text: /*! UIkit 2.24.3 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
  (function(addon) {
  
      var component;
  
      if (window.UIkit) {
          component = addon(UIkit);
      }
  
      if (typeof define == "function" && define.amd) {
          define("uikit-datepicker", ["uikit"], function(){
              return component || addon(UIkit);
          });
      }
  
  })(function(UI){
  
      "use strict";
  
      // Datepicker
  
      var active = false, dropdown, moment;
  
      UI.component('datepicker', {
  
          defaults: {
              mobile: false,
              weekstart: 1,
              i18n: {
                  months        : ['January','February','March','April','May','June','July','August','September','October','November','December'],
                  weekdays      : ['Sun','Mon','Tue','Wed','Thu','Fri','Sat']
              },
              format: "YYYY-MM-DD",
              offsettop: 5,
              maxDate: false,
              minDate: false,
              pos: 'auto',
              template: function(data, opts) {
  
                  var content = '', i;
  
                  content += '<div class="uk-datepicker-nav">';
                  content += '<a href="" class="uk-datepicker-previous"></a>';
                  content += '<a href="" class="uk-datepicker-next"></a>';
  
                  if (UI.formSelect) {
  
                      var currentyear = (new Date()).getFullYear(), options = [], months, years, minYear, maxYear;
  
                      for (i=0;i<opts.i18n.months.length;i++) {
                          if(i==data.month) {
                              options.push('<option value="'+i+'" selected>'+opts.i18n.months[i]+'</option>');
                          } else {
                              options.push('<option value="'+i+'">'+opts.i18n.months[i]+'</option>');
                          }
                      }
  
                      months = '<span class="uk-form-select">'+ opts.i18n.months[data.month] + '<select class="update-picker-month">'+options.join('')+'</select></span>';
  
                      // --
  
                      options = [];
  
                      minYear = data.minDate ? data.minDate.year() : currentyear - 50;
                      maxYear = data.maxDate ? data.maxDate.year() : currentyear + 20;
  
                      for (i=minYear;i<=maxYear;i++) {
                          if (i == data.year) {
                              options.push('<option value="'+i+'" selected>'+i+'</option>');
                          } else {
                              options.push('<option value="'+i+'">'+i+'</option>');
                          }
                      }
  
                      years  = '<span class="uk-form-select">'+ data.year + '<select class="update-picker-year">'+options.join('')+'</select></span>';
  
                      content += '<div class="uk-datepicker-heading">'+ months + ' ' + years +'</div>';
  
                  } else {
                      content += '<div class="uk-datepicker-heading">'+ opts.i18n.months[data.month] +' '+ data.year+'</div>';
                  }
  
                  content += '</div>';
  
                  content += '<table class="uk-datepicker-table">';
                  content += '<thead>';
                  for(i = 0; i < data.weekdays.length; i++) {
                      if (data.weekdays[i]) {
                          content += '<th>'+data.weekdays[i]+'</th>';
                      }
                  }
                  content += '</thead>';
  
                  content += '<tbody>';
                  for(i = 0; i < data.days.length; i++) {
                      if (data.days[i] && data.days[i].length){
                          content += '<tr>';
                          for(var d = 0; d < data.days[i].length; d++) {
                              if (data.days[i][d]) {
                                  var day = data.days[i][d],
                                      cls = [];
  
                                  if(!day.inmonth) cls.push("uk-datepicker-table-muted");
                                  if(day.selected) cls.push("uk-active");
                                  if(day.disabled) cls.push('uk-datepicker-date-disabled uk-datepicker-table-muted');
  
                                  content += '<td><a href="" class="'+cls.join(" ")+'" data-date="'+day.day.format()+'">'+day.day.format("D")+'</a></td>';
                              }
                          }
                          content += '</tr>';
                      }
                  }
                  content += '</tbody>';
  
                  content += '</table>';
  
                  return content;
              }
          },
  
          boot: function() {
  
              UI.$win.on("resize orientationchange", function() {
  
                  if (active) {
                      active.hide();
                  }
              });
  
              // init code
              UI.$html.on("focus.datepicker.uikit", "[data-uk-datepicker]", function(e) {
  
                  var ele = UI.$(this);
  
                  if (!ele.data("datepicker")) {
                      e.preventDefault();
                      UI.datepicker(ele, UI.Utils.options(ele.attr("data-uk-datepicker")));
                      ele.trigger("focus");
                  }
              });
  
              UI.$html.on("click focus", '*', function(e) {
  
                  var target = UI.$(e.target);
  
                  if (active && target[0] != dropdown[0] && !target.data("datepicker") && !target.parents(".uk-datepicker:first").length) {
                      active.hide();
                  }
              });
          },
  
          init: function() {
  
              // use native datepicker on touch devices
              if (UI.support.touch && this.element.attr('type')=='date' && !this.options.mobile) {
                  return;
              }
  
              var $this = this;
  
              this.current  = this.element.val() ? moment(this.element.val(), this.options.format) : moment();
  
              this.on("click focus", function(){
                  if (active!==$this) $this.pick(this.value ? this.value:($this.options.minDate ? $this.options.minDate :''));
              }).on("change", function(){
  
                  if ($this.element.val() && !moment($this.element.val(), $this.options.format).isValid()) {
                     $this.element.val(moment().format($this.options.format));
                  }
              });
  
              // init dropdown
              if (!dropdown) {
  
                  dropdown = UI.$('<div class="uk-dropdown uk-datepicker"></div>');
  
                  dropdown.on("click", ".uk-datepicker-next, .uk-datepicker-previous, [data-date]", function(e){
  
                      e.stopPropagation();
                      e.preventDefault();
  
                      var ele = UI.$(this);
  
                      if (ele.hasClass('uk-datepicker-date-disabled')) return false;
  
                      if (ele.is('[data-date]')) {
                          active.current = moment(ele.data("date"));
                          active.element.val(active.current.format(active.options.format)).trigger("change");
                          active.hide();
                      } else {
                         active.add((ele.hasClass("uk-datepicker-next") ? 1:-1), "months");
                      }
                  });
  
                  dropdown.on('change', '.update-picker-month, .update-picker-year', function(){
  
                      var select = UI.$(this);
                      active[select.is('.update-picker-year') ? 'setYear':'setMonth'](Number(select.val()));
                  });
  
                  dropdown.appendTo("body");
              }
          },
  
          pick: function(initdate) {
  
              var offset = this.element.offset(),
                  css    = {"left": offset.left, "right":""};
  
              this.current  = isNaN(initdate) ? moment(initdate, this.options.format):moment();
              this.initdate = this.current.format("YYYY-MM-DD");
  
              this.update();
  
              if (UI.langdirection == 'right') {
                  css.right = window.innerWidth - (css.left + this.element.outerWidth());
                  css.left  = "";
              }
  
              var posTop    = (offset.top - this.element.outerHeight() + this.element.height()) - this.options.offsettop - dropdown.outerHeight(),
                  posBottom = offset.top + this.element.outerHeight() + this.options.offsettop;
  
              css.top = posBottom;
  
              if (this.options.pos == 'top') {
                  css.top = posTop;
              } else if(this.options.pos == 'auto' && (window.innerHeight - posBottom - dropdown.outerHeight() < 0 && posTop >= 0) ) {
                  css.top = posTop;
              }
  
              dropdown.css(css).show();
              this.trigger('show.uk.datepicker');
  
              active = this;
          },
  
          add: function(unit, value) {
              this.current.add(unit, value);
              this.update();
          },
  
          setMonth: function(month) {
              this.current.month(month);
              this.update();
          },
  
          setYear: function(year) {
              this.current.year(year);
              this.update();
          },
  
          update: function() {
  
              var data = this.getRows(this.current.year(), this.current.month()),
                  tpl  = this.options.template(data, this.options);
  
              dropdown.html(tpl);
  
              this.trigger('update.uk.datepicker');
          },
  
          getRows: function(year, month) {
  
              var opts   = this.options,
                  now    = moment().format('YYYY-MM-DD'),
                  days   = [31, (year % 4 === 0 && year % 100 !== 0 || year % 400 === 0) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month],
                  before = new Date(year, month, 1, 12).getDay(),
                  data   = {"month":month, "year":year,"weekdays":[],"days":[], "maxDate": false, "minDate": false},
                  row    = [];
  
              if (opts.maxDate!==false){
                  data.maxDate = isNaN(opts.maxDate) ? moment(opts.maxDate, opts.format) : moment().add(opts.maxDate, 'days');
              }
  
              if (opts.minDate!==false){
                  data.minDate = isNaN(opts.minDate) ? moment(opts.minDate, opts.format) : moment().add(opts.minDate-1, 'days');
              }
  
              data.weekdays = (function(){
  
                  for (var i=0, arr=[]; i < 7; i++) {
  
                      var day = i + (opts.weekstart || 0);
  
                      while (day >= 7) {
                          day -= 7;
                      }
  
                      arr.push(opts.i18n.weekdays[day]);
                  }
  
                  return arr;
              })();
  
              if (opts.weekstart && opts.weekstart > 0) {
                  before -= opts.weekstart;
                  if (before < 0) {
                      before += 7;
                  }
              }
  
              var cells = days + before, after = cells;
  
              while(after > 7) { after -= 7; }
  
              cells += 7 - after;
  
              var day, isDisabled, isSelected, isToday, isInMonth;
  
              for (var i = 0, r = 0; i < cells; i++) {
  
                  day        = new Date(year, month, 1 + (i - before), 12);
                  isDisabled = (data.minDate && data.minDate > day) || (data.maxDate && day > data.maxDate);
                  isInMonth  = !(i < before || i >= (days + before));
  
                  day = moment(day);
  
                  isSelected = this.initdate == day.format("YYYY-MM-DD");
                  isToday    = now == day.format("YYYY-MM-DD");
  
                  row.push({"selected": isSelected, "today": isToday, "disabled": isDisabled, "day":day, "inmonth":isInMonth});
  
                  if (++r === 7) {
                      data.days.push(row);
                      row = [];
                      r = 0;
                  }
              }
  
              return data;
          },
  
          hide: function() {
  
              if (active && active === this) {
                  dropdown.hide();
                  active = false;
  
                  this.trigger('hide.uk.datepicker');
              }
          }
      });
  
      //! moment.js
      //! version : 2.8.3
      //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
      //! license : MIT
      //! momentjs.com
  
      moment = (function (undefined) {
          /************************************
              Constants
          ************************************/
          var moment,
              VERSION = '2.8.3',
              // the global-scope this is NOT the global object in Node.js
              globalScope = typeof global !== 'undefined' ? global : this,
              oldGlobalMoment,
              round = Math.round,
              hasOwnProperty = Object.prototype.hasOwnProperty,
              i,
  
              YEAR = 0,
              MONTH = 1,
              DATE = 2,
              HOUR = 3,
              MINUTE = 4,
              SECOND = 5,
              MILLISECOND = 6,
  
              // internal storage for locale config files
              locales = {},
  
              // extra moment internal properties (plugins register props here)
              momentProperties = [],
  
              // check for nodeJS
              hasModule = (typeof module !== 'undefined' && module.exports),
  
              // ASP.NET json date format regex
              aspNetJsonRegex = /^\/?Date\((\-?\d+)/i,
              aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/,
  
              // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
              // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
              isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/,
  
              // format tokens
              formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|X|zz?|ZZ?|.)/g,
              localFormattingTokens = /(\[[^\[]*\])|(\\)?(LT|LL?L?L?|l{1,4})/g,
  
              // parsing token regexes
              parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99
              parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999
              parseTokenOneToFourDigits = /\d{1,4}/, // 0 - 9999
              parseTokenOneToSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999
              parseTokenDigits = /\d+/, // nonzero number of digits
              parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic.
              parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
              parseTokenT = /T/i, // T (ISO separator)
              parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
              parseTokenOrdinal = /\d{1,2}/,
  
              //strict parsing regexes
              parseTokenOneDigit = /\d/, // 0 - 9
              parseTokenTwoDigits = /\d\d/, // 00 - 99
              parseTokenThreeDigits = /\d{3}/, // 000 - 999
              parseTokenFourDigits = /\d{4}/, // 0000 - 9999
              parseTokenSixDigits = /[+-]?\d{6}/, // -999,999 - 999,999
              parseTokenSignedNumber = /[+-]?\d+/, // -inf - inf
  
              // iso 8601 regex
              // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
              isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
  
              isoFormat = 'YYYY-MM-DDTHH:mm:ssZ',
  
              isoDates = [
                  ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/],
                  ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/],
                  ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/],
                  ['GGGG-[W]WW', /\d{4}-W\d{2}/],
                  ['YYYY-DDD', /\d{4}-\d{3}/]
              ],
  
              // iso time formats and regexes
              isoTimes = [
                  ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/],
                  ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/],
                  ['HH:mm', /(T| )\d\d:\d\d/],
                  ['HH', /(T| )\d\d/]
              ],
  
              // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-15', '30']
              parseTimezoneChunker = /([\+\-]|\d\d)/gi,
  
              // getter and setter names
              proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'),
              unitMillisecondFactors = {
                  'Milliseconds' : 1,
                  'Seconds' : 1e3,
                  'Minutes' : 6e4,
                  'Hours' : 36e5,
                  'Days' : 864e5,
                  'Months' : 2592e6,
                  'Years' : 31536e6
              },
  
              unitAliases = {
                  ms : 'millisecond',
                  s : 'second',
                  m : 'minute',
                  h : 'hour',
                  d : 'day',
                  D : 'date',
                  w : 'week',
                  W : 'isoWeek',
                  M : 'month',
                  Q : 'quarter',
                  y : 'year',
                  DDD : 'dayOfYear',
                  e : 'weekday',
                  E : 'isoWeekday',
                  gg: 'weekYear',
                  GG: 'isoWeekYear'
              },
  
              camelFunctions = {
                  dayofyear : 'dayOfYear',
                  isoweekday : 'isoWeekday',
                  isoweek : 'isoWeek',
                  weekyear : 'weekYear',
                  isoweekyear : 'isoWeekYear'
              },
  
              // format function strings
              formatFunctions = {},
  
              // default relative time thresholds
              relativeTimeThresholds = {
                  s: 45,  // seconds to minute
                  m: 45,  // minutes to hour
                  h: 22,  // hours to day
                  d: 26,  // days to month
                  M: 11   // months to year
              },
  
              // tokens to ordinalize and pad
              ordinalizeTokens = 'DDD w W M D d'.split(' '),
              paddedTokens = 'M D H h m s w W'.split(' '),
  
              formatTokenFunctions = {
                  M    : function () {
                      return this.month() + 1;
                  },
                  MMM  : function (format) {
                      return this.localeData().monthsShort(this, format);
                  },
                  MMMM : function (format) {
                      return this.localeData().months(this, format);
                  },
                  D    : function () {
                      return this.date();
                  },
                  DDD  : function () {
                      return this.dayOfYear();
                  },
                  d    : function () {
                      return this.day();
                  },
                  dd   : function (format) {
                      return this.localeData().weekdaysMin(this, format);
                  },
                  ddd  : function (format) {
                      return this.localeData().weekdaysShort(this, format);
                  },
                  dddd : function (format) {
                      return this.localeData().weekdays(this, format);
                  },
                  w    : function () {
                      return this.week();
                  },
                  W    : function () {
                      return this.isoWeek();
                  },
                  YY   : function () {
                      return leftZeroFill(this.year() % 100, 2);
                  },
                  YYYY : function () {
                      return leftZeroFill(this.year(), 4);
                  },
                  YYYYY : function () {
                      return leftZeroFill(this.year(), 5);
                  },
                  YYYYYY : function () {
                      var y = this.year(), sign = y >= 0 ? '+' : '-';
                      return sign + leftZeroFill(Math.abs(y), 6);
                  },
                  gg   : function () {
                      return leftZeroFill(this.weekYear() % 100, 2);
                  },
                  gggg : function () {
                      return leftZeroFill(this.weekYear(), 4);
                  },
                  ggggg : function () {
                      return leftZeroFill(this.weekYear(), 5);
                  },
                  GG   : function () {
                      return leftZeroFill(this.isoWeekYear() % 100, 2);
                  },
                  GGGG : function () {
                      return leftZeroFill(this.isoWeekYear(), 4);
                  },
                  GGGGG : function () {
                      return leftZeroFill(this.isoWeekYear(), 5);
                  },
                  e : function () {
                      return this.weekday();
                  },
                  E : function () {
                      return this.isoWeekday();
                  },
                  a    : function () {
                      return this.localeData().meridiem(this.hours(), this.minutes(), true);
                  },
                  A    : function () {
                      return this.localeData().meridiem(this.hours(), this.minutes(), false);
                  },
                  H    : function () {
                      return this.hours();
                  },
                  h    : function () {
                      return this.hours() % 12 || 12;
                  },
                  m    : function () {
                      return this.minutes();
                  },
                  s    : function () {
                      return this.seconds();
                  },
                  S    : function () {
                      return toInt(this.milliseconds() / 100);
                  },
                  SS   : function () {
                      return leftZeroFill(toInt(this.milliseconds() / 10), 2);
                  },
                  SSS  : function () {
                      return leftZeroFill(this.milliseconds(), 3);
                  },
                  SSSS : function () {
                      return leftZeroFill(this.milliseconds(), 3);
                  },
                  Z    : function () {
                      var a = -this.zone(),
                          b = '+';
                      if (a < 0) {
                          a = -a;
                          b = '-';
                      }
                      return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2);
                  },
                  ZZ   : function () {
                      var a = -this.zone(),
                          b = '+';
                      if (a < 0) {
                          a = -a;
                          b = '-';
                      }
                      return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2);
                  },
                  z : function () {
                      return this.zoneAbbr();
                  },
                  zz : function () {
                      return this.zoneName();
                  },
                  X    : function () {
                      return this.unix();
                  },
                  Q : function () {
                      return this.quarter();
                  }
              },
  
              deprecations = {},
  
              lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'];
  
          // Pick the first defined of two or three arguments. dfl comes from
          // default.
          function dfl(a, b, c) {
              switch (arguments.length) {
                  case 2: return a != null ? a : b;
                  case 3: return a != null ? a : b != null ? b : c;
                  default: throw new Error('Implement me');
              }
          }
  
          function hasOwnProp(a, b) {
              return hasOwnProperty.call(a, b);
          }
  
          function defaultParsingFlags() {
              // We need to deep clone this object, and es5 standard is not very
              // helpful.
              return {
                  empty : false,
                  unusedTokens : [],
                  unusedInput : [],
                  overflow : -2,
                  charsLeftOver : 0,
                  nullInput : false,
                  invalidMonth : null,
                  invalidFormat : false,
                  userInvalidated : false,
                  iso: false
              };
          }
  
          function printMsg(msg) {
              if (moment.suppressDeprecationWarnings === false &&
                      typeof console !== 'undefined' && console.warn) {
                  console.warn('Deprecation warning: ' + msg);
              }
          }
  
          function deprecate(msg, fn) {
              var firstTime = true;
              return extend(function () {
                  if (firstTime) {
                      printMsg(msg);
                      firstTime = false;
                  }
                  return fn.apply(this, arguments);
              }, fn);
          }
  
          function deprecateSimple(name, msg) {
              if (!deprecations[name]) {
                  printMsg(msg);
                  deprecations[name] = true;
              }
          }
  
          function padToken(func, count) {
              return function (a) {
                  return leftZeroFill(func.call(this, a), count);
              };
          }
          function ordinalizeToken(func, period) {
              return function (a) {
                  return this.localeData().ordinal(func.call(this, a), period);
              };
          }
  
          while (ordinalizeTokens.length) {
              i = ordinalizeTokens.pop();
              formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i);
          }
          while (paddedTokens.length) {
              i = paddedTokens.pop();
              formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2);
          }
          formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3);
  
  
          /************************************
              Constructors
          ************************************/
  
          function Locale() {
          }
  
          // Moment prototype object
          function Moment(config, skipOverflow) {
              if (skipOverflow !== false) {
                  checkOverflow(config);
              }
              copyConfig(this, config);
              this._d = new Date(+config._d);
          }
  
          // Duration Constructor
          function Duration(duration) {
              var normalizedInput = normalizeObjectUnits(duration),
                  years = normalizedInput.year || 0,
                  quarters = normalizedInput.quarter || 0,
                  months = normalizedInput.month || 0,
                  weeks = normalizedInput.week || 0,
                  days = normalizedInput.day || 0,
                  hours = normalizedInput.hour || 0,
                  minutes = normalizedInput.minute || 0,
                  seconds = normalizedInput.second || 0,
                  milliseconds = normalizedInput.millisecond || 0;
  
              // representation for dateAddRemove
              this._milliseconds = +milliseconds +
                  seconds * 1e3 + // 1000
                  minutes * 6e4 + // 1000 * 60
                  hours * 36e5; // 1000 * 60 * 60
              // Because of dateAddRemove treats 24 hours as different from a
              // day when working around DST, we need to store them separately
              this._days = +days +
                  weeks * 7;
              // It is impossible translate months into days without knowing
              // which months you are are talking about, so we have to store
              // it separately.
              this._months = +months +
                  quarters * 3 +
                  years * 12;
  
              this._data = {};
  
              this._locale = moment.localeData();
  
              this._bubble();
          }
  
          /************************************
              Helpers
          ************************************/
  
  
          function extend(a, b) {
              for (var i in b) {
                  if (hasOwnProp(b, i)) {
                      a[i] = b[i];
                  }
              }
  
              if (hasOwnProp(b, 'toString')) {
                  a.toString = b.toString;
              }
  
              if (hasOwnProp(b, 'valueOf')) {
                  a.valueOf = b.valueOf;
              }
  
              return a;
          }
  
          function copyConfig(to, from) {
              var i, prop, val;
  
              if (typeof from._isAMomentObject !== 'undefined') {
                  to._isAMomentObject = from._isAMomentObject;
              }
              if (typeof from._i !== 'undefined') {
                  to._i = from._i;
              }
              if (typeof from._f !== 'undefined') {
                  to._f = from._f;
              }
              if (typeof from._l !== 'undefined') {
                  to._l = from._l;
              }
              if (typeof from._strict !== 'undefined') {
                  to._strict = from._strict;
              }
              if (typeof from._tzm !== 'undefined') {
                  to._tzm = from._tzm;
              }
              if (typeof from._isUTC !== 'undefined') {
                  to._isUTC = from._isUTC;
              }
              if (typeof from._offset !== 'undefined') {
                  to._offset = from._offset;
              }
              if (typeof from._pf !== 'undefined') {
                  to._pf = from._pf;
              }
              if (typeof from._locale !== 'undefined') {
                  to._locale = from._locale;
              }
  
              if (momentProperties.length > 0) {
                  for (i in momentProperties) {
                      prop = momentProperties[i];
                      val = from[prop];
                      if (typeof val !== 'undefined') {
                          to[prop] = val;
                      }
                  }
              }
  
              return to;
          }
  
          function absRound(number) {
              if (number < 0) {
                  return Math.ceil(number);
              } else {
                  return Math.floor(number);
              }
          }
  
          // left zero fill a number
          // see http://jsperf.com/left-zero-filling for performance comparison
          function leftZeroFill(number, targetLength, forceSign) {
              var output = '' + Math.abs(number),
                  sign = number >= 0;
  
              while (output.length < targetLength) {
                  output = '0' + output;
              }
              return (sign ? (forceSign ? '+' : '') : '-') + output;
          }
  
          function positiveMomentsDifference(base, other) {
              var res = {milliseconds: 0, months: 0};
  
              res.months = other.month() - base.month() +
                  (other.year() - base.year()) * 12;
              if (base.clone().add(res.months, 'M').isAfter(other)) {
                  --res.months;
              }
  
              res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
  
              return res;
          }
  
          function momentsDifference(base, other) {
              var res;
              other = makeAs(other, base);
              if (base.isBefore(other)) {
                  res = positiveMomentsDifference(base, other);
              } else {
                  res = positiveMomentsDifference(other, base);
                  res.milliseconds = -res.milliseconds;
                  res.months = -res.months;
              }
  
              return res;
          }
  
          // TODO: remove 'name' arg after deprecation is removed
          function createAdder(direction, name) {
              return function (val, period) {
                  var dur, tmp;
                  //invert the arguments, but complain about it
                  if (period !== null && !isNaN(+period)) {
                      deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
                      tmp = val; val = period; period = tmp;
                  }
  
                  val = typeof val === 'string' ? +val : val;
                  dur = moment.duration(val, period);
                  addOrSubtractDurationFromMoment(this, dur, direction);
                  return this;
              };
          }
  
          function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) {
              var milliseconds = duration._milliseconds,
                  days = duration._days,
                  months = duration._months;
              updateOffset = updateOffset == null ? true : updateOffset;
  
              if (milliseconds) {
                  mom._d.setTime(+mom._d + milliseconds * isAdding);
              }
              if (days) {
                  rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding);
              }
              if (months) {
                  rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding);
              }
              if (updateOffset) {
                  moment.updateOffset(mom, days || months);
              }
          }
  
          // check if is an array
          function isArray(input) {
              return Object.prototype.toString.call(input) === '[object Array]';
          }
  
          function isDate(input) {
              return Object.prototype.toString.call(input) === '[object Date]' ||
                  input instanceof Date;
          }
  
          // compare two arrays, return the number of differences
          function compareArrays(array1, array2, dontConvert) {
              var len = Math.min(array1.length, array2.length),
                  lengthDiff = Math.abs(array1.length - array2.length),
                  diffs = 0,
                  i;
              for (i = 0; i < len; i++) {
                  if ((dontConvert && array1[i] !== array2[i]) ||
                      (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
                      diffs++;
                  }
              }
              return diffs + lengthDiff;
          }
  
          function normalizeUnits(units) {
              if (units) {
                  var lowered = units.toLowerCase().replace(/(.)s$/, '$1');
                  units = unitAliases[units] || camelFunctions[lowered] || lowered;
              }
              return units;
          }
  
          function normalizeObjectUnits(inputObject) {
              var normalizedInput = {},
                  normalizedProp,
                  prop;
  
              for (prop in inputObject) {
                  if (hasOwnProp(inputObject, prop)) {
                      normalizedProp = normalizeUnits(prop);
                      if (normalizedProp) {
                          normalizedInput[normalizedProp] = inputObject[prop];
                      }
                  }
              }
  
              return normalizedInput;
          }
  
          function makeList(field) {
              var count, setter;
  
              if (field.indexOf('week') === 0) {
                  count = 7;
                  setter = 'day';
              }
              else if (field.indexOf('month') === 0) {
                  count = 12;
                  setter = 'month';
              }
              else {
                  return;
              }
  
              moment[field] = function (format, index) {
                  var i, getter,
                      method = moment._locale[field],
                      results = [];
  
                  if (typeof format === 'number') {
                      index = format;
                      format = undefined;
                  }
  
                  getter = function (i) {
                      var m = moment().utc().set(setter, i);
                      return method.call(moment._locale, m, format || '');
                  };
  
                  if (index != null) {
                      return getter(index);
                  }
                  else {
                      for (i = 0; i < count; i++) {
                          results.push(getter(i));
                      }
                      return results;
                  }
              };
          }
  
          function toInt(argumentForCoercion) {
              var coercedNumber = +argumentForCoercion,
                  value = 0;
  
              if (coercedNumber !== 0 && isFinite(coercedNumber)) {
                  if (coercedNumber >= 0) {
                      value = Math.floor(coercedNumber);
                  } else {
                      value = Math.ceil(coercedNumber);
                  }
              }
  
              return value;
          }
  
          function daysInMonth(year, month) {
              return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
          }
  
          function weeksInYear(year, dow, doy) {
              return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week;
          }
  
          function daysInYear(year) {
              return isLeapYear(year) ? 366 : 365;
          }
  
          function isLeapYear(year) {
              return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
          }
  
          function checkOverflow(m) {
              var overflow;
              if (m._a && m._pf.overflow === -2) {
                  overflow =
                      m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH :
                      m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE :
                      m._a[HOUR] < 0 || m._a[HOUR] > 23 ? HOUR :
                      m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE :
                      m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND :
                      m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND :
                      -1;
  
                  if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
                      overflow = DATE;
                  }
  
                  m._pf.overflow = overflow;
              }
          }
  
          function isValid(m) {
              if (m._isValid == null) {
                  m._isValid = !isNaN(m._d.getTime()) &&
                      m._pf.overflow < 0 &&
                      !m._pf.empty &&
                      !m._pf.invalidMonth &&
                      !m._pf.nullInput &&
                      !m._pf.invalidFormat &&
                      !m._pf.userInvalidated;
  
                  if (m._strict) {
                      m._isValid = m._isValid &&
                          m._pf.charsLeftOver === 0 &&
                          m._pf.unusedTokens.length === 0;
                  }
              }
              return m._isValid;
          }
  
          function normalizeLocale(key) {
              return key ? key.toLowerCase().replace('_', '-') : key;
          }
  
          // pick the locale from the array
          // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
          // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
          function chooseLocale(names) {
              var i = 0, j, next, locale, split;
  
              while (i < names.length) {
                  split = normalizeLocale(names[i]).split('-');
                  j = split.length;
                  next = normalizeLocale(names[i + 1]);
                  next = next ? next.split('-') : null;
                  while (j > 0) {
                      locale = loadLocale(split.slice(0, j).join('-'));
                      if (locale) {
                          return locale;
                      }
                      if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                          //the next array item is better than a shallower substring of this one
                          break;
                      }
                      j--;
                  }
                  i++;
              }
              return null;
          }
  
          function loadLocale(name) {
              var oldLocale = null;
              if (!locales[name] && hasModule) {
                  try {
                      oldLocale = moment.locale();
                      require('./locale/' + name);
                      // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales
                      moment.locale(oldLocale);
                  } catch (e) { }
              }
              return locales[name];
          }
  
          // Return a moment from input, that is local/utc/zone equivalent to model.
          function makeAs(input, model) {
              return model._isUTC ? moment(input).zone(model._offset || 0) :
                  moment(input).local();
          }
  
          /************************************
              Locale
          ************************************/
  
  
          extend(Locale.prototype, {
  
              set : function (config) {
                  var prop, i;
                  for (i in config) {
                      prop = config[i];
                      if (typeof prop === 'function') {
                          this[i] = prop;
                      } else {
                          this['_' + i] = prop;
                      }
                  }
              },
  
              _months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
              months : function (m) {
                  return this._months[m.month()];
              },
  
              _monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
              monthsShort : function (m) {
                  return this._monthsShort[m.month()];
              },
  
              monthsParse : function (monthName) {
                  var i, mom, regex;
  
                  if (!this._monthsParse) {
                      this._monthsParse = [];
                  }
  
                  for (i = 0; i < 12; i++) {
                      // make the regex if we don't have it already
                      if (!this._monthsParse[i]) {
                          mom = moment.utc([2000, i]);
                          regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                          this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
                      }
                      // test the regex
                      if (this._monthsParse[i].test(monthName)) {
                          return i;
                      }
                  }
              },
  
              _weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
              weekdays : function (m) {
                  return this._weekdays[m.day()];
              },
  
              _weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
              weekdaysShort : function (m) {
                  return this._weekdaysShort[m.day()];
              },
  
              _weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
              weekdaysMin : function (m) {
                  return this._weekdaysMin[m.day()];
              },
  
              weekdaysParse : function (weekdayName) {
                  var i, mom, regex;
  
                  if (!this._weekdaysParse) {
                      this._weekdaysParse = [];
                  }
  
                  for (i = 0; i < 7; i++) {
                      // make the regex if we don't have it already
                      if (!this._weekdaysParse[i]) {
                          mom = moment([2000, 1]).day(i);
                          regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
                          this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
                      }
                      // test the regex
                      if (this._weekdaysParse[i].test(weekdayName)) {
                          return i;
                      }
                  }
              },
  
              _longDateFormat : {
                  LT : 'h:mm A',
                  L : 'MM/DD/YYYY',
                  LL : 'MMMM D, YYYY',
                  LLL : 'MMMM D, YYYY LT',
                  LLLL : 'dddd, MMMM D, YYYY LT'
              },
              longDateFormat : function (key) {
                  var output = this._longDateFormat[key];
                  if (!output && this._longDateFormat[key.toUpperCase()]) {
                      output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) {
                          return val.slice(1);
                      });
                      this._longDateFormat[key] = output;
                  }
                  return output;
              },
  
              isPM : function (input) {
                  // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
                  // Using charAt should be more compatible.
                  return ((input + '').toLowerCase().charAt(0) === 'p');
              },
  
              _meridiemParse : /[ap]\.?m?\.?/i,
              meridiem : function (hours, minutes, isLower) {
                  if (hours > 11) {
                      return isLower ? 'pm' : 'PM';
                  } else {
                      return isLower ? 'am' : 'AM';
                  }
              },
  
              _calendar : {
                  sameDay : '[Today at] LT',
                  nextDay : '[Tomorrow at] LT',
                  nextWeek : 'dddd [at] LT',
                  lastDay : '[Yesterday at] LT',
                  lastWeek : '[Last] dddd [at] LT',
                  sameElse : 'L'
              },
              calendar : function (key, mom) {
                  var output = this._calendar[key];
                  return typeof output === 'function' ? output.apply(mom) : output;
              },
  
              _relativeTime : {
                  future : 'in %s',
                  past : '%s ago',
                  s : 'a few seconds',
                  m : 'a minute',
                  mm : '%d minutes',
                  h : 'an hour',
                  hh : '%d hours',
                  d : 'a day',
                  dd : '%d days',
                  M : 'a month',
                  MM : '%d months',
                  y : 'a year',
                  yy : '%d years'
              },
  
              relativeTime : function (number, withoutSuffix, string, isFuture) {
                  var output = this._relativeTime[string];
                  return (typeof output === 'function') ?
                      output(number, withoutSuffix, string, isFuture) :
                      output.replace(/%d/i, number);
              },
  
              pastFuture : function (diff, output) {
                  var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
                  return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
              },
  
              ordinal : function (number) {
                  return this._ordinal.replace('%d', number);
              },
              _ordinal : '%d',
  
              preparse : function (string) {
                  return string;
              },
  
              postformat : function (string) {
                  return string;
              },
  
              week : function (mom) {
                  return weekOfYear(mom, this._week.dow, this._week.doy).week;
              },
  
              _week : {
                  dow : 0, // Sunday is the first day of the week.
                  doy : 6  // The week that contains Jan 1st is the first week of the year.
              },
  
              _invalidDate: 'Invalid date',
              invalidDate: function () {
                  return this._invalidDate;
              }
          });
  
          /************************************
              Formatting
          ************************************/
  
  
          function removeFormattingTokens(input) {
              if (input.match(/\[[\s\S]/)) {
                  return input.replace(/^\[|\]$/g, '');
              }
              return input.replace(/\\/g, '');
          }
  
          function makeFormatFunction(format) {
              var array = format.match(formattingTokens), i, length;
  
              for (i = 0, length = array.length; i < length; i++) {
                  if (formatTokenFunctions[array[i]]) {
                      array[i] = formatTokenFunctions[array[i]];
                  } else {
                      array[i] = removeFormattingTokens(array[i]);
                  }
              }
  
              return function (mom) {
                  var output = '';
                  for (i = 0; i < length; i++) {
                      output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
                  }
                  return output;
              };
          }
  
          // format date using native date object
          function formatMoment(m, format) {
              if (!m.isValid()) {
                  return m.localeData().invalidDate();
              }
  
              format = expandFormat(format, m.localeData());
  
              if (!formatFunctions[format]) {
                  formatFunctions[format] = makeFormatFunction(format);
              }
  
              return formatFunctions[format](m);
          }
  
          function expandFormat(format, locale) {
              var i = 5;
  
              function replaceLongDateFormatTokens(input) {
                  return locale.longDateFormat(input) || input;
              }
  
              localFormattingTokens.lastIndex = 0;
              while (i >= 0 && localFormattingTokens.test(format)) {
                  format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
                  localFormattingTokens.lastIndex = 0;
                  i -= 1;
              }
  
              return format;
          }
  
  
          /************************************
              Parsing
          ************************************/
  
  
          // get the regex to find the next token
          function getParseRegexForToken(token, config) {
              var a, strict = config._strict;
              switch (token) {
              case 'Q':
                  return parseTokenOneDigit;
              case 'DDDD':
                  return parseTokenThreeDigits;
              case 'YYYY':
              case 'GGGG':
              case 'gggg':
                  return strict ? parseTokenFourDigits : parseTokenOneToFourDigits;
              case 'Y':
              case 'G':
              case 'g':
                  return parseTokenSignedNumber;
              case 'YYYYYY':
              case 'YYYYY':
              case 'GGGGG':
              case 'ggggg':
                  return strict ? parseTokenSixDigits : parseTokenOneToSixDigits;
              case 'S':
                  if (strict) {
                      return parseTokenOneDigit;
                  }
                  /* falls through */
              case 'SS':
                  if (strict) {
                      return parseTokenTwoDigits;
                  }
                  /* falls through */
              case 'SSS':
                  if (strict) {
                      return parseTokenThreeDigits;
                  }
                  /* falls through */
              case 'DDD':
                  return parseTokenOneToThreeDigits;
              case 'MMM':
              case 'MMMM':
              case 'dd':
              case 'ddd':
              case 'dddd':
                  return parseTokenWord;
              case 'a':
              case 'A':
                  return config._locale._meridiemParse;
              case 'X':
                  return parseTokenTimestampMs;
              case 'Z':
              case 'ZZ':
                  return parseTokenTimezone;
              case 'T':
                  return parseTokenT;
              case 'SSSS':
                  return parseTokenDigits;
              case 'MM':
              case 'DD':
              case 'YY':
              case 'GG':
              case 'gg':
              case 'HH':
              case 'hh':
              case 'mm':
              case 'ss':
              case 'ww':
              case 'WW':
                  return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits;
              case 'M':
              case 'D':
              case 'd':
              case 'H':
              case 'h':
              case 'm':
              case 's':
              case 'w':
              case 'W':
              case 'e':
              case 'E':
                  return parseTokenOneOrTwoDigits;
              case 'Do':
                  return parseTokenOrdinal;
              default :
                  a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i'));
                  return a;
              }
          }
  
          function timezoneMinutesFromString(string) {
              string = string || '';
              var possibleTzMatches = (string.match(parseTokenTimezone) || []),
                  tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [],
                  parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0],
                  minutes = +(parts[1] * 60) + toInt(parts[2]);
  
              return parts[0] === '+' ? -minutes : minutes;
          }
  
          // function to convert string input to date
          function addTimeToArrayFromToken(token, input, config) {
              var a, datePartArray = config._a;
  
              switch (token) {
              // QUARTER
              case 'Q':
                  if (input != null) {
                      datePartArray[MONTH] = (toInt(input) - 1) * 3;
                  }
                  break;
              // MONTH
              case 'M' : // fall through to MM
              case 'MM' :
                  if (input != null) {
                      datePartArray[MONTH] = toInt(input) - 1;
                  }
                  break;
              case 'MMM' : // fall through to MMMM
              case 'MMMM' :
                  a = config._locale.monthsParse(input);
                  // if we didn't find a month name, mark the date as invalid.
                  if (a != null) {
                      datePartArray[MONTH] = a;
                  } else {
                      config._pf.invalidMonth = input;
                  }
                  break;
              // DAY OF MONTH
              case 'D' : // fall through to DD
              case 'DD' :
                  if (input != null) {
                      datePartArray[DATE] = toInt(input);
                  }
                  break;
              case 'Do' :
                  if (input != null) {
                      datePartArray[DATE] = toInt(parseInt(input, 10));
                  }
                  break;
              // DAY OF YEAR
              case 'DDD' : // fall through to DDDD
              case 'DDDD' :
                  if (input != null) {
                      config._dayOfYear = toInt(input);
                  }
  
                  break;
              // YEAR
              case 'YY' :
                  datePartArray[YEAR] = moment.parseTwoDigitYear(input);
                  break;
              case 'YYYY' :
              case 'YYYYY' :
              case 'YYYYYY' :
                  datePartArray[YEAR] = toInt(input);
                  break;
              // AM / PM
              case 'a' : // fall through to A
              case 'A' :
                  config._isPm = config._locale.isPM(input);
                  break;
              // 24 HOUR
              case 'H' : // fall through to hh
              case 'HH' : // fall through to hh
              case 'h' : // fall through to hh
              case 'hh' :
                  datePartArray[HOUR] = toInt(input);
                  break;
              // MINUTE
              case 'm' : // fall through to mm
              case 'mm' :
                  datePartArray[MINUTE] = toInt(input);
                  break;
              // SECOND
              case 's' : // fall through to ss
              case 'ss' :
                  datePartArray[SECOND] = toInt(input);
                  break;
              // MILLISECOND
              case 'S' :
              case 'SS' :
              case 'SSS' :
              case 'SSSS' :
                  datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000);
                  break;
              // UNIX TIMESTAMP WITH MS
              case 'X':
                  config._d = new Date(parseFloat(input) * 1000);
                  break;
              // TIMEZONE
              case 'Z' : // fall through to ZZ
              case 'ZZ' :
                  config._useUTC = true;
                  config._tzm = timezoneMinutesFromString(input);
                  break;
              // WEEKDAY - human
              case 'dd':
              case 'ddd':
              case 'dddd':
                  a = config._locale.weekdaysParse(input);
                  // if we didn't get a weekday name, mark the date as invalid
                  if (a != null) {
                      config._w = config._w || {};
                      config._w['d'] = a;
                  } else {
                      config._pf.invalidWeekday = input;
                  }
                  break;
              // WEEK, WEEK DAY - numeric
              case 'w':
              case 'ww':
              case 'W':
              case 'WW':
              case 'd':
              case 'e':
              case 'E':
                  token = token.substr(0, 1);
                  /* falls through */
              case 'gggg':
              case 'GGGG':
              case 'GGGGG':
                  token = token.substr(0, 2);
                  if (input) {
                      config._w = config._w || {};
                      config._w[token] = toInt(input);
                  }
                  break;
              case 'gg':
              case 'GG':
                  config._w = config._w || {};
                  config._w[token] = moment.parseTwoDigitYear(input);
              }
          }
  
          function dayOfYearFromWeekInfo(config) {
              var w, weekYear, week, weekday, dow, doy, temp;
  
              w = config._w;
              if (w.GG != null || w.W != null || w.E != null) {
                  dow = 1;
                  doy = 4;
  
                  // TODO: We need to take the current isoWeekYear, but that depends on
                  // how we interpret now (local, utc, fixed offset). So create
                  // a now version of current config (take local/utc/offset flags, and
                  // create now).
                  weekYear = dfl(w.GG, config._a[YEAR], weekOfYear(moment(), 1, 4).year);
                  week = dfl(w.W, 1);
                  weekday = dfl(w.E, 1);
              } else {
                  dow = config._locale._week.dow;
                  doy = config._locale._week.doy;
  
                  weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year);
                  week = dfl(w.w, 1);
  
                  if (w.d != null) {
                      // weekday -- low day numbers are considered next week
                      weekday = w.d;
                      if (weekday < dow) {
                          ++week;
                      }
                  } else if (w.e != null) {
                      // local weekday -- counting starts from begining of week
                      weekday = w.e + dow;
                  } else {
                      // default to begining of week
                      weekday = dow;
                  }
              }
              temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);
  
              config._a[YEAR] = temp.year;
              config._dayOfYear = temp.dayOfYear;
          }
  
          // convert an array to a date.
          // the array should mirror the parameters below
          // note: all values past the year are optional and will default to the lowest possible value.
          // [year, month, day , hour, minute, second, millisecond]
          function dateFromConfig(config) {
              var i, date, input = [], currentDate, yearToUse;
  
              if (config._d) {
                  return;
              }
  
              currentDate = currentDateArray(config);
  
              //compute day of the year from weeks and weekdays
              if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
                  dayOfYearFromWeekInfo(config);
              }
  
              //if the day of the year is set, figure out what it is
              if (config._dayOfYear) {
                  yearToUse = dfl(config._a[YEAR], currentDate[YEAR]);
  
                  if (config._dayOfYear > daysInYear(yearToUse)) {
                      config._pf._overflowDayOfYear = true;
                  }
  
                  date = makeUTCDate(yearToUse, 0, config._dayOfYear);
                  config._a[MONTH] = date.getUTCMonth();
                  config._a[DATE] = date.getUTCDate();
              }
  
              // Default to current date.
              // * if no year, month, day of month are given, default to today
              // * if day of month is given, default month and year
              // * if month is given, default only year
              // * if year is given, don't default anything
              for (i = 0; i < 3 && config._a[i] == null; ++i) {
                  config._a[i] = input[i] = currentDate[i];
              }
  
              // Zero out whatever was not defaulted, including time
              for (; i < 7; i++) {
                  config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
              }
  
              config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input);
              // Apply timezone offset from input. The actual zone can be changed
              // with parseZone.
              if (config._tzm != null) {
                  config._d.setUTCMinutes(config._d.getUTCMinutes() + config._tzm);
              }
          }
  
          function dateFromObject(config) {
              var normalizedInput;
  
              if (config._d) {
                  return;
              }
  
              normalizedInput = normalizeObjectUnits(config._i);
              config._a = [
                  normalizedInput.year,
                  normalizedInput.month,
                  normalizedInput.day,
                  normalizedInput.hour,
                  normalizedInput.minute,
                  normalizedInput.second,
                  normalizedInput.millisecond
              ];
  
              dateFromConfig(config);
          }
  
          function currentDateArray(config) {
              var now = new Date();
              if (config._useUTC) {
                  return [
                      now.getUTCFullYear(),
                      now.getUTCMonth(),
                      now.getUTCDate()
                  ];
              } else {
                  return [now.getFullYear(), now.getMonth(), now.getDate()];
              }
          }
  
          // date from string and format string
          function makeDateFromStringAndFormat(config) {
              if (config._f === moment.ISO_8601) {
                  parseISO(config);
                  return;
              }
  
              config._a = [];
              config._pf.empty = true;
  
              // This array is used to make a Date, either with `new Date` or `Date.UTC`
              var string = '' + config._i,
                  i, parsedInput, tokens, token, skipped,
                  stringLength = string.length,
                  totalParsedInputLength = 0;
  
              tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
  
              for (i = 0; i < tokens.length; i++) {
                  token = tokens[i];
                  parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
                  if (parsedInput) {
                      skipped = string.substr(0, string.indexOf(parsedInput));
                      if (skipped.length > 0) {
                          config._pf.unusedInput.push(skipped);
                      }
                      string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
                      totalParsedInputLength += parsedInput.length;
                  }
                  // don't parse if it's not a known token
                  if (formatTokenFunctions[token]) {
                      if (parsedInput) {
                          config._pf.empty = false;
                      }
                      else {
                          config._pf.unusedTokens.push(token);
                      }
                      addTimeToArrayFromToken(token, parsedInput, config);
                  }
                  else if (config._strict && !parsedInput) {
                      config._pf.unusedTokens.push(token);
                  }
              }
  
              // add remaining unparsed input length to the string
              config._pf.charsLeftOver = stringLength - totalParsedInputLength;
              if (string.length > 0) {
                  config._pf.unusedInput.push(string);
              }
  
              // handle am pm
              if (config._isPm && config._a[HOUR] < 12) {
                  config._a[HOUR] += 12;
              }
              // if is 12 am, change hours to 0
              if (config._isPm === false && config._a[HOUR] === 12) {
                  config._a[HOUR] = 0;
              }
  
              dateFromConfig(config);
              checkOverflow(config);
          }
  
          function unescapeFormat(s) {
              return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
                  return p1 || p2 || p3 || p4;
              });
          }
  
          // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
          function regexpEscape(s) {
              return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
          }
  
          // date from string and array of format strings
          function makeDateFromStringAndArray(config) {
              var tempConfig,
                  bestMoment,
  
                  scoreToBeat,
                  i,
                  currentScore;
  
              if (config._f.length === 0) {
                  config._pf.invalidFormat = true;
                  config._d = new Date(NaN);
                  return;
              }
  
              for (i = 0; i < config._f.length; i++) {
                  currentScore = 0;
                  tempConfig = copyConfig({}, config);
                  if (config._useUTC != null) {
                      tempConfig._useUTC = config._useUTC;
                  }
                  tempConfig._pf = defaultParsingFlags();
                  tempConfig._f = config._f[i];
                  makeDateFromStringAndFormat(tempConfig);
  
                  if (!isValid(tempConfig)) {
                      continue;
                  }
  
                  // if there is any input that was not parsed add a penalty for that format
                  currentScore += tempConfig._pf.charsLeftOver;
  
                  //or tokens
                  currentScore += tempConfig._pf.unusedTokens.length * 10;
  
                  tempConfig._pf.score = currentScore;
  
                  if (scoreToBeat == null || currentScore < scoreToBeat) {
                      scoreToBeat = currentScore;
                      bestMoment = tempConfig;
                  }
              }
  
              extend(config, bestMoment || tempConfig);
          }
  
          // date from iso format
          function parseISO(config) {
              var i, l,
                  string = config._i,
                  match = isoRegex.exec(string);
  
              if (match) {
                  config._pf.iso = true;
                  for (i = 0, l = isoDates.length; i < l; i++) {
                      if (isoDates[i][1].exec(string)) {
                          // match[5] should be 'T' or undefined
                          config._f = isoDates[i][0] + (match[6] || ' ');
                          break;
                      }
                  }
                  for (i = 0, l = isoTimes.length; i < l; i++) {
                      if (isoTimes[i][1].exec(string)) {
                          config._f += isoTimes[i][0];
                          break;
                      }
                  }
                  if (string.match(parseTokenTimezone)) {
                      config._f += 'Z';
                  }
                  makeDateFromStringAndFormat(config);
              } else {
                  config._isValid = false;
              }
          }
  
          // date from iso format or fallback
          function makeDateFromString(config) {
              parseISO(config);
              if (config._isValid === false) {
                  delete config._isValid;
                  moment.createFromInputFallback(config);
              }
          }
  
          function map(arr, fn) {
              var res = [], i;
              for (i = 0; i < arr.length; ++i) {
                  res.push(fn(arr[i], i));
              }
              return res;
          }
  
          function makeDateFromInput(config) {
              var input = config._i, matched;
              if (input === undefined) {
                  config._d = new Date();
              } else if (isDate(input)) {
                  config._d = new Date(+input);
              } else if ((matched = aspNetJsonRegex.exec(input)) !== null) {
                  config._d = new Date(+matched[1]);
              } else if (typeof input === 'string') {
                  makeDateFromString(config);
              } else if (isArray(input)) {
                  config._a = map(input.slice(0), function (obj) {
                      return parseInt(obj, 10);
                  });
                  dateFromConfig(config);
              } else if (typeof(input) === 'object') {
                  dateFromObject(config);
              } else if (typeof(input) === 'number') {
                  // from milliseconds
                  config._d = new Date(input);
              } else {
                  moment.createFromInputFallback(config);
              }
          }
  
          function makeDate(y, m, d, h, M, s, ms) {
              //can't just apply() to create a date:
              //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
              var date = new Date(y, m, d, h, M, s, ms);
  
              //the date constructor doesn't accept years < 1970
              if (y < 1970) {
                  date.setFullYear(y);
              }
              return date;
          }
  
          function makeUTCDate(y) {
              var date = new Date(Date.UTC.apply(null, arguments));
              if (y < 1970) {
                  date.setUTCFullYear(y);
              }
              return date;
          }
  
          function parseWeekday(input, locale) {
              if (typeof input === 'string') {
                  if (!isNaN(input)) {
                      input = parseInt(input, 10);
                  }
                  else {
                      input = locale.weekdaysParse(input);
                      if (typeof input !== 'number') {
                          return null;
                      }
                  }
              }
              return input;
          }
  
          /************************************
              Relative Time
          ************************************/
  
  
          // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
          function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
              return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
          }
  
          function relativeTime(posNegDuration, withoutSuffix, locale) {
              var duration = moment.duration(posNegDuration).abs(),
                  seconds = round(duration.as('s')),
                  minutes = round(duration.as('m')),
                  hours = round(duration.as('h')),
                  days = round(duration.as('d')),
                  months = round(duration.as('M')),
                  years = round(duration.as('y')),
  
                  args = seconds < relativeTimeThresholds.s && ['s', seconds] ||
                      minutes === 1 && ['m'] ||
                      minutes < relativeTimeThresholds.m && ['mm', minutes] ||
                      hours === 1 && ['h'] ||
                      hours < relativeTimeThresholds.h && ['hh', hours] ||
                      days === 1 && ['d'] ||
                      days < relativeTimeThresholds.d && ['dd', days] ||
                      months === 1 && ['M'] ||
                      months < relativeTimeThresholds.M && ['MM', months] ||
                      years === 1 && ['y'] || ['yy', years];
  
              args[2] = withoutSuffix;
              args[3] = +posNegDuration > 0;
              args[4] = locale;
              return substituteTimeAgo.apply({}, args);
          }
  
  
          /************************************
              Week of Year
          ************************************/
  
  
          // firstDayOfWeek       0 = sun, 6 = sat
          //                      the day of the week that starts the week
          //                      (usually sunday or monday)
          // firstDayOfWeekOfYear 0 = sun, 6 = sat
          //                      the first week is the week that contains the first
          //                      of this day of the week
          //                      (eg. ISO weeks use thursday (4))
          function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
              var end = firstDayOfWeekOfYear - firstDayOfWeek,
                  daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
                  adjustedMoment;
  
  
              if (daysToDayOfWeek > end) {
                  daysToDayOfWeek -= 7;
              }
  
              if (daysToDayOfWeek < end - 7) {
                  daysToDayOfWeek += 7;
              }
  
              adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd');
              return {
                  week: Math.ceil(adjustedMoment.dayOfYear() / 7),
                  year: adjustedMoment.year()
              };
          }
  
          //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
          function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
              var d = makeUTCDate(year, 0, 1).getUTCDay(), daysToAdd, dayOfYear;
  
              d = d === 0 ? 7 : d;
              weekday = weekday != null ? weekday : firstDayOfWeek;
              daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
              dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;
  
              return {
                  year: dayOfYear > 0 ? year : year - 1,
                  dayOfYear: dayOfYear > 0 ?  dayOfYear : daysInYear(year - 1) + dayOfYear
              };
          }
  
          /************************************
              Top Level Functions
          ************************************/
  
          function makeMoment(config) {
              var input = config._i,
                  format = config._f;
  
              config._locale = config._locale || moment.localeData(config._l);
  
              if (input === null || (format === undefined && input === '')) {
                  return moment.invalid({nullInput: true});
              }
  
              if (typeof input === 'string') {
                  config._i = input = config._locale.preparse(input);
              }
  
              if (moment.isMoment(input)) {
                  return new Moment(input, true);
              } else if (format) {
                  if (isArray(format)) {
                      makeDateFromStringAndArray(config);
                  } else {
                      makeDateFromStringAndFormat(config);
                  }
              } else {
                  makeDateFromInput(config);
              }
  
              return new Moment(config);
          }
  
          moment = function (input, format, locale, strict) {
              var c;
  
              if (typeof(locale) === 'boolean') {
                  strict = locale;
                  locale = undefined;
              }
              // object construction must be done this way.
              // https://github.com/moment/moment/issues/1423
              c = {};
              c._isAMomentObject = true;
              c._i = input;
              c._f = format;
              c._l = locale;
              c._strict = strict;
              c._isUTC = false;
              c._pf = defaultParsingFlags();
  
              return makeMoment(c);
          };
  
          moment.suppressDeprecationWarnings = false;
  
          moment.createFromInputFallback = deprecate(
              'moment construction falls back to js Date. This is ' +
              'discouraged and will be removed in upcoming major ' +
              'release. Please refer to ' +
              'https://github.com/moment/moment/issues/1407 for more info.',
              function (config) {
                  config._d = new Date(config._i);
              }
          );
  
          // Pick a moment m from moments so that m[fn](other) is true for all
          // other. This relies on the function fn to be transitive.
          //
          // moments should either be an array of moment objects or an array, whose
          // first element is an array of moment objects.
          function pickBy(fn, moments) {
              var res, i;
              if (moments.length === 1 && isArray(moments[0])) {
                  moments = moments[0];
              }
              if (!moments.length) {
                  return moment();
              }
              res = moments[0];
              for (i = 1; i < moments.length; ++i) {
                  if (moments[i][fn](res)) {
                      res = moments[i];
                  }
              }
              return res;
          }
  
          moment.min = function () {
              var args = [].slice.call(arguments, 0);
  
              return pickBy('isBefore', args);
          };
  
          moment.max = function () {
              var args = [].slice.call(arguments, 0);
  
              return pickBy('isAfter', args);
          };
  
          // creating with utc
          moment.utc = function (input, format, locale, strict) {
              var c;
  
              if (typeof(locale) === 'boolean') {
                  strict = locale;
                  locale = undefined;
              }
              // object construction must be done this way.
              // https://github.com/moment/moment/issues/1423
              c = {};
              c._isAMomentObject = true;
              c._useUTC = true;
              c._isUTC = true;
              c._l = locale;
              c._i = input;
              c._f = format;
              c._strict = strict;
              c._pf = defaultParsingFlags();
  
              return makeMoment(c).utc();
          };
  
          // creating with unix timestamp (in seconds)
          moment.unix = function (input) {
              return moment(input * 1000);
          };
  
          // duration
          moment.duration = function (input, key) {
              var duration = input,
                  // matching against regexp is expensive, do it on demand
                  match = null,
                  sign,
                  ret,
                  parseIso,
                  diffRes;
  
              if (moment.isDuration(input)) {
                  duration = {
                      ms: input._milliseconds,
                      d: input._days,
                      M: input._months
                  };
              } else if (typeof input === 'number') {
                  duration = {};
                  if (key) {
                      duration[key] = input;
                  } else {
                      duration.milliseconds = input;
                  }
              } else if (!!(match = aspNetTimeSpanJsonRegex.exec(input))) {
                  sign = (match[1] === '-') ? -1 : 1;
                  duration = {
                      y: 0,
                      d: toInt(match[DATE]) * sign,
                      h: toInt(match[HOUR]) * sign,
                      m: toInt(match[MINUTE]) * sign,
                      s: toInt(match[SECOND]) * sign,
                      ms: toInt(match[MILLISECOND]) * sign
                  };
              } else if (!!(match = isoDurationRegex.exec(input))) {
                  sign = (match[1] === '-') ? -1 : 1;
                  parseIso = function (inp) {
                      // We'd normally use ~~inp for this, but unfortunately it also
                      // converts floats to ints.
                      // inp may be undefined, so careful calling replace on it.
                      var res = inp && parseFloat(inp.replace(',', '.'));
                      // apply sign while we're at it
                      return (isNaN(res) ? 0 : res) * sign;
                  };
                  duration = {
                      y: parseIso(match[2]),
                      M: parseIso(match[3]),
                      d: parseIso(match[4]),
                      h: parseIso(match[5]),
                      m: parseIso(match[6]),
                      s: parseIso(match[7]),
                      w: parseIso(match[8])
                  };
              } else if (typeof duration === 'object' &&
                      ('from' in duration || 'to' in duration)) {
                  diffRes = momentsDifference(moment(duration.from), moment(duration.to));
  
                  duration = {};
                  duration.ms = diffRes.milliseconds;
                  duration.M = diffRes.months;
              }
  
              ret = new Duration(duration);
  
              if (moment.isDuration(input) && hasOwnProp(input, '_locale')) {
                  ret._locale = input._locale;
              }
  
              return ret;
          };
  
          // version number
          moment.version = VERSION;
  
          // default format
          moment.defaultFormat = isoFormat;
  
          // constant that refers to the ISO standard
          moment.ISO_8601 = function () {};
  
          // Plugins that add properties should also add the key here (null value),
          // so we can properly clone ourselves.
          moment.momentProperties = momentProperties;
  
          // This function will be called whenever a moment is mutated.
          // It is intended to keep the offset in sync with the timezone.
          moment.updateOffset = function () {};
  
          // This function allows you to set a threshold for relative time strings
          moment.relativeTimeThreshold = function (threshold, limit) {
              if (relativeTimeThresholds[threshold] === undefined) {
                  return false;
              }
              if (limit === undefined) {
                  return relativeTimeThresholds[threshold];
              }
              relativeTimeThresholds[threshold] = limit;
              return true;
          };
  
          moment.lang = deprecate(
              'moment.lang is deprecated. Use moment.locale instead.',
              function (key, value) {
                  return moment.locale(key, value);
              }
          );
  
          // This function will load locale and then set the global locale.  If
          // no arguments are passed in, it will simply return the current global
          // locale key.
          moment.locale = function (key, values) {
              var data;
              if (key) {
                  if (typeof(values) !== 'undefined') {
                      data = moment.defineLocale(key, values);
                  }
                  else {
                      data = moment.localeData(key);
                  }
  
                  if (data) {
                      moment.duration._locale = moment._locale = data;
                  }
              }
  
              return moment._locale._abbr;
          };
  
          moment.defineLocale = function (name, values) {
              if (values !== null) {
                  values.abbr = name;
                  if (!locales[name]) {
                      locales[name] = new Locale();
                  }
                  locales[name].set(values);
  
                  // backwards compat for now: also set the locale
                  moment.locale(name);
  
                  return locales[name];
              } else {
                  // useful for testing
                  delete locales[name];
                  return null;
              }
          };
  
          moment.langData = deprecate(
              'moment.langData is deprecated. Use moment.localeData instead.',
              function (key) {
                  return moment.localeData(key);
              }
          );
  
          // returns locale data
          moment.localeData = function (key) {
              var locale;
  
              if (key && key._locale && key._locale._abbr) {
                  key = key._locale._abbr;
              }
  
              if (!key) {
                  return moment._locale;
              }
  
              if (!isArray(key)) {
                  //short-circuit everything else
                  locale = loadLocale(key);
                  if (locale) {
                      return locale;
                  }
                  key = [key];
              }
  
              return chooseLocale(key);
          };
  
          // compare moment object
          moment.isMoment = function (obj) {
              return obj instanceof Moment ||
                  (obj != null && hasOwnProp(obj, '_isAMomentObject'));
          };
  
          // for typechecking Duration objects
          moment.isDuration = function (obj) {
              return obj instanceof Duration;
          };
  
          for (i = lists.length - 1; i >= 0; --i) {
              makeList(lists[i]);
          }
  
          moment.normalizeUnits = function (units) {
              return normalizeUnits(units);
          };
  
          moment.invalid = function (flags) {
              var m = moment.utc(NaN);
              if (flags != null) {
                  extend(m._pf, flags);
              }
              else {
                  m._pf.userInvalidated = true;
              }
  
              return m;
          };
  
          moment.parseZone = function () {
              return moment.apply(null, arguments).parseZone();
          };
  
          moment.parseTwoDigitYear = function (input) {
              return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
          };
  
          /************************************
              Moment Prototype
          ************************************/
  
  
          extend(moment.fn = Moment.prototype, {
  
              clone : function () {
                  return moment(this);
              },
  
              valueOf : function () {
                  return +this._d + ((this._offset || 0) * 60000);
              },
  
              unix : function () {
                  return Math.floor(+this / 1000);
              },
  
              toString : function () {
                  return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
              },
  
              toDate : function () {
                  return this._offset ? new Date(+this) : this._d;
              },
  
              toISOString : function () {
                  var m = moment(this).utc();
                  if (0 < m.year() && m.year() <= 9999) {
                      return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
                  } else {
                      return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
                  }
              },
  
              toArray : function () {
                  var m = this;
                  return [
                      m.year(),
                      m.month(),
                      m.date(),
                      m.hours(),
                      m.minutes(),
                      m.seconds(),
                      m.milliseconds()
                  ];
              },
  
              isValid : function () {
                  return isValid(this);
              },
  
              isDSTShifted : function () {
                  if (this._a) {
                      return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0;
                  }
  
                  return false;
              },
  
              parsingFlags : function () {
                  return extend({}, this._pf);
              },
  
              invalidAt: function () {
                  return this._pf.overflow;
              },
  
              utc : function (keepLocalTime) {
                  return this.zone(0, keepLocalTime);
              },
  
              local : function (keepLocalTime) {
                  if (this._isUTC) {
                      this.zone(0, keepLocalTime);
                      this._isUTC = false;
  
                      if (keepLocalTime) {
                          this.add(this._dateTzOffset(), 'm');
                      }
                  }
                  return this;
              },
  
              format : function (inputString) {
                  var output = formatMoment(this, inputString || moment.defaultFormat);
                  return this.localeData().postformat(output);
              },
  
              add : createAdder(1, 'add'),
  
              subtract : createAdder(-1, 'subtract'),
  
              diff : function (input, units, asFloat) {
                  var that = makeAs(input, this),
                      zoneDiff = (this.zone() - that.zone()) * 6e4,
                      diff, output, daysAdjust;
  
                  units = normalizeUnits(units);
  
                  if (units === 'year' || units === 'month') {
                      // average number of days in the months in the given dates
                      diff = (this.daysInMonth() + that.daysInMonth()) * 432e5; // 24 * 60 * 60 * 1000 / 2
                      // difference in months
                      output = ((this.year() - that.year()) * 12) + (this.month() - that.month());
                      // adjust by taking difference in days, average number of days
                      // and dst in the given months.
                      daysAdjust = (this - moment(this).startOf('month')) -
                          (that - moment(that).startOf('month'));
                      // same as above but with zones, to negate all dst
                      daysAdjust -= ((this.zone() - moment(this).startOf('month').zone()) -
                              (that.zone() - moment(that).startOf('month').zone())) * 6e4;
                      output += daysAdjust / diff;
                      if (units === 'year') {
                          output = output / 12;
                      }
                  } else {
                      diff = (this - that);
                      output = units === 'second' ? diff / 1e3 : // 1000
                          units === 'minute' ? diff / 6e4 : // 1000 * 60
                          units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60
                          units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
                          units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
                          diff;
                  }
                  return asFloat ? output : absRound(output);
              },
  
              from : function (time, withoutSuffix) {
                  return moment.duration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
              },
  
              fromNow : function (withoutSuffix) {
                  return this.from(moment(), withoutSuffix);
              },
  
              calendar : function (time) {
                  // We want to compare the start of today, vs this.
                  // Getting start-of-today depends on whether we're zone'd or not.
                  var now = time || moment(),
                      sod = makeAs(now, this).startOf('day'),
                      diff = this.diff(sod, 'days', true),
                      format = diff < -6 ? 'sameElse' :
                          diff < -1 ? 'lastWeek' :
                          diff < 0 ? 'lastDay' :
                          diff < 1 ? 'sameDay' :
                          diff < 2 ? 'nextDay' :
                          diff < 7 ? 'nextWeek' : 'sameElse';
                  return this.format(this.localeData().calendar(format, this));
              },
  
              isLeapYear : function () {
                  return isLeapYear(this.year());
              },
  
              isDST : function () {
                  return (this.zone() < this.clone().month(0).zone() ||
                      this.zone() < this.clone().month(5).zone());
              },
  
              day : function (input) {
                  var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
                  if (input != null) {
                      input = parseWeekday(input, this.localeData());
                      return this.add(input - day, 'd');
                  } else {
                      return day;
                  }
              },
  
              month : makeAccessor('Month', true),
  
              startOf : function (units) {
                  units = normalizeUnits(units);
                  // the following switch intentionally omits break keywords
                  // to utilize falling through the cases.
                  switch (units) {
                  case 'year':
                      this.month(0);
                      /* falls through */
                  case 'quarter':
                  case 'month':
                      this.date(1);
                      /* falls through */
                  case 'week':
                  case 'isoWeek':
                  case 'day':
                      this.hours(0);
                      /* falls through */
                  case 'hour':
                      this.minutes(0);
                      /* falls through */
                  case 'minute':
                      this.seconds(0);
                      /* falls through */
                  case 'second':
                      this.milliseconds(0);
                      /* falls through */
                  }
  
                  // weeks are a special case
                  if (units === 'week') {
                      this.weekday(0);
                  } else if (units === 'isoWeek') {
                      this.isoWeekday(1);
                  }
  
                  // quarters are also special
                  if (units === 'quarter') {
                      this.month(Math.floor(this.month() / 3) * 3);
                  }
  
                  return this;
              },
  
              endOf: function (units) {
                  units = normalizeUnits(units);
                  return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
              },
  
              isAfter: function (input, units) {
                  units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
                  if (units === 'millisecond') {
                      input = moment.isMoment(input) ? input : moment(input);
                      return +this > +input;
                  } else {
                      return +this.clone().startOf(units) > +moment(input).startOf(units);
                  }
              },
  
              isBefore: function (input, units) {
                  units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
                  if (units === 'millisecond') {
                      input = moment.isMoment(input) ? input : moment(input);
                      return +this < +input;
                  } else {
                      return +this.clone().startOf(units) < +moment(input).startOf(units);
                  }
              },
  
              isSame: function (input, units) {
                  units = normalizeUnits(units || 'millisecond');
                  if (units === 'millisecond') {
                      input = moment.isMoment(input) ? input : moment(input);
                      return +this === +input;
                  } else {
                      return +this.clone().startOf(units) === +makeAs(input, this).startOf(units);
                  }
              },
  
              min: deprecate(
                       'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
                       function (other) {
                           other = moment.apply(null, arguments);
                           return other < this ? this : other;
                       }
               ),
  
              max: deprecate(
                      'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
                      function (other) {
                          other = moment.apply(null, arguments);
                          return other > this ? this : other;
                      }
              ),
  
              // keepLocalTime = true means only change the timezone, without
              // affecting the local hour. So 5:31:26 +0300 --[zone(2, true)]-->
              // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist int zone
              // +0200, so we adjust the time as needed, to be valid.
              //
              // Keeping the time actually adds/subtracts (one hour)
              // from the actual represented time. That is why we call updateOffset
              // a second time. In case it wants us to change the offset again
              // _changeInProgress == true case, then we have to adjust, because
              // there is no such time in the given timezone.
              zone : function (input, keepLocalTime) {
                  var offset = this._offset || 0,
                      localAdjust;
                  if (input != null) {
                      if (typeof input === 'string') {
                          input = timezoneMinutesFromString(input);
                      }
                      if (Math.abs(input) < 16) {
                          input = input * 60;
                      }
                      if (!this._isUTC && keepLocalTime) {
                          localAdjust = this._dateTzOffset();
                      }
                      this._offset = input;
                      this._isUTC = true;
                      if (localAdjust != null) {
                          this.subtract(localAdjust, 'm');
                      }
                      if (offset !== input) {
                          if (!keepLocalTime || this._changeInProgress) {
                              addOrSubtractDurationFromMoment(this,
                                      moment.duration(offset - input, 'm'), 1, false);
                          } else if (!this._changeInProgress) {
                              this._changeInProgress = true;
                              moment.updateOffset(this, true);
                              this._changeInProgress = null;
                          }
                      }
                  } else {
                      return this._isUTC ? offset : this._dateTzOffset();
                  }
                  return this;
              },
  
              zoneAbbr : function () {
                  return this._isUTC ? 'UTC' : '';
              },
  
              zoneName : function () {
                  return this._isUTC ? 'Coordinated Universal Time' : '';
              },
  
              parseZone : function () {
                  if (this._tzm) {
                      this.zone(this._tzm);
                  } else if (typeof this._i === 'string') {
                      this.zone(this._i);
                  }
                  return this;
              },
  
              hasAlignedHourOffset : function (input) {
                  if (!input) {
                      input = 0;
                  }
                  else {
                      input = moment(input).zone();
                  }
  
                  return (this.zone() - input) % 60 === 0;
              },
  
              daysInMonth : function () {
                  return daysInMonth(this.year(), this.month());
              },
  
              dayOfYear : function (input) {
                  var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1;
                  return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
              },
  
              quarter : function (input) {
                  return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
              },
  
              weekYear : function (input) {
                  var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
                  return input == null ? year : this.add((input - year), 'y');
              },
  
              isoWeekYear : function (input) {
                  var year = weekOfYear(this, 1, 4).year;
                  return input == null ? year : this.add((input - year), 'y');
              },
  
              week : function (input) {
                  var week = this.localeData().week(this);
                  return input == null ? week : this.add((input - week) * 7, 'd');
              },
  
              isoWeek : function (input) {
                  var week = weekOfYear(this, 1, 4).week;
                  return input == null ? week : this.add((input - week) * 7, 'd');
              },
  
              weekday : function (input) {
                  var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
                  return input == null ? weekday : this.add(input - weekday, 'd');
              },
  
              isoWeekday : function (input) {
                  // behaves the same as moment#day except
                  // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
                  // as a setter, sunday should belong to the previous week.
                  return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
              },
  
              isoWeeksInYear : function () {
                  return weeksInYear(this.year(), 1, 4);
              },
  
              weeksInYear : function () {
                  var weekInfo = this.localeData()._week;
                  return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
              },
  
              get : function (units) {
                  units = normalizeUnits(units);
                  return this[units]();
              },
  
              set : function (units, value) {
                  units = normalizeUnits(units);
                  if (typeof this[units] === 'function') {
                      this[units](value);
                  }
                  return this;
              },
  
              // If passed a locale key, it will set the locale for this
              // instance.  Otherwise, it will return the locale configuration
              // variables for this instance.
              locale : function (key) {
                  var newLocaleData;
  
                  if (key === undefined) {
                      return this._locale._abbr;
                  } else {
                      newLocaleData = moment.localeData(key);
                      if (newLocaleData != null) {
                          this._locale = newLocaleData;
                      }
                      return this;
                  }
              },
  
              lang : deprecate(
                  'moment().lang() is deprecated. Use moment().localeData() instead.',
                  function (key) {
                      if (key === undefined) {
                          return this.localeData();
                      } else {
                          return this.locale(key);
                      }
                  }
              ),
  
              localeData : function () {
                  return this._locale;
              },
  
              _dateTzOffset : function () {
                  // On Firefox.24 Date#getTimezoneOffset returns a floating point.
                  // https://github.com/moment/moment/pull/1871
                  return Math.round(this._d.getTimezoneOffset() / 15) * 15;
              }
          });
  
          function rawMonthSetter(mom, value) {
              var dayOfMonth;
  
              // TODO: Move this out of here!
              if (typeof value === 'string') {
                  value = mom.localeData().monthsParse(value);
                  // TODO: Another silent failure?
                  if (typeof value !== 'number') {
                      return mom;
                  }
              }
  
              dayOfMonth = Math.min(mom.date(),
                      daysInMonth(mom.year(), value));
              mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
              return mom;
          }
  
          function rawGetter(mom, unit) {
              return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]();
          }
  
          function rawSetter(mom, unit, value) {
              if (unit === 'Month') {
                  return rawMonthSetter(mom, value);
              } else {
                  return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
              }
          }
  
          function makeAccessor(unit, keepTime) {
              return function (value) {
                  if (value != null) {
                      rawSetter(this, unit, value);
                      moment.updateOffset(this, keepTime);
                      return this;
                  } else {
                      return rawGetter(this, unit);
                  }
              };
          }
  
          moment.fn.millisecond = moment.fn.milliseconds = makeAccessor('Milliseconds', false);
          moment.fn.second = moment.fn.seconds = makeAccessor('Seconds', false);
          moment.fn.minute = moment.fn.minutes = makeAccessor('Minutes', false);
          // Setting the hour should keep the time, because the user explicitly
          // specified which hour he wants. So trying to maintain the same hour (in
          // a new timezone) makes sense. Adding/subtracting hours does not follow
          // this rule.
          moment.fn.hour = moment.fn.hours = makeAccessor('Hours', true);
          // moment.fn.month is defined separately
          moment.fn.date = makeAccessor('Date', true);
          moment.fn.dates = deprecate('dates accessor is deprecated. Use date instead.', makeAccessor('Date', true));
          moment.fn.year = makeAccessor('FullYear', true);
          moment.fn.years = deprecate('years accessor is deprecated. Use year instead.', makeAccessor('FullYear', true));
  
          // add plural methods
          moment.fn.days = moment.fn.day;
          moment.fn.months = moment.fn.month;
          moment.fn.weeks = moment.fn.week;
          moment.fn.isoWeeks = moment.fn.isoWeek;
          moment.fn.quarters = moment.fn.quarter;
  
          // add aliased format methods
          moment.fn.toJSON = moment.fn.toISOString;
  
          /************************************
              Duration Prototype
          ************************************/
  
  
          function daysToYears (days) {
              // 400 years have 146097 days (taking into account leap year rules)
              return days * 400 / 146097;
          }
  
          function yearsToDays (years) {
              // years * 365 + absRound(years / 4) -
              //     absRound(years / 100) + absRound(years / 400);
              return years * 146097 / 400;
          }
  
          extend(moment.duration.fn = Duration.prototype, {
  
              _bubble : function () {
                  var milliseconds = this._milliseconds,
                      days = this._days,
                      months = this._months,
                      data = this._data,
                      seconds, minutes, hours, years = 0;
  
                  // The following code bubbles up values, see the tests for
                  // examples of what that means.
                  data.milliseconds = milliseconds % 1000;
  
                  seconds = absRound(milliseconds / 1000);
                  data.seconds = seconds % 60;
  
                  minutes = absRound(seconds / 60);
                  data.minutes = minutes % 60;
  
                  hours = absRound(minutes / 60);
                  data.hours = hours % 24;
  
                  days += absRound(hours / 24);
  
                  // Accurately convert days to years, assume start from year 0.
                  years = absRound(daysToYears(days));
                  days -= absRound(yearsToDays(years));
  
                  // 30 days to a month
                  // TODO (iskren): Use anchor date (like 1st Jan) to compute this.
                  months += absRound(days / 30);
                  days %= 30;
  
                  // 12 months -> 1 year
                  years += absRound(months / 12);
                  months %= 12;
  
                  data.days = days;
                  data.months = months;
                  data.years = years;
              },
  
              abs : function () {
                  this._milliseconds = Math.abs(this._milliseconds);
                  this._days = Math.abs(this._days);
                  this._months = Math.abs(this._months);
  
                  this._data.milliseconds = Math.abs(this._data.milliseconds);
                  this._data.seconds = Math.abs(this._data.seconds);
                  this._data.minutes = Math.abs(this._data.minutes);
                  this._data.hours = Math.abs(this._data.hours);
                  this._data.months = Math.abs(this._data.months);
                  this._data.years = Math.abs(this._data.years);
  
                  return this;
              },
  
              weeks : function () {
                  return absRound(this.days() / 7);
              },
  
              valueOf : function () {
                  return this._milliseconds +
                    this._days * 864e5 +
                    (this._months % 12) * 2592e6 +
                    toInt(this._months / 12) * 31536e6;
              },
  
              humanize : function (withSuffix) {
                  var output = relativeTime(this, !withSuffix, this.localeData());
  
                  if (withSuffix) {
                      output = this.localeData().pastFuture(+this, output);
                  }
  
                  return this.localeData().postformat(output);
              },
  
              add : function (input, val) {
                  // supports only 2.0-style add(1, 's') or add(moment)
                  var dur = moment.duration(input, val);
  
                  this._milliseconds += dur._milliseconds;
                  this._days += dur._days;
                  this._months += dur._months;
  
                  this._bubble();
  
                  return this;
              },
  
              subtract : function (input, val) {
                  var dur = moment.duration(input, val);
  
                  this._milliseconds -= dur._milliseconds;
                  this._days -= dur._days;
                  this._months -= dur._months;
  
                  this._bubble();
  
                  return this;
              },
  
              get : function (units) {
                  units = normalizeUnits(units);
                  return this[units.toLowerCase() + 's']();
              },
  
              as : function (units) {
                  var days, months;
                  units = normalizeUnits(units);
  
                  if (units === 'month' || units === 'year') {
                      days = this._days + this._milliseconds / 864e5;
                      months = this._months + daysToYears(days) * 12;
                      return units === 'month' ? months : months / 12;
                  } else {
                      // handle milliseconds separately because of floating point math errors (issue #1867)
                      days = this._days + yearsToDays(this._months / 12);
                      switch (units) {
                          case 'week': return days / 7 + this._milliseconds / 6048e5;
                          case 'day': return days + this._milliseconds / 864e5;
                          case 'hour': return days * 24 + this._milliseconds / 36e5;
                          case 'minute': return days * 24 * 60 + this._milliseconds / 6e4;
                          case 'second': return days * 24 * 60 * 60 + this._milliseconds / 1000;
                          // Math.floor prevents floating point math errors here
                          case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + this._milliseconds;
                          default: throw new Error('Unknown unit ' + units);
                      }
                  }
              },
  
              lang : moment.fn.lang,
              locale : moment.fn.locale,
  
              toIsoString : deprecate(
                  'toIsoString() is deprecated. Please use toISOString() instead ' +
                  '(notice the capitals)',
                  function () {
                      return this.toISOString();
                  }
              ),
  
              toISOString : function () {
                  // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
                  var years = Math.abs(this.years()),
                      months = Math.abs(this.months()),
                      days = Math.abs(this.days()),
                      hours = Math.abs(this.hours()),
                      minutes = Math.abs(this.minutes()),
                      seconds = Math.abs(this.seconds() + this.milliseconds() / 1000);
  
                  if (!this.asSeconds()) {
                      // this is the same as C#'s (Noda) and python (isodate)...
                      // but not other JS (goog.date)
                      return 'P0D';
                  }
  
                  return (this.asSeconds() < 0 ? '-' : '') +
                      'P' +
                      (years ? years + 'Y' : '') +
                      (months ? months + 'M' : '') +
                      (days ? days + 'D' : '') +
                      ((hours || minutes || seconds) ? 'T' : '') +
                      (hours ? hours + 'H' : '') +
                      (minutes ? minutes + 'M' : '') +
                      (seconds ? seconds + 'S' : '');
              },
  
              localeData : function () {
                  return this._locale;
              }
          });
  
          moment.duration.fn.toString = moment.duration.fn.toISOString;
  
          function makeDurationGetter(name) {
              moment.duration.fn[name] = function () {
                  return this._data[name];
              };
          }
  
          for (i in unitMillisecondFactors) {
              if (hasOwnProp(unitMillisecondFactors, i)) {
                  makeDurationGetter(i.toLowerCase());
              }
          }
  
          moment.duration.fn.asMilliseconds = function () {
              return this.as('ms');
          };
          moment.duration.fn.asSeconds = function () {
              return this.as('s');
          };
          moment.duration.fn.asMinutes = function () {
              return this.as('m');
          };
          moment.duration.fn.asHours = function () {
              return this.as('h');
          };
          moment.duration.fn.asDays = function () {
              return this.as('d');
          };
          moment.duration.fn.asWeeks = function () {
              return this.as('weeks');
          };
          moment.duration.fn.asMonths = function () {
              return this.as('M');
          };
          moment.duration.fn.asYears = function () {
              return this.as('y');
          };
  
          /************************************
              Default Locale
          ************************************/
  
  
          // Set default locale, other locale will inherit from English.
          moment.locale('en', {
              ordinal : function (number) {
                  var b = number % 10,
                      output = (toInt(number % 100 / 10) === 1) ? 'th' :
                      (b === 1) ? 'st' :
                      (b === 2) ? 'nd' :
                      (b === 3) ? 'rd' : 'th';
                  return number + output;
              }
          });
  
          return moment;
  
      }).call(this);
  
      UI.Utils.moment = moment;
  
      return UI.datepicker;
  });
  