sstephenson/prototype — pull request #110 by jwestbrook (2014-01-18 06:47:08+00:00)
Title: Fixes scollTop property that is deprecated on body

Chrome 32 deprecates `document.body.scrollTop`, should use
`document.documentElement.scrollTop` instead. Polyfill described here
https://developer.mozilla.org/en-US/docs/Web/API/Window.scrollY

Thanks to @chipersoft who helped