Restore GRUB settings after Windows XP re-installation

my winxp screwed up. need to do fresh re-install. post installation, winxp wipes GRUB settings at MBR - so i need to restore it back.


thx to this link..

http://themoth.wordpress.com/2009/03/25/reinstall-grub-after-windows-install-on-dual-boot-system/