<h4>external reference(s)</h4>
  using php:
   <a href="javascript:ReplaceElementID('lib-ajax-example-relay.php?http://www.cs.vu.nl/~eliens/media/ajax.txt','AnIdentification')">
  Click to grab file.txt from another domain 
  </a>
  or using
  <a href="javascript:ReplaceElementID('@cgi-lib-ajax-example-relay@?http://www.cs.vu.nl/~eliens/media/ajax.txt','AnIdentification')">cgi</a>
  <lp>
  The <a href=lib-ajax-example-ajax.txt>ajax.txt</a> is also
  available locally: lib-ajax-example-ajax.txt
  </body>