fun = _functionMapLowerCase.get(name.toLowerCase());
if (! _quercus.isStrict()) fun = _functionMapLowerCase.get(name.toLowerCase());
  public AbstractFunction findFunction(String name)  {    AbstractFunction fun = _functionMap.get(name);    if (fun != null)      return fun;    fun = _functionMapLowerCase.get(name.toLowerCase());        return fun;  }