Unfortunately, this security feature applies to all kinds of frames. Not just iFrames. Moving to a normal frame won't help.
Originally Posted by mikehd5
How about passing the data in a querystring? If that's possible, it should work, because all you're asking the browser to do is open a URL. Not pass any encoded data "behind the scenes" as it were...
Which I've just realised is exactly what Markdidj was saying. His code is building a querystring for you: