From d5d62f274909f839ec131e3adfc2434202340f15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Teemu=20P=C3=A4=C3=A4kk=C3=B6nen?= <teemu@flockler.com>
Date: Wed, 8 Jan 2014 15:00:46 +0200
Subject: [PATCH] Allow empty internal value if options.allowBlank is true

---
 jquery.datetimepicker.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/jquery.datetimepicker.js b/jquery.datetimepicker.js
index bd91030..ab3c474 100644
--- a/jquery.datetimepicker.js
+++ b/jquery.datetimepicker.js
@@ -446,11 +446,16 @@
 							.on('blur.xdsoft', function() {
 								if( options.allowBlank && !$.trim($(this).val()).length ) {
 									$(this).val(null);
+									datetimepicker.data('xdsoft_datetime').empty();
 								}
 								else if( !Date.parseDate( $(this).val(), options.format ) ) {
 									$(this).val((new Date()).dateFormat( options.format ));
+									datetimepicker.data('xdsoft_datetime').setCurrentTime($(this).val());
 								}
-								datetimepicker.data('xdsoft_datetime').setCurrentTime($(this).val());
+								else
++								{
++									datetimepicker.data('xdsoft_datetime').setCurrentTime($(this).val());
+ 								}
 								datetimepicker.trigger('changedatetime.xdsoft');
 							});
 					}
@@ -508,6 +513,10 @@
 						datetimepicker.trigger('xchange.xdsoft');
 					};
 
+					_this.empty = function() {
++						_this.currentTime = null;
++					};
+
 					_this.getCurrentTime = function( dTime) {
 						return _this.currentTime;
 					};