for(Iterator i = documents.values().iterator(); i.hasNext(); ) set.add((DocumentImpl)i.next());
for (Iterator i = documents.iterator(); i.hasNext();) set.add((DocumentImpl) i.next());
	public void getDocuments(DocumentSet set) {		for(Iterator i = documents.values().iterator(); i.hasNext(); )			set.add((DocumentImpl)i.next());	}