/*
* Date Format 1.2.3
* (c) 2007-2009 Steven Levithan <stevenlevithan.com>
* MIT license
*
* Includes enhancements by Scott Trenda <scott.trenda.net>
* and Kris Kowal <cixar.com/~kris.kowal/>
*
* Accepts a date, a mask, or a date and a mask.
* Returns a formatted version of the given date.
* The date defaults to the current date/time.
* The mask defaults to dateFormat.masks.default.
*/

var dateFormat = function () {
    var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
		    val = String(val);
		    len = len || 2;
		    while (val.length < len) val = "0" + val;
		    return val;
		};

    // Regexes and supporting functions are cached through closure
    return function (date, mask, utc) {
        //        var dF = dateFormat;

        //        // You can't provide utc if you skip other args (use the "UTC:" mask prefix)
        //        if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
        //            mask = date;
        //            date = undefined;
        //        }

        //        // Passing date through Date applies Date.parse, if necessary
        //        // date = date ? window.alert("OK") : window.alert("nono");
        //        date = date ? new Date(date) : new Date;
        //        //if (isNaN(date)) throw SyntaxError("invalid date");
        //        window.alert(date);


        //        mask = String(dF.masks[mask] || mask || dF.masks["default"]);

        //        // Allow setting the utc argument via the mask
        //        if (mask.slice(0, 4) == "UTC:") {
        //            mask = mask.slice(4);
        //            utc = true;
        //        }

        //        var _ = utc ? "getUTC" : "get",
        //        //			d = date[_ + "Date"](),
        //            d = date.getDate(),
        //        //			D = date[_ + "Day"](),
        //                    D = date.getDay(),
        //        //			m = date[_ + "Month"](),
        //                    m = date.getMonth(),
        //        //			y = date[_ + "FullYear"](),
        //                    y = date.getFullYear(),
        //        //			H = date[_ + "Hours"](),
        //                    H = date.getHours(),
        //        //			M = date[_ + "Minutes"](),
        //                    M = date.getMinutes(),
        //        //			s = date[_ + "Seconds"](),
        //                    s = date.getSeconds(),
        //                    L = date.getMilliseconds(),
        //        //			L = date[_ + "Milliseconds"](),
        //        o = utc ? 0 : date.getTimezoneOffset(),
        //			flags = {
        //			    d: d,
        //			    dd: pad(d),
        //			    ddd: dF.i18n.dayNames[D],
        //			    dddd: dF.i18n.dayNames[D + 7],
        //			    m: m + 1,
        //			    mm: pad(m + 1),
        //			    mmm: dF.i18n.monthNames[m],
        //			    mmmm: dF.i18n.monthNames[m + 12],
        //			    yy: String(y).slice(2),
        //			    yyyy: y,
        //			    h: H % 12 || 12,
        //			    hh: pad(H % 12 || 12),
        //			    H: H,
        //			    HH: pad(H),
        //			    M: M,
        //			    MM: pad(M),
        //			    s: s,
        //			    ss: pad(s),
        //			    l: pad(L, 3),
        //			    L: pad(L > 99 ? Math.round(L / 10) : L),
        //			    t: H < 12 ? "a" : "p",
        //			    tt: H < 12 ? "am" : "pm",
        //			    T: H < 12 ? "A" : "P",
        //			    TT: H < 12 ? "AM" : "PM",
        //			    Z: utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
        //			    o: (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
        //			    S: ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
        //			};

        //        return mask.replace(token, function ($0) {
        //            return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
        //        });

        return (date);
    };
} ();

// Some common format strings
dateFormat.masks = {
    "default": "ddd mmm dd yyyy HH:MM:ss",
    shortDate: "m/d/yy",
    mediumDate: "mmm d, yyyy",
    longDate: "mmmm d, yyyy",
    fullDate: "dddd, mmmm d, yyyy",
    shortTime: "h:MM TT",
    mediumTime: "h:MM:ss TT",
    longTime: "h:MM:ss TT Z",
    isoDate: "yyyy-mm-dd",
    isoTime: "HH:MM:ss",
    isoDateTime: "yyyy-mm-dd'T'HH:MM:ss",
    isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
    dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
    monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
    return dateFormat(this, mask, utc);
};