Sticky Header onscroll - like sitepoint "AwesomeBar" Ads
I'd like to enable the sticky header effect that's being used on the sitepoint site here. I believe its on all pages, but just in case, hit this page and scroll and the bar will appear (its a teal blue ad bar for "New Relic").
I like the way this bar appears after scroll. I'd like to achieve a similar effect with the gray header bar on my site here: http://learn.clickbump.com
I've currently got it as a fixed header, however, once i have the code, I'd like to change that so that it flows and only becomes sticky after the scroll event.
Any help much appreciated.