try this

http://members.shaw.ca/stuartblack/vwprojec.htm

At 10:59 AM 3/1/2003 -0500, Kevin Carrubba wrote:
>Hi Everyone,
>Well looking to add a pop top to my new vanagon I have noticed the
>differences in the roofs and wonder if I'm not going to use the upper bed
>just want ventalation and storage. Do I need to fabricate the flat bars on
>the sides of the roof for support and so the hindges close properly or can
>that stay rounded?  Or am I better off getting a whole roof and graffing in
>from just above the gutters.  I'm trying to avoid any paint work because the
>van was just painted last summer.
>Thanks
>Kevin
>80 Westy
>81 Vanagon