Perfect .. just couple of suggestions Rated 4 out of 5 stars
Just what I wanted. It shows the toolbars that I want when I hover on the top. But why don't you make the appearing disappearing animate slowly instead of making it appear all of a sudden. It is really startling.
One more suggestion is ... give an option to hide the scroll bar. Some people may want the hide the scroll bar and use the arrow keys for navigation.
Hope these suggestions are helpful for further development.