Replace setDate(date) & setMonth(month) with setMonth(month, date)

portlets/calendar-portlet/docroot/js/components.js

@@ -1583,8 +1583,7 @@
 
 							var endDate = instance._endDate;
 
-							endDate.setDate(endDateObj.getDate());
-							endDate.setMonth(endDateObj.getMonth());
+							endDate.setMonth(endDateObj.getMonth(), endDateObj.getDate());
 							endDate.setYear(endDateObj.getFullYear());
 						},
 
@@ -1618,8 +1617,7 @@
 
 							var startDate = instance._startDate;
 
-							startDate.setDate(startDateObj.getDate());
-							startDate.setMonth(startDateObj.getMonth());
+							startDate.setMonth(startDateObj.getMonth(), startDateObj.getDate());
 							startDate.setYear(startDateObj.getFullYear());
 						},