how can set this thing?

[webmasterbeta]

dear friend when download ftp content , it will open in internet like <!-- w --><a class="postlink" href="http://www.example.co./my.htm">www.example.co./my.htm</a><!-- w --> but i want like this type <!-- w --><a class="postlink" href="http://www.my.example.com/">www.my.example.com/</a><!-- w -->

what can i do(for example <!-- w --><a class="postlink" href="http://www.example">www.example</a><!-- w --> is a domain name)