function rateComment(commentId) {
    var s = document.getElementById("rating"+commentId);
    var val = s.value;
    if (val == 0) return false;
    req = CreateXmlHttpReq(DummyHandler);
    req.open("GET", "/ajax/ratecomment.php?commentid="+escape(commentId)+"&rating="+escape(val)+"&rand="+escape(Math.random()));
    req.send(null);
}

function creply(id) {
    var r = document.getElementById('reply'+id);
    var t = document.getElementById('tarea'+id);
    r.style.visibility='visible';
    r.style.display='block';
    t.focus();
    return false;
}

function cclose(id) {
    var r = document.getElementById('reply'+id);
    r.style.visibility='hidden';
    r.style.display='none';
}