• 16-08-2013, 18:22:21
    #1
    1.sayfa sığmadığı için

    (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
    whichLabels: null, // Function to determine which labels to use
    digits: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'], // The digits to display
    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
    significant: 0, // The number of periods with values to show, zero for all
    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
    tickInterval: 1 // Interval (seconds) between onTick callbacks
    };
    $.extend(this._defaults, this.regional['']);
    this._serverSyncs = [];
    // Shared timer for all countdowns
    function timerCallBack(timestamp) {
    var drawStart = (timestamp < 1e12 ? // New HTML5 high resolution timer
    (drawStart = performance.now ?
    (performance.now() + performance.timing.navigationStart) : Date.now()) :
    // Integer milliseconds since unix epoch
    timestamp || new Date().getTime());
    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 fluid
    var 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 || new Date().getTime();
    requestAnimationFrame(timerCallBack);
    }
    }

    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',
    /* 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.pr opertyName, 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 options
    is 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 option
    var 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;
    }
    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 labels
    if (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.getMillise conds() + serverOffset);
    }
    }
    inst._until = this.UTCDate(timezone, this._determineTime(inst.options.until, now));
    if (serverOffset) {
    inst._until.setMilliseconds(inst._until.getMillise conds() + 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().r emoveData(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) {
  • 16-08-2013, 18:23:04
    #2
    s. sayfa,


    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 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, 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 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 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="onefourth ' + 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 + '<\\}(.*)\\{' + 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 (?) 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.
    @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 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 = 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 necessary
    now = 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 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;
    }
    });

    // The list of commands that return values and don't permit chaining
    var 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);