Where do I put code in the following fn for my File New menu using 
Menu resource 1 , and the item number is 1

local fn DoMenu
dim as long menuID, itemID

menuID = menu(_menuID)
itemID = menu(_itemID)

select case( menuID )
case _applemenu
select( itemID )
case 1
FN DoAboutMenu
end select
case 1
select( itemID )
case 2 :  gFBQuit = _zTrue
end select

end select
end fn
menu