This is a concept I developed back in the late 90s when I was doing my PhD. With the maturity of various techniques such as the DOM, scripting and CSS, I think it would time to revive the idea and try again.
Here is the original web which has since disappeared. It is recovered from my backup. However, I did not have time to check through all the links yet. So please let me know if there is any missing link or error.
Specification