Hi,
I still think L shaped brackets on either side and a bar of wood would be your best bet in the short term. :gj:
Kind of like this but prettier. :giggle:
http://www.brandi.org/photos/leonard...r_the_door.jpg
If you set it so that the bar stradles the joint between the glass and the top of the door hole (technical term :oops: ) it could be made to look quite natural.
dr del