Scroll Progress Indicator

I was just reading an article about tests on scroll progress indicators and how most users didn't even notice the little dots and pie charts and percentage bubbles that they tested, but then a commenter posted this link to an amazing scroll progress/location on page indicator and I thought I'd share in case there was a way of integrating this into this module (as an option of course):
http://www.paris.fr/services-et-infos-pratiques/culture-et-patrimoine/education-artistique/autres-lieux-de-pratiques-artistiques-2113#le-cinq-centquatre_3
(visit the link above and scroll up and down the page and even click the links in the left sidebar to jump to anchors on the page and note the color change on each passed item)