Fix object to top of browser window when scrolling

Question

I saw recently a new interesting feature in the new gmail and also in the HTML5 bing preview that fixes a navigation bar to the top of the browser window when scrolling. The

Answer 1

If you want the element to start further down on the page, then stay fixed on the top as you scroll down, this may be a good start:

http://jsfiddle.net/cc48t/