Need help finding window

The Gonzis

Hi all,  

 After two short outings , we are fairly new to the club and caravaning, we bought a Challenger 490SE LUX 1994 so we can go on hols with our disabled son, it came without owners manual, A couple of nights ago, somebody vandalised our van , parked outside our home, the animals (to think of a better word) threw a huge ppiece of concret through tha main nearside slanted window. We need to find a replacement, could anybody tell me please if it is an exact replica to the offside one? with the slant in opposite sides that is. and mor importantly, does anybody know the exact dimensions? and where to find a replacement?

thanking you in advance

The gonzis