Facebook Friends Checker

Any time a PaGE is loaded on Facebook, the script will run and it will follow the following basic Algorithm; If the script has checked your friends in the past > hours, do nothing.Otherwise, load a page on Facebook in the background with a list of all of your friends.Go through each of these friends and add them to a list.Compare this list with the list saved the last time the script checked your friends.If someone was on the list before who isn`t now, post the Box informing the user.Save the new list of friends over the old one.Save the current time as the last checked time.