code: private String getOuFromItem(Object itemId, I_CmsOuTreeType type) {
  
          if (type.equals(CmsOuTreeType.OU)) {
              return ((CmsOrganizationalUnit)itemId).getName();
          }
          Object o = m_treeContainer.getParent(itemId);
          while (!(o instanceof CmsOrganizationalUnit)) {
              o = m_treeContainer.getParent(o);
          }
          return ((CmsOrganizationalUnit)o).getName();
      }
docs: Gets ou from given item.<p>
  
  @param itemId to get ou for
  @param type of given item
  @return name of ou