function add_nn_iframe() {
    var tbl  = document.getElementById('titlebar-bottom');
    var hr   = document.createElement('hr');
    var tbl2 = document.createElement('table');
    var row  = document.createElement('tr');
    var cel  = document.createElement('td');
    var ifr  = document.createElement('iframe');
    tbl2.width = "100%";
    ifr.src = "http://jdporter.perlmonk.org/pmrss.cgi?feed=monkdiscuss:4,snippet&max=8";
    ifr.width = "100%";
    ifr.height = 64;
    ifr.border = 0;
    ifr.frameBorder = 0;
    ifr.margin = 0;
    cel.width = "100%";
    cel.align = "center";
    cel.appendChild(ifr);
    row.appendChild(cel);
    tbl2.appendChild(row);
    tbl.parentNode.insertBefore(hr,tbl.nextSibling);
    tbl.parentNode.insertBefore(tbl2,hr);
}

add_nn_iframe();