if (!dojo._hasResource["dojox.date.posix"]) { // _hasResource checks added by
												// build. Do not use
												// _hasResource directly in your
												// code.
	dojo._hasResource["dojox.date.posix"] = true;
	dojo.provide("dojox.date.posix");

	dojo.require("dojo.date");
	dojo.require("dojo.date.locale");
	dojo.require("dojo.string");

	dojox.date.posix.strftime = function(/* Date */dateObject, /* String */
			format, /* String? */locale) {
		//
		// summary:
		// Formats the date object using the specifications of the POSIX
		// strftime function
		//
		// description:
		// see <http://www.opengroup.org/onlinepubs/007908799/xsh/strftime.html>

		// zero pad
		var padChar = null;
		var _ = function(s, n) {
			return dojo.string.pad(s, n || 2, padChar || "0");
		};

		var bundle = dojo.date.locale._getGregorianBundle(locale);

		var $ = function(property) {
			switch (property) {
				case "a" : // abbreviated weekday name according to the current
							// locale
					return dojo.date.locale.getNames('days', 'abbr', 'format',
							locale)[dateObject.getDay()];

				case "A" : // full weekday name according to the current locale
					return dojo.date.locale.getNames('days', 'wide', 'format',
							locale)[dateObject.getDay()];

				case "b" :
				case "h" : // abbreviated month name according to the current
							// locale
					return dojo.date.locale.getNames('months', 'abbr',
							'format', locale)[dateObject.getMonth()];

				case "B" : // full month name according to the current locale
					return dojo.date.locale.getNames('months', 'wide',
							'format', locale)[dateObject.getMonth()];

				case "c" : // preferred date and time representation for the
							// current
					// locale
					return dojo.date.locale.format(dateObject, {
								formatLength : 'full',
								locale : locale
							});

				case "C" : // century number (the year divided by 100 and
							// truncated
					// to an integer, range 00 to 99)
					return _(Math.floor(dateObject.getFullYear() / 100));

				case "d" : // day of the month as a decimal number (range 01 to
							// 31)
					return _(dateObject.getDate());

				case "D" : // same as %m/%d/%y
					return $("m") + "/" + $("d") + "/" + $("y");

				case "e" : // day of the month as a decimal number, a single
							// digit is
					// preceded by a space (range ' 1' to '31')
					if (padChar == null) {
						padChar = " ";
					}
					return _(dateObject.getDate());

				case "f" : // month as a decimal number, a single digit is
					// preceded by a space (range ' 1' to '12')
					if (padChar == null) {
						padChar = " ";
					}
					return _(dateObject.getMonth() + 1);

				case "g" : // like %G, but without the century.
					break;

				case "G" : // The 4-digit year corresponding to the ISO week
							// number
					// (see %V). This has the same format and value as %Y,
					// except that if the ISO week number belongs to the
					// previous or next year, that year is used instead.
					dojo.unimplemented("unimplemented modifier 'G'");
					break;

				case "F" : // same as %Y-%m-%d
					return $("Y") + "-" + $("m") + "-" + $("d");

				case "H" : // hour as a decimal number using a 24-hour clock
							// (range
					// 00 to 23)
					return _(dateObject.getHours());

				case "I" : // hour as a decimal number using a 12-hour clock
							// (range
					// 01 to 12)
					return _(dateObject.getHours() % 12 || 12);

				case "j" : // day of the year as a decimal number (range 001 to
							// 366)
					return _(dojo.date.locale._getDayOfYear(dateObject), 3);

				case "k" : // Hour as a decimal number using a 24-hour clock
							// (range
					// 0 to 23 (space-padded))
					if (padChar == null) {
						padChar = " ";
					}
					return _(dateObject.getHours());

				case "l" : // Hour as a decimal number using a 12-hour clock
							// (range
					// 1 to 12 (space-padded))
					if (padChar == null) {
						padChar = " ";
					}
					return _(dateObject.getHours() % 12 || 12);

				case "m" : // month as a decimal number (range 01 to 12)
					return _(dateObject.getMonth() + 1);

				case "M" : // minute as a decimal number
					return _(dateObject.getMinutes());

				case "n" :
					return "\n";

				case "p" : // either `am' or `pm' according to the given time
							// value,
					// or the corresponding strings for the current locale
					return bundle[dateObject.getHours() < 12 ? "am" : "pm"];

				case "r" : // time in a.m. and p.m. notation
					return $("I") + ":" + $("M") + ":" + $("S") + " " + $("p");

				case "R" : // time in 24 hour notation
					return $("H") + ":" + $("M");

				case "S" : // second as a decimal number
					return _(dateObject.getSeconds());

				case "t" :
					return "\t";

				case "T" : // current time, equal to %H:%M:%S
					return $("H") + ":" + $("M") + ":" + $("S");

				case "u" : // weekday as a decimal number [1,7], with 1
							// representing
					// Monday
					return String(dateObject.getDay() || 7);

				case "U" : // week number of the current year as a decimal
							// number,
					// starting with the first Sunday as the first day of the
					// first week
					return _(dojo.date.locale._getWeekOfYear(dateObject));

				case "V" : // week number of the year (Monday as the first day
							// of the
					// week) as a decimal number [01,53]. If the week containing
					// 1 January has four or more days in the new year, then it
					// is considered week 1. Otherwise, it is the last week of
					// the previous year, and the next week is week 1.
					return _(dojox.date.posix.getIsoWeekOfYear(dateObject));

				case "W" : // week number of the current year as a decimal
							// number,
					// starting with the first Monday as the first day of the
					// first week
					return _(dojo.date.locale._getWeekOfYear(dateObject, 1));

				case "w" : // day of the week as a decimal, Sunday being 0
					return String(dateObject.getDay());

				case "x" : // preferred date representation for the current
							// locale
					// without the time
					return dojo.date.locale.format(dateObject, {
								selector : 'date',
								formatLength : 'full',
								locale : locale
							});

				case "X" : // preferred time representation for the current
							// locale
					// without the date
					return dojo.date.locale.format(dateObject, {
								selector : 'time',
								formatLength : 'full',
								locale : locale
							});

				case "y" : // year as a decimal number without a century (range
							// 00 to
					// 99)
					return _(dateObject.getFullYear() % 100);

				case "Y" : // year as a decimal number including the century
					return String(dateObject.getFullYear());

				case "z" : // time zone or name or abbreviation
					var timezoneOffset = dateObject.getTimezoneOffset();
					return (timezoneOffset > 0 ? "-" : "+")
							+ _(Math.floor(Math.abs(timezoneOffset) / 60))
							+ ":" + _(Math.abs(timezoneOffset) % 60);

				case "Z" : // time zone or name or abbreviation
					return dojo.date.getTimezoneName(dateObject);

				case "%" :
					return "%";
			}
		};

		// parse the formatting string and construct the resulting string
		var string = "";
		var i = 0;
		var index = 0;
		var switchCase = null;
		while ((index = format.indexOf("%", i)) != -1) {
			string += format.substring(i, index++);

			// inspect modifier flag
			switch (format.charAt(index++)) {
				case "_" : // Pad a numeric result string with spaces.
					padChar = " ";
					break;
				case "-" : // Do not pad a numeric result string.
					padChar = "";
					break;
				case "0" : // Pad a numeric result string with zeros.
					padChar = "0";
					break;
				case "^" : // Convert characters in result string to uppercase.
					switchCase = "upper";
					break;
				case "*" : // Convert characters in result string to lowercase
					switchCase = "lower";
					break;
				case "#" : // Swap the case of the result string.
					switchCase = "swap";
					break;
				default : // no modifier flag so decrement the index
					padChar = null;
					index--;
					break;
			}

			// toggle case if a flag is set
			var property = $(format.charAt(index++));
			switch (switchCase) {
				case "upper" :
					property = property.toUpperCase();
					break;
				case "lower" :
					property = property.toLowerCase();
					break;
				case "swap" : // Upper to lower, and versey-vicea
					var compareString = property.toLowerCase();
					var swapString = '';
					var ch = '';
					for (var j = 0; j < property.length; j++) {
						ch = property.charAt(j);
						swapString += (ch == compareString.charAt(j)) ? ch
								.toUpperCase() : ch.toLowerCase();
					}
					property = swapString;
					break;
				default :
					break;
			}
			switchCase = null;

			string += property;
			i = index;
		}
		string += format.substring(i);

		return string; // String
	};

	dojox.date.posix.getStartOfWeek = function(/* Date */dateObject, /* Number */
			firstDay) {
		// summary: Return a date object representing the first day of the given
		// date's week.
		if (isNaN(firstDay)) {
			firstDay = dojo.cldr.supplemental.getFirstDayOfWeek
					? dojo.cldr.supplemental.getFirstDayOfWeek()
					: 0;
		}
		var offset = firstDay;
		if (dateObject.getDay() >= firstDay) {
			offset -= dateObject.getDay();
		} else {
			offset -= (7 - dateObject.getDay());
		}
		var date = new Date(dateObject);
		date.setHours(0, 0, 0, 0);
		return dojo.date.add(date, "day", offset); // Date
	}

	dojox.date.posix.setIsoWeekOfYear = function(/* Date */dateObject, /* Number */
			week) {
		// summary: Set the ISO8601 week number of the given date.
		// The week containing January 4th is the first week of the year.
		// week:
		// can be positive or negative: -1 is the year's last week.
		if (!week) {
			return dateObject;
		}
		var currentWeek = dojox.date.posix.getIsoWeekOfYear(dateObject);
		var offset = week - currentWeek;
		if (week < 0) {
			var weeks = dojox.date.posix.getIsoWeeksInYear(dateObject);
			offset = (weeks + week + 1) - currentWeek;
		}
		return dojo.date.add(dateObject, "week", offset); // Date
	}

	dojox.date.posix.getIsoWeekOfYear = function(/* Date */dateObject) {
		// summary: Get the ISO8601 week number of the given date.
		// The week containing January 4th is the first week of the year.
		// See http://en.wikipedia.org/wiki/ISO_week_date
		var weekStart = dojox.date.posix.getStartOfWeek(dateObject, 1);
		var yearStart = new Date(dateObject.getFullYear(), 0, 4); // January
																	// 4th
		yearStart = dojox.date.posix.getStartOfWeek(yearStart, 1);
		var diff = weekStart.getTime() - yearStart.getTime();
		if (diff < 0) {
			return dojox.date.posix.getIsoWeeksInYear(weekStart);
		} // Integer
		return Math.ceil(diff / 604800000) + 1; // Integer
	}

	dojox.date.posix.getIsoWeeksInYear = function(/* Date */dateObject) {
		// summary: Determine the number of ISO8601 weeks in the year of the
		// given
		// date. Most years have 52 but some have 53.
		// See http://www.phys.uu.nl/~vgent/calendar/isocalendar_text3.htm
		function p(y) {
			return y + Math.floor(y / 4) - Math.floor(y / 100)
					+ Math.floor(y / 400);
		}
		var y = dateObject.getFullYear();
		return (p(y) % 7 == 4 || p(y - 1) % 7 == 3) ? 53 : 52; // Integer
	}

}