From 0184c64c5a004148895fd6b3be0f6ebd086de7f2 Mon Sep 17 00:00:00 2001
From: isaacws <isaacws@gmail.com>
Date: Mon, 16 Feb 2015 14:48:56 -0600
Subject: [PATCH] Fixed IE8 Issues when textbox is empty and navigation buttons
 are clicked

---
 jquery.datetimepicker.js | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/jquery.datetimepicker.js b/jquery.datetimepicker.js
index 71d23e3..e299a15 100644
--- a/jquery.datetimepicker.js
+++ b/jquery.datetimepicker.js
@@ -791,6 +791,11 @@
 					event.preventDefault();
 				})
 				.on('mousedown.xdsoft', '.xdsoft_option', function (event) {
+
+				  if (_xdsoft_datetime.currentTime === undefined || _xdsoft_datetime.currentTime === null) {
+				    _xdsoft_datetime.currentTime = _xdsoft_datetime.now();
+				  }
+
 					var year = _xdsoft_datetime.currentTime.getFullYear();
 					if (_xdsoft_datetime && _xdsoft_datetime.currentTime) {
 						_xdsoft_datetime.currentTime[$(this).parent().parent().hasClass('xdsoft_monthselect') ? 'setMonth' : 'setFullYear']($(this).data('value'));
@@ -1110,6 +1115,11 @@
 				};
 
 				_this.nextMonth = function () {
+
+				  if (_this.currentTime === undefined || _this.currentTime === null) {
+				    _this.currentTime = _this.now();
+				  }
+
 					var month = _this.currentTime.getMonth() + 1,
 						year;
 					if (month === 12) {
@@ -1140,6 +1150,11 @@
 				};
 
 				_this.prevMonth = function () {
+
+				  if (_this.currentTime === undefined || _this.currentTime === null) {
+				    _this.currentTime = _this.now();
+				  }
+
 					var month = _this.currentTime.getMonth() - 1;
 					if (month === -1) {
 						_this.currentTime.setFullYear(_this.currentTime.getFullYear() - 1);
@@ -1238,7 +1253,7 @@
 						stop = false;
 
 					(function arguments_callee1(v) {
-						var month =  _xdsoft_datetime.currentTime.getMonth();
+						//var month =  _xdsoft_datetime.currentTime.getMonth();
 						if ($this.hasClass(options.next)) {
 							_xdsoft_datetime.nextMonth();
 						} else if ($this.hasClass(options.prev)) {
@@ -1294,7 +1309,12 @@
 				.on('xchange.xdsoft', function (event) {
 					clearTimeout(xchangeTimer);
 					xchangeTimer = setTimeout(function () {
-						var table =	'',
+
+					  if (_xdsoft_datetime.currentTime === undefined || _xdsoft_datetime.currentTime === null) {
+					    _xdsoft_datetime.currentTime = _xdsoft_datetime.now();
+					  }
+
+					  var table =	'',
 							start = new Date(_xdsoft_datetime.currentTime.getFullYear(), _xdsoft_datetime.currentTime.getMonth(), 1, 12, 0, 0),
 							i = 0,
 							j,