function send()
{
    $('sendform').request({
        onSuccess: function(transport)
        {
            $('updatecontainer').update(transport.responseText);
        },
        onFailure: function(transport)
        {
            alert(transport.responseText);
            $('mail').focus();
        }
    });
}

Event.observe(window, 'load', function() {
    if($('sendform'))
    {
        $('mail').focus();
        $('sendform').observe('submit', function(e) {
            e.stop();
            send();
        });
    }
});