title: Refresh parent Iframe from another Iframe
body: <p>i wanna refresh parent's iframe from another iframe with javascript.
  more detail:</p>
  
  <pre><code> ----------&gt;iframe1(name:iframesubmit)
   |
   paraent
   |
   ----------&gt;iframe2-----&gt;iframe3
  </code></pre>
  
  <p>iframe3 refresh iframe1.</p>
  
  <p>i tried:</p>
  
  <pre><code>parent.window.iframesubmit.location.reload();
  </code></pre>
  
  <p>but refresh parent not parent's iframe.</p>