Index: lams_central/web/includes/javascript/main.js
===================================================================
RCS file: /usr/local/cvsroot/lams_central/web/includes/javascript/Attic/main.js,v
diff -u -r1.1.2.24 -r1.1.2.25
--- lams_central/web/includes/javascript/main.js	9 Feb 2017 17:45:44 -0000	1.1.2.24
+++ lams_central/web/includes/javascript/main.js	18 Feb 2017 16:22:22 -0000	1.1.2.25
@@ -446,6 +446,13 @@
 		},
 		success : function(count) {
 			$('#notificationsPendingCount').text(count == 0 ? '0' : count);
+			
+			//#notificationsPendingCount will have .btn-primary class when there are some messages available and .btn-default otherwise
+			if (count == 0) {
+				$('#notificationsPendingCount').removeClass("btn-primary").addClass("btn-default");
+			} else {
+				$('#notificationsPendingCount').removeClass("btn-default").addClass("btn-primary");
+			}
 		}
 	});
 }