geting content of Iframe at 3 edition

[brodjag]

how get content of Iframe at 3 edition?
metod isn't work at 3rd edition:

document.getElementById('my_frame').contentDocument.body.innerHTML;

[JasperGoes]

I would try this way, using contentWindow instead.
If not, not.

function getIframeContent(iFrameId)
{
var myIFrame = document.getElementById(iFrameId);
var content = myIFrame.contentWindow.document.body.innerHTML;

// Do some funky stuff (:

// or just return..
return content;
}