fitting a new brass switch

[jpuk]

i need some help please fitting a new brass single switch it also controls the landing light,at present the old white switch has L1 grey,L2 brown and black common,on the brass switch it has 2 blue and 2 brown terminals so not sure if it can or how to wire it,thanks in advance,put a couple of pics in my album,jpuk

 

[ricicle]

I'm afraid you have bought the wrong switch. You have got a 20A double pole switch. You require a 1 gang 2 way switch.