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

Use:

#element {
  position: fixed;
  right: 200px;
  top: 200px;
}

"fixed" means the element is positioned relative to the browser window.