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12.26.2007 at 12:05PM PST, ID: 23043630
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7.4

Resize Iframe height, receive Access Denied error.

Asked by kruegerste in JavaScript, Hypertext Markup Language (HTML), WebApplications

Tags:

We have several pages on our site where we integrate a couple 3rd party vendor sites using iframes.  I understand that javascript can not access the attributes of the iframe if the iframe source is not the same domain as the parent site (for security purposes).  So we create our own sub-domain and point it to the IP of their domain that they have created for us.  

For example (not real):  our domain is www.cruisetesting.com and the page we are accessing is vacations.cruisebookings.com.  So we create our own sub-domain called vacations.cruisetesting.com and point it to the IP address of vacations.cruisebookings.com

This works great and it appears to have our domain as they browse through a 3rd party site.  The problem is the Access Denied error we get when trying to resize the iframe.  This has worked in the past but we are doing a new site and it isn't working.

Here is the Javascript function that is used.  

function calcHeight(i_frame) {
      //find the height of the internal page
      iframeHeight = document.getElementById(i_frame.id).contentWindow.document.body.scrollHeight;

       //change the height of the iframe
      document.getElementById(i_frame.id).height = iframeHeight;
}


Any ideas would be very appreciated.  Thanks.
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Zones: JavaScript, Hypertext Markup Language (HTML), WebApplications
Tags: Javascript
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Solution Provided By: mrichmon
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[+][-]12.26.2007 at 01:10PM PST, ID: 20530945

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