IE8 has something to look at HTML5 AJAX page navigations have been included in it which would only show effect in case the browser is putting to use the default rendering mode.

Some of you might be wondering what it can do. HTML5 AJAX page navigations will make it easier to track travel log components with script for reflecting client side updates to the documents. The benefit derived will be in terms of better user experience where it would be possible to navigate back and forth without having to compromise on AJAX application state. It is only recently that Microsoft came up with a guide for using this functionality with Silverlight.