Boot camp refusing to continue with setup

[FiEnDsTeR]

I have been trying to run boot camp setup to install Windows XP, but an error message saying: The startup disk cannot be partitionerd or restored to a single partition, appears refusing me to continue with the setup. Here are two screenshots of the setup and error:
http:///arunaurl.com/2f9f
http:///arunaurl.com/2f9g