docs: def ParseHeaderElements(self, ofwhat):
          '''Returns a dictionary of pyobjs.
          ofhow -- list of typecodes w/matching nspname/pname to the header_elements.
          '''
          d = {}
          lenofwhat = len(ofwhat)
          c, crange = self.header_elements[:], range(len(self.header_elements))
          for i,what in [ (i, ofwhat[i]) for i in range(lenofwhat) ]:
              if isinstance(what, AnyElement): 
                  raise EvaluateException, 'not supporting <any> as child of SOAP-ENC:Header'
  
              v = []
              occurs = 0
              namespaceURI,tagName = what.nspname,what.pname
              for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                  prefix,name = SplitQName(c_elt.tagName)
                  nsuri = _resolve_prefix(c_elt, prefix)
                  if tagName == name and namespaceURI == nsuri:
                      pyobj = what.parse(c_elt, self)
                  else:
                      continue
                  v.append(pyobj)
                  c[j] = None
              if what.minOccurs > len(v) > what.maxOccurs:
                 raise EvaluateException, 'number of occurances(%d) doesnt fit constraints (%d,%s)'\
                     %(len(v),what.minOccurs,what.maxOccurs)
              if what.maxOccurs == 1:
                  if len(v) == 0: v = None
                  else: v = v[0]
              d[(what.nspname,what.pname)] = v
          return d