Originally posted by Golub
Think it would be alot simpler if the site supported it
Switch to Firefox! You'll be a lot happier.
But seriously though, I'm sure that Russ has a lot of change requests and it is all a matter of priorities. I think that it would make sense for Russ to focus on server-side improvements to make the site better rather than waste time developing features that can be accomplished on the client-side quite easily.
And, who can say how difficult a change like the one you propose would be. I've done a fair amount of coding in my life and things that seem easy can turn out to be much more involved. For instance, what if everyone doesn't like the bigger notebook window? Should there be a preference? How does it affect the layout of the games window and the information box in the various board formats? Etc.