From c5635d6350a64ed62b5770b5a46eb5623c34fc9d Mon Sep 17 00:00:00 2001
From: Keith Wood <kbwood.au@gmail.com>
Date: Thu, 21 Aug 2008 09:25:20 +0000
Subject: Fixed 3191 NaN causes breakage for relative dates

---
 ui/ui.datepicker.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'ui')

diff --git a/ui/ui.datepicker.js b/ui/ui.datepicker.js
index d4b01a208..6c476d9f7 100644
--- a/ui/ui.datepicker.js
+++ b/ui/ui.datepicker.js
@@ -1244,9 +1244,10 @@ $.extend(Datepicker.prototype, {
 			}
 			return new Date(year, month, day);
 		};
-		return (date == null ? defaultDate :
+		date = (date == null ? defaultDate :
 			(typeof date == 'string' ? offsetString(date, this._getDaysInMonth) :
-			(typeof date == 'number' ? offsetNumeric(date) : date)));
+			(typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
+		return (date && date.toString() == 'Invalid Date' ? defaultDate : date);
 	},
 
 	/* Set the date(s) directly. */
-- 
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