No, please be very careful otherwise you are going to over-write or damage your XP. It seems maybe that you other guys might not have installed this. I know a fair amount about linux, and this is not a very friendly install as it will throw you to gparted (a partition editor) - dangerous unless you know what you are doing.
Please read this blog I found, which highlights this and other issues concerning Mint Debian:-
http://mylinuxramblings.wordpress.com/2010/11/02/linux-mint-debian-edition-lmde-first-impressions-2/Personally, I would try one of the Mint 13 versions, such as the Cinnamon or Mate varieties. These are much more user friendly and I have easily installed it alongside Windows 7.
Have fun...