text: /* http://keith-wood.name/countdown.html
     Countdown for jQuery v1.5.4.
     Written by Keith Wood (kbwood{at}iinet.com.au) January 2008.
     Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
     MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
     Please attribute the author if you use it. */
  
  /* Display a countdown timer.
     Attach it with options like:
     $('div selector').countdown(
         {until: new Date(2009, 1 - 1, 1, 0, 0, 0), onExpiry: happyNewYear}); */
  
  (function($) { // Hide scope, no $ conflict
  
  /* Countdown manager. */
  function Countdown() {
  	this.regional = []; // Available regional settings, indexed by language code
  	this.regional[''] = { // Default regional settings
  		// The display texts for the counters
  		labels: ['Years', 'Months', 'Weeks', 'Days', 'Hours', 'Minutes', 'Seconds'],
  		// The display texts for the counters if only one
  		labels1: ['Year', 'Month', 'Week', 'Day', 'Hour', 'Minute', 'Second'],
  		compactLabels: ['y', 'm', 'w', 'd'], // The compact texts for the counters
  		timeSeparator: ':', // Separator for time periods
  		isRTL: false // True for right-to-left languages, false for left-to-right
  	};
  	this._defaults = {
  		until: null, // new Date(year, mth - 1, day, hr, min, sec) - date/time to count down to
  			// or numeric for seconds offset, or string for unit offset(s):
  			// 'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds
  		since: null, // new Date(year, mth - 1, day, hr, min, sec) - date/time to count up from
  			// or numeric for seconds offset, or string for unit offset(s):
  			// 'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds
  		timezone: null, // The timezone (hours or minutes from GMT) for the target times,
  			// or null for client local
  		serverSync: null, // A function to retrieve the current server time for synchronisation
  		format: 'dHMS', // 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
  		layout: '', // Build your own layout for the countdown
  		compact: false, // True to display in a compact format, false for an expanded one
  		description: '', // The description displayed for the countdown
  		expiryUrl: '', // A URL to load upon expiry, replacing the current page
  		expiryText: '', // Text to display upon expiry, replacing the countdown
  		alwaysExpire: false, // True to trigger onExpiry even if never counted down
  		onExpiry: null, // Callback when the countdown expires -
  			// receives no parameters and 'this' is the containing division
  		onTick: null // Callback when the countdown is updated -
  			// receives int[7] being the breakdown by period (based on format)
  			// and 'this' is the containing division
  	};
  	$.extend(this._defaults, this.regional['']);
  }
  
  var PROP_NAME = '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
  
  $.extend(Countdown.prototype, {
  	/* Class name added to elements to indicate already configured with countdown. */
  	markerClassName: 'hasCountdown',
  	
  	/* Shared timer for all countdowns. */
  	_timer: setInterval(function() { $.countdown._updateTargets(); }, 980),
  	/* List of currently active countdown targets. */
  	_timerTargets: [],
  	
  	/* Override the default settings for all instances of the countdown widget.
  	   @param  options  (object) the new settings to use as defaults */
  	setDefaults: function(options) {
  		this._resetExtraLabels(this._defaults, options);
  		extendRemove(this._defaults, options || {});
  	},
  
  	/* Convert a date/time to UTC.
  	   @param  tz     (number) the hour or minute offset from GMT, e.g. +9, -360
  	   @param  year   (Date) the date/time in that timezone or
  	                  (number) the year in that timezone
  	   @param  month  (number, optional) the month (0 - 11) (omit if year is a Date)
  	   @param  day    (number, optional) the day (omit if year is a Date)
  	   @param  hours  (number, optional) the hour (omit if year is a Date)
  	   @param  mins   (number, optional) the minute (omit if year is a Date)
  	   @param  secs   (number, optional) the second (omit if year is a Date)
  	   @param  ms     (number, optional) the millisecond (omit if year is a Date)
  	   @return  (Date) the equivalent UTC date/time */
  	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;
  	},
  
  	/* Attach the countdown widget to a div.
  	   @param  target   (element) the containing division
  	   @param  options  (object) the initial settings for the countdown */
  	_attachCountdown: function(target, options) {
  		var $target = $(target);
  		if ($target.hasClass(this.markerClassName)) {
  			return;
  		}
  		$target.addClass(this.markerClassName);
  		var inst = {options: $.extend({}, options),
  			_periods: [0, 0, 0, 0, 0, 0, 0]};
  		$.data(target, PROP_NAME, inst);
  		this._changeCountdown(target);
  	},
  
  	/* Add a target to the list of active ones.
  	   @param  target  (element) the countdown target */
  	_addTarget: function(target) {
  		if (!this._hasTarget(target)) {
  			this._timerTargets.push(target);
  		}
  	},
  
  	/* See if a target is in the list of active ones.
  	   @param  target  (element) the countdown target
  	   @return  (boolean) true if present, false if not */
  	_hasTarget: function(target) {
  		return ($.inArray(target, this._timerTargets) > -1);
  	},
  
  	/* Remove a target from the list of active ones.
  	   @param  target  (element) the countdown target */
  	_removeTarget: function(target) {
  		this._timerTargets = $.map(this._timerTargets,
  			function(value) { return (value == target ? null : value); }); // delete entry
  	},
  
  	/* Update each active timer target. */
  	_updateTargets: function() {
  		for (var i = 0; i < this._timerTargets.length; i++) {
  			this._updateCountdown(this._timerTargets[i]);
  		}
  	},
  
  	/* Redisplay the countdown with an updated display.
  	   @param  target  (jQuery) the containing division
  	   @param  inst    (object) the current settings for this instance */
  	_updateCountdown: function(target, inst) {
  		var $target = $(target);
  		inst = inst || $.data(target, PROP_NAME);
  		if (!inst) {
  			return;
  		}
  		$target.html(this._generateHTML(inst));
  		$target[(this._get(inst, 'isRTL') ? 'add' : 'remove') + 'Class']('countdown_rtl');
  		var onTick = this._get(inst, 'onTick');
  		if (onTick) {
  			onTick.apply(target, [inst._hold != 'lap' ? inst._periods :
  				this._calculatePeriods(inst, inst._show, new Date())]);
  		}
  		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._hasTarget(target) || this._get(inst, 'alwaysExpire')) {
  				this._removeTarget(target);
  				var onExpiry = this._get(inst, 'onExpiry');
  				if (onExpiry) {
  					onExpiry.apply(target, []);
  				}
  				var expiryText = this._get(inst, 'expiryText');
  				if (expiryText) {
  					var layout = this._get(inst, 'layout');
  					inst.options.layout = expiryText;
  					this._updateCountdown(target, inst);
  					inst.options.layout = layout;
  				}
  				var expiryUrl = this._get(inst, 'expiryUrl');
  				if (expiryUrl) {
  					window.location = expiryUrl;
  				}
  			}
  			inst._expiring = false;
  		}
  		else if (inst._hold == 'pause') {
  			this._removeTarget(target);
  		}
  		$.data(target, PROP_NAME, inst);
  	},
  
  	/* Reconfigure the settings for a countdown div.
  	   @param  target   (element) the containing division
  	   @param  options  (object) the new settings for the countdown or
  	                    (string) an individual property name
  	   @param  value    (any) the individual property value
  	                    (omit if options is an object) */
  	_changeCountdown: function(target, options, value) {
  		options = options || {};
  		if (typeof options == 'string') {
  			var name = options;
  			options = {};
  			options[name] = value;
  		}
  		var inst = $.data(target, PROP_NAME);
  		if (inst) {
  			this._resetExtraLabels(inst.options, options);
  			extendRemove(inst.options, options);
  			this._adjustSettings(target, inst);
  			$.data(target, PROP_NAME, inst);
  			var now = new Date();
  			if ((inst._since && inst._since < now) ||
  					(inst._until && inst._until > now)) {
  				this._addTarget(target);
  			}
  			this._updateCountdown(target, inst);
  		}
  	},
  
  	/* Reset any extra labelsn and compactLabelsn entries if changing labels.
  	   @param  base     (object) the options to be updated
  	   @param  options  (object) the new option values */
  	_resetExtraLabels: function(base, options) {
  		var changingLabels = false;
  		for (var n in options) {
  			if (n.match(/[Ll]abels/)) {
  				changingLabels = true;
  				break;
  			}
  		}
  		if (changingLabels) {
  			for (var n in base) { // Remove custom numbered labels
  				if (n.match(/[Ll]abels[0-9]/)) {
  					base[n] = null;
  				}
  			}
  		}
  	},
  	
  	/* Calculate interal settings for an instance.
  	   @param  target  (element) the containing division
  	   @param  inst    (object) the current settings for this instance */
  	_adjustSettings: function(target, inst) {
  		var serverSync = this._get(inst, 'serverSync');
  		serverSync = (serverSync ? serverSync.apply(target, []) : null);
  		var now = new Date();
  		var timezone = this._get(inst, 'timezone');
  		timezone = (timezone == null ? -now.getTimezoneOffset() : timezone);
  		inst._since = this._get(inst, 'since');
  		if (inst._since) {
  			inst._since = this.UTCDate(timezone, this._determineTime(inst._since, null));
  			if (inst._since && serverSync) {
  				inst._since.setMilliseconds(inst._since.getMilliseconds() +
  					now.getTime() - serverSync.getTime());
  			}
  		}
  		inst._until = this.UTCDate(timezone, this._determineTime(this._get(inst, 'until'), now));
  		if (serverSync) {
  			inst._until.setMilliseconds(inst._until.getMilliseconds() +
  				now.getTime() - serverSync.getTime());
  		}
  		inst._show = this._determineShow(inst);
  	},
  
  	/* Remove the countdown widget from a div.
  	   @param  target  (element) the containing division */
  	_destroyCountdown: function(target) {
  		var $target = $(target);
  		if (!$target.hasClass(this.markerClassName)) {
  			return;
  		}
  		this._removeTarget(target);
  		$target.removeClass(this.markerClassName).empty();
  		$.removeData(target, PROP_NAME);
  	},
  
  	/* Pause a countdown widget at the current time.
  	   Stop it running but remember and display the current time.
  	   @param  target  (element) the containing division */
  	_pauseCountdown: function(target) {
  		this._hold(target, 'pause');
  	},
  
  	/* Pause a countdown widget at the current time.
  	   Stop the display but keep the countdown running.
  	   @param  target  (element) the containing division */
  	_lapCountdown: function(target) {
  		this._hold(target, 'lap');
  	},
  
  	/* Resume a paused countdown widget.
  	   @param  target  (element) the containing division */
  	_resumeCountdown: function(target) {
  		this._hold(target, null);
  	},
  
  	/* Pause or resume a countdown widget.
  	   @param  target  (element) the containing division
  	   @param  hold    (string) the new hold setting */
  	_hold: function(target, hold) {
  		var inst = $.data(target, PROP_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._addTarget(target);
  			}
  			inst._hold = hold;
  			inst._savePeriods = (hold == 'pause' ? inst._periods : null);
  			$.data(target, PROP_NAME, inst);
  			this._updateCountdown(target, inst);
  		}
  	},
  
  	/* Return the current time periods.
  	   @param  target  (element) the containing division
  	   @return  (number[7]) the current periods for the countdown */
  	_getTimesCountdown: function(target) {
  		var inst = $.data(target, PROP_NAME);
  		return (!inst ? null : (!inst._hold ? inst._periods :
  			this._calculatePeriods(inst, inst._show, new Date())));
  	},
  
  	/* Get a setting value, defaulting if necessary.
  	   @param  inst  (object) the current settings for this instance
  	   @param  name  (string) the name of the required setting
  	   @return  (any) the setting's value or a default if not overridden */
  	_get: function(inst, name) {
  		return (inst.options[name] != null ?
  			inst.options[name] : $.countdown._defaults[name]);
  	},
  
  	/* A time may be specified as an exact value or a relative one.
  	   @param  setting      (string or number or 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 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, $.countdown._getDaysInMonth(year, month));
  						break;
  					case 'y':
  						year += parseInt(matches[1], 10);
  						day = Math.min(day, $.countdown._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.
  	   @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();
  	},
  
  	/* Generate the HTML to display the countdown widget.
  	   @param  inst  (object) the current settings for this instance
  	   @return  (string) the new HTML for the countdown display */
  	_generateHTML: function(inst) {
  		// Determine what to show
  		inst._periods = periods = (inst._hold ? inst._periods :
  			this._calculatePeriods(inst, inst._show, new Date()));
  		// Show all 'asNeeded' after first non-zero value
  		var shownNonZero = false;
  		var showCount = 0;
  		for (var period = 0; period < inst._show.length; period++) {
  			shownNonZero |= (inst._show[period] == '?' && periods[period] > 0);
  			inst._show[period] = (inst._show[period] == '?' && !shownNonZero ? null : inst._show[period]);
  			showCount += (inst._show[period] ? 1 : 0);
  		}
  		var compact = this._get(inst, 'compact');
  		var layout = this._get(inst, 'layout');
  		var labels = (compact ? this._get(inst, 'compactLabels') : this._get(inst, 'labels'));
  		var timeSeparator = this._get(inst, 'timeSeparator');
  		var description = this._get(inst, 'description') || '';
  		var showCompact = function(period) {
  			var labelsNum = $.countdown._get(inst, 'compactLabels' + periods[period]);
  			return (inst._show[period] ? periods[period] +
  				(labelsNum ? labelsNum[period] : labels[period]) + ' ' : '');
  		};
  		var showFull = function(period) {
  			var labelsNum = $.countdown._get(inst, 'labels' + periods[period]);
  			return (inst._show[period] ?
  				'<span class="countdown_section"><span class="countdown_amount">' +
  				periods[period] + '</span><br/>' +
  				(labelsNum ? labelsNum[period] : labels[period]) + '</span>' : '');
  		};
  		return (layout ? this._buildLayout(inst, layout, compact) :
  			((compact ? // Compact version
  			'<span class="countdown_row countdown_amount' +
  			(inst._hold ? ' countdown_holding' : '') + '">' + 
  			showCompact(Y) + showCompact(O) + showCompact(W) + showCompact(D) + 
  			(inst._show[H] ? this._minDigits(periods[H], 2) : '') +
  			(inst._show[M] ? (inst._show[H] ? timeSeparator : '') +
  			this._minDigits(periods[M], 2) : '') +
  			(inst._show[S] ? (inst._show[H] || inst._show[M] ? timeSeparator : '') +
  			this._minDigits(periods[S], 2) : '') :
  			// Full version
  			'<span class="countdown_row countdown_show' + showCount +
  			(inst._hold ? ' countdown_holding' : '') + '">' +
  			showFull(Y) + showFull(O) + showFull(W) + showFull(D) +
  			showFull(H) + showFull(M) + showFull(S)) + '</span>' +
  			(description ? '<span class="countdown_row countdown_descr">' + description + '</span>' : '')));
  	},
  
  	/* Construct a custom layout.
  	   @param  inst     (object) the current settings for this instance
  	   @param  layout   (string) the customised layout
  	   @param  compact  (boolean) true if using compact labels
  	   @return  (string) the custom HTML */
  	_buildLayout: function(inst, layout, compact) {
  		var labels = this._get(inst, (compact ? 'compactLabels' : 'labels'));
  		var labelFor = function(index) {
  			return ($.countdown._get(inst,
  				(compact ? 'compactLabels' : 'labels') + inst._periods[index]) ||
  				labels)[index];
  		};
  		var digit = function(value, position) {
  			return Math.floor(value / position) % 10;
  		};
  		var subs = {desc: this._get(inst, 'description'), sep: this._get(inst, 'timeSeparator'),
  			yl: labelFor(Y), yn: inst._periods[Y], ynn: this._minDigits(inst._periods[Y], 2),
  			ynnn: this._minDigits(inst._periods[Y], 3), y1: digit(inst._periods[Y], 1),
  			y10: digit(inst._periods[Y], 10), y100: digit(inst._periods[Y], 100),
  			ol: labelFor(O), on: inst._periods[O], onn: this._minDigits(inst._periods[O], 2),
  			onnn: this._minDigits(inst._periods[O], 3), o1: digit(inst._periods[O], 1),
  			o10: digit(inst._periods[O], 10), o100: digit(inst._periods[O], 100),
  			wl: labelFor(W), wn: inst._periods[W], wnn: this._minDigits(inst._periods[W], 2),
  			wnnn: this._minDigits(inst._periods[W], 3), w1: digit(inst._periods[W], 1),
  			w10: digit(inst._periods[W], 10), w100: digit(inst._periods[W], 100),
  			dl: labelFor(D), dn: inst._periods[D], dnn: this._minDigits(inst._periods[D], 2),
  			dnnn: this._minDigits(inst._periods[D], 3), d1: digit(inst._periods[D], 1),
  			d10: digit(inst._periods[D], 10), d100: digit(inst._periods[D], 100),
  			hl: labelFor(H), hn: inst._periods[H], hnn: this._minDigits(inst._periods[H], 2),
  			hnnn: this._minDigits(inst._periods[H], 3), h1: digit(inst._periods[H], 1),
  			h10: digit(inst._periods[H], 10), h100: digit(inst._periods[H], 100),
  			ml: labelFor(M), mn: inst._periods[M], mnn: this._minDigits(inst._periods[M], 2),
  			mnnn: this._minDigits(inst._periods[M], 3), m1: digit(inst._periods[M], 1),
  			m10: digit(inst._periods[M], 10), m100: digit(inst._periods[M], 100),
  			sl: labelFor(S), sn: inst._periods[S], snn: this._minDigits(inst._periods[S], 2),
  			snnn: this._minDigits(inst._periods[S], 3), s1: digit(inst._periods[S], 1),
  			s10: digit(inst._periods[S], 10), s100: digit(inst._periods[S], 100)};
  		var html = layout;
  		// Replace period containers: {p<}...{p>}
  		for (var i = 0; i < 7; i++) {
  			var period = 'yowdhms'.charAt(i);
  			var re = new RegExp('\\{' + period + '<\\}(.*)\\{' + period + '>\\}', 'g');
  			html = html.replace(re, (inst._show[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.
  	   @param  value  (number) the value to display
  	   @param  len    (number) the minimum length
  	   @return  (string) the display text */
  	_minDigits: function(value, len) {
  		value = '0000000000' + value;
  		return value.substr(value.length - len);
  	},
  
  	/* Translate the format into flags for each period.
  	   @param  inst  (object) the current settings for this instance
  	   @return  (string[7]) flags indicating which periods are requested (?) or
  	            required (!) by year, month, week, day, hour, minute, second */
  	_determineShow: function(inst) {
  		var format = this._get(inst, '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.
  	   @param  inst  (object) the current settings for this instance
  	   @param  show  (string[7]) flags indicating which periods are requested/required
  	   @param  now   (Date) the current date and time
  	   @return  (number[7]) the current time periods (always positive)
  	            by year, month, week, day, hour, minute, second */
  	_calculatePeriods: function(inst, show, now) {
  		// Find endpoints
  		inst._now = now;
  		inst._now.setMilliseconds(0);
  		var until = new Date(inst._now.getTime());
  		if (inst._since && now.getTime() < inst._since.getTime()) {
  			inst._now = now = until;
  		}
  		else if (inst._since) {
  			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 = $.countdown._getDaysInMonth(now.getFullYear(), now.getMonth());
  			var lastUntil = $.countdown._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
  			var adjustDate = function(date, offset, last) {
  				var wasLastDay = (date.getDate() == last);
  				var lastDay = $.countdown._getDaysInMonth(date.getFullYear() + offset * periods[Y],
  					date.getMonth() + offset * periods[O]);
  				if (date.getDate() > lastDay) {
  					date.setDate(lastDay);
  				}
  				date.setFullYear(date.getFullYear() + offset * periods[Y]);
  				date.setMonth(date.getMonth() + offset * periods[O]);
  				if (wasLastDay) {
  					date.setDate(lastDay);
  				}
  				return date;
  			};
  			if (inst._since) {
  				until = adjustDate(until, -1, lastUntil);
  			}
  			else {
  				now = adjustDate(new Date(now.getTime()), +1, lastNow);
  			}
  		}
  		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);
  		return periods;
  	}
  });
  
  /* jQuery extend now ignores nulls!
     @param  target  (object) the object to update
     @param  props   (object) the new settings
     @return  (object) the updated object */
  function extendRemove(target, props) {
  	$.extend(target, props);
  	for (var name in props) {
  		if (props[name] == null) {
  			target[name] = null;
  		}
  	}
  	return target;
  }
  
  /* Process the countdown functionality for a jQuery selection.
     @param  command  (string) the command to run (optional, default 'attach')
     @param  options  (object) the new settings to use for these countdown instances
     @return  (jQuery) for chaining further calls */
  $.fn.countdown = function(options) {
  	var otherArgs = Array.prototype.slice.call(arguments, 1);
  	if (options == 'getTimes') {
  		return $.countdown['_' + options + 'Countdown'].
  			apply($.countdown, [this[0]].concat(otherArgs));
  	}
  	return this.each(function() {
  		if (typeof options == 'string') {
  			$.countdown['_' + options + 'Countdown'].apply($.countdown, [this].concat(otherArgs));
  		}
  		else {
  			$.countdown._attachCountdown(this, options);
  		}
  	});
  };
  
  /* Initialise the countdown functionality. */
  $.countdown = new Countdown(); // singleton instance
  
  })(jQuery);
  