Index: lams_monitoring/conf/language/lams/ApplicationResources.properties
===================================================================
diff -u -r89426e554d24b9cf780d98d52dad3906dd9b756b -rf992a141ad8dac72d1db43fbe4a7ed460a093dd0
--- lams_monitoring/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 89426e554d24b9cf780d98d52dad3906dd9b756b)
+++ lams_monitoring/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision f992a141ad8dac72d1db43fbe4a7ed460a093dd0)
@@ -227,6 +227,7 @@
 lesson.enable.presence  =Allow learners to see who is online
 lesson.enable.presence.alert  =Now learners can see who is online
 lesson.disable.presence.alert  =Now learners can not see who is online
+lesson.presence.count=online learners
 lesson.enable.im  =Enable Instant Messaging
 lesson.enable.im.alert  =Instant Messaging is now enabled
 lesson.disable.im.alert  =Instant Messaging is now disabled
Index: lams_monitoring/web/css/monitorLesson.css
===================================================================
diff -u -r1edbb81f16cedfcc1326e4eca6e520b5b48cbddc -rf992a141ad8dac72d1db43fbe4a7ed460a093dd0
--- lams_monitoring/web/css/monitorLesson.css	(.../monitorLesson.css)	(revision 1edbb81f16cedfcc1326e4eca6e520b5b48cbddc)
+++ lams_monitoring/web/css/monitorLesson.css	(.../monitorLesson.css)	(revision f992a141ad8dac72d1db43fbe4a7ed460a093dd0)
@@ -126,7 +126,7 @@
 	width: 114px;
 }
 
-#lessonStartDateCell * {
+#lessonStartDateCell *, #presenceAvailableCount {
 	display: none;
 }
 
@@ -161,6 +161,7 @@
 	width: 100%;
 }
 
+
 /********** SEQUENCE TAB STYLES **********/
 div#sequenceCanvas {
 	text-align: center;
Index: lams_monitoring/web/includes/javascript/monitorLesson.js
===================================================================
diff -u -rd5344d249f8bfdf896133c191bc7892c151f506c -rf992a141ad8dac72d1db43fbe4a7ed460a093dd0
--- lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision d5344d249f8bfdf896133c191bc7892c151f506c)
+++ lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision f992a141ad8dac72d1db43fbe4a7ed460a093dd0)
@@ -62,6 +62,8 @@
 				'lessonID'      : lessonId
 			},
 			success : function() {
+				updatePresenceAvailableCount();
+				
 				if (checked) {
 					$('#imAvailableField').attr('disabled', null);
 					alert(LESSON_PRESENCE_ENABLE_ALERT_LABEL);
@@ -343,6 +345,8 @@
 			}
 		}
 	});
+	
+	updatePresenceAvailableCount();
 }
 
 
@@ -420,6 +424,30 @@
 	$('#emailDialog').dialog('close');
 }
 
+
+function updatePresenceAvailableCount(){
+	var checked = $('#presenceAvailableField').is(':checked');
+	var counter = $('#presenceAvailableCount');
+	if (checked) {
+		$.ajax({
+			dataType : 'json',
+			url : LAMS_URL + 'PresenceChat.do',
+			cache : false,
+			data : {
+				'method'    : 'getChatContent',
+				'lessonID'      : lessonId
+			},
+			success : function(result) {
+				$('span', counter).text(result.roster.length);
+				counter.css('display', null);
+			}
+		});
+
+	} else {
+		counter.css('display', 'none');
+	}
+}
+
 //********** SEQUENCE TAB FUNCTIONS **********
 
 /**
Index: lams_monitoring/web/monitor.jsp
===================================================================
diff -u -r67dfbf3258ae491f495d918b8c397819ffed018f -rf992a141ad8dac72d1db43fbe4a7ed460a093dd0
--- lams_monitoring/web/monitor.jsp	(.../monitor.jsp)	(revision 67dfbf3258ae491f495d918b8c397819ffed018f)
+++ lams_monitoring/web/monitor.jsp	(.../monitor.jsp)	(revision f992a141ad8dac72d1db43fbe4a7ed460a093dd0)
@@ -233,7 +233,11 @@
 						<c:if test="${lesson.learnerPresenceAvailable}">
 							checked="checked"
 						</c:if> 
-					/><fmt:message key="lesson.enable.presence"/><br />
+					/><fmt:message key="lesson.enable.presence"/>
+					<span id="presenceAvailableCount">(<span>0</span>
+						<fmt:message key="lesson.presence.count"/>)
+					</span>
+					<br />
 					<input type="checkbox" id="imAvailableField"
 						<c:if test="${not lesson.learnerPresenceAvailable}">
 							disabled="disabled"