Problem in installing postgreSQL in silent mode

Hello,

I would like to install postgreSQL in silent mode.I have gone through the link  http://pginstaller.projects.postgresql.org/silent.html and got to know the options to install it but i am not successful. I have tried the following command with lot of options.

msiexec
/i "Z:\postgresql\postgresql-8.3.msi" /log "c:\result.txt" /quiet
INTERNALLAUNCH=1 DOINITDB=1 DOSERVICE=1 ADDLOCAL=server,psql,pgadmin
SERVICEDOMAIN="%COMPUTERNAME% SERVICENAME="PostgreSQL Database Server
8.2" LISTENPORT=5432 SERVICEACCOUNT="postgres" SERVICEPASSWORD="hello"
SUPERUSER="12hello6" SUPERPASSWORD="12hello655" BASEDIR="c:\postgres"
TRANSFORMS=:lang_de

when i execute this script ,,it opens the help screen how to use it.

and when i use the following options.
msiexec
/i "Z:\InstallJimmer\postgresql\postgresql-8.3.msi"  /log
"c:\result.txt" /qr INTERNALLAUNCH=1 ADDLOCAL=server,psql,docs
SERVICEDOMAIN="%COMPUTERNAME%"
SERVICEPASSWORD="SecretWindowsPassword123" SUPERPASSWORD="VerySecret"
BASEDIR="c:\postgres" TRANSFORMS=:lang_de
it
says..the transform path is not correct..correct it and if i remove the
transform path (TRANSFORMS=:lang_de) it starts installing in GUI
mode.but dont replace the options value which i supply in command.
I dont understand whats wrong with tha options. It never installs in quiet mode.

Please assist in this case.

Regards,
Aanmika