How to prevent the user to change page with jQuery

Question

I have a page with a form that is submittes via ajaxSubmit() (so, without changing the page).

My goal is that, when the user try to change page (or even to close the

Answer 1

It's possible bind the "onbeforeunload" event with jQuery:

$(window).bind('beforeunload', function(e) {
    return "ATTENZIONE!!";
});

It works!!