Hi all & Help :D

Hi all, this is my first post on the php news groups, and im sure it wont be my last so I will first introduce my self, because im sure there are some regualar posters ;) My name is Anthony.. Im 14 years old and live in england, anything else you want to know ask :) Im working on a FTP uploader in php, but not for my own site, I want to offer it was a service to so over people can upload to there sites using my FTP script... but when you put the destonation (once they have connected) to / it trys to upload to a path in my site.. can any one explain why this is and how to correct it, It would be aprechiated a lot, thanks