text: /* http://keith-wood.name/countdown.html
   Countdown for jQuery v2.0.1.
   Written by Keith Wood (kbwood{at}iinet.com.au) January 2008.
   Available under the MIT (https://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt) license.
   Please attribute the author if you use it. */
  
  (function ($) { // Hide scope, no $ conflict
  
      var pluginName = 'countdown';
  
      var Y = 0; // Years
      var O = 1; // Months
      var W = 2; // Weeks
      var D = 3; // Days
      var H = 4; // Hours
      var M = 5; // Minutes
      var S = 6; // Seconds
  
      /** Create the countdown plugin.
       <p>Sets an element to show the time remaining until a given instant.</p>
       <p>Expects HTML like:</p>
       <pre>&lt;div>&lt;/div></pre>
       <p>Provide inline configuration like:</p>
       <pre>&lt;div data-countdown="name: 'value'">&lt;/div></pre>
       @module Countdown
       @augments JQPlugin
       @example $(selector).countdown({until: +300}) */
      $.JQPlugin.createPlugin({
  
          /** The name of the plugin. */
          name: pluginName,
  
          /** Countdown expiry callback.
           Triggered when the countdown expires.
           @callback expiryCallback */
  
          /** Countdown server synchronisation callback.
           Triggered when the countdown is initialised.
           @callback serverSyncCallback
           @return {Date} The current date/time on the server as expressed in the local timezone. */
  
          /** Countdown tick callback.
           Triggered on every <code>tickInterval</code> ticks of the countdown.
           @callback tickCallback
           @param periods {number[]} The breakdown by period (years, months, weeks, days,
           hours, minutes, seconds) of the time remaining/passed. */
  
          /** Countdown which labels callback.
           Triggered when the countdown is being display to determine which set of labels
           (<code>labels</code>, <code>labels1</code>, ...) are to be used for the current period value.
           @callback whichLabelsCallback
           @param num {number} The current period value.
           @return {number} The suffix for the label set to use. */
  
          /** Default settings for the plugin.
           @property until {Date|number|string} The date/time to count down to, or number of seconds
           offset from now, or string of amounts and units for offset(s) from now:
           'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds.
           @example until: new Date(2013, 12-1, 25, 13, 30)
           until: +300
           until: '+1O -2D'
           @property [since] {Date|number|string} The date/time to count up from, or
           number of seconds offset from now, or string for unit offset(s):
           'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds.
           @example since: new Date(2013, 1-1, 1)
           since: -300
           since: '-1O +2D'
           @property [timezone=null] {number} The timezone (hours or minutes from GMT) for the target times,
           or null for client local timezone.
           @example timezone: +10
           timezone: -60
           @property [serverSync=null] {serverSyncCallback} A function to retrieve the current server time
           for synchronisation.
           @property [format='dHMS'] {string} The format for display - upper case for always, lower case only if non-zero,
           'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds.
           @property [layout=''] {string} Build your own layout for the countdown.
           @example layout: '{d<}{dn} {dl}{d>} {hnn}:{mnn}:{snn}'
           @property [compact=false] {boolean} True to display in a compact format, false for an expanded one.
           @property [padZeroes=false] {boolean} True to add leading zeroes
           @property [significant=0] {number} The number of periods with non-zero values to show, zero for all.
           @property [description=''] {string} The description displayed for the countdown.
           @property [expiryUrl=''] {string} A URL to load upon expiry, replacing the current page.
           @property [expiryText=''] {string} Text to display upon expiry, replacing the countdown. This may be HTML.
           @property [alwaysExpire=false] {boolean} True to trigger <code>onExpiry</code> even if target time has passed.
           @property [onExpiry=null] {expiryCallback} Callback when the countdown expires -
           receives no parameters and <code>this</code> is the containing division.
           @example onExpiry: function() {
  	...
   }
           @property [onTick=null] {tickCallback} Callback when the countdown is updated -
           receives <code>number[7]</code> being the breakdown by period
           (years, months, weeks, days, hours, minutes, seconds - based on
           <code>format</code>) and <code>this</code> is the containing division.
           @example onTick: function(periods) {
   	var secs = $.countdown.periodsToSeconds(periods);
   	if (secs < 300) { // Last five minutes
  		...
   	}
   }
           @property [tickInterval=1] {number} The interval (seconds) between <code>onTick</code> callbacks. */
          defaultOptions: {
              until: null,
              since: null,
              timezone: null,
              serverSync: null,
              format: 'dHMS',
              layout: '',
              compact: false,
              padZeroes: false,
              significant: 0,
              description: '',
              expiryUrl: '',
              expiryText: '',
              alwaysExpire: false,
              onExpiry: null,
              onTick: null,
              tickInterval: 1
          },
  
          /** Localisations for the plugin.
           Entries are objects indexed by the language code ('' being the default US/English).
           Each object has the following attributes.
           @property [labels=['Years','Months','Weeks','Days','Hours','Minutes','Seconds']] {string[]}
           The display texts for the counter periods.
           @property [labels1=['Year','Month','Week','Day','Hour','Minute','Second']] {string[]}
           The display texts for the counter periods if they have a value of 1.
           Add other <code>labels<em>n</em></code> attributes as necessary to
           cater for other numeric idiosyncrasies of the localisation.
           @property [compactLabels=['y','m','w','d']] {string[]} The compact texts for the counter periods.
           @property [whichLabels=null] {whichLabelsCallback} A function to determine which
           <code>labels<em>n</em></code> to use.
           @example whichLabels: function(num) {
  	return (num > 1 ? 0 : 1);
   }
           @property [digits=['0','1',...,'9']] {number[]} The digits to display (0-9).
           @property [timeSeparator=':'] {string} Separator for time periods in the compact layout.
           @property [isRTL=false] {boolean} True for right-to-left languages, false for left-to-right. */
          regionalOptions: { // Available regional settings, indexed by language/country code
              '': { // Default regional settings - English/US
                  labels: ['Years', 'Months', 'Weeks', 'Days', 'Hours', 'Minutes', 'Seconds'],
                  labels1: ['Year', 'Month', 'Week', 'Day', 'Hour', 'Minute', 'Second'],
                  compactLabels: ['y', 'm', 'w', 'd'],
                  whichLabels: null,
                  digits: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'],
                  timeSeparator: ':',
                  isRTL: false
              }
          },
  
          /** Names of getter methods - those that can't be chained. */
          _getters: ['getTimes'],
  
          /* Class name for the right-to-left marker. */
          _rtlClass: pluginName + '-rtl',
          /* Class name for the countdown section marker. */
          _sectionClass: pluginName + '-section',
          /* Class name for the period amount marker. */
          _amountClass: pluginName + '-amount',
          /* Class name for the period name marker. */
          _periodClass: pluginName + '-period',
          /* Class name for the countdown row marker. */
          _rowClass: pluginName + '-row',
          /* Class name for the holding countdown marker. */
          _holdingClass: pluginName + '-holding',
          /* Class name for the showing countdown marker. */
          _showClass: pluginName + '-show',
          /* Class name for the description marker. */
          _descrClass: pluginName + '-descr',
  
          /* List of currently active countdown elements. */
          _timerElems: [],
  
          /** Additional setup for the countdown.
           Apply default localisations.
           Create the timer. */
          _init: function () {
              var self = this;
              this._super();
              this._serverSyncs = [];
              var now = (typeof Date.now == 'function' ? Date.now :
                  function () {
                      return new Date().getTime();
                  });
              var perfAvail = (window.performance && typeof window.performance.now == 'function');
              // Shared timer for all countdowns
              function timerCallBack(timestamp) {
                  var drawStart = (timestamp < 1e12 ? // New HTML5 high resolution timer
                      (perfAvail ? (performance.now() + performance.timing.navigationStart) : now()) :
                      // Integer milliseconds since unix epoch
                  timestamp || now());
                  if (drawStart - animationStartTime >= 1000) {
                      self._updateElems();
                      animationStartTime = drawStart;
                  }
                  requestAnimationFrame(timerCallBack);
              }
  
              var requestAnimationFrame = window.requestAnimationFrame ||
                  window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame ||
                  window.oRequestAnimationFrame || window.msRequestAnimationFrame || null;
              // This is when we expect a fall-back to setInterval as it's much more fluid
              var animationStartTime = 0;
              if (!requestAnimationFrame || $.noRequestAnimationFrame) {
                  $.noRequestAnimationFrame = null;
                  setInterval(function () {
                      self._updateElems();
                  }, 980); // Fall back to good old setInterval
              }
              else {
                  animationStartTime = window.animationStartTime ||
                      window.webkitAnimationStartTime || window.mozAnimationStartTime ||
                      window.oAnimationStartTime || window.msAnimationStartTime || now();
                  requestAnimationFrame(timerCallBack);
              }
          },
  
          /** Convert a date/time to UTC.
           @param tz {number} The hour or minute offset from GMT, e.g. +9, -360.
           @param year {Date|number} the date/time in that timezone or the year in that timezone.
           @param [month] {number} The month (0 - 11) (omit if <code>year</code> is a <code>Date</code>).
           @param [day] {number} The day (omit if <code>year</code> is a <code>Date</code>).
           @param [hours] {number} The hour (omit if <code>year</code> is a <code>Date</code>).
           @param [mins] {number} The minute (omit if <code>year</code> is a <code>Date</code>).
           @param [secs] {number} The second (omit if <code>year</code> is a <code>Date</code>).
           @param [ms] {number} The millisecond (omit if <code>year</code> is a <code>Date</code>).
           @return {Date} The equivalent UTC date/time.
           @example $.countdown.UTCDate(+10, 2013, 12-1, 25, 12, 0)
           $.countdown.UTCDate(-7, new Date(2013, 12-1, 25, 12, 0)) */
          UTCDate: function (tz, year, month, day, hours, mins, secs, ms) {
              if (typeof year == 'object' && year.constructor == Date) {
                  ms = year.getMilliseconds();
                  secs = year.getSeconds();
                  mins = year.getMinutes();
                  hours = year.getHours();
                  day = year.getDate();
                  month = year.getMonth();
                  year = year.getFullYear();
              }
              var d = new Date();
              d.setUTCFullYear(year);
              d.setUTCDate(1);
              d.setUTCMonth(month || 0);
              d.setUTCDate(day || 1);
              d.setUTCHours(hours || 0);
              d.setUTCMinutes((mins || 0) - (Math.abs(tz) < 30 ? tz * 60 : tz));
              d.setUTCSeconds(secs || 0);
              d.setUTCMilliseconds(ms || 0);
              return d;
          },
  
          /** Convert a set of periods into seconds.
           Averaged for months and years.
           @param periods {number[]} The periods per year/month/week/day/hour/minute/second.
           @return {number} The corresponding number of seconds.
           @example var secs = $.countdown.periodsToSeconds(periods) */
          periodsToSeconds: function (periods) {
              return periods[0] * 31557600 + periods[1] * 2629800 + periods[2] * 604800 +
                  periods[3] * 86400 + periods[4] * 3600 + periods[5] * 60 + periods[6];
          },
  
          _instSettings: function (elem, options) {
              return {_periods: [0, 0, 0, 0, 0, 0, 0]};
          },
  
          /** Add an element to the list of active ones.
           @private
           @param elem {Element} The countdown element. */
          _addElem: function (elem) {
              if (!this._hasElem(elem)) {
                  this._timerElems.push(elem);
              }
          },
  
          /** See if an element is in the list of active ones.
           @private
           @param elem {Element} The countdown element.
           @return {boolean} True if present, false if not. */
          _hasElem: function (elem) {
              return ($.inArray(elem, this._timerElems) > -1);
          },
  
          /** Remove an element from the list of active ones.
           @private
           @param elem {Element} The countdown element. */
          _removeElem: function (elem) {
              this._timerElems = $.map(this._timerElems,
                  function (value) {
                      return (value == elem ? null : value);
                  }); // delete entry
          },
  
          /** Update each active timer element.
           @private */
          _updateElems: function () {
              for (var i = this._timerElems.length - 1; i >= 0; i--) {
                  this._updateCountdown(this._timerElems[i]);
              }
          },
  
          _optionsChanged: function (elem, inst, options) {
              if (options.layout) {
                  options.layout = options.layout.replace(/&lt;/g, '<').replace(/&gt;/g, '>');
              }
              this._resetExtraLabels(inst.options, options);
              var timezoneChanged = (inst.options.timezone != options.timezone);
              $.extend(inst.options, options);
              this._adjustSettings(elem, inst,
                  options.until != null || options.since != null || timezoneChanged);
              var now = new Date();
              if ((inst._since && inst._since < now) || (inst._until && inst._until > now)) {
                  this._addElem(elem[0]);
              }
              this._updateCountdown(elem, inst);
          },
  
          /** Redisplay the countdown with an updated display.
           @private
           @param elem {Element|jQuery} The containing division.
           @param inst {object} The current settings for this instance. */
          _updateCountdown: function (elem, inst) {
              elem = elem.jquery ? elem : $(elem);
              inst = inst || this._getInst(elem);
              if (!inst) {
                  return;
              }
              elem.html(this._generateHTML(inst)).toggleClass(this._rtlClass, inst.options.isRTL);
              if ($.isFunction(inst.options.onTick)) {
                  var periods = inst._hold != 'lap' ? inst._periods :
                      this._calculatePeriods(inst, inst._show, inst.options.significant, new Date());
                  if (inst.options.tickInterval == 1 ||
                      this.periodsToSeconds(periods) % inst.options.tickInterval == 0) {
                      inst.options.onTick.apply(elem[0], [periods]);
                  }
              }
              var expired = inst._hold != 'pause' &&
                  (inst._since ? inst._now.getTime() < inst._since.getTime() :
                  inst._now.getTime() >= inst._until.getTime());
              if (expired && !inst._expiring) {
                  inst._expiring = true;
                  if (this._hasElem(elem[0]) || inst.options.alwaysExpire) {
                      this._removeElem(elem[0]);
                      if ($.isFunction(inst.options.onExpiry)) {
                          inst.options.onExpiry.apply(elem[0], []);
                      }
                      if (inst.options.expiryText) {
                          var layout = inst.options.layout;
                          inst.options.layout = inst.options.expiryText;
                          this._updateCountdown(elem[0], inst);
                          inst.options.layout = layout;
                      }
                      if (inst.options.expiryUrl) {
                          window.location = inst.options.expiryUrl;
                      }
                  }
                  inst._expiring = false;
              }
              else if (inst._hold == 'pause') {
                  this._removeElem(elem[0]);
              }
          },
  
          /** Reset any extra labelsn and compactLabelsn entries if changing labels.
           @private
           @param base {object} The options to be updated.
           @param options {object} The new option values. */
          _resetExtraLabels: function (base, options) {
              for (var n in options) {
                  if (n.match(/[Ll]abels[02-9]|compactLabels1/)) {
                      base[n] = options[n];
                  }
              }
              for (var n in base) { // Remove custom numbered labels
                  if (n.match(/[Ll]abels[02-9]|compactLabels1/) && typeof options[n] === 'undefined') {
                      base[n] = null;
                  }
              }
          },
  
          /** Calculate internal settings for an instance.
           @private
           @param elem {jQuery} The containing division.
           @param inst {object} The current settings for this instance.
           @param recalc {boolean} True if until or since are set. */
          _adjustSettings: function (elem, inst, recalc) {
              var now;
              var serverOffset = 0;
              var serverEntry = null;
              for (var i = 0; i < this._serverSyncs.length; i++) {
                  if (this._serverSyncs[i][0] == inst.options.serverSync) {
                      serverEntry = this._serverSyncs[i][1];
                      break;
                  }
              }
              if (serverEntry != null) {
                  serverOffset = (inst.options.serverSync ? serverEntry : 0);
                  now = new Date();
              }
              else {
                  var serverResult = ($.isFunction(inst.options.serverSync) ?
                      inst.options.serverSync.apply(elem[0], []) : null);
                  now = new Date();
                  serverOffset = (serverResult ? now.getTime() - serverResult.getTime() : 0);
                  this._serverSyncs.push([inst.options.serverSync, serverOffset]);
              }
              var timezone = inst.options.timezone;
              timezone = (timezone == null ? -now.getTimezoneOffset() : timezone);
              if (recalc || (!recalc && inst._until == null && inst._since == null)) {
                  inst._since = inst.options.since;
                  if (inst._since != null) {
                      inst._since = this.UTCDate(timezone, this._determineTime(inst._since, null));
                      if (inst._since && serverOffset) {
                          inst._since.setMilliseconds(inst._since.getMilliseconds() + serverOffset);
                      }
                  }
                  inst._until = this.UTCDate(timezone, this._determineTime(inst.options.until, now));
                  if (serverOffset) {
                      inst._until.setMilliseconds(inst._until.getMilliseconds() + serverOffset);
                  }
              }
              inst._show = this._determineShow(inst);
          },
  
          /** Remove the countdown widget from a div.
           @param elem {jQuery} The containing division.
           @param inst {object} The current instance object. */
          _preDestroy: function (elem, inst) {
              this._removeElem(elem[0]);
              elem.empty();
          },
  
          /** Pause a countdown widget at the current time.
           Stop it running but remember and display the current time.
           @param elem {Element} The containing division.
           @example $(selector).countdown('pause') */
          pause: function (elem) {
              this._hold(elem, 'pause');
          },
  
          /** Pause a countdown widget at the current time.
           Stop the display but keep the countdown running.
           @param elem {Element} The containing division.
           @example $(selector).countdown('lap') */
          lap: function (elem) {
              this._hold(elem, 'lap');
          },
  
          /** Resume a paused countdown widget.
           @param elem {Element} The containing division.
           @example $(selector).countdown('resume') */
          resume: function (elem) {
              this._hold(elem, null);
          },
  
          /** Toggle a paused countdown widget.
           @param elem {Element} The containing division.
           @example $(selector).countdown('toggle') */
          toggle: function (elem) {
              var inst = $.data(elem, this.name) || {};
              this[!inst._hold ? 'pause' : 'resume'](elem);
          },
  
          /** Toggle a lapped countdown widget.
           @param elem {Element} The containing division.
           @example $(selector).countdown('toggleLap') */
          toggleLap: function (elem) {
              var inst = $.data(elem, this.name) || {};
              this[!inst._hold ? 'lap' : 'resume'](elem);
          },
  
          /** Pause or resume a countdown widget.
           @private
           @param elem {Element} The containing division.
           @param hold {string} The new hold setting. */
          _hold: function (elem, hold) {
              var inst = $.data(elem, this.name);
              if (inst) {
                  if (inst._hold == 'pause' && !hold) {
                      inst._periods = inst._savePeriods;
                      var sign = (inst._since ? '-' : '+');
                      inst[inst._since ? '_since' : '_until'] =
                          this._determineTime(sign + inst._periods[0] + 'y' +
                              sign + inst._periods[1] + 'o' + sign + inst._periods[2] + 'w' +
                              sign + inst._periods[3] + 'd' + sign + inst._periods[4] + 'h' +
                              sign + inst._periods[5] + 'm' + sign + inst._periods[6] + 's');
                      this._addElem(elem);
                  }
                  inst._hold = hold;
                  inst._savePeriods = (hold == 'pause' ? inst._periods : null);
                  $.data(elem, this.name, inst);
                  this._updateCountdown(elem, inst);
              }
          },
  
          /** Return the current time periods.
           @param elem {Element} The containing division.
           @return {number[]} The current periods for the countdown.
           @example var periods = $(selector).countdown('getTimes') */
          getTimes: function (elem) {
              var inst = $.data(elem, this.name);
              return (!inst ? null : (inst._hold == 'pause' ? inst._savePeriods : (!inst._hold ? inst._periods :
                  this._calculatePeriods(inst, inst._show, inst.options.significant, new Date()))));
          },
  
          /** A time may be specified as an exact value or a relative one.
           @private
           @param setting {string|number|Date} The date/time value as a relative or absolute value.
           @param defaultTime {Date} The date/time to use if no other is supplied.
           @return {Date} The corresponding date/time. */
          _determineTime: function (setting, defaultTime) {
              var self = this;
              var offsetNumeric = function (offset) { // e.g. +300, -2
                  var time = new Date();
                  time.setTime(time.getTime() + offset * 1000);
                  return time;
              };
              var offsetString = function (offset) { // e.g. '+2d', '-4w', '+3h +30m'
                  offset = offset.toLowerCase();
                  var time = new Date();
                  var year = time.getFullYear();
                  var month = time.getMonth();
                  var day = time.getDate();
                  var hour = time.getHours();
                  var minute = time.getMinutes();
                  var second = time.getSeconds();
                  var pattern = /([+-]?[0-9]+)\s*(s|m|h|d|w|o|y)?/g;
                  var matches = pattern.exec(offset);
                  while (matches) {
                      switch (matches[2] || 's') {
                          case 's':
                              second += parseInt(matches[1], 10);
                              break;
                          case 'm':
                              minute += parseInt(matches[1], 10);
                              break;
                          case 'h':
                              hour += parseInt(matches[1], 10);
                              break;
                          case 'd':
                              day += parseInt(matches[1], 10);
                              break;
                          case 'w':
                              day += parseInt(matches[1], 10) * 7;
                              break;
                          case 'o':
                              month += parseInt(matches[1], 10);
                              day = Math.min(day, self._getDaysInMonth(year, month));
                              break;
                          case 'y':
                              year += parseInt(matches[1], 10);
                              day = Math.min(day, self._getDaysInMonth(year, month));
                              break;
                      }
                      matches = pattern.exec(offset);
                  }
                  return new Date(year, month, day, hour, minute, second, 0);
              };
              var time = (setting == null ? defaultTime :
                  (typeof setting == 'string' ? offsetString(setting) :
                      (typeof setting == 'number' ? offsetNumeric(setting) : setting)));
              if (time) time.setMilliseconds(0);
              return time;
          },
  
          /** Determine the number of days in a month.
           @private
           @param year {number} The year.
           @param month {number} The month.
           @return {number} The days in that month. */
          _getDaysInMonth: function (year, month) {
              return 32 - new Date(year, month, 32).getDate();
          },
  
          /** Default implementation to determine which set of labels should be used for an amount.
           Use the <code>labels</code> attribute with the same numeric suffix (if it exists).
           @private
           @param num {number} The amount to be displayed.
           @return {number} The set of labels to be used for this amount. */
          _normalLabels: function (num) {
              return num;
          },
  
          /** Generate the HTML to display the countdown widget.
           @private
           @param inst {object} The current settings for this instance.
           @return {string} The new HTML for the countdown display. */
          _generateHTML: function (inst) {
              var self = this;
              // Determine what to show
              inst._periods = (inst._hold ? inst._periods :
                  this._calculatePeriods(inst, inst._show, inst.options.significant, new Date()));
              // Show all 'asNeeded' after first non-zero value
              var shownNonZero = false;
              var showCount = 0;
              var sigCount = inst.options.significant;
              var show = $.extend({}, inst._show);
              for (var period = Y; period <= S; period++) {
                  shownNonZero |= (inst._show[period] == '?' && inst._periods[period] > 0);
                  show[period] = (inst._show[period] == '?' && !shownNonZero ? null : inst._show[period]);
                  showCount += (show[period] ? 1 : 0);
                  sigCount -= (inst._periods[period] > 0 ? 1 : 0);
              }
              var showSignificant = [false, false, false, false, false, false, false];
              for (var period = S; period >= Y; period--) { // Determine significant periods
                  if (inst._show[period]) {
                      if (inst._periods[period]) {
                          showSignificant[period] = true;
                      }
                      else {
                          showSignificant[period] = sigCount > 0;
                          sigCount--;
                      }
                  }
              }
              var labels = (inst.options.compact ? inst.options.compactLabels : inst.options.labels);
              var whichLabels = inst.options.whichLabels || this._normalLabels;
              var showCompact = function (period) {
                  var labelsNum = inst.options['compactLabels' + whichLabels(inst._periods[period])];
                  return (show[period] ? self._translateDigits(inst, inst._periods[period]) +
                  (labelsNum ? labelsNum[period] : labels[period]) + ' ' : '');
              };
              var minDigits = (inst.options.padZeroes ? 2 : 1);
              var showFull = function (period) {
                  var labelsNum = inst.options['labels' + whichLabels(inst._periods[period])];
                  return ((!inst.options.significant && show[period]) ||
                  (inst.options.significant && showSignificant[period]) ?
                  '<span class="' + self._sectionClass + '">' +
                  '<span class="' + self._amountClass + '">' +
                  self._minDigits(inst, inst._periods[period], minDigits) + '</span>' +
                  '<span class="' + self._periodClass + '">' +
                  (labelsNum ? labelsNum[period] : labels[period]) + '</span></span>' : '');
              };
              return (inst.options.layout ? this._buildLayout(inst, show, inst.options.layout,
                  inst.options.compact, inst.options.significant, showSignificant) :
                  ((inst.options.compact ? // Compact version
                  '<span class="' + this._rowClass + ' ' + this._amountClass +
                  (inst._hold ? ' ' + this._holdingClass : '') + '">' +
                  showCompact(Y) + showCompact(O) + showCompact(W) + showCompact(D) +
                  (show[H] ? this._minDigits(inst, inst._periods[H], 2) : '') +
                  (show[M] ? (show[H] ? inst.options.timeSeparator : '') +
                  this._minDigits(inst, inst._periods[M], 2) : '') +
                  (show[S] ? (show[H] || show[M] ? inst.options.timeSeparator : '') +
                  this._minDigits(inst, inst._periods[S], 2) : '') :
                      // Full version
                  '<span class="' + this._rowClass + ' ' + this._showClass + (inst.options.significant || showCount) +
                  (inst._hold ? ' ' + this._holdingClass : '') + '">' +
                  showFull(Y) + showFull(O) + showFull(W) + showFull(D) +
                  showFull(H) + showFull(M) + showFull(S)) + '</span>' +
                  (inst.options.description ? '<span class="' + this._rowClass + ' ' + this._descrClass + '">' +
                  inst.options.description + '</span>' : '')));
          },
  
          /** Construct a custom layout.
           @private
           @param inst {object} The current settings for this instance.
           @param show {boolean[]} Flags indicating which periods are requested.
           @param layout {string} The customised layout.
           @param compact {boolean} True if using compact labels.
           @param significant {number} The number of periods with values to show, zero for all.
           @param showSignificant {boolean[]} Other periods to show for significance.
           @return {string} The custom HTML. */
          _buildLayout: function (inst, show, layout, compact, significant, showSignificant) {
              var labels = inst.options[compact ? 'compactLabels' : 'labels'];
              var whichLabels = inst.options.whichLabels || this._normalLabels;
              var labelFor = function (index) {
                  return (inst.options[(compact ? 'compactLabels' : 'labels') +
                  whichLabels(inst._periods[index])] || labels)[index];
              };
              var digit = function (value, position) {
                  return inst.options.digits[Math.floor(value / position) % 10];
              };
              var subs = {
                  desc: inst.options.description, sep: inst.options.timeSeparator,
                  yl: labelFor(Y), yn: this._minDigits(inst, inst._periods[Y], 1),
                  ynn: this._minDigits(inst, inst._periods[Y], 2),
                  ynnn: this._minDigits(inst, inst._periods[Y], 3), y1: digit(inst._periods[Y], 1),
                  y10: digit(inst._periods[Y], 10), y100: digit(inst._periods[Y], 100),
                  y1000: digit(inst._periods[Y], 1000),
                  ol: labelFor(O), on: this._minDigits(inst, inst._periods[O], 1),
                  onn: this._minDigits(inst, inst._periods[O], 2),
                  onnn: this._minDigits(inst, inst._periods[O], 3), o1: digit(inst._periods[O], 1),
                  o10: digit(inst._periods[O], 10), o100: digit(inst._periods[O], 100),
                  o1000: digit(inst._periods[O], 1000),
                  wl: labelFor(W), wn: this._minDigits(inst, inst._periods[W], 1),
                  wnn: this._minDigits(inst, inst._periods[W], 2),
                  wnnn: this._minDigits(inst, inst._periods[W], 3), w1: digit(inst._periods[W], 1),
                  w10: digit(inst._periods[W], 10), w100: digit(inst._periods[W], 100),
                  w1000: digit(inst._periods[W], 1000),
                  dl: labelFor(D), dn: this._minDigits(inst, inst._periods[D], 1),
                  dnn: this._minDigits(inst, inst._periods[D], 2),
                  dnnn: this._minDigits(inst, inst._periods[D], 3), d1: digit(inst._periods[D], 1),
                  d10: digit(inst._periods[D], 10), d100: digit(inst._periods[D], 100),
                  d1000: digit(inst._periods[D], 1000),
                  hl: labelFor(H), hn: this._minDigits(inst, inst._periods[H], 1),
                  hnn: this._minDigits(inst, inst._periods[H], 2),
                  hnnn: this._minDigits(inst, inst._periods[H], 3), h1: digit(inst._periods[H], 1),
                  h10: digit(inst._periods[H], 10), h100: digit(inst._periods[H], 100),
                  h1000: digit(inst._periods[H], 1000),
                  ml: labelFor(M), mn: this._minDigits(inst, inst._periods[M], 1),
                  mnn: this._minDigits(inst, inst._periods[M], 2),
                  mnnn: this._minDigits(inst, inst._periods[M], 3), m1: digit(inst._periods[M], 1),
                  m10: digit(inst._periods[M], 10), m100: digit(inst._periods[M], 100),
                  m1000: digit(inst._periods[M], 1000),
                  sl: labelFor(S), sn: this._minDigits(inst, inst._periods[S], 1),
                  snn: this._minDigits(inst, inst._periods[S], 2),
                  snnn: this._minDigits(inst, inst._periods[S], 3), s1: digit(inst._periods[S], 1),
                  s10: digit(inst._periods[S], 10), s100: digit(inst._periods[S], 100),
                  s1000: digit(inst._periods[S], 1000)
              };
              var html = layout;
              // Replace period containers: {p<}...{p>}
              for (var i = Y; i <= S; i++) {
                  var period = 'yowdhms'.charAt(i);
                  var re = new RegExp('\\{' + period + '<\\}([\\s\\S]*)\\{' + period + '>\\}', 'g');
                  html = html.replace(re, ((!significant && show[i]) ||
                  (significant && showSignificant[i]) ? '$1' : ''));
              }
              // Replace period values: {pn}
              $.each(subs, function (n, v) {
                  var re = new RegExp('\\{' + n + '\\}', 'g');
                  html = html.replace(re, v);
              });
              return html;
          },
  
          /** Ensure a numeric value has at least n digits for display.
           @private
           @param inst {object} The current settings for this instance.
           @param value {number} The value to display.
           @param len {number} The minimum length.
           @return {string} The display text. */
          _minDigits: function (inst, value, len) {
              value = '' + value;
              if (value.length >= len) {
                  return this._translateDigits(inst, value);
              }
              value = '0000000000' + value;
              return this._translateDigits(inst, value.substr(value.length - len));
          },
  
          /** Translate digits into other representations.
           @private
           @param inst {object} The current settings for this instance.
           @param value {string} The text to translate.
           @return {string} The translated text. */
          _translateDigits: function (inst, value) {
              return ('' + value).replace(/[0-9]/g, function (digit) {
                  return inst.options.digits[digit];
              });
          },
  
          /** Translate the format into flags for each period.
           @private
           @param inst {object} The current settings for this instance.
           @return {string[]} Flags indicating which periods are requested (?) or
           required (!) by year, month, week, day, hour, minute, second. */
          _determineShow: function (inst) {
              var format = inst.options.format;
              var show = [];
              show[Y] = (format.match('y') ? '?' : (format.match('Y') ? '!' : null));
              show[O] = (format.match('o') ? '?' : (format.match('O') ? '!' : null));
              show[W] = (format.match('w') ? '?' : (format.match('W') ? '!' : null));
              show[D] = (format.match('d') ? '?' : (format.match('D') ? '!' : null));
              show[H] = (format.match('h') ? '?' : (format.match('H') ? '!' : null));
              show[M] = (format.match('m') ? '?' : (format.match('M') ? '!' : null));
              show[S] = (format.match('s') ? '?' : (format.match('S') ? '!' : null));
              return show;
          },
  
          /** Calculate the requested periods between now and the target time.
           @private
           @param inst {object} The current settings for this instance.
           @param show {string[]} Flags indicating which periods are requested/required.
           @param significant {number} The number of periods with values to show, zero for all.
           @param now {Date} The current date and time.
           @return {number[]} The current time periods (always positive)
           by year, month, week, day, hour, minute, second. */
          _calculatePeriods: function (inst, show, significant, now) {
              // Find endpoints
              inst._now = now;
              inst._now.setMilliseconds(0);
              var until = new Date(inst._now.getTime());
              if (inst._since) {
                  if (now.getTime() < inst._since.getTime()) {
                      inst._now = now = until;
                  }
                  else {
                      now = inst._since;
                  }
              }
              else {
                  until.setTime(inst._until.getTime());
                  if (now.getTime() > inst._until.getTime()) {
                      inst._now = now = until;
                  }
              }
              // Calculate differences by period
              var periods = [0, 0, 0, 0, 0, 0, 0];
              if (show[Y] || show[O]) {
                  // Treat end of months as the same
                  var lastNow = this._getDaysInMonth(now.getFullYear(), now.getMonth());
                  var lastUntil = this._getDaysInMonth(until.getFullYear(), until.getMonth());
                  var sameDay = (until.getDate() == now.getDate() ||
                  (until.getDate() >= Math.min(lastNow, lastUntil) &&
                  now.getDate() >= Math.min(lastNow, lastUntil)));
                  var getSecs = function (date) {
                      return (date.getHours() * 60 + date.getMinutes()) * 60 + date.getSeconds();
                  };
                  var months = Math.max(0,
                      (until.getFullYear() - now.getFullYear()) * 12 + until.getMonth() - now.getMonth() +
                      ((until.getDate() < now.getDate() && !sameDay) ||
                      (sameDay && getSecs(until) < getSecs(now)) ? -1 : 0));
                  periods[Y] = (show[Y] ? Math.floor(months / 12) : 0);
                  periods[O] = (show[O] ? months - periods[Y] * 12 : 0);
                  // Adjust for months difference and end of month if necessary
                  now = new Date(now.getTime());
                  var wasLastDay = (now.getDate() == lastNow);
                  var lastDay = this._getDaysInMonth(now.getFullYear() + periods[Y],
                      now.getMonth() + periods[O]);
                  if (now.getDate() > lastDay) {
                      now.setDate(lastDay);
                  }
                  now.setFullYear(now.getFullYear() + periods[Y]);
                  now.setMonth(now.getMonth() + periods[O]);
                  if (wasLastDay) {
                      now.setDate(lastDay);
                  }
              }
              var diff = Math.floor((until.getTime() - now.getTime()) / 1000);
              var extractPeriod = function (period, numSecs) {
                  periods[period] = (show[period] ? Math.floor(diff / numSecs) : 0);
                  diff -= periods[period] * numSecs;
              };
              extractPeriod(W, 604800);
              extractPeriod(D, 86400);
              extractPeriod(H, 3600);
              extractPeriod(M, 60);
              extractPeriod(S, 1);
              if (diff > 0 && !inst._since) { // Round up if left overs
                  var multiplier = [1, 12, 4.3482, 7, 24, 60, 60];
                  var lastShown = S;
                  var max = 1;
                  for (var period = S; period >= Y; period--) {
                      if (show[period]) {
                          if (periods[lastShown] >= max) {
                              periods[lastShown] = 0;
                              diff = 1;
                          }
                          if (diff > 0) {
                              periods[period]++;
                              diff = 0;
                              lastShown = period;
                              max = 1;
                          }
                      }
                      max *= multiplier[period];
                  }
              }
              if (significant) { // Zero out insignificant periods
                  for (var period = Y; period <= S; period++) {
                      if (significant && periods[period]) {
                          significant--;
                      }
                      else if (!significant) {
                          periods[period] = 0;
                      }
                  }
              }
              return periods;
          }
      });
  
  })(jQuery);
  