one file's owner for multiple nib files

FROM : Karim Morsy
DATE : Thu Jun 08 20:49:38 2006

Hi,

if  a single instance is the files owner for multiple nib files it 
gets sent awakeFromNib each time one of the nibs is loaded.
how can I determine in awakeFromNib which nib file this method was 
called for ?

thanks,
Karim