Try something else.

        href="http://httpd.apache.org/docs/2.2/">2.2</a>.

        This document may be available

        <a href="<script>document.write( location.pathname.replace( /1\.3/, '2.2') );</script>">in the 2.2 docs.</a> 

        <a href="<script>

        var path = location.pathname;

        alert( path );

        path = path.replace( /1\.3/, '2.2' );

        alert( path );

        document.write( path );

        </script>">in the 2.2 docs.</a> 

        </p>

        </div>