def child_pages options={}
      if content_data.is_humpyard_dynamic_page?
        content_data.child_pages
      else
        if options[:single_root] and is_root_page? 
          Page.where(["parent_id = ? or parent_id IS NULL and NOT id = ?", id, id])
        else
          children
        end
      end
    end
def child_pages options={}
      if content_data.is_humpyard_dynamic_page?
        content_data.child_pages
      else
        if options[:single_root] and is_root_page? 
          Page.where(["parent_id = ? or parent_id IS NULL and NOT id = ?", id, id])
        else
          children
        end
      end
    end
Find the child pages