Miamacs - 12:33 am on Mar 22, 2007 (gmt 0)

(...) i have two identical sites one a .com the other a .co.uk (...)

Is one redirected to the other?
Or did you mean identical as in identical layout/design/structure?
Surely you didn't mean identical by all means did you?

If you meant that literally, then don't be surprised whatever happens.