if (inputComments==null) inputComments = new Hashtable(); else inputComments.clear();  if (outputComments==null) outputComments = new Hashtable(); else outputComments.clear();
	public void reset()	{		id = null;		fileName = null;		description = null;		if (inputs==null)			inputs = new Hashtable();		else 			inputs.clear();		if (outputs==null)			outputs = new Hashtable();		else 			outputs.clear();	}