function LoginAnimacao() {
    var $div = $('.sub-login');
    var height = $div.height();
    $div.hide().css({ height: 0 });

    $('.minha-conta').click(function() {
        if ($div.is(':visible')) {
            $div.animate({ height: 0 }, { duration: 1000, complete: function() {
                $div.hide();
            }
            });
        } else {
            $div.show().animate({ height: height }, { duration: 1000 });
        }

        return false;
    });
}

$(document).ready(function() { LoginAnimacao(); });