init autocomplete dropdown

  return str;

}

FnordMetric.util.insertAfter = function(elem, ref_elem) {

  ref_elem.parentNode.insertBefore(elem, ref_elem.nextSibling);

}

FnordMetric.util.Autocomplete = function(input, source) {

  console.log("autocomplte");

  var list = document.createElement("ul");

  list.className = "autocomplete";

  source.map(function(item) {

    var li = document.createElement("li");

    li.innerHTML = item;

    list.appendChild(li);

  });

  FnordMetric.util.insertAfter(list, input);

  input.addEventListener('keydown', function(e) {

    console.log("keydown in input");

    console.log(input.value);

  }, false);

}