diff --git a/src/include/allbar.h b/src/include/allbar.h
new file mode 100644
index 000000000..d8ffd86fe
--- /dev/null
+++ b/src/include/allbar.h
@@ -0,0 +1,8 @@
+BUTTON DLG_ALL 2 2
+BEGIN
+  PROMPT 1 1 "~Tutti"
+	PICTURE TOOL_MULTISEL
+END
+
+#include <elabar.h>
+
diff --git a/src/include/defmask.h b/src/include/defmask.h
index 7d0ba4fc3..7d53c8a3a 100755
--- a/src/include/defmask.h
+++ b/src/include/defmask.h
@@ -49,6 +49,7 @@
 #define DLG_COPY     45 /* TAG del bottone copia */
 #define DLG_PASTE    46 /* TAG del bottone incolla */
 #define DLG_BARCODE_TYPE 47 /* TAG del tipo codice a barre */
+#define DLG_ALL			 48 /* TAG del bottone Tutti */
 
 #define DLG_USER    100 /* TAG del primo controllo definito dall'utente */
           
diff --git a/src/include/maskfld.cpp b/src/include/maskfld.cpp
index c8941bce6..e65344704 100755
--- a/src/include/maskfld.cpp
+++ b/src/include/maskfld.cpp
@@ -1373,6 +1373,11 @@ void TButton_field::create(WINDOW parent)
       _ctl_data._bmp_up = BMP_SELECT;
     _exit_key = K_ENTER;
     break;
+  case DLG_ALL:
+    if (_ctl_data._bmp_up <= 0)
+      _ctl_data._bmp_up = BMP_SELECT;
+    _virtual_key = K_CTRL + 'T';
+    break;
   default:
     break;
   }
diff --git a/src/include/strings.h b/src/include/strings.h
index 47fa0d0ca..725ef8ff6 100755
--- a/src/include/strings.h
+++ b/src/include/strings.h
@@ -189,6 +189,9 @@ public:
   // @cmember Tronca la stringa alla posizione n-esima.
   TString& cut(int n);
   
+  // @cmember Svouta la stringa.
+	TString& zap() { return cut(0); }
+
   // @cmember Ritorna il buffer interno della stringa (usare con attenzione!)
   char* get_buffer(int min_size = -1);
 
diff --git a/src/include/toolfld.cpp b/src/include/toolfld.cpp
index 583551059..24ff091ab 100755
--- a/src/include/toolfld.cpp
+++ b/src/include/toolfld.cpp
@@ -131,6 +131,12 @@ void TButton_tool::create(WINDOW toolbar)
       _ctl_data._bmp_up = TOOL_MULTISEL;
     set_exit_key(K_ENTER);
     break;
+  case DLG_ALL:
+    if (_ctl_data._bmp_up <= 0)
+      _ctl_data._bmp_up = TOOL_MULTISEL;
+    _virtual_key = K_CTRL + 'T';
+    break;
+
   case DLG_HELP: 
     if (_ctl_data._prompt.blank())
       _ctl_data._prompt = TR("Help");