in nearly all browsers* you can overwrite the window location in the "onunload" event. that means you can "keep" the user on a site. when you type a new url in the address-bar, javascript overwrites it. thats a paradies for fishers, porn-site-hoster etc...... here the html/javascript code: <html> <head> <script> window.unlock = false; window.onunload=function() { if(!window.unlock) window.location.href='unload.html'; } document.onmousedown=function() { window.unlock = true; } </script> </head> <body> <a href="?link=1">Link 1</a><br> <a href="?link=2">Link 2</a><br> <a href="?link=3">Link 3</a><br> <a href="?link=4">Link 4</a><br> </body> </html> cheers Tobias Boonstoppel ps: * i testet it on firefox (linux / window) opera (linux) and internet explorer.