If that needs explaining to you, it means you're a thick fucking idiot yourself.
As an example read this thread <a class="postlink-local" href="http://forums.bluemoon-mcfc.co.uk/viewtopic.php?f=1&t=259769" onclick="window.open(this.href);return false;">viewtopic.php?f=1&t=259769</a>. If you...