FS-5207 use the json version, thanks

htdocs/portal/index.html

@@ -785,8 +785,8 @@
 		socket.onclose = function(){
 			$('#ws-status').html('Socket Disconnected!').css("color", "red");
 			console.log("socket disconnected, fallback to event_sink");
-			// setInterval("App.channelsController.checkEvent()", 2000);
-			setInterval("App.channelsController.checkXMLEvent()", 2000);
+			setInterval("App.channelsController.checkEvent()", 2000);
+			//setInterval("App.channelsController.checkXMLEvent()", 2000);
 		}
 	} catch(exception) {
 		alert('Error' + exception);