Moves recording button related code to toolbar.js.

app.js

             focus.setEndpointDisplayName(connection.emuc.myroomjid,
                                          nickname);
         }
-        showRecordingButton(false);
+        Toolbar.showRecordingButton(false);
     }
 
     if (focus && config.etherpad_base) {
         if (focus.confid === null) {
             console.log('make new conference with', jid);
             focus.makeConference(Object.keys(connection.emuc.members));
-            showRecordingButton(true);
+            Toolbar.showRecordingButton(true);
         } else {
             console.log('invite', jid, 'into conference');
             focus.addNewParticipant(jid);
 
         if (Object.keys(connection.emuc.members).length > 0) {
             focus.makeConference(Object.keys(connection.emuc.members));
-            showRecordingButton(true);
+            Toolbar.showRecordingButton(true);
         }
         $(document).trigger('focusechanged.muc', [focus]);
     }
             focus.setEndpointDisplayName(connection.emuc.myroomjid,
                                          nickname);
         }
-        showRecordingButton(false);
+        Toolbar.showRecordingButton(false);
     }
     if (connection.emuc.getPrezi(jid)) {
         $(document).trigger('presentationremoved.muc',
     }
 
     var oldState = focus.recordingEnabled;
-    $('#recordButton').toggleClass('active');
+    Toolbar.toggleRecordingButtonState();
     focus.setRecording(!oldState,
                         recordingToken,
                         function (state) {
                             console.log("New recording state: ", state);
                             if (state == oldState) //failed to change, reset the token because it might have been wrong
                             {
-                                $('#recordButton').toggleClass('active');
+                                Toolbar.toggleRecordingButtonState();
                                 setRecordingToken(null);
                             }
                         }
 //    }
 }
 
-function showRecordingButton(show) {
-    if (!config.enableRecording) {
-        return;
-    }
-
-    if (show) {
-        $('#recording').css({display: "inline"});
-    }
-    else {
-        $('#recording').css({display: "none"});
-    }
 
-}
 
 $(document).bind('fatalError.jingle',
     function (event, session, error)

toolbar.js

         }
     };
 
+    // Shows or hides the 'recording' button.
+    my.showRecordingButton = function (show) {
+        if (!config.enableRecording) {
+            return;
+        }
+
+        if (show) {
+            $('#recording').css({display: "inline"});
+        }
+        else {
+            $('#recording').css({display: "none"});
+        }
+    };
+
+    // Toggle the state of the recording button
+    my.toggleRecordingButtonState = function() {
+        $('#recordButton').toggleClass('active');
+    };
+
     return my;
 }(Toolbar || {}));