davecranwell/jQuery-scroll-parallax — pull request #3 by luketmillar (2012-04-03 07:28:24+00:00)
Title: Removed some unnecessary binds and unbinds

jQuery binding is actually pretty slow. If you remove the .bind("scroll") and .unbind("scroll") when you want to enable and disable scrolling and replace it with a simple flag, it should speed things up without changing any of the runtime effect.