function xselect(xpath, root) {
  var doc = root ? root.ownerDocument : document;
  var res = [];
  var qry = doc.evaluate(xpath, root || document, null,
              XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
  for (var i = 0, len = qry.snapshotLength; i < len; i++)
    res.push( qry.snapshotItem(i) );
  return res;
}

var pageID = xselect(
  './/table[@id="titlebar-bottom"]//span[@class="addlinks"]/a[1]/text()'
)[0];
var pageContent = xselect('.//td[@class="main_content"][1]')[0];

if (pageID == "3628") { // Newest Nodes
  // ignore posts from these users
  [ 'Anonymous Monk',
    'foo',
    'bar'
  ].forEach(function(monkName) {
      xselect(
        './/td[2][starts-with(@class,"node-from-")]/a[text()="'
        + monkName + '"]/ancestor::tr[1]',
        pageContent
      ).forEach(function(row) {
          row.parentNode.removeChild(row);
        });
    });
}