Index: lams_learning/web/includes/javascript/presence.js
===================================================================
diff -u -r88272da28c18de62ade94eafc89f974ef50c3b29 -r83811002f3d39ce647ddfe30f9371ad10bd499af
--- lams_learning/web/includes/javascript/presence.js	(.../presence.js)	(revision 88272da28c18de62ade94eafc89f974ef50c3b29)
+++ lams_learning/web/includes/javascript/presence.js	(.../presence.js)	(revision 83811002f3d39ce647ddfe30f9371ad10bd499af)
@@ -92,11 +92,11 @@
 	},
 	
 	// init the connection with server using server URL but with different protocol
-	websocket = new WebSocket(APP_URL.replace('http', 'ws') + 'presenceChatWebsocket?lessonID=' + lessonId + 
+	presenceWebsocket = new WebSocket(APP_URL.replace('http', 'ws') + 'presenceChatWebsocket?lessonID=' + lessonId + 
 															   '&imEnabled=' + presenceImEnabled + '&nickname=' + encodeURIComponent(nickname));
 
 // when the server pushes new messages and roster to the learner's browser
-websocket.onmessage = function(e){
+presenceWebsocket.onmessage = function(e){
 	// create JSON object
   var input = JSON.parse(e.data);
   if (input.roster) {
@@ -212,7 +212,7 @@
 		 'to'       : nick
 		};
 	
-	websocket.send(JSON.stringify(data));
+	presenceWebsocket.send(JSON.stringify(data));
 	
 	return tab;
 }
@@ -274,7 +274,7 @@
 		 'message'  : message
 		};
 	
-	websocket.send(JSON.stringify(data));
+	presenceWebsocket.send(JSON.stringify(data));
 }
 
 /* ******* Click handlers ******* */