It hasn't happened for me on any other pages so far. But now, opening the stevebenjamin site again, I got it again. (and several other variations of it, when clicking the back button - it loads a different page each time.)

The http://www.smartmobilephonesolutions.com/ site is now giving an error which lists a user id and password (Access denied for user 'bond007_james'@'localhost' (using password: YES)
Whether that has anything to do with it being hacked or not, I can't say... maybe someone hacked that id & weak password, so the webmaster disabled its access? Either way, it's still bad coding to have the id & password displayed to anyone opening the page.