Scilab Function
    Last update : 23/10/2007
    
      unsetmenu -  interactive button or menu or submenu de-activation
    
      Calling Sequence
    
    
      - 
        unsetmenu(button,[nsub])   
      
- 
        unsetmenu(gwin,button,[nsub])  
      
      Parameters
    
    
      - 
        
          button
        : a character string. The button name
- 
        
          gwin
        : integer. The number of graphic window where the button is installed
- 
        
          nsub
        : integer. The number of submenu to de-activate (if any). If button has no sub-menu, 
          nsub
         is ignored
      Description
    
    
    The function allows the user to desactivate  buttons or menus created by
    
        addmenu
       in the main or graphics windows command panels.
    
      Examples
    
    
//addmenu('foo')
//unsetmenu('foo')
//unsetmenu('File',2)
 
  
    
      See Also
    
    
      
        
          delmenu
        
      ,  
        
          setmenu
        
      ,  
        
          addmenu
        
      ,