﻿// Version 10.03.10

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    var classes = className.split(' ');
    var classesToCheck = '';
    var returnElements = [];
    var match, node, elements;

    if (document.evaluate) {
        var xhtmlNamespace = 'http://www.w3.org/1999/xhtml';
        var namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace) ? xhtmlNamespace : null;

        for (var j = 0, jl = classes.length; j < jl; j += 1)
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    {
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        h = window.document.body.clientHeight;
    }

    return {
        'w': parseInt(w),
        'h': parseInt(h)
    };
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}

function php_date(format, timestamp) {
    // http://kevin.vanzonneveld.net
    // +   original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com)
    // +      parts by: Peter-Paul Koch (http://www.quirksmode.org/js/beat.html)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: MeEtc (http://yass.meetcweb.com)
    // +   improved by: Brad Touesnard
    // +   improved by: Tim Wiel
    // +   improved by: Bryan Elliott
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: David Randall
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Theriault
    // +  derived from: gettimeofday
    // +      input by: majak
    // +   bugfixed by: majak
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Alex
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Theriault
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Theriault
    // +   improved by: Thomas Beaucourt  (http://www.webapp.fr)
    // +   improved by: JT
    // +   improved by: Theriault
    // %        note 1: Uses global: php_js to store the default timezone
    // *     example 1: date('H:m:s \\m \\i\\s \\m\\o\\n\\t\\h', 1062402400);
    // *     returns 1: '09:09:40 m is month'
    // *     example 2: date('F j, Y, g:i a', 1062462400);
    // *     returns 2: 'September 2, 2003, 2:26 am'
    // *     example 3: date('Y W o', 1062462400);
    // *     returns 3: '2003 36 2003'
    // *     example 4: x = date('Y m d', (new Date()).getTime()/1000); 
    // *     example 4: (x+'').length == 10 // 2009 01 09
    // *     returns 4: true
    // *     example 5: date('W', 1104534000);
    // *     returns 5: '53'
    // *     example 6: date('B t', 1104534000);
    // *     returns 6: '999 31'
    // *     example 7: date('W', 1293750000); // 2010-12-31
    // *     returns 7: '52'
    // *     example 8: date('W', 1293836400); // 2011-01-01
    // *     returns 8: '52'
    // *     example 9: date('W Y-m-d', 1293974054); // 2011-01-02
    // *     returns 9: '52 2011-01-02'
    var that = this,
        jsdate, f, formatChr = /\\?([a-z])/gi, formatChrCb,
    // Keep this here (works, but for code commented-out
    // below for file size reasons)
    //, tal= [],
        _pad = function (n, c) {
            if ((n = n + "").length < c) {
                return new Array((++c) - n.length).join("0") + n;
            } else {
                return n;
            }
        },
        txt_words = ["Sun", "Mon", "Tues", "Wednes", "Thurs", "Fri", "Satur",
        "January", "February", "March", "April", "May", "June", "July",
        "August", "September", "October", "November", "December"],
        txt_ordin = {
            1: "st",
            2: "nd",
            3: "rd",
            21: "st",
            22: "nd",
            23: "rd",
            31: "st"
        };
    formatChrCb = function (t, s) {
        return f[t] ? f[t]() : s;
    };
    f = {
        // Day
        d: function () { // Day of month w/leading 0; 01..31
            return _pad(f.j(), 2);
        },
        D: function () { // Shorthand day name; Mon...Sun
            return f.l().slice(0, 3);
        },
        j: function () { // Day of month; 1..31
            return jsdate.getDate();
        },
        l: function () { // Full day name; Monday...Sunday
            return txt_words[f.w()] + 'day';
        },
        N: function () { // ISO-8601 day of week; 1[Mon]..7[Sun]
            return f.w() || 7;
        },
        S: function () { // Ordinal suffix for day of month; st, nd, rd, th
            return txt_ordin[f.j()] || 'th';
        },
        w: function () { // Day of week; 0[Sun]..6[Sat]
            return jsdate.getDay();
        },
        z: function () { // Day of year; 0..365
            var a = new Date(f.Y(), f.n() - 1, f.j()),
                b = new Date(f.Y(), 0, 1);
            return Math.round((a - b) / 864e5) + 1;
        },

        // Week
        W: function () { // ISO-8601 week number
            var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3),
                b = new Date(a.getFullYear(), 0, 4);
            return 1 + Math.round((a - b) / 864e5 / 7);
        },

        // Month
        F: function () { // Full month name; January...December
            return txt_words[6 + f.n()];
        },
        m: function () { // Month w/leading 0; 01...12
            return _pad(f.n(), 2);
        },
        M: function () { // Shorthand month name; Jan...Dec
            return f.F().slice(0, 3);
        },
        n: function () { // Month; 1...12
            return jsdate.getMonth() + 1;
        },
        t: function () { // Days in month; 28...31
            return (new Date(f.Y(), f.n(), 0)).getDate();
        },

        // Year
        L: function () { // Is leap year?; 0 or 1
            var y = f.Y(), a = y & 3, b = y % 4e2, c = y % 1e2;
            return 0 + (!a && (c || !b));
        },
        o: function () { // ISO-8601 year
            var n = f.n(), W = f.W(), Y = f.Y();
            return Y + (n === 12 && W < 9 ? -1 : n === 1 && W > 9);
        },
        Y: function () { // Full year; e.g. 1980...2010
            return jsdate.getFullYear();
        },
        y: function () { // Last two digits of year; 00...99
            return (f.Y() + "").slice(-2);
        },

        // Time
        a: function () { // am or pm
            return jsdate.getHours() > 11 ? "pm" : "am";
        },
        A: function () { // AM or PM
            return f.a().toUpperCase();
        },
        B: function () { // Swatch Internet time; 000..999
            var H = jsdate.getUTCHours() * 36e2, // Hours
                i = jsdate.getUTCMinutes() * 60, // Minutes
                s = jsdate.getUTCSeconds(); // Seconds
            return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
        },
        g: function () { // 12-Hours; 1..12
            return f.G() % 12 || 12;
        },
        G: function () { // 24-Hours; 0..23
            return jsdate.getHours();
        },
        h: function () { // 12-Hours w/leading 0; 01..12
            return _pad(f.g(), 2);
        },
        H: function () { // 24-Hours w/leading 0; 00..23
            return _pad(f.G(), 2);
        },
        i: function () { // Minutes w/leading 0; 00..59
            return _pad(jsdate.getMinutes(), 2);
        },
        s: function () { // Seconds w/leading 0; 00..59
            return _pad(jsdate.getSeconds(), 2);
        },
        u: function () { // Microseconds; 000000-999000
            return _pad(jsdate.getMilliseconds() * 1000, 6);
        },

        // Timezone
        e: function () { // Timezone identifier; e.g. Atlantic/Azores, ...
            // The following works, but requires inclusion of the very large
            // timezone_abbreviations_list() function.
            /*              var abbr = '', i = 0, os = 0;
            if (that.php_js && that.php_js.default_timezone) {
            return that.php_js.default_timezone;
            }
            if (!tal.length) {
            tal = that.timezone_abbreviations_list();
            }
            for (abbr in tal) {
            for (i = 0; i < tal[abbr].length; i++) {
            os = -jsdate.getTimezoneOffset() * 60;
            if (tal[abbr][i].offset === os) {
            return tal[abbr][i].timezone_id;
            }
            }
            }
            */
            return 'UTC';
        },
        I: function () { // DST observed?; 0 or 1
            // Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
            // If they are not equal, then DST is observed.
            var a = new Date(f.Y(), 0), // Jan 1
                c = Date.UTC(f.Y(), 0), // Jan 1 UTC
                b = new Date(f.Y(), 6), // Jul 1
                d = Date.UTC(f.Y(), 6); // Jul 1 UTC
            return 0 + ((a - c) !== (b - d));
        },
        O: function () { // Difference to GMT in hour format; e.g. +0200
            var a = jsdate.getTimezoneOffset();
            return (a > 0 ? "-" : "+") + _pad(Math.abs(a / 60 * 100), 4);
        },
        P: function () { // Difference to GMT w/colon; e.g. +02:00
            var O = f.O();
            return (O.substr(0, 3) + ":" + O.substr(3, 2));
        },
        T: function () { // Timezone abbreviation; e.g. EST, MDT, ...
            // The following works, but requires inclusion of the very
            // large timezone_abbreviations_list() function.
            /*              var abbr = '', i = 0, os = 0, default = 0;
            if (!tal.length) {
            tal = that.timezone_abbreviations_list();
            }
            if (that.php_js && that.php_js.default_timezone) {
            default = that.php_js.default_timezone;
            for (abbr in tal) {
            for (i=0; i < tal[abbr].length; i++) {
            if (tal[abbr][i].timezone_id === default) {
            return abbr.toUpperCase();
            }
            }
            }
            }
            for (abbr in tal) {
            for (i = 0; i < tal[abbr].length; i++) {
            os = -jsdate.getTimezoneOffset() * 60;
            if (tal[abbr][i].offset === os) {
            return abbr.toUpperCase();
            }
            }
            }
            */
            return 'UTC';
        },
        Z: function () { // Timezone offset in seconds (-43200...50400)
            return -jsdate.getTimezoneOffset() * 60;
        },

        // Full Date/Time
        c: function () { // ISO-8601 date.
            return 'Y-m-d\\Th:i:sP'.replace(formatChr, formatChrCb);
        },
        r: function () { // RFC 2822
            return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
        },
        U: function () { // Seconds since UNIX epoch
            return Math.round(jsdate.getTime() / 1000);
        }
    };
    this.date = function (format, timestamp) {
        that = this;
        jsdate = (
            (typeof timestamp === 'undefined') ? new Date() : // Not provided
            (timestamp instanceof Date) ? new Date(timestamp) : // JS Date()
            new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
        );
        return format.replace(formatChr, formatChrCb);
    };
    return this.date(format, timestamp);
}
