/**
 * Display a number in Icelandic words.
 *
 * e.g. -12345 is displayed as mnus tlf sund og rj hundru fjrutu og fimm
 *
 * @author Roedy Green, Canadian Mind Products
 * @since 1999
 * @version 1.7 1999-02-04 - previously had two ogs.
 */