$(function() {
  $("a#foo").click(function(e) {
    return $.ajax("api/v1/foo");
  });
  return {
    username: "foo",
    password: "bar",
    error: function(xhr, status, error) {
      return alert('foo error');
    },
    success: function(data, status, xhr) {
      return alert('foo done');
    }
  };
});