partial fix for issue #123 - this doesn't actually fix the reported problem, but does instantly reset the notification count when you click 'mark all xyz notifications seen'

js/main.js

@@ -98,6 +98,7 @@
   function markRead(notifType) {
 	$.get('ping?f=&markRead='+notifType);
 	if(timer) clearTimeout(timer);
+	$('#' + notifType + '-update').html('');
 	timer = setTimeout(NavUpdate,2000);
   }