Index: lams_monitoring/web/includes/javascript/monitorLesson5.js
===================================================================
diff -u -r1a86d65e1c3e0253797a97185a97a93be476340e -r10196b1af5f81615329dbf0de64e0ee91bf9ca94
--- lams_monitoring/web/includes/javascript/monitorLesson5.js	(.../monitorLesson5.js)	(revision 1a86d65e1c3e0253797a97185a97a93be476340e)
+++ lams_monitoring/web/includes/javascript/monitorLesson5.js	(.../monitorLesson5.js)	(revision 10196b1af5f81615329dbf0de64e0ee91bf9ca94)
@@ -102,11 +102,11 @@
 				// updatePresenceAvailableCount();
 				if (checked) {
 					$('#imButtonWrapper').show();
-					alert(LABELS.LESSON_PRESENCE_ENABLE_ALERT);
+					showToast(LABELS.LESSON_PRESENCE_ENABLE_ALERT);
 				} else {
 					$('#imButtonWrapper, #openImButton').hide();
 					$('#imButton').prop('checked', false);
-					alert(LABELS.LESSON_PRESENCE_DISABLE_ALERT);
+					showToast(LABELS.LESSON_PRESENCE_DISABLE_ALERT);
 				}
 			}
 		});
@@ -129,10 +129,10 @@
 				if (checked) {
 					$('#openImButton').show();
 					$('#openImButton').prop('disabled', false);
-					alert(LABELS.LESSON_IM_ENABLE_ALERT);
+					showToast(LABELS.LESSON_IM_ENABLE_ALERT);
 				} else {
 					$('#openImButton').hide();
-					alert(LABELS.LESSON_IM_DISABLE_ALERT);
+					showToast(LABELS.LESSON_IM_DISABLE_ALERT);
 				}
 			}
 		});
@@ -261,9 +261,9 @@
 			data : data,
 			success : function() {
 				if (checked) {
-					alert(LABELS.LESSON_ACTIVITY_SCORES_ENABLE_ALERT);
+					showToast(LABELS.LESSON_ACTIVITY_SCORES_ENABLE_ALERT);
 				} else {
-					alert(LABELS.LESSON_ACTIVITY_SCORES_DISABLE_ALERT);
+					showToast(LABELS.LESSON_ACTIVITY_SCORES_DISABLE_ALERT);
 				}
 			}
 		});
@@ -2654,6 +2654,13 @@
 	}
 }
 
+function showToast(text) {
+	let toast = $('#toast-template').clone().attr('id', null).appendTo('#toast-container');
+	toast.find('.toast-body', toast).text(text);
+	toast = new bootstrap.Toast(toast[0]);
+    toast.show();
+}
+
 /**
  * Works as dblclick for mobile devices.
  */
Index: lams_monitoring/web/monitor5.jsp
===================================================================
diff -u -r1a86d65e1c3e0253797a97185a97a93be476340e -r10196b1af5f81615329dbf0de64e0ee91bf9ca94
--- lams_monitoring/web/monitor5.jsp	(.../monitor5.jsp)	(revision 1a86d65e1c3e0253797a97185a97a93be476340e)
+++ lams_monitoring/web/monitor5.jsp	(.../monitor5.jsp)	(revision 10196b1af5f81615329dbf0de64e0ee91bf9ca94)
@@ -618,5 +618,15 @@
               </button>
       </div>
 </div>
+
+<div class="toast-container position-fixed top-0 start-50 translate-middle-x p-3" id="toast-container">
+</div>
+
+<div id="toast-template" class="toast align-items-center bg-white" role="alert" aria-live="assertive" aria-atomic="true">
+	<div class="d-flex">
+		<div class="toast-body"></div>
+		<button type="button" class="btn-close me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
+  	</div>
+</div>
 </body>
 </lams:html>
\ No newline at end of file