code: function show(state) {
      return function () {
          active = state;
          if (pollForJobs.timer) {
              clearTimeout(pollForJobs.timer);
              delete pollForJobs.timer;
          }
          history.pushState({ state: state }, state, state);
          o('#jobs .job').remove();
          o('#menu li a').removeClass('active');
          o('#menu li.' + state + ' a').addClass('active');
          pollForJobs(state, 1000);
          return false;
      }
  }
docs: Show jobs with `state`.
  
  @param {String} state
  @param {Boolean} init
  @return {Function}