accessing functions??

gistfile1.js

var cycleTimeFunctionThatNeedsABetterName = function(acceptedDate, inProgressDate) {
      var cycleTime = Math.round(Ext.Date.getElapsed(acceptedDate,inProgressDate) / 1000 / 60 / 60 / 24);
      if (cycleTime === 0) cycleTime = 1;

      return cycleTime;
    };

Ext.define('CustomApp', {
    extend: 'Rally.app.App',
    componentCls: 'app',

    launch: function() {
      var id;
      var inProgressDate;
      var acceptedDate;
      var cycleTime;
      var kanbanState;

      Ext.create('Rally.data.WsapiDataStore', {
          model: 'User Story',
          autoLoad: true,
          limit: Infinity,
          listeners: {
            load: function(store, data, success) {
              Ext.Array.each(data, function(story) {
                kanbanState = story.get('KanbanState');

                if (kanbanState === 'Accepted') {
                  id = story.get('FormattedID');
                  inProgressDate = story.get('InProgressDate');
                  acceptedDate = story.get('AcceptedDate');
                  cycleTime = calculateCycleTime(acceptedDate, inProgressDate);

                  console.log('ID: ' + id + '  cycleTime: ' + cycleTime);
                }

              });
            }
          }
      });
    },

    calculcateCycleTime: cycleTimeFunctionThatNeedsABetterName
});