Close all popup windows with Javascript
<p>Does anyone know how can I close all popup windows (window popup by javascript) in Javascript? </p>

<p>Example:</p>

<ol>
<li>Open 3 new windows by clicked on a
button, and using window.open() to
open all 3 new windows.</li>
<li>Clicked on a button and close all 3
popup windows togather.</li>
</ol>
