ROFL,we created this macro for just such an occasion....
It reports everyone in the BG AFK if they aren't on your realm. So that way you don't report yourself AFK.

/run for i=1,GetNumRaidMembers()-1 do local unit = "raid"..i local name,realm = UnitName(unit) if(realm) then ReportPlayerIsPVPAFK(name.."-"..realm) end end