le the checkbox
         toggleCheckbox( checkbox );
		 // Tell browser we handled this event and not to process any other actions
         return browser.stopPropagation(e);
         break;

  }  // end switch

  return true;

} // end handleCheckboxKeyDownEvent

/**
 * handleCheckboxFocusEvent processes keys associated with a Checkbox
 *
 * @param ( event ) event is the event handler for the event
 * @param ( Checkbox object ) checkbox is the Checkbox object that is the target of the keyboard event
 *
 * 