How to change boot sequence between Windows and Linux

This is an outdated page. The future version will contain Grub.
Switching from Lilo to NTFS boot loader
Login as root and edit /etc/lilo.conf:

su
emacs /etc/lilo.conf

If you use any other editor, use it instead of emacs.
Insert the line

default=windows

First make sure you have the following lines in your lilo.conf

other = /dev/hda1
label = windows

After that, effect the changes by entering:

lilo

That should set Windows as the default boot loader and start Windows by default.