
        this._trigger('changeDate');
        this.setValue();
        return this;
      },
  
      setUTCDates: function(){
        var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
        this.update.apply(this, $.map(args, this._utc_to_local));
        this._trigger('changeDate');
        this.setValue();
        return this;
      },
  
      setDate: alias('setDates'),
      setUTCDate: alias('setUTCDates'),
      remove: alias('destroy'),
  
      setValue: function(){
        var formatted = this.getFormattedDate();
        this.inputField.val(formatted);
        return this;
      },
  
      getFormattedDate: function(format){
        if (format === undefined)
          format = this.o.format;
  
        var lang = this.o.language;
        return $.map(this.dates, function(d){
          return DPGlobal.formatDate(d, format, lang);
        }).join(this.o.multidateSeparator);
      },
  
      getStartDate: function(){
        return this.o.startDate;
      },
  
      setStartDate: function(startDate){
        this._process_options({startDate: startDate});
        this.update();
        this.updateNavArrows();
        return this;
      },
  
      getEndDate: function(){
        return this.o.endDate;
      },
  
      setEndDate: function(endDate){
        this._process_options({endDate: endDate});
        this.update();
        this.updateNavArrows();
        return this;
      },
  
      setDaysOfWeekDisabled: function(daysOfWeekDisabled){
        this._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
        this.update();
        this.updateNavArrows();
        return this;
      },
  
      setDaysOfWeekHighlighted: function(daysOfWeekHighlighted){
        this._process_options({daysOfWeekHighlighted: daysOfWeekHighlighted});
        this.update();
        return this;
      },
  
      setDatesDisabled: function(datesDisabled){
        this._process_options({datesDisabled: datesDisabled});
        this.update();
        this.updateNavArrows();
      },
  
      place: function(){
        if (this.isInline)
          return this;
        var calendarWidth = this.picker.outerWidth(),
          calendarHeight = this.picker.outerHeight(),
          visualPadding = 10,
          container = $(this.o.container),
          windowWidth = container.width(),
          scrollTop = this.o.container === 'body' ? $(document).scrollTop() : container.scrollTop(),
          appendOffset = container.offset();
  
        var parentsZindex = [];
        this.element.parents().each(function(){
          var itemZIndex = $(this).css('z-index');
          if (itemZIndex !== 'auto' && itemZIndex !== 0) parentsZindex.push(parseInt(itemZIndex));
        });
        var zIndex = Math.max.apply(Math, parentsZindex) + this.o.zIndexOffset;
        var offset = this.component ? this.component.parent().offset() : this.element.offset();
        var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
        var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
        var left = offset.left - appendOffset.left,
          top = offset.top - appendOffset.top + 10;
  
        if (this.o.container !== 'body') {
          top += scrollTop;
        }
  
        this.picker.removeClass(
          'datepicker-orient-top datepicker-orient-bottom '+
          'datepicker-orient-right datepicker-orient-left'
        );
  
        if (this.o.orientation.x !== 'auto'){
          this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
          if (this.o.orientation.x === 'right')
            left -= calendarWidth - width;
        }
          // auto x orientation is best-placement: if it crosses a window
        // edge, fudge it sideways
        else {
          if (offset.left < 0) {
            // component is outside the window on the left side. Move it into visible range
            this.picker.addClass('datepicker-orient-left');
            left -= offset.left - visualPadding;
          } else if (left + calendarWidth > windowWidth) {
            // the calendar passes the widow right edge. Align it to component right side
            this.picker.addClass('datepicker-orient-right');
            left += width - calendarWidth;
          } else {
            // Default to left
            this.picker.addClass('datepicker-orient-left');
          }
        }
  
        // auto y orientation is best-situation: top or bottom, no fudging,
        // decision based on which shows more of the calendar
        var yorient = this.o.orientation.y,
          top_overflow;
        if (yorient === 'auto'){
          top_overflow = -scrollTop + top - calendarHeight;
          yorient = top_overflow < 0 ? 'bottom' : 'top';
        }
  
        this.picker.addClass('datepicker-orient-' + yorient);
        if (yorient === 'top')
          top -= calendarHeight + parseInt(this.picker.css('padding-top'));
        else
          top += height;
  
        if (this.o.rtl) {
          var right = windowWidth - (left + width);
          this.picker.css({
            top: top ,
            right: right,
            zIndex: zIndex
          });
        } else {
          this.picker.css({
            top: top ,
            left: left,
            zIndex: zIndex
          });
        }
        return this;
      },
  
      _allow_update: true,
      update: function(){
        if (!this._allow_update)
          return this;
  
        var oldDates = this.dates.copy(),
          dates = [],
          fromArgs = false;
        if (arguments.length){
          $.each(arguments, $.proxy(function(i, date){
            if (date instanceof Date)
              date = this._local_to_utc(date);
            dates.push(date);
          }, this));
          fromArgs = true;
        }
        else {
          dates = this.isInput
            ? this.element.val()
            : this.element.data('date') || this.inputField.val();
          if (dates && this.o.multidate)
            dates = dates.split(this.o.multidateSeparator);
          else
            dates = [dates];
          delete this.element.data().date;
        }
  
        dates = $.map(dates, $.proxy(function(date){
          return DPGlobal.parseDate(date, this.o.format, this.o.language, this.o.assumeNearbyYear);
        }, this));
        dates = $.grep(dates, $.proxy(function(date){
          return (
            !this.dateWithinRange(date) ||
            !date
          );
        }, this), true);
        this.dates.replace(dates);
  
        if (this.dates.length)
          this.viewDate = new Date(this.dates.get(-1));
        else if (this.viewDate < this.o.startDate)
          this.viewDate = new Date(this.o.startDate);
        else if (this.viewDate > this.o.endDate)
          this.viewDate = new Date(this.o.endDate);
        else
          this.viewDate = this.o.defaultViewDate;
  
        if (fromArgs){
          // setting date by clicking
          this.setValue();
        }
        else if (dates.length){
          // setting date by typing
          if (String(oldDates) !== String(this.dates))
            this._trigger('changeDate');
        }
        if (!this.dates.length && oldDates.length)
          this._trigger('clearDate');
  
        this.fill();
        this.element.change();
        return this;
      },
  
      fillDow: function(){
        var dowCnt = this.o.weekStart,
          html = '<tr>';
        if (this.o.calendarWeeks){
          this.picker.find('.datepicker-days .datepicker-switch')
            .attr('colspan', function(i, val){
              return parseInt(val) + 1;
            });
          html += '<th class="cw">&#160;</th>';
        }
        while (dowCnt < this.o.weekStart + 7){
          html += '<th class="dow';
          if ($.inArray(dowCnt, this.o.daysOfWeekDisabled) > -1)
            html += ' disabled';
          html += '">'+dates[this.o.language].daysMin[(dowCnt++)%7]+'</th>';
        }
        html += '</tr>';
        this.picker.find('.datepicker-days thead').append(html);
      },
  
      fillMonths: function(){
        var localDate = this._utc_to_local(this.viewDate);
        var html = '',
          i = 0;
        while (i < 12){
          var focused = localDate && localDate.getMonth() === i ? ' focused' : '';
          html += '<span class="month' + focused + '">' + dates[this.o.language].monthsShort[i++]+'</span>';
        }
        this.picker.find('.datepicker-months td').html(html);
      },
  
      setRange: function(range){
        if (!range || !range.length)
          delete this.range;
        else
          this.range = $.map(range, function(d){
            return d.valueOf();
          });
        this.fill();
      },
  
      getClassNames: function(date){
        var cls = [],
          year = this.viewDate.getUTCFullYear(),
          month = this.viewDate.getUTCMonth(),
          today = new Date();
        if (date.getUTCFullYear() < year || (date.getUTCFullYear() === year && date.getUTCMonth() < month)){
          cls.push('old');
        }
        else if (date.getUTCFullYear() > year || (date.getUTCFullYear() === year && date.getUTCMonth() > month)){
          cls.push('new');
        }
        if (this.focusDate && date.valueOf() === this.focusDate.valueOf())
          cls.push('focused');
        // Compare internal UTC date with local today, not UTC today
        if (this.o.todayHighlight &&
          date.getUTCFullYear() === today.getFullYear() &&
          date.getUTCMonth() === today.getMonth() &&
          date.getUTCDate() === today.getDate()){
          cls.push('today');
        }
        if (this.dates.contains(date) !== -1)
          cls.push('active');
        if (!this.dateWithinRange(date)){
          cls.push('disabled');
        }
        if (this.dateIsDisabled(date)){
          cls.push('disabled', 'disabled-date');
        }
        if ($.inArray(date.getUTCDay(), this.o.daysOfWeekHighlighted) !== -1){
          cls.push('highlighted');
        }
  
        if (this.range){
          if (date > this.range[0] && date < this.range[this.range.length-1]){
            cls.push('range');
          }
          if ($.inArray(date.valueOf(), this.range) !== -1){
            cls.push('selected');
          }
          if (date.valueOf() === this.range[0]){
            cls.push('range-start');
          }
          if (date.valueOf() === this.range[this.range.length-1]){
            cls.push('range-end');
          }
        }
        return cls;
      },
  
      _fill_yearsView: function(selector, cssClass, factor, step, currentYear, startYear, endYear, callback){
        var html, view, year, steps, startStep, endStep, thisYear, i, classes, tooltip, before;
  
        html      = '';
        view      = this.picker.find(selector);
        year      = parseInt(currentYear / factor, 10) * factor;
        startStep = parseInt(startYear / step, 10) * step;
        endStep   = parseInt(endYear / step, 10) * step;
        steps     = $.map(this.dates, function(d){
          return parseInt(d.getUTCFullYear() / step, 10) * step;
        });
  
        view.find('.datepicker-switch').text(year + '-' + (year + step * 9));
  
        thisYear = year - step;
        for (i = -1; i < 11; i += 1) {
          classes = [cssClass];
          tooltip = null;
  
          if (i === -1) {
            classes.push('old');
          } else if (i === 10) {
            classes.push('new');
          }
          if ($.inArray(thisYear, steps) !== -1) {
            classes.push('active');
          }
          if (thisYear < startStep || thisYear > endStep) {
            classes.push('disabled');
          }
          if (thisYear === this.viewDate.getFullYear()) {
            classes.push('focused');
          }
  
          if (callback !== $.noop) {
            before = callback(new Date(thisYear, 0, 1));
            if (before === undefined) {
              before = {};
            } else if (typeof(before) === 'boolean') {
              before = {enabled: before};
            } else if (typeof(before) === 'string') {
              before = {classes: before};
            }
            if (before.enabled === false) {
              classes.push('disabled');
            }
            if (before.classes) {
              classes = classes.concat(before.classes.split(/\s+/));
            }
            if (before.tooltip) {
              tooltip = before.tooltip;
            }
          }
  
          html += '<span class="' + classes.join(' ') + '"' + (tooltip ? ' title="' + tooltip + '"' : '') + '>' + thisYear + '</span>';
          thisYear += step;
        }
        view.find('td').html(html);
      },
  
      fill: function(){
        var d = new Date(this.viewDate),
          year = d.getUTCFullYear(),
          month = d.getUTCMonth(),
          startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
          startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
          endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
          endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
          todaytxt = dates[this.o.language].today || dates['en'].today || '',
          cleartxt = dates[this.o.language].clear || dates['en'].clear || '',
          titleFormat = dates[this.o.language].titleFormat || dates['en'].titleFormat,
          tooltip,
          before;
        if (isNaN(year) || isNaN(month))
          return;
        this.picker.find('.datepicker-days .datepicker-switch')
          .text(DPGlobal.formatDate(d, titleFormat, this.o.language));
        this.picker.find('tfoot .today')
          .text(todaytxt)
          .toggle(this.o.todayBtn !== false);
        this.picker.find('tfoot .clear')
          .text(cleartxt)
          .toggle(this.o.clearBtn !== false);
        this.picker.find('thead .datepicker-title')
          .text(this.o.title)
          .toggle(this.o.title !== '');
        this.updateNavArrows();
        this.fillMonths();
        var prevMonth = UTCDate(year, month-1, 28),
          day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
        prevMonth.setUTCDate(day);
        prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + 7)%7);
        var nextMonth = new Date(prevMonth);
        if (prevMonth.getUTCFullYear() < 100){
          nextMonth.setUTCFullYear(prevMonth.getUTCFullYear());
        }
        nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
        nextMonth = nextMonth.valueOf();
        var html = [];
        var clsName;
        while (prevMonth.valueOf() < nextMonth){
          if (prevMonth.getUTCDay() === this.o.weekStart){
            html.push('<tr>');
            if (this.o.calendarWeeks){
              // ISO 8601: First week contains first thursday.
              // ISO also states week starts on Monday, but we can be more abstract here.
              var
                // Start of current week: based on weekstart/current date
                ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
                // Thursday of this week
                th = new Date(Number(ws) + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
                // First Thursday of year, year from thursday
                yth = new Date(Number(yth = UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay())%7*864e5),
                // Calendar week: ms between thursdays, div ms per day, div 7 days
                calWeek =  (th - yth) / 864e5 / 7 + 1;
              html.push('<td class="cw">'+ calWeek +'</td>');
            }
          }
          clsName = this.getClassNames(prevMonth);
          clsName.push('day');
  
          if (this.o.beforeShowDay !== $.noop){
            before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
            if (before === undefined)
              before = {};
            else if (typeof(before) === 'boolean')
              before = {enabled: before};
            else if (typeof(before) === 'string')
              before = {classes: before};
            if (before.enabled === false)
              clsName.push('disabled');
            if (before.classes)
              clsName = clsName.concat(before.classes.split(/\s+/));
            if (before.tooltip)
              tooltip = before.tooltip;
          }
  
          //Check if uniqueSort exists (supported by jquery >=1.12 and >=2.2)
          //Fallback to unique function for older jquery versions
          if ($.isFunction($.uniqueSort)) {
            clsName = $.uniqueSort(clsName);
          } else {
            clsName = $.unique(clsName);
          }
  
          html.push('<td class="'+clsName.join(' ')+'"' + (tooltip ? ' title="'+tooltip+'"' : '') + '>'+prevMonth.getUTCDate() + '</td>');
          tooltip = null;
          if (prevMonth.getUTCDay() === this.o.weekEnd){
            html.push('</tr>');
          }
          prevMonth.setUTCDate(prevMonth.getUTCDate()+1);
        }
        this.picker.find('.datepicker-days tbody').empty().append(html.join(''));
        this.picker.find('.datepicker-days thead th.datepicker-switch')
          .text(year + '년 ' + dates[this.o.language].months[month]);
  
        var monthsTitle = dates[this.o.language].monthsTitle || dates['en'].monthsTitle || 'Months';
        var months = this.picker.find('.datepicker-months')
          .find('.datepicker-switch')
          .text(this.o.maxViewMode < 2 ? monthsTitle : year)
          .end()
          .find('span').removeClass('active');
  
        $.each(this.dates, function(i, d){
          if (d.getUTCFullYear() === year)
            months.eq(d.getUTCMonth()).addClass('active');
        });
  
        if (year < startYear || year > endYear){
          months.addClass('disabled');
        }
        if (year === startYear){
          months.slice(0, startMonth).addClass('disabled');
        }
        if (year === endYear){
          months.slice(endMonth+1).addClass('disabled');
        }
  
        if (this.o.beforeShowMonth !== $.noop){
          var that = this;
          $.each(months, function(i, month){
            var moDate = new Date(year, i, 1);
            var before = that.o.beforeShowMonth(moDate);
            if (before === undefined)
              before = {};
            else if (typeof(before) === 'boolean')
              before = {enabled: before};
            else if (typeof(before) === 'string')
              before = {classes: before};
            if (before.enabled === false && !$(month).hasClass('disabled'))
              $(month).addClass('disabled');
            if (before.classes)
              $(month).addClass(before.classes);
            if (before.tooltip)
              $(month).prop('title', before.tooltip);
          });
        }
  
        // Generating decade/years picker
        this._fill_yearsView(
          '.datepicker-years',
          'year',
          10,
          1,
          year,
          startYear,
          endYear,
          this.o.beforeShowYear
        );
  
        // Generating century/decades picker
        this._fill_yearsView(
          '.datepicker-decades',
          'decade',
          100,
          10,
          year,
          startYear,
          endYear,
          this.o.beforeShowDecade
        );
  
        // Generating millennium/centuries picker
        this._fill_yearsView(
          '.datepicker-centuries',
          'century',
          1000,
          100,
          year,
          startYear,
          endYear,
          this.o.beforeShowCentury
        );
      },
  
      updateNavArrows: function(){
        if (!this._allow_update)
          return;
  
        var d = new Date(this.viewDate),
          year = d.getUTCFullYear(),
          month = d.getUTCMonth();
        switch (this.viewMode){
          case 0:
            if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear() && month <= this.o.startDate.getUTCMonth()){
              this.picker.find('.prev').css({visibility: 'hidden'});
            }
            else {
              this.picker.find('.prev').css({visibility: 'visible'});
            }
            if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear() && month >= this.o.endDate.getUTCMonth()){
              this.picker.find('.next').css({visibility: 'hidden'});
            }
            else {
              this.picker.find('.next').css({visibility: 'visible'});
            }
            break;
          case 1:
          case 2:
          case 3:
          case 4:
            if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear() || this.o.maxViewMode < 2){
              this.picker.find('.prev').css({visibility: 'hidden'});
            }
            else {
              this.picker.find('.prev').css({visibility: 'visible'});
            }
            if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear() || this.o.maxViewMode < 2){
              this.picker.find('.next').css({visibility: 'hidden'});
            }
            else {
              this.picker.find('.next').css({visibility: 'visible'});
            }
            break;
        }
      },
  
      click: function(e){
        e.preventDefault();
        e.stopPropagation();
  
        var target, dir, day, year, month, monthChanged, yearChanged;
        target = $(e.target);
  
        // Clicked on the switch
        if (target.hasClass('datepicker-switch')){
          this.showMode(1);
        }
  
        // Clicked on prev or next
        var navArrow = target.closest('.prev, .next');
        if (navArrow.length > 0) {
          dir = DPGlobal.modes[this.viewMode].navStep * (navArrow.hasClass('prev') ? -1 : 1);
          if (this.viewMode === 0){
            this.viewDate = this.moveMonth(this.viewDate, dir);
            this._trigger('changeMonth', this.viewDate);
          } else {
            this.viewDate = this.moveYear(this.viewDate, dir);
            if (this.viewMode === 1){
              this._trigger('changeYear', this.viewDate);
            }
          }
          this.fill();
        }
  
        // Clicked on today button
        if (target.hasClass('today') && !target.hasClass('day')){
          this.showMode(-2);
          this._setDate(UTCToday(), this.o.todayBtn === 'linked' ? null : 'view');
        }
  
        // Clicked on clear button
        if (target.hasClass('clear')){
          this.clearDates();
        }
  
        if (!target.hasClass('disabled')){
          // Clicked on a day
          if (target.hasClass('day')){
            day = parseInt(target.text(), 10) || 1;
            year = this.viewDate.getUTCFullYear();
            month = this.viewDate.getUTCMonth();
  
            // From last month
            if (target.hasClass('old')){
              if (month === 0) {
                month = 11;
                year = year - 1;
                monthChanged = true;
                yearChanged = true;
              } else {
                month = month - 1;
                monthChanged = true;
              }
            }
  
            // From next month
            if (target.hasClass('new')) {
              if (month === 11){
                month = 0;
                year = year + 1;
                monthChanged = true;
                yearChanged = true;
              } else {
                month = month + 1;
                monthChanged = true;
              }
            }
            this._setDate(UTCDate(year, month, day));
            if (yearChanged) {
              this._trigger('changeYear', this.viewDate);
            }
            if (monthChanged) {
              this._trigger('changeMonth', this.viewDate);
            }
          }
  
          // Clicked on a month
          if (target.hasClass('month')) {
            this.viewDate.setUTCDate(1);
            day = 1;
            month = target.parent().find('span').index(target);
            year = this.viewDate.getUTCFullYear();
            this.viewDate.setUTCMonth(month);
            this._trigger('changeMonth', this.viewDate);
            if (this.o.minViewMode === 1){
              this._setDate(UTCDate(year, month, day));
              this.showMode();
            } else {
              this.showMode(-1);
            }
            this.fill();
          }
  
          // Clicked on a year
          if (target.hasClass('year')
            || target.hasClass('decade')
            || target.hasClass('century')) {
            this.viewDate.setUTCDate(1);
  
            day = 1;
            month = 0;
            year = parseInt(target.text(), 10)||0;
            this.viewDate.setUTCFullYear(year);
  
            if (target.hasClass('year')){
              this._trigger('changeYear', this.viewDate);
              if (this.o.minViewMode === 2){
                this._setDate(UTCDate(year, month, day));
              }
            }
            if (target.hasClass('decade')){
              this._trigger('changeDecade', this.viewDate);
              if (this.o.minViewMode === 3){
                this._setDate(UTCDate(year, month, day));
              }
            }
            if (target.hasClass('century')){
              this._trigger('changeCentury', this.viewDate);
              if (this.o.minViewMode === 4){
                this._setDate(UTCDate(year, month, day));
              }
            }
  
            this.showMode(-1);
            this.fill();
          }
        }
  
        if (this.picker.is(':visible') && this._focused_from){
          $(this._focused_from).focus();
        }
        delete this._focused_from;
      },
  
      _toggle_multidate: function(date){
        var ix = this.dates.contains(date);
        if (!date){
          this.dates.clear();
        }
  
        if (ix !== -1){
          if (this.o.multidate === true || this.o.multidate > 1 || this.o.toggleActive){
            this.dates.remove(ix);
          }
        } else if (this.o.multidate === false) {
          this.dates.clear();
          this.dates.push(date);
        }
        else {
          this.dates.push(date);
        }
  
        if (typeof this.o.multidate === 'number')
          while (this.dates.length > this.o.multidate)
            this.dates.remove(0);
      },
  
      _setDate: function(date, which){
        if (!which || which === 'date')
          this._toggle_multidate(date && new Date(date));
        if (!which || which === 'view')
          this.viewDate = date && new Date(date);
  
        this.fill();
        this.setValue();
        if (!which || which !== 'view') {
          this._trigger('changeDate');
        }
        if (this.inputField){
          this.inputField.change();
        }
        if (this.o.autoclose && (!which || which === 'date')){
          this.hide();
        }
      },
  
      moveDay: function(date, dir){
        var newDate = new Date(date);
        newDate.setUTCDate(date.getUTCDate() + dir);
  
        return newDate;
      },
  
      moveWeek: function(date, dir){
        return this.moveDay(date, dir * 7);
      },
  
      moveMonth: function(date, dir){
        if (!isValidDate(date))
          return this.o.defaultViewDate;
        if (!dir)
          return date;
        var new_date = new Date(date.valueOf()),
          day = new_date.getUTCDate(),
          month = new_date.getUTCMonth(),
          mag = Math.abs(dir),
          new_month, test;
        dir = dir > 0 ? 1 : -1;
        if (mag === 1){
          test = dir === -1
            // If going back one month, make sure month is not current month
            // (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
            ? function(){
              return new_date.getUTCMonth() === month;
            }
            // If going forward one month, make sure month is as expected
            // (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
            : function(){
              return new_date.getUTCMonth() !== new_month;
            };
          new_month = month + dir;
          new_date.setUTCMonth(new_month);
          // Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
          if (new_month < 0 || new_month > 11)
            new_month = (new_month + 12) % 12;
        }
        else {
          // For magnitudes >1, move one month at a time...
          for (var i=0; i < mag; i++)
            // ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
            new_date = this.moveMonth(new_date, dir);
          // ...then reset the day, keeping it in the new month
          new_month = new_date.getUTCMonth();
          new_date.setUTCDate(day);
          test = function(){
            return new_month !== new_date.getUTCMonth();
          };
        }
        // Common date-resetting loop -- if date is beyond end of month, make it
        // end of month
        while (test()){
          new_date.setUTCDate(--day);
          new_date.setUTCMonth(new_month);
        }
        return new_date;
      },
  
      moveYear: function(date, dir){
        return this.moveMonth(date, dir*12);
      },
  
      moveAvailableDate: function(date, dir, fn){
        do {
          date = this[fn](date, dir);
  
          if (!this.dateWithinRange(date))
            return false;
  
          fn = 'moveDay';
        }
        while (this.dateIsDisabled(date));
  
        return date;
      },
  
      weekOfDateIsDisabled: function(date){
        return $.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1;
      },
  
      dateIsDisabled: function(date){
        return (
          this.weekOfDateIsDisabled(date) ||
          $.grep(this.o.datesDisabled, function(d){
            return isUTCEquals(date, d);
          }).length > 0
        );
      },
  
      dateWithinRange: function(date){
        return date >= this.o.startDate && date <= this.o.endDate;
      },
  
      keydown: function(e){
        if (!this.picker.is(':visible')){
          if (e.keyCode === 40 || e.keyCode === 27) { // allow down to re-show picker
            this.show();
            e.stopPropagation();
          }
          return;
        }
        var dateChanged = false,
          dir, newViewDate,
          focusDate = this.focusDate || this.viewDate;
        switch (e.keyCode){
          case 27: // escape
            if (this.focusDate){
              this.focusDate = null;
              this.viewDate = this.dates.get(-1) || this.viewDate;
              this.fill();
            }
            else
              this.hide();
            e.preventDefault();
            e.stopPropagation();
            break;
          case 37: // left
          case 38: // up
          case 39: // right
          case 40: // down
            if (!this.o.keyboardNavigation || this.o.daysOfWeekDisabled.length === 7)
              break;
            dir = e.keyCode === 37 || e.keyCode === 38 ? -1 : 1;
            if (this.viewMode === 0) {
              if (e.ctrlKey){
                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveYear');
  
                if (newViewDate)
                  this._trigger('changeYear', this.viewDate);
              }
              else if (e.shiftKey){
                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveMonth');
  
                if (newViewDate)
                  this._trigger('changeMonth', this.viewDate);
              }
              else if (e.keyCode === 37 || e.keyCode === 39){
                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveDay');
              }
              else if (!this.weekOfDateIsDisabled(focusDate)){
                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveWeek');
              }
            } else if (this.viewMode === 1) {
              if (e.keyCode === 38 || e.keyCode === 40) {
                dir = dir * 4;
              }
              newViewDate = this.moveAvailableDate(focusDate, dir, 'moveMonth');
            } else if (this.viewMode === 2) {
              if (e.keyCode === 38 || e.keyCode === 40) {
                dir = dir * 4;
              }
              newViewDate = this.moveAvailableDate(focusDate, dir, 'moveYear');
            }
            if (newViewDate){
              this.focusDate = this.viewDate = newViewDate;
              this.setValue();
              this.fill();
              e.preventDefault();
            }
            break;
          case 13: // enter
            if (!this.o.forceParse)
              break;
            focusDate = this.focusDate || this.dates.get(-1) || this.viewDate;
            if (this.o.keyboardNavigation) {
              this._toggle_multidate(focusDate);
              dateChanged = true;
            }
            this.focusDate = null;
            this.viewDate = this.dates.get(-1) || this.viewDate;
            this.setValue();
            this.fill();
            if (this.picker.is(':visible')){
              e.preventDefault();
              e.stopPropagation();
              if (this.o.autoclose)
                this.hide();
            }
            break;
          case 9: // tab
            this.focusDate = null;
            this.viewDate = this.dates.get(-1) || this.viewDate;
            this.fill();
            this.hide();
            break;
        }
        if (dateChanged){
          if (this.dates.length)
            this._trigger('changeDate');
          else
            this._trigger('clearDate');
          if (this.inputField){
            this.inputField.change();
          }
        }
      },
  
      showMode: function(dir){
        if (dir){
          this.viewMode = Math.max(this.o.minViewMode, Math.min(this.o.maxViewMode, this.viewMode + dir));
        }
        this.picker
          .children('div')
          .hide()
          .filter('.datepicker-' + DPGlobal.modes[this.viewMode].clsName)
          .show();
        this.updateNavArrows();
      }
    };
  
    var DateRangePicker = function(element, options){
      $(element).data('datepicker', this);
      this.element = $(element);
      this.inputs = $.map(options.inputs, function(i){
        return i.jquery ? i[0] : i;
      });
      delete options.inputs;
  
      datepickerPlugin.call($(this.inputs), options)
        .on('changeDate', $.proxy(this.dateUpdated, this));
  
      this.pickers = $.map(this.inputs, function(i){
        return $(i).data('datepicker');
      });
      this.updateDates();
    };
    DateRangePicker.prototype = {
      updateDates: function(){
        this.dates = $.map(this.pickers, function(i){
          return i.getUTCDate();
        });
        this.updateRanges();
      },
      updateRanges: function(){
        var range = $.map(this.dates, function(d){
          return d.valueOf();
        });
        $.each(this.pickers, function(i, p){
          p.setRange(range);
        });
      },
      dateUpdated: function(e){
        // `this.updating` is a workaround for preventing infinite recursion
        // between `changeDate` triggering and `setUTCDate` calling.  Until
        // there is a better mechanism.
        if (this.updating)
          return;
        this.updating = true;
  
        var dp = $(e.target).data('datepicker');
  
        if (typeof(dp) === "undefined") {
          return;
        }
  
        var new_date = dp.getUTCDate(),
          i = $.inArray(e.target, this.inputs),
          j = i - 1,
          k = i + 1,
          l = this.inputs.length;
        if (i === -1)
          return;
  
        $.each(this.pickers, function(i, p){
          if (!p.getUTCDate())
            p.setUTCDate(new_date);
        });
  
        if (new_date < this.dates[j]){
          // Date being moved earlier/left
          while (j >= 0 && new_date < this.dates[j]){
            this.pickers[j--].setUTCDate(new_date);
          }
        }
        else if (new_date > this.dates[k]){
          // Date being moved later/right
          while (k < l && new_date > this.dates[k]){
            this.pickers[k++].setUTCDate(new_date);
          }
        }
        this.updateDates();
  
        delete this.updating;
      },
      remove: function(){
        $.map(this.pickers, function(p){ p.remove(); });
        delete this.element.data().datepicker;
      }
    };
  
    function opts_from_el(el, prefix){
      // Derive options from element data-attrs
      var data = $(el).data(),
        out = {}, inkey,
        replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])');
      prefix = new RegExp('^' + prefix.toLowerCase());
      function re_lower(_,a){
        return a.toLowerCase();
      }
      for (var key in data)
        if (prefix.test(key)){
          inkey = key.replace(replace, re_lower);
          out[inkey] = data[key];
        }
      return out;
    }
  
    function opts_from_locale(lang){
      // Derive options from locale plugins
      var out = {};
      // Check if "de-DE" style date is available, if not language should
      // fallback to 2 letter code eg "de"
      if (!dates[lang]){
        lang = lang.split('-')[0];
        if (!dates[lang])
          return;
      }
      var d = dates[lang];
      $.each(locale_opts, function(i,k){
        if (k in d)
          out[k] = d[k];
      });
      return out;
    }
  
    var old = $.fn.datepicker;
    var datepickerPlugin = function(option){
      var args = Array.apply(null, arguments);
      args.shift();
      var internal_return;
      this.each(function(){
        var $this = $(this),
          data = $this.data('datepicker'),
          options = typeof option === 'object' && option;
        if (!data){
          var elopts = opts_from_el(this, 'date'),
            // Preliminary otions
            xopts = $.extend({}, defaults, elopts, options),
            locopts = opts_from_locale(xopts.language),
            // Options priority: js args, data-attrs, locales, defaults
            opts = $.extend({}, defaults, locopts, elopts, options);
          if ($this.hasClass('input-daterange') || opts.inputs){
            $.extend(opts, {
              inputs: opts.inputs || $this.find('input').toArray()
            });
            data = new DateRangePicker(this, opts);
          }
          else {
            data = new Datepicker(this, opts);
          }
          $this.data('datepicker', data);
        }
        if (typeof option === 'string' && typeof data[option] === 'function'){
          internal_return = data[option].apply(data, args);
        }
      });
  
      if (
        internal_return === undefined ||
        internal_return instanceof Datepicker ||
        internal_return instanceof DateRangePicker
      )
        return this;
  
      if (this.length > 1)
        throw new Error('Using only allowed for the collection of a single element (' + option + ' function)');
      else
        return internal_return;
    };
    $.fn.datepicker = datepickerPlugin;
  
    var defaults = $.fn.datepicker.defaults = {
      assumeNearbyYear: false,
      autoclose: true,
      beforeShowDay: $.noop,
      beforeShowMonth: $.noop,
      beforeShowYear: $.noop,
      beforeShowDecade: $.noop,
      beforeShowCentury: $.noop,
      calendarWeeks: false,
      clearBtn: false,
      toggleActive: false,
      daysOfWeekDisabled: [],
      daysOfWeekHighlighted: [],
      datesDisabled: [],
      endDate: Infinity,
      forceParse: true,
      format: 'yyyy/mm/dd',
      keyboardNavigation: true,
      language: 'en',
      minViewMode: 0,
      maxViewMode: 4,
      multidate: false,
      multidateSeparator: ',',
      orientation: "auto",
      rtl: false,
      startDate: -Infinity,
      startView: 0,
      todayBtn: false,
      todayHighlight: false,
      weekStart: 0,
      disableTouchKeyboard: false,
      enableOnReadonly: true,
      showOnFocus: true,
      zIndexOffset: 10,
      container: 'body',
      immediateUpdates: false,
      title: '',
      templates: {
        leftArrow: '&laquo;',
        rightArrow: '&raquo;'
      }
    };
    var locale_opts = $.fn.datepicker.locale_opts = [
      'format',
      'rtl',
      'weekStart'
    ];
    $.fn.datepicker.Constructor = Datepicker;
    var dates = $.fn.datepicker.dates = {
      en: {
        days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
        daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
        daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"],
        months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
        today: "Today",
        clear: "Clear",
        titleFormat: "MM yyyy"
      }
    };
  
    var DPGlobal = {
      modes: [
        {
          clsName: 'days',
          navFnc: 'Month',
          navStep: 1
        },
        {
          clsName: 'months',
          navFnc: 'FullYear',
          navStep: 1
        },
        {
          clsName: 'years',
          navFnc: 'FullYear',
          navStep: 10
        },
        {
          clsName: 'decades',
          navFnc: 'FullDecade',
          navStep: 100
        },
        {
          clsName: 'centuries',
          navFnc: 'FullCentury',
          navStep: 1000
        }],
      isLeapYear: function(year){
        return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
      },
      getDaysInMonth: function(year, month){
        return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
      },
      validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
      nonpunctuation: /[^ -\/:-@\u5e74\u6708\u65e5\[-`{-~\t\n\r]+/g,
      parseFormat: function(format){
        if (typeof format.toValue === 'function' && typeof format.toDisplay === 'function')
          return format;
        // IE treats \0 as a string end in inputs (truncating the value),
        // so it's a bad format delimiter, anyway
        var separators = format.replace(this.validParts, '\0').split('\0'),
          parts = format.match(this.validParts);
        if (!separators || !separators.length || !parts || parts.length === 0){
          throw new Error("Invalid date format.");
        }
        return {separators: separators, parts: parts};
      },
      parseDate: function(date, format, language, assumeNearby){
        if (!date)
          return undefined;
        if (date instanceof Date)
          return date;
        if (typeof format === 'string')
          format = DPGlobal.parseFormat(format);
        if (format.toValue)
          return format.toValue(date, format, language);
        var part_re = /([\-+]\d+)([dmwy])/,
          parts = date.match(/([\-+]\d+)([dmwy])/g),
          fn_map = {
            d: 'moveDay',
            m: 'moveMonth',
            w: 'moveWeek',
            y: 'moveYear'
          },
          dateAliases = {
            yesterday: '-1d',
            today: '+0d',
            tomorrow: '+1d'
          },
          part, dir, i, fn;
        if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)){
          date = new Date();
          for (i=0; i < parts.length; i++){
            part = part_re.exec(parts[i]);
            dir = parseInt(part[1]);
            fn = fn_map[part[2]];
            date = Datepicker.prototype[fn](date, dir);
          }
          return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());
        }
  
        if (typeof dateAliases[date] !== 'undefined') {
          date = dateAliases[date];
          parts = date.match(/([\-+]\d+)([dmwy])/g);
  
          if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)){
            date = new Date();
            for (i=0; i < parts.length; i++){
              part = part_re.exec(parts[i]);
              dir = parseInt(part[1]);
              fn = fn_map[part[2]];
              date = Datepicker.prototype[fn](date, dir);
            }
  
            return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());
          }
        }
  
        parts = date && date.match(this.nonpunctuation) || [];
        date = new Date();
  
        function applyNearbyYear(year, threshold){
          if (threshold === true)
            threshold = 10;
  
          // if year is 2 digits or less, than the user most likely is trying to get a recent century
          if (year < 100){
            year += 2000;
            // if the new year is more than threshold years in advance, use last century
            if (year > ((new Date()).getFullYear()+threshold)){
              year -= 100;
            }
          }
  
          return year;
        }
  
        var parsed = {},
          setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
          setters_map = {
            yyyy: function(d,v){
              return d.setUTCFullYear(assumeNearby ? applyNearbyYear(v, assumeNearby) : v);
            },
            yy: function(d,v){
              return d.setUTCFullYear(assumeNearby ? applyNearbyYear(v, assumeNearby) : v);
            },
            m: function(d,v){
              if (isNaN(d))
                return d;
              v -= 1;
              while (v < 0) v += 12;
              v %= 12;
              d.setUTCMonth(v);
              while (d.getUTCMonth() !== v)
                d.setUTCDate(d.getUTCDate()-1);
              return d;
            },
            d: function(d,v){
              return d.setUTCDate(v);
            }
          },
          val, filtered;
        setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
        setters_map['dd'] = setters_map['d'];
        date = UTCToday();
        var fparts = format.parts.slice();
        // Remove noop parts
        if (parts.length !== fparts.length){
          fparts = $(fparts).filter(function(i,p){
            return $.inArray(p, setters_order) !== -1;
          }).toArray();
        }
        // Process remainder
        function match_part(){
          var m = this.slice(0, parts[i].length),
            p = parts[i].slice(0, m.length);
          return m.toLowerCase() === p.toLowerCase();
        }
        if (parts.length === fparts.length){
          var cnt;
          for (i=0, cnt = fparts.length; i < cnt; i++){
            val = parseInt(parts[i], 10);
            part = fparts[i];
            if (isNaN(val)){
              switch (part){
                case 'MM':
                  filtered = $(dates[language].months).filter(match_part);
                  val = $.inArray(filtered[0], dates[language].months) + 1;
                  break;
                case 'M':
                  filtered = $(dates[language].monthsShort).filter(match_part);
                  val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
                  break;
              }
            }
            parsed[part] = val;
          }
          var _date, s;
          for (i=0; i < setters_order.length; i++){
            s = setters_order[i];
            if (s in parsed && !isNaN(parsed[s])){
              _date = new Date(date);
              setters_map[s](_date, parsed[s]);
              if (!isNaN(_date))
                date = _date;
            }
          }
        }
        return date;
      },
      formatDate: function(date, format, language){
        if (!date)
          return '';
        if (typeof format === 'string')
          format = DPGlobal.parseFormat(format);
        if (format.toDisplay)
          return format.toDisplay(date, format, language);
        var val = {
          d: date.getUTCDate(),
          D: dates[language].daysShort[date.getUTCDay()],
          DD: dates[language].days[date.getUTCDay()],
          m: date.getUTCMonth() + 1,
          M: dates[language].monthsShort[date.getUTCMonth()],
          MM: dates[language].months[date.getUTCMonth()],
          yy: date.getUTCFullYear().toString().substring(2),
          yyyy: date.getUTCFullYear()
        };
        val.dd = (val.d < 10 ? '0' : '') + val.d;
        val.mm = (val.m < 10 ? '0' : '') + val.m;
        date = [];
        var seps = $.extend([], format.separators);
        for (var i=0, cnt = format.parts.length; i <= cnt; i++){
          if (seps.length)
            date.push(seps.shift());
          date.push(val[format.parts[i]]);
        }
        return date.join('');
      },
      headTemplate: '<thead>'+
        '<tr>'+
        '<th colspan="7" class="datepicker-title"></th>'+
        '</tr>'+
        '<tr>'+
        '<th class="prev">&laquo;</th>'+
        '<th colspan="5" class="datepicker-switch"></th>'+
        '<th class="next">&raquo;</th>'+
        '</tr>'+
        '</thead>',
      contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
      footTemplate: '<tfoot>'+
        '<tr>'+
        '<th colspan="7" class="today"></th>'+
        '</tr>'+
        '<tr>'+
        '<th colspan="7" class="clear"></th>'+
        '</tr>'+
        '</tfoot>'
    };
    DPGlobal.template = '<div class="datepicker">'+
      '<div class="datepicker-days">'+
      '<table class="table-condensed">'+
      DPGlobal.headTemplate+
      '<tbody></tbody>'+
      DPGlobal.footTemplate+
      '</table>'+
      '</div>'+
      '<div class="datepicker-months">'+
      '<table class="table-condensed">'+
      DPGlobal.headTemplate+
      DPGlobal.contTemplate+
      DPGlobal.footTemplate+
      '</table>'+
      '</div>'+
      '<div class="datepicker-years">'+
      '<table class="table-condensed">'+
      DPGlobal.headTemplate+
      DPGlobal.contTemplate+
      DPGlobal.footTemplate+
      '</table>'+
      '</div>'+
      '<div class="datepicker-decades">'+
      '<table class="table-condensed">'+
      DPGlobal.headTemplate+
      DPGlobal.contTemplate+
      DPGlobal.footTemplate+
      '</table>'+
      '</div>'+
      '<div class="datepicker-centuries">'+
      '<table class="table-condensed">'+
      DPGlobal.headTemplate+
      DPGlobal.contTemplate+
      DPGlobal.footTemplate+
      '</table>'+
      '</div>'+
      '</div>';
  
    $.fn.datepicker.DPGlobal = DPGlobal;
  
  
    /* DATEPICKER NO CONFLICT
    * =================== */
  
    $.fn.datepicker.noConflict = function(){
      $.fn.datepicker = old;
      return this;
    };
  
    /* DATEPICKER VERSION
     * =================== */
    $.fn.datepicker.version = '1.6.4';
  
    /* DATEPICKER DATA-API
    * ================== */
  
    $(document).on(
      'focus.datepicker.data-api click.datepicker.data-api',
      '[data-provide="datepicker"]',
      function(e){
        var $this = $(this);
        if ($this.data('datepicker'))
          return;
        e.preventDefault();
        // component click requires us to explicitly show it
        datepickerPlugin.call($this, 'show');
      }
    );
    $(function(){
      datepickerPlugin.call($('[data-provide="datepicker-inline"]'));
    });
  
  }));
  !function(a){a.fn.datepicker.dates.kr = {
    days:["일요일","월요일","화요일","수요일","목요일","금요일","토요일"],
    daysShort:["일","월","화","수","목","금","토"],
    daysMin:["일","월","화","수","목","금","토"],
    months:["1월","2월","3월","4월","5월","6월","7월","8월","9월","10월","11월","12월"],
    monthsShort:["1월","2월","3월","4월","5월","6월","7월","8월","9월","10월","11월","12월"],
  };
  }(jQuery);
  