diff -r 27971a13089f -r 2e0b0af889be thirdparty/google_appengine/google/appengine/ext/admin/templates/js/rfc822_date.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thirdparty/google_appengine/google/appengine/ext/admin/templates/js/rfc822_date.js	Sun Sep 06 23:31:53 2009 +0200
@@ -0,0 +1,70 @@
+// Copyright 2009 Google Inc.  All Rights Reserved.
+
+var RFC822Date = {};
+
+/**
+ * Return a DateTime in RFC822 format.
+ * @see http://www.w3.org/Protocols/rfc822/#z28
+ * @param {Date} date A Date object.
+ * @param {string} opt_tzo The timezone offset.
+ */
+RFC822Date.format = function(date, opt_tzo) {
+  var tzo = opt_tzo || RFC822Date.getTZO(date.getTimezoneOffset());
+  var rfc822Date = RFC822Date.DAYS[date.getDay()] + ', ';
+  rfc822Date += RFC822Date.padZero(date.getDate()) + ' ';
+  rfc822Date += RFC822Date.MONTHS[date.getMonth()] + ' ';
+  rfc822Date += date.getFullYear() + ' ';
+  rfc822Date += RFC822Date.padZero(date.getHours()) + ':';
+  rfc822Date += RFC822Date.padZero(date.getMinutes()) + ':';
+  rfc822Date += RFC822Date.padZero(date.getSeconds()) + ' ' ;
+  rfc822Date += tzo;
+  return rfc822Date;
+};
+
+
+/**
+ * @type {Array}
+ */
+RFC822Date.MONTHS = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
+                     'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+
+/**
+ * @type {Array}
+ */
+RFC822Date.DAYS = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+
+
+/**
+ * Pads a value with a 0 if it is less than 10;
+ * @param {number|string}
+ * @return {string}
+ */
+RFC822Date.padZero = function(val) {
+  val = val + ''; // cast into string
+  if (val.length < 2) {
+    val = '0' + val;
+  }
+  return val;
+};
+
+
+/**
+ * Returns a timezone offset in the format +|-dddd.
+ * @param {String} tzo A time zone offset from GMT in minutes.
+ * @return {string} The time zone offset as a string.
+ */
+RFC822Date.getTZO = function(tzo) {
+  var hours = Math.floor(tzo / 60);
+  var tzoFormatted = hours > 0 ? '-' : '+';
+
+  var absoluteHours = Math.abs(hours);
+  tzoFormatted += absoluteHours < 10 ? '0' : '';
+  tzoFormatted += absoluteHours;
+
+  var moduloMinutes = Math.abs(tzo % 60);
+  tzoFormatted += moduloMinutes == 0 ? '00' : moduloMinutes
+
+  return tzoFormatted;
+};
+