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/* http://keith-wood.name/countdown.htmlCountdown for jQuery v1.6.3.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. *//* 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 codethis.regional[''] = { // Default regional settings// The display texts for the counterslabels: ['Years', 'Months', 'Weeks', 'Days', 'Hours', 'Minutes', 'Seconds'],// The display texts for the counters if only onelabels1: ['Year', 'Month', 'Week', 'Day', 'Hour', 'Minute', 'Second'],compactLabels: ['y', 'm', 'w', 'd'], // The compact texts for the counterswhichLabels: null, // Function to determine which labels to usedigits: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'], // The digits to displaytimeSeparator: ':', // Separator for time periodsisRTL: 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' secondssince: 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' secondstimezone: null, // The timezone (hours or minutes from GMT) for the target times,// or null for client localserverSync: null, // A function to retrieve the current server time for synchronisationformat: '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' secondslayout: '', // Build your own layout for the countdowncompact: false, // True to display in a compact format, false for an expanded onesignificant: 0, // The number of periods with values to show, zero for alldescription: '', // The description displayed for the countdownexpiryUrl: '', // A URL to load upon expiry, replacing the current pageexpiryText: '', // Text to display upon expiry, replacing the countdownalwaysExpire: false, // True to trigger onExpiry even if never counted downonExpiry: null, // Callback when the countdown expires -// receives no parameters and 'this' is the containing divisiononTick: null, // Callback when the countdown is updated -// receives int[7] being the breakdown by period (based on format)// and 'this' is the containing divisiontickInterval: 1 // Interval (seconds) between onTick callbacks};$.extend(this._defaults, this.regional['']);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 countdownsfunction timerCallBack(timestamp) {var drawStart = (timestamp < 1e12 ? // New HTML5 high resolution timer(perfAvail ? (performance.now() + performance.timing.navigationStart) : now()) :// Integer milliseconds since unix epochtimestamp || now());if (drawStart - animationStartTime >= 1000) {plugin._updateTargets();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 fluidvar animationStartTime = 0;if (!requestAnimationFrame || $.noRequestAnimationFrame) {$.noRequestAnimationFrame = null;setInterval(function() { plugin._updateTargets(); }, 980); // Fall back to good old setInterval}else {animationStartTime = window.animationStartTime ||window.webkitAnimationStartTime || window.mozAnimationStartTime ||window.oAnimationStartTime || window.msAnimationStartTime || now();requestAnimationFrame(timerCallBack);}}var Y = 0; // Yearsvar O = 1; // Monthsvar W = 2; // Weeksvar D = 3; // Daysvar H = 4; // Hoursvar M = 5; // Minutesvar S = 6; // Seconds$.extend(Countdown.prototype, {/* Class name added to elements to indicate already configured with countdown. */markerClassName: 'hasCountdown',/* Name of the data property for instance settings. */propertyName: 'countdown',/* Class name for the right-to-left marker. */_rtlClass: 'countdown_rtl',/* Class name for the countdown section marker. */_sectionClass: 'countdown_section',/* Class name for the period amount marker. */_amountClass: 'countdown_amount',/* Class name for the countdown row marker. */_rowClass: 'countdown_row',/* Class name for the holding countdown marker. */_holdingClass: 'countdown_holding',/* Class name for the showing countdown marker. */_showClass: 'countdown_show',/* Class name for the description marker. */_descrClass: 'countdown_descr',/* List of currently active countdown targets. */_timerTargets: [],/* Override the default settings for all instances of the countdown widget.@param options (object) the new settings to use as defaults */setDefaults: function(options) {this._resetExtraLabels(this._defaults, options);$.extend(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;},/* Convert a set of periods into seconds.Averaged for months and years.@param periods (number[7]) the periods per year/month/week/day/hour/minute/second@return (number) the corresponding number of seconds */periodsToSeconds: function(periods) {return periods[0] * 31557600 + periods[1] * 2629800 + periods[2] * 604800 +periods[3] * 86400 + periods[4] * 3600 + periods[5] * 60 + periods[6];},/* Attach the countdown widget to a div.@param target (element) the containing division@param options (object) the initial settings for the countdown */_attachPlugin: function(target, options) {target = $(target);if (target.hasClass(this.markerClassName)) {return;}var inst = {options: $.extend({}, this._defaults), _periods: [0, 0, 0, 0, 0, 0, 0]};target.addClass(this.markerClassName).data(this.propertyName, inst);this._optionPlugin(target, options);},/* Add a target to the list of active ones.@param target (element) the countdown target */_addTarget: function(target) {if (!this._hasTarget(target)) {this._timerTargets.push(target);}},/* See if a target is in the list of active ones.@param target (element) the countdown target@return (boolean) true if present, false if not */_hasTarget: function(target) {return ($.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 = this._timerTargets.length - 1; i >= 0; i--) {this._updateCountdown(this._timerTargets[i]);}},/* Reconfigure the settings for a countdown div.@param target (element) the control to affect@param options (object) the new options for this instance or(string) an individual property name@param value (any) the individual property value (omit if optionsis an object or to retrieve the value of a setting)@return (any) if retrieving a value */_optionPlugin: function(target, options, value) {target = $(target);var inst = target.data(this.propertyName);if (!options || (typeof options == 'string' && value == null)) { // Get optionvar name = options;options = (inst || {}).options;return (options && name ? options[name] : options);}if (!target.hasClass(this.markerClassName)) {return;}options = options || {};if (typeof options == 'string') {var name = options;options = {};options[name] = value;}if (options.layout) {options.layout = options.layout.replace(/</g, '<').replace(/>/g, '>');}this._resetExtraLabels(inst.options, options);var timezoneChanged = (inst.options.timezone != options.timezone);$.extend(inst.options, options);this._adjustSettings(target, inst,options.until != null || options.since != null || timezoneChanged);var now = new Date();if ((inst._since && inst._since < now) || (inst._until && inst._until > now)) {this._addTarget(target[0]);}this._updateCountdown(target, inst);},/* 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 || $target.data(this.propertyName);if (!inst) {return;}$target.html(this._generateHTML(inst)).toggleClass(this._rtlClass, inst.options.isRTL);if ($.isFunction(inst.options.onTick)) {var periods = inst._hold != 'lap' ? inst._periods :this._calculatePeriods(inst, inst._show, inst.options.significant, new Date());if (inst.options.tickInterval == 1 ||this.periodsToSeconds(periods) % inst.options.tickInterval == 0) {inst.options.onTick.apply(target, [periods]);}}var expired = inst._hold != 'pause' &&(inst._since ? inst._now.getTime() < inst._since.getTime() :inst._now.getTime() >= inst._until.getTime());if (expired && !inst._expiring) {inst._expiring = true;if (this._hasTarget(target) || inst.options.alwaysExpire) {this._removeTarget(target);if ($.isFunction(inst.options.onExpiry)) {inst.options.onExpiry.apply(target, []);}if (inst.options.expiryText) {var layout = inst.options.layout;inst.options.layout = inst.options.expiryText;this._updateCountdown(target, inst);inst.options.layout = layout;}if (inst.options.expiryUrl) {window.location = inst.options.expiryUrl;}}inst._expiring = false;}else if (inst._hold == 'pause') {this._removeTarget(target);}$target.data(this.propertyName, inst);},/* Reset any extra labelsn and compactLabelsn entries if changing labels.@param base (object) the options to be updated@param options (object) the new option values */_resetExtraLabels: function(base, options) {var changingLabels = false;for (var n in options) {if (n != 'whichLabels' && n.match(/[Ll]abels/)) {changingLabels = true;break;}}if (changingLabels) {for (var n in base) { // Remove custom numbered labelsif (n.match(/[Ll]abels[02-9]|compactLabels1/)) {base[n] = null;}}}},/* Calculate interal settings for an instance.@param target (element) the containing division@param inst (object) the current settings for this instance@param recalc (boolean) true if until or since are set */_adjustSettings: function(target, inst, recalc) {var now;var serverOffset = 0;var serverEntry = null;for (var i = 0; i < this._serverSyncs.length; i++) {if (this._serverSyncs[i][0] == inst.options.serverSync) {serverEntry = this._serverSyncs[i][1];break;}}if (serverEntry != null) {serverOffset = (inst.options.serverSync ? serverEntry : 0);now = new Date();}else {var serverResult = ($.isFunction(inst.options.serverSync) ?inst.options.serverSync.apply(target, []) : 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 target (element) the containing division */_destroyPlugin: function(target) {target = $(target);if (!target.hasClass(this.markerClassName)) {return;}this._removeTarget(target[0]);target.removeClass(this.markerClassName).empty().removeData(this.propertyName);},/* Pause a countdown widget at the current time.Stop it running but remember and display the current time.@param target (element) the containing division */_pausePlugin: 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 */_lapPlugin: function(target) {this._hold(target, 'lap');},/* Resume a paused countdown widget.@param target (element) the containing division */_resumePlugin: 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 = $.data(target, this.propertyName);if (inst) {if (inst._hold == 'pause' && !hold) {inst._periods = inst._savePeriods;var sign = (inst._since ? '-' : '+');inst[inst._since ? '_since' : '_until'] =this._determineTime(sign + inst._periods[0] + 'y' +sign + inst._periods[1] + 'o' + sign + inst._periods[2] + 'w' +sign + inst._periods[3] + 'd' + sign + inst._periods[4] + 'h' +sign + inst._periods[5] + 'm' + sign + inst._periods[6] + 's');this._addTarget(target);}inst._hold = hold;inst._savePeriods = (hold == 'pause' ? inst._periods : null);$.data(target, this.propertyName, 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 */_getTimesPlugin: function(target) {var inst = $.data(target, this.propertyName);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.@param setting (string or number or Date) - the date/time valueas 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, -2var 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, plugin._getDaysInMonth(year, month));break;case 'y':year += parseInt(matches[1], 10);day = Math.min(day, plugin._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();},/* Determine which set of labels should be used for an amount.@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.@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 showinst._periods = (inst._hold ? inst._periods :this._calculatePeriods(inst, inst._show, inst.options.significant, new Date()));// Show all 'asNeeded' after first non-zero valuevar 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 periodsif (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 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="' + plugin._sectionClass + '">' +'<span class="' + plugin._amountClass + '">' +self._translateDigits(inst, inst._periods[period]) + '</span><br/>' +(labelsNum ? labelsNum[period] : labels[period]) + '</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.@param inst (object) the current settings for this instance@param show (string[7]) 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[7]) 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.@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.@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.@param inst (object) the current settings for this instance@return (string[7]) flags indicating which periods are requested (?) orrequired (!) 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.@param inst (object) the current settings for this instance@param show (string[7]) 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[7]) the current time periods (always positive)by year, month, week, day, hour, minute, second */_calculatePeriods: function(inst, show, significant, now) {// Find endpointsinst._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 periodvar periods = [0, 0, 0, 0, 0, 0, 0];if (show[Y] || show[O]) {// Treat end of months as the samevar lastNow = plugin._getDaysInMonth(now.getFullYear(), now.getMonth());var lastUntil = plugin._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 necessarynow = new Date(now.getTime());var wasLastDay = (now.getDate() == lastNow);var lastDay = plugin._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 oversvar 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 periodsfor (var period = Y; period <= S; period++) {if (significant && periods[period]) {significant--;}else if (!significant) {periods[period] = 0;}}}return periods;}});// The list of commands that return values and don't permit chainingvar getters = ['getTimes'];/* Determine whether a command is a getter and doesn't permit chaining.@param command (string, optional) the command to run@param otherArgs ([], optional) any other arguments for the command@return true if the command is a getter, false if not */function isNotChained(command, otherArgs) {if (command == 'option' && (otherArgs.length == 0 ||(otherArgs.length == 1 && typeof otherArgs[0] == 'string'))) {return true;}return $.inArray(command, getters) > -1;}/* Process the countdown functionality for a jQuery selection.@param options (object) the new settings to use for these instances (optional) or(string) the command to run (optional)@return (jQuery) for chaining further calls or(any) getter value */$.fn.countdown = function(options) {var otherArgs = Array.prototype.slice.call(arguments, 1);if (isNotChained(options, otherArgs)) {return plugin['_' + options + 'Plugin'].apply(plugin, [this[0]].concat(otherArgs));}return this.each(function() {if (typeof options == 'string') {if (!plugin['_' + options + 'Plugin']) {throw 'Unknown command: ' + options;}plugin['_' + options + 'Plugin'].apply(plugin, [this].concat(otherArgs));}else {plugin._attachPlugin(this, options || {});}});};/* Initialise the countdown functionality. */var plugin = $.countdown = new Countdown(); // Singleton instance})(jQuery);