How to capture an all event from a iframe to other iframe

I want to capture all event from an iframe and what ever event happen to an ifram i want to execute the same event to the other iframe how can i achieve this , please show me the way .

Here is my iframes.

<table border="1" width="100%" height="100%">
  <tr>
    <th><iframe width="100%" height="100%"src="http://google.com"></iframe></th>
    <th><iframe width="100开发者_如何学编程%" height="100%"src="http://google.com"></iframe></th>
  </tr>

</table>

You can't do this because the Same Origin Policy will deny you all access to external iframes.