/*
 * 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) {
	    try{
		    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 ? new Date(date) : new Date;

    		
		    if (isNaN(date)) throw SyntaxError("invalid 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[_ + "Day"](),
			    m = date[_ + "Month"](),
			    y = date[_ + "FullYear"](),
			    H = date[_ + "Hours"](),
			    M = date[_ + "Minutes"](),
			    s = date[_ + "Seconds"](),
			    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);		    
		
		});
	} catch (err) {

	} 
};
}();

// 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);
};