I have a domain name (brgames.co.cc) that i have registered from an other website so i want only webhosting from bravenet so i clicked on the link from which we can add our existing domain, i dont remember the name but when i was adding, my computer hung up and i restarted it but when i cliked on domains, under manage domain there was nothing so i tried to register it again but its written there its already taken

Of course the name is already taken, by you.

You can't redirect the domain name from Bravenet as Bravenet have no access to it. You have to go to the company that is managing it for you and follow their instructions for redirecting.

yeah...but i clicked on add an external domain which means that you can add a domain from another registrar