Root i want to root my galaxy s i9000

[PSYCO1g]

hello!
i have 2.3.3

Baseband version
i9000JIJV9

kernel:
2.6.35.7-I9000JIJVG-CL788779
se.infra@SEI-46 #2

Build Number:
GINGERBREAD.JIJVG

I want to root my phone to install the rom
SuperNexus 2.0 for i9000
how can i safely root my phone to install this rom ?
can some one give me a tutorial with a good kernel so i can safely install the rom
thanks and please help me

because i cant find nothing that match my kernel and build number and all
please help me