Blocking frames from displaying a site from another domain
<p>I am currently creating a script for <a href="http://www.greasespot.net/" rel="nofollow">Greasemonkey</a> for which i have to create an iframe and display a site from a different domain, but it is not loading.</p>

<p>So I tryd it on another site and it worked - 
So my question: Is there a setting which controlls this behaviour?</p>

<p>If you need any more information please tell me</p>