you can just copy the office files and install using the autorun I have office 2003 on my flash drive full of apps and just install it from there anyway
Can you not just copy the I386 folder to a flash drive thats been formatted as a windows boot disc browse to WINNT32 and install it that way?
http://www.bootdisk.com/plan40/hpflash1.zip this might be all you need (you will need a win98 floppy or the files I think)