Intuitive "Popup" Scrollbars

[Vadim Peretokin]

I gave this a try, and I love it. The normal functionality of clicking
on the scrolling thing and moving it is preserved, along with using
the scrollwheel in the scrollbar, so no usability is lost.

I see this as a really big hit with touchscreen devices also. Being
able to place the finger anywhere on the scrollbar and scrolling
normally. Very nice!