code: public static Image getTypeIcon(final Type _type)
          throws EFapsException
      {
          Image ret = null;
          if (_type != null) {
              ret = _type.getTypeIcon();
          }
          return ret;
      }
docs: Returns for given type the type tree menu. If no type tree menu is
  defined for the type, it is searched if for parent type a menu is
  defined.
  
  @param _type type for which the type tree menu is searched
  @return Image for type tree menu for given type if found; otherwise
  <code>null</code>.
  @throws EFapsException on error