diff --git a/repository/Grafoscopio/GrafoscopioBrowser.class.st b/repository/Grafoscopio/GrafoscopioBrowser.class.st
index a0abd5a..fd44f36 100644
--- a/repository/Grafoscopio/GrafoscopioBrowser.class.st
+++ b/repository/Grafoscopio/GrafoscopioBrowser.class.st
@@ -122,9 +122,11 @@ GrafoscopioBrowser >> bodyForCodeOn: constructor [
 GrafoscopioBrowser >> bodyForTransmediaIn: constructor for: aNode [
 	"Shows the body of a transmedia type of nodes, which are tagged as 'original' and 'transmediado'"
 	
-	aNode tags = 'original'
-		ifFalse: [^self ]
-		ifTrue: [constructor custom: (self panelTransmediaFor: aNode)]
+	aNode tags notNil
+		ifTrue: [aNode tags = 'original'
+			ifFalse: [^self ]
+			ifTrue: [constructor custom: (self panelTransmediaFor: aNode)]]
+	
 	
 ]
 
@@ -154,7 +156,6 @@ GrafoscopioBrowser >> bodyIn: constructor for: aNode [
 	
 	aNode tags isNil
 		ifFalse: [^self  ].
-			
 	(constructor text)
        title: 'Texto ';
 		 format:[
@@ -247,16 +248,17 @@ browser
     andShow: [:a | self treeOn: a].
 "Creating a self updatable body pane"
 (browser transmit)
-    from: #tree;
+    from: #tree port: #selection;
     to: #nodeBody;
     andShow: [ :a :node | 
 		self bodyIn: a for: node.
 		self bodyForCodeIn: a for: node.
-		self bodyForTransmediaIn: a for: node ].
+		self bodyForTransmediaIn: a for: node ];
+	when: [:selection | selection notNil].
 (browser transmit )
 	 from: #tree port: #selection;
 	 from: #nodeBody port: #text;
-	 when: [:node :text | text notNil];
+	 when: [:node :text | text notNil & node notNil];
 	 to: #nodeBody port: #neverland;
 	 transformed: [:node :text | node body: text asString].
 (browser transmit)
@@ -266,7 +268,7 @@ browser
 (browser transmit )
 	 from: #tree port: #selection;
 	 from: #nodeHeader port: #text;
-	 when: [:node :text | text notNil];
+	 when: [:node :text | text notNil & node notNil];
 	 to: #nodeHeader port: #neverland1;
 	 transformed: [:node :text | node header: text asString]
 ]
@@ -960,24 +962,25 @@ GrafoscopioBrowser >> treeOn: constructor [
 		act: [self addToTagsAvailable] entitled: 'Agregar a disponibles' categorized: 'Etiquetas';
 
 		"For projects"
-		act: [self enableRepository] entitled: 'Activar proyecto local' categorized: 'Proyecto';
-		act: [self messageNotImplementedYet] entitled: 'Activar proyecto remoto' categorized: 'Proyecto';
+		act: [self enableRepository] entitled: 'Activar' categorized: 'Proyecto';
 		act: [self addFileToRepository] entitled: 'Agregar archivo' categorized: 'Proyecto';
 		act: [self messageNotImplementedYet] entitled: 'Eliminar archivo' categorized: 'Proyecto';
 		act: [self repositoryCommit] entitled: 'Enviar al histórico' categorized: 'Proyecto';
 		act: [self repositoryCredentials] entitled: 'Acreditarse' categorized: 'Proyecto';
-		act: [self repositoryCredentials] entitled: 'Sincronizar local y remoto' categorized: 'Proyecto';
-				
+		
+		"For modes"
+		act: [GrafoscopioBrowser new openFromFile: workingFile fullName asFileReference] entitled: 'Predeterminado' categorized: 'Modos';
+		act: [self buildBrowserNamed: workingFile inMode: 'transmedia'] entitled: 'Transmedia' categorized: 'Modos';
+		
 		"For help"
 		act: [self messageNotImplementedYet] entitled: 'Ver como html en línea' categorized: 'Ayuda';
 		act: [self messageNotImplementedYet] entitled: 'Ver como html fuera línea' categorized: 'Ayuda';
 		act: [self messageNotImplementedYet] entitled: 'Ver como árbol en grafoscopio' categorized: 'Ayuda';		
 
 		"For external tools"
-		act: [self messageNotImplementedYet] entitled: 'Instalar' categorized: 'Herramientas externas';
 		act: [self messageNotImplementedYet] entitled: 'Actualizar' categorized: 'Herramientas externas';
 		act: [self configurePandoc] entitled: 'Definir ruta a pandoc' categorized: 'Herramientas externas';
-		act: [self configureFossil] entitled: 'Definir ruta a fossil' categorized: 'Herramientas externas';		
+		act: [self messageNotImplementedYet] entitled: 'Definir ruta a fossil' categorized: 'Herramientas externas';		
 				
 		"For grafoscopio"
 		act: [self updateGrafoscopio] entitled: 'Actualizar' categorized: 'Grafoscopio';