samba - Mar 2007 - Delete permission only for one IP

Hi all,

is it possible to configure samba shares to recognize IP address so eg. 
10.0.0.5 can delete, write to share and all others only read and so 
on.... ( its small local LAN ) i dont have authentification in samba i 
do not wanna to use it cause this is only for 4 pc's ...

So its possible to do it ? ( How ? )

Thanks and best regards
Vladimir