title: how define z-index of some popup windows?
body: <p>i have 4 popup windows -> width:100% and height:100%<br>
  is there a way to define z-index of those popup windows?<br>
  i want to show their parent at top of it's childs!<br>
  how can i do that?   </p>
  
  <p>two of my popup windows are like this :  </p>
  
  <pre><code>&lt;script type="text/javascript"&gt;
      window.open('http://www.MyPoPup1.com', '_blank', 'location=no,menubar=no,scrollbars=yes,resizable=no,toolbar=no');
      window.open('http://www.MyPoPup2.com', '_blank', '');
  &lt;/script&gt;
  </code></pre>
  
  <p>thanks in advance</p>