[UPHPU] detect iframe fresh

[Wade Preston Shearer]

> Does the url of the iframe change per search? If it does and is  
> accessible you could periodically check the url for changes.

Well, it appears that the src does not change (in the DOM) when the  
page changes. Anyone know of a workaround?

var doobie = document.getElementById('doobie');
var doobie_src = doobie.src;

doobie_src still shows the original src even after the user clicks a  
link in the iframe's page and navigates to another page
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