diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/TabsRegistry.java b/ganttzk/src/main/java/org/zkoss/ganttz/TabsRegistry.java
index c00635059..79b4b9563 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/TabsRegistry.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/TabsRegistry.java
@@ -64,6 +64,12 @@ public class TabsRegistry {
         }
     }
 
+    public void toggleVisibilityTo(ITab tab, boolean visible) {
+        if (fromTabToMenuKey.containsKey(tab)) {
+            menu.toggleVisibilityTo(fromTabToMenuKey.get(tab), visible);
+        }
+    }
+
     private void activateMenuIfRegistered(ITab tab) {
         if (fromTabToMenuKey.containsKey(tab)) {
             menu.activateMenuItem(fromTabToMenuKey.get(tab));
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/util/IMenuItemsRegister.java b/ganttzk/src/main/java/org/zkoss/ganttz/util/IMenuItemsRegister.java
index fbd6148ba..f75272d08 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/util/IMenuItemsRegister.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/util/IMenuItemsRegister.java
@@ -32,4 +32,6 @@ public interface IMenuItemsRegister {
 
     public void renameMenuItem(Object key, String name);
 
+    public void toggleVisibilityTo(Object key, boolean visible);
+
 }
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/common/CustomMenuController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/common/CustomMenuController.java
index 9c24f98b1..d0c4c3731 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/common/CustomMenuController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/common/CustomMenuController.java
@@ -235,6 +235,13 @@ public class CustomMenuController extends Div implements IMenuItemsRegister {
         button.setLabel(name);
     }
 
+    @Override
+    public void toggleVisibilityTo(Object key, boolean visible) {
+        Button button = (Button) key;
+        button.setVisible(visible);
+        button.getNextSibling().setVisible(visible);
+    }
+
     private void setSelectClass(final Button button) {
         button.setSclass("sub_menu_active");
     }