interchangable

Am I right in thinking that the interior (seats) from a mk4 golf, fit into a Seat Leon (LC)? Or is it the Mk3? Also, anyone could tell me if the centre rear seatbelt, is actually inbuilt into the back of the seat - like on the LC? Or is it separate like the left and right seatbelts...

Dont know where to put this...... But do Toledo Roof Bars fit the Leon?? and visa versa//// Part number 1m5071126 - Toldeo & 1m6071126 for the leon//