Re: layers

[Gervase Markham]

> 3. It might be possible to simulate layers using a JS (+XBL?)
>     ``includes'' that site authors could reference as a
>     transition strategy. (Or that get automatically pulled in
>     when Moz runs in some ``compatibility mode''.)

This has been done already. I came across it the other day. 
http://www.geckonnection.com/layer/

Gerv