Fix for default timezone if missing.

Author: harbulot

example-timezone.html

@@ -22,7 +22,7 @@
 <script type="text/javascript">
 $(document).ready(function(){
     $(".timepicktest0").datetimepicker({ dateFormat: $.datepicker.RFC_2822, timeFormat: 'hh:mm' });
-    $(".timepicktest1").datetimepicker({ dateFormat: $.datepicker.RFC_2822, timeFormat: 'hh:mm z', showTimezone: true });
+    $(".timepicktest1").datetimepicker({ dateFormat: $.datepicker.RFC_2822, timeFormat: 'hh:mm z', showTimezone: true, timezone: "+0100" });
     $(".timepicktest2").datetimepicker({ dateFormat: $.datepicker.RFC_2822, timeFormat: 'hh:mm z', showTimezone: true,
 								    timezoneList: [{"value": "+0000", "label": "British Winter Time"}, {"value": "+0100", "label": "British Summer Time"}] });
 });

jquery-ui-timepicker-addon.js

@@ -54,6 +54,7 @@ function Timepicker() {
 		hour: 0,
 		minute: 0,
 		second: 0,
+		timezone: '+0000',
 		hourMin: 0,
 		minuteMin: 0,
 		secondMin: 0,
@@ -409,7 +410,7 @@ $.extend(Timepicker.prototype, {
 						.text(typeof val == "object" ? val.label : val);
 				})
 			);
-			this.timezone_select.val(this.timezone);
+			this.timezone_select.val((typeof this.timezone != "undefined" && this.timezone != null && this.timezone != "") ? this.timezone : o.timezone);
 			this.timezone_select.change(function() {
 				tp_inst._onTimeChange();
 			});