Looking for a DIY on how to completely strip/hollow out the doors of an EG like how BYP (and surely others) did for their race car, with the windows being fixed and unable to be wound up and down.

My doors currently look like this
Click image for larger version. 

Name:	20120504_134607.jpg 
Views:	301 
Size:	126.2 KB 
ID:	23114

and I basically want to get rid of that entire panel, all the power window system and the window itself and put a fixed plastic or whatever light material window. All I really need from the door is that it opens and closes, and hopefully water doesn't get in!

Cheers