Refreshing the parent window from the child window

Part of my website has pages which are loaded in a frame.  For iPhones and iPads, I need to reset the viewport to "scale=1" when a visitor navigates away from a child window.  The parent window has that viewport attribute (initial-scale=1) in a meta tag, but I can't get it to apply when the browser navigates among the child windows.  For example if the user zooms in on a child window, and then uses a link to another child window, the zoom is carried forward to the next child window, instead of resetting the viewport to original  scale.  Here is the code I've placed in the child window, which isn't working:

<script language="javascript" type="text/javascript">
function refreshParent()
{
    window.opener.location.reload(false);
}
</script>
</head>

<body onunload="javascript:refreshParent()">
ddantesAsked:
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ddantesAuthor Commented:
Thank you.  This is a slightly different situation, and I believe it has been fixed as of iOS 6.  

Having done more research since posting this question, I think the issue is that the child windows are in a parent window iFrame.   Meta tags which control viewport behavior in the child windows don't seem to be implemented.  So I placed the viewport meta tag in the parent window, but I don't know how to refresh that main window from the child window, without reloading the child, and then the parent, in an infinite loop.

I've read some articles, but they are quite difficult to comprehend, and I'm clueless about how to apply them.  Here is a link to one of them: http://www.webdeveloper.com/forum/showthread.php?58481-Refresh-main-page-from-iframe

 If someone could provide code to refresh only the main parent window, without the iFrame, when the child window is loaded, that could resolve this.
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dgrafxCommented:
well the iframe is part of the parent window - so reloading the parent window will also reload the child iframe.
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ddantesAuthor Commented:
Thank you, and I understand.  I thought there were methods to refresh only part of the parent window.  I've read some posts about that, but don't know how to implement it in this case.  There is a link to one such article in my previous comment ID39211512.
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dgrafxCommented:
good luck!
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