code: public Behavior createBehavior(String behaviorId)
      	throws FacesException {
  
          if (defaultApplication != null) {
              return defaultApplication.createBehavior(behaviorId);
          }
          return null;
  
      }
docs: <p><span class="changed_added_2_0">Instantiate</span> and
  return a new {@link Behavior} instance of the class specified by
  a previous call to <code>addBehavior()</code> for the specified
  behavior id.</p>
  
  @param behaviorId The behavior id for which to create and
  return a new {@link Behavior} instance
  
  @throws FacesException if the {@link Behavior} cannot be
  created
  @throws NullPointerException if <code>behaviorId</code>
  is <code>null</code>