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copied!<p>Please see this post and my answers: <a href="https://stackoverflow.com/questions/2161388/iframe-function-calling-from-iframe-to-parent-page-javascript-function/9359230#9359230">Calling a parent window function from an iframe</a></p> <p>It is possible, but not easy. You have to hack about a bit to get it to work.</p> <p>I believe that, because you have access to the framed domain and frame page domains, you will be able to use the document.domain-in-the-head trick.</p> <pre><code><script> document.domain = "mydomain.com"; </script> </code></pre> <p>Update:</p> <p>Can I just check the following?:</p> <ol> <li><p>Have you put the document.domain <code><script></code> in the head of both pages?</p></li> <li><p>Do both have the exact same string, i.e. both have <code>"subdomain.mydomain.com"</code> or both have <code>"mydomain.com"</code>? Typically you use this to ensure that the framed page has the same document domain as the parent.</p></li> <li><p>Do you still get a security error after calling a parent function from the framed page?</p></li> <li><p>If not, this is the function I use to resize my frame. It is located in the head of the framed page.</p> <pre><code>window.ResizeFrame = function (newHeight) { if (window.parent && window.parent.document) { var $frame = $(window.parent.document).find("#frame-id"); if ($frame.length) { if (typeof (newHeight) === "number") { $frame.css("height", newHeight); } } } }; </code></pre></li> </ol> <p>Let me know how it goes!</p>

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