diff --git a/ba/ba0100.cpp b/ba/ba0100.cpp
index 2a020dd7c..d1e8380e9 100755
--- a/ba/ba0100.cpp
+++ b/ba/ba0100.cpp
@@ -89,6 +89,7 @@ protected:
   bool copy_setup(const TString& remote_path);
 
 public:
+  TTree_field& tree_field() const;
   void select_tree_current();
   static bool tree_find_handler(TMask_field& f, KEY k);
   static bool tree_shrink_handler(TMask_field& f, KEY k);
@@ -150,7 +151,7 @@ void TPicture_mask::update()
 
 		if (tree_view)  // TreeView == 1
 		{
-			RCT rctree; field(DLG_TREE).get_rect(rctree);
+			RCT rctree; tfield(DLG_TREE).get_rect(rctree);
 
 			const int maxx = client.right - rctree.right - 2 * CHARX;
 			const int maxy = client.bottom - 10 * ROWY;
@@ -224,6 +225,7 @@ bool TPicture_mask::on_key(KEY k)
   case K_F8:
     set(DLG_USER, app().main_menu().last_search_string(), true); 
     return true;
+/* Obsoleto coi nuovi alberi
   case K_ENTER:
   case K_UP:
   case K_DOWN:
@@ -235,6 +237,7 @@ bool TPicture_mask::on_key(KEY k)
       return tf.win().on_key(k);
     }
     break;
+*/
   default: 
     break;
   }
@@ -840,7 +843,6 @@ int TMenu_application::do_level()
   const TSubmenu& curr = _menu.current();
   const int bwidth = 20;
   
-  //TPicture_mask mask(curr.caption(), -4, -4, curr);
   TPicture_mask mask(curr.caption(), 0, 0, curr, 0, 0);
   CHECK(_mask == NULL, "Two masks are better than one?");
   _mask = &mask;
@@ -1704,9 +1706,15 @@ bool TMenu_application::tree_handler(TMask_field& f, KEY k)
   return true;
 }
 
+TTree_field& TMenu_application::tree_field() const
+{
+  CHECK(_tree_view > 0, "No menu tree");
+  return _mask->tfield(_tree_view == 3 ? 101 : 301);
+}
+
 void TMenu_application::select_tree_current()
 {
-  TTree_field& tf = _mask->tfield(DLG_TREE);
+  TTree_field& tf = tree_field();
 	synchronize_tree_field(tf);
   tf.set_focus();
 }
@@ -1716,7 +1724,7 @@ bool TMenu_application::tree_find_handler(TMask_field&f, KEY k)
   if (k == K_TAB && f.focusdirty() && !f.empty())
   {
     const TString& v = f.get();
-    TTree_field& tf = f.mask().tfield(DLG_TREE);
+    TTree_field& tf = app().tree_field();
     TMenu_tree& mt = *(TMenu_tree*)tf.tree();
     if (mt.find_string(v))
       app().select_tree_current();
@@ -1730,7 +1738,7 @@ bool TMenu_application::tree_shrink_handler(TMask_field&f, KEY k)
 {
   if (k == K_SPACE)
   {
-    TTree_field& tf = f.mask().tfield(DLG_TREE);
+    TTree_field& tf = app().tree_field();
     TMenu_tree& mt = (TMenu_tree&)*tf.tree();
     mt.shrink_all();
     mt.goto_root();
@@ -1836,39 +1844,20 @@ void TMenu_application::save_preferences()
   for (i = 0; i < _preferred.items(); i++)
     cfg.set("Preferred", _preferred.row(i), NULL, true, i);
   cfg.set("Preferred", "", NULL, true, i);
-
-  cfg.set("TreeView", _tree_view, "Colors");
 }
 
 void TMenu_application::add_to_preferred()
 {   
-  const int maxpref = 16;
-	
 	if (_mask == NULL)  // Succede durante il login!
 		return;
 
-  if (_preferred.items() < maxpref)
+  if (_preferred.items() < 16) // Massimo numero di preferiti
   {
     TToken_string tok;
 
     switch (_tree_view)
     {
-    case 1:
-      {                  
-        TTree_field& tf = _mask->tfield(DLG_TREE);            
-        tf.goto_selected();
-        tf.tree()->get_description(tok);
-        TString id; tf.tree()->curr_id(id);
-        tok.add(id);
-      }  
-      break;
-    case 2:
-      {
-     		TMenulist_field& mf = (TMenulist_field&)_mask->field(DLG_LIST);
-        mf.curr_item(tok);
-      }
-      break;
-    default:
+    case 0:
       {                       
         const TMask_field& butt = _mask->focus_field();
         const int index = butt.dlg() - 101;
@@ -1881,6 +1870,21 @@ void TMenu_application::add_to_preferred()
         }  
       }
       break;
+    case 2:
+      {
+     		TMenulist_field& mf = (TMenulist_field&)_mask->field(DLG_LIST);
+        mf.curr_item(tok);
+      }
+      break;
+    default:
+      {     
+        TTree_field& tf = tree_field();            
+        tf.goto_selected();
+        tf.tree()->get_description(tok);
+        TString id; tf.tree()->curr_id(id);
+        tok.add(id);
+      }  
+      break;
     }
     if (tok.full() && _preferred.find(tok) < 0)
     {
@@ -1890,7 +1894,7 @@ void TMenu_application::add_to_preferred()
     }
   }
   else
-    error_box(TR("Non e' possibile memorizzare piu' di %d preferenze"), maxpref);  
+    error_box(TR("Non e' possibile memorizzare piu' di %d preferenze"), _preferred.items());  
 }
 
 class TPreferred_mask : public TAutomask
@@ -1900,7 +1904,6 @@ protected:
     
 public:
   TPreferred_mask() : TAutomask("ba0400a") { }
-  virtual ~TPreferred_mask() { }
 };
 
 bool TPreferred_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
@@ -2079,10 +2082,14 @@ bool TMenu_application::menu(MENU_TAG mt)
       TToken_string node(_preferred.row(index).get(1), '/');
       if (_tree_view != 0)
       {
-        TMenu_tree& met = *(TMenu_tree*)_mask->tfield(DLG_TREE).tree();            
+        TMenu_tree& met = *(TMenu_tree*)tree_field().tree();            
         ok = node.items() == 1 ? met.find_leaf(node) : met.goto_node(node);
         if (ok)
+        {
           select_tree_current();
+          if (met.curr_item().is_program())
+            tree_field().on_key(K_CTRL+K_SPACE); // Esegue subito il programma
+        }
       }
       else
       {
@@ -2096,7 +2103,8 @@ bool TMenu_application::menu(MENU_TAG mt)
           _mask->stop_run(K_CTRL + 'R');
         }
       }
-      if (!ok) beep();
+      if (!ok) 
+        beep();
     }
     break;
   }