<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $(window).unload( function () { alert("Bye now!"); } ); }); </script> </head> <body> <body> <form action="javascript:alert('success!');"> <div> <input type="text" /> <input type="submit" /> </div> </form> <div></div> </body> </html>