function getByID (n, d) {
    if (!d) d = document;
    if (d.getElementById)
        return d.getElementById(n);
    else if (d.all)
        return d.all[n];
}

function setDate (id) {
    var f = getByID(id);
    f.value = new Date().getTime()/1000.0;
    return true;
}

// set comment form action
document.comments_form.action = "http://blog.uimt.com/mt/mt-comments.cgi";