how to upgrade from potato to woody

[Peter Jay Salzman <p@belial.ucdavis.edu>]

dear all,

i'd really like to use xfree86 4.0; i might as well just upgrade the whole
system to woody.

can someone please tell me how to use apt-get to change my potato to a
woody?   if it makes a difference, my sources.list file is:

deb cdrom:[Debian GNU/Linux 2.2 r0 _Potato_ - Official i386 Binary-3 (20000814)]/ unstable contrib main non-US/contrib non-US/main
deb cdrom:[Debian GNU/Linux 2.2 r0 _Potato_ - Official i386 Binary-2 (20000814)]/ unstable contrib main non-US/contrib non-US/main
deb cdrom:[Debian GNU/Linux 2.2 r0 _Potato_ - Official i386 Binary-1 (20000814)]/ unstable contrib main non-US/contrib non-US/main

deb ftp://ftp.ca.debian.org/debian/ potato main non-free contrib
deb-src ftp://ftp.ca.debian.org/debian/ potato main non-free contrib
deb http://non-us.debian.org/debian-non-US potato/non-US main contrib non-free
deb-src http://non-us.debian.org/debian-non-US potato/non-US main contrib non-free

thanks; i really appreciate it!

pete

ps- i downloaded and compiled my own kernel 2.4.0.  will that screw things
up?