# File lib/xml/dom2/element.rb, line 370
      def _getIDVals(ids = nil)
        if ids.nil?
          doc = ownerDocument
          return [] if doc.nil?
          ids = doc._getIDAttrs
        end

        idelem = []
        if !ids[nodeName].nil?
          return attributes._getValues(ids[nodeName])
        elsif !ids['*'].nil?
          return attributes._getValues(ids['*'])
        end
        return []
      end