code: public String getFunction(int i) throws ArrayIndexOutOfBoundsException
    {
  
      if (null == m_functions)
        throw new ArrayIndexOutOfBoundsException();
  
      return (String) m_functions.elementAt(i);
    }
docs: Get a function at a given index in this extension element
  
  
  @param i Index of function to get
  
  @return Name of Function at given index
  
  @throws ArrayIndexOutOfBoundsException