User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6 The background image for the page should be static and have the page content scroll over it. Using a div area to simulate an iframe the main background image is jerky when the page is scrolled. The same is true for the background images used in the div area iframe replacement below the navigation on the left. This does not happen when scrolling inside the div areas, only when scrolling them in the main page itself. Reproducible: Always Steps to Reproduce: 1.Go to site and just scroll the whole page vertically Expected Results: The background should stay static and not bounce around.

Known bug, very likely a duplicate

*** This bug has been marked as a duplicate of 273457 ***