A Browser History Count
<html> <head> <title>History Object</title> <script type="text/javascript"> function showCount() { var histCount = window.history.length; if (histCount > 2) { alert("You have been to " + histCount + " Web pages this session."); } } </script> </head> <body> <form> <input type="button" name="activity" value="My Activity" onclick="showCount()" /> </form> </body> </html>