Here's the exact same 'Alert Bomb' that you would see on the homepage, that is only on your first visit to the page for the day.

What I mean is that a cookie, a very tiny bit of information, is stored on your browser (netscape or internet explorer) and it remembers if you have visited this page.

This cookie is set to expire (delete itself) in one day, so that you will not see the 'Alert Bomb' (on the homepage) until the next day...