Changes

Windows Script Host can be [http://www.microsoft.com/downloads/details.aspx?familyid=c717d943-7e4b-4622-86eb-95a22b832caa&languageid=f49e8428-7071-4979-8a67-3cffcb0c2524&displaylang=en downloaded from Microsoft]. Windows XP and Windows 2003 have the suitable version 5.6 included by default; the version included with Windows 2000 is too old and so requires you to download the a more recent version.