Reformatting comp

Hello,
iam tryingto reformat my comp, i booted from disc. it came up with windows setup and 3 options repair, xit without repair and another option but not sure wat it was, well i hit repair option and let it go . it checked files then went onto installing xp. that took bout 37 minutes now it is on the microsoft logo window and ahs been for 2 hours. i am unsure wat to do now at no time did i see any option for partitioning .
i have a hp compaq dx2200 wndows xp. nad using latest IE .any help would be appreciated, :)
im not real comp savy so yeh lol in laymans terms pls:)