Javascript: Kill hard-coded events

gistfile1

(function(d) {
  var tags = d.body.getElementsByTagName('*');
  var i = tags.length;

  while (i--) {
    var attr = tags[i].attributes;
    var ii = attr.length;

    while (ii--) {
      if (attr[ii].name.match(/^on/i)) {
        tags[i][attr[ii].name] = null;
      }
    }
  }
})(this.document);