diff --git a/alliance/src/graal/src/GMC_dialog.c b/alliance/src/graal/src/GMC_dialog.c
index 2538f03e..ba2c6239 100644
--- a/alliance/src/graal/src/GMC_dialog.c
+++ b/alliance/src/graal/src/GMC_dialog.c
@@ -160,7 +160,7 @@
   GraalDialogItem GraalChangeTransistorWidthDialog =
 
   {
-    "Transistor width",
+    "Transistor length",
     GRAAL_DIALOG_PROMPT,
     (Widget)NULL,
     (void *)CallbackChangeTransistorWidthOk,
@@ -487,7 +487,7 @@ void CallbackChangeTransistorWidthOk( MyWidget, ClientData, CallData )
     }
     else
     {   
-      GraalErrorMessage( GraalMainWindow, "Incorrect transistor width !" );
+      GraalErrorMessage( GraalMainWindow, "Incorrect transistor length!" );
     }
 
     if ( GraalTransistorWire == GRAAL_FALSE ) 
diff --git a/alliance/src/graal/src/GME_dialog.c b/alliance/src/graal/src/GME_dialog.c
index d09896ce..cae8f2db 100644
--- a/alliance/src/graal/src/GME_dialog.c
+++ b/alliance/src/graal/src/GME_dialog.c
@@ -219,7 +219,7 @@
   GraalDialogItem GraalModifyTransistorWidthDialog =
 
   {
-    "Transistor width",
+    "Transistor length",
     GRAAL_DIALOG_PROMPT,
     (Widget)NULL,
     (void *)CallbackModifyTransistorWidthOk,
@@ -569,7 +569,7 @@ void CallbackModifyTransistorWidthOk( MyWidget, ClientData, CallData )
     }
     else
     {   
-      GraalErrorMessage( GraalMainWindow, "Incorrect transistor width !" );
+      GraalErrorMessage( GraalMainWindow, "Incorrect transistor length!" );
     }
 
     GraalPromptModifyTransistor();
diff --git a/alliance/src/graal/src/GMX_event.c b/alliance/src/graal/src/GMX_event.c
index 3058387a..e47adc07 100644
--- a/alliance/src/graal/src/GMX_event.c
+++ b/alliance/src/graal/src/GMX_event.c
@@ -96,7 +96,9 @@
      <EnterWindow>:   CallbackEvent(  3 )\n\
      <LeaveWindow>:   CallbackEvent(  4 )\n\
      <Key>osfUp:      CallbackEvent(  5 )\n\
+     <Btn4Down>:      CallbackEvent(  5 )\n\
      <Key>osfDown:    CallbackEvent(  6 )\n\
+     <Btn5Down>:      CallbackEvent(  6 )\n\
      <Key>osfLeft:    CallbackEvent(  7 )\n\
      <Key>osfRight:   CallbackEvent(  8 )\n\
      <Key>Z:          CallbackEvent(  9 )\n\