diff --git a/include/controls.cpp b/include/controls.cpp
index 97ce1bd31..4cfe7d3e3 100755
--- a/include/controls.cpp
+++ b/include/controls.cpp
@@ -1088,6 +1088,16 @@ void TControl::set_caption(const char* c)
   xi_set_text(_obj, (char*)c);
 }
 
+void TControl::destroy()
+{
+  if (_obj != NULL)
+  {
+    xi_delete(_obj);
+    _obj = NULL;
+  }
+}
+
+
 ///////////////////////////////////////////////////////////
 // TText
 ///////////////////////////////////////////////////////////
diff --git a/include/controls.h b/include/controls.h
index 1c393ef09..1896ca39b 100755
--- a/include/controls.h
+++ b/include/controls.h
@@ -99,6 +99,8 @@ public:
   virtual void show(bool on = TRUE);
   void hide() { show(FALSE); }
 
+  virtual void destroy();
+
   virtual void set_rjust(bool on = TRUE);
   void set_ljust() { set_rjust(FALSE); }
   
diff --git a/include/date.cpp b/include/date.cpp
index 1b936016c..2512eb761 100755
--- a/include/date.cpp
+++ b/include/date.cpp
@@ -377,21 +377,23 @@ int TDate::week() const
 
 bool TDate::is_holiday() const
 {
-	bool holiday = wday() > 5;
+	bool holiday = wday() > 5;   // Week-end
 	if (!holiday)
 	{
 		const int d = day();
 		const int m = month();
-		
-		if ((m == 1) && ((d == 1) || (d == 6)))
+		 
+		if ((m == 1) && ((d == 1) || (d == 6)))  // Capodanno ed Epifania
 			return true;
-		if ((m == 4) && (d == 25))
+		if ((m == 4) && (d == 25)) // Liberazione
 			return true;
-		if ((m == 5) && (d == 1))
+		if ((m == 5) && (d == 1))  // Festa dei Lavoratori
 			return true;
-		if ((m == 8) && (d == 15))
+		if ((m == 6) && (d == 2))  // Festa della Repubblica
 			return true;
-		if ((m == 11) && (d == 1))
+		if ((m == 8) && (d == 15)) // Ferragosto 
+			return true;
+		if ((m == 11) && (d == 1)) // Ognissanti
 			return true;
 		if ((m == 12) && ((d == 8) || (d == 25) || (d == 26)))
 			return true;
diff --git a/include/mask.cpp b/include/mask.cpp
index dbdf1dc8e..599c10ddd 100755
--- a/include/mask.cpp
+++ b/include/mask.cpp
@@ -1088,7 +1088,10 @@ WINDOW TMask::insert_page(const char* title, int where)
     {
       TMask_field& tag = fld(i);
       if (tag.dlg() >= DLG_PAGETAGS)
+      {
+        tag.destroy();
         _field.destroy(i);
+      }
       else
         break;
     }
diff --git a/include/maskfld.cpp b/include/maskfld.cpp
index aa2fe02e1..07582abe5 100755
--- a/include/maskfld.cpp
+++ b/include/maskfld.cpp
@@ -309,6 +309,11 @@ void TMask_field::construct(TScanner& scanner, WINDOW parent)
   create(parent);
 }
 
+void TMask_field::destroy()
+{
+  _ctl->destroy();
+}
+
 void TMask_field::set_group(byte group) 
 { 
   if (_groups == NULL) 
diff --git a/include/maskfld.h b/include/maskfld.h
index e0cc61c39..3cc1ab4a6 100755
--- a/include/maskfld.h
+++ b/include/maskfld.h
@@ -130,6 +130,7 @@ protected:
 
   // @cmember Costruisce il campo con i suoi parametri
   void construct(short id, const char* prompt, int x, int y, int len, WINDOW parent, const char* flags = "", int width = 0);
+  void destroy();
 
   // @cmember Legge la testata del controllo dal file .msk <p scanner>
   virtual void parse_head(TScanner& scanner);