var favicon = function (array) {
  for (var i = 0; i < array.length; ++i) {
    array[i] = array[i].toString().replace(
      /<a([^>]+)href="(http[^"]+)"/,
      '<img class="favicon" src="http://favicon.aruko.net/m/f/$2" /> <a$1href="$2"'
    );
  }
  return array;
};