jquery loading animation

you can add loading animation on even submit.
before add loading animation, you can make a loading animation here
download  and then make id default value on ready function $('#wait').hide();
and then show loading animation like here,

$('#form').submit(function() {
    $.ajax({
        url: '/whatever.php',
        beforeSend: function() { $('#wait').show(); },
        complete: function() { $('#wait').hide(); }
    });
    return false;
});