public String get_field( String section, String field ) 
	throws NoSuchKeyException, NoSuchSectionException {

	Hashtable s;
	String t;

	if(section==null) {
		throw new NoSuchSectionException();
	}
	if(field==null) {
		throw new NoSuchKeyException();
	}

	s = (Hashtable) sections.get(section);

	if( s == null) {
		throw new NoSuchSectionException("Section ["+section+"] not found");
	}

	
	t = (String) s.get(field);

	if( t == null ) {
		throw new NoSuchKeyException("Field ["+field+"] in section ["+section+"] not found");
	}

	return new String(t);
}