Getting a new WiFi board fitted in iBook (1.33Ghz)

[Chrismcfall]

Would Apple charge a lot to fit a replacement wifi card in my iBook? (its the one where it isnt under the keyboard, its on a board with the bluetooth)

[Chrismcfall]

is http://cgi.ebay.co.uk/A1127-BLUETOOTH-AIRPORT-IMAC-G5-IBOOK-G4-WIFI-CARD_W0QQitemZ260355501013QQcmdZViewItemQQptZUK_Computing_Apple_Mac_Accessories?hash=item26035550101 3&_trksid=p3286.c0.m14&_trkparms=72%3A1683%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318#ebayphotohosting what i would need?
Thanks :)