WM (Window Menu) Menu Bar
File id	$00	12	File id
Level id	$04	17	Level id
Not used	$08	1018	Not used
Unknown	$1A	2	Unknown
Packages	$1C	4	Amount of packages that follow

*Package		$20	$1C	4	4
WMM_-link	$00	12	Link to the Window Menu