Launching a URL in a new browser window from a PDF displayed in a browser

I know this question has been asked before in this forum, but I haven't really seen a clear answer yet.
 
Something which should be easy is turning out to be... maybe impossible?
 
I'm trying to create a PDF file that will launch a web URL in a new IE browser window, rather than overwriting the displayed PDF.
(The PDF file is also being displayed in the browser.)
 
Here's what I've tried so far:
 
1. Unchecking the openInPlace option in AR before clicking the hyperlink.
(This opens the webpage in the same browser tab, overwriting the displayed pdf, so it apparently only applies to opening other linked pdf files, or won't work inside a browser at all.)
 
2. I've considered using Javascript: app.launchURL("http://google.com", true);
However, this apparently will fail with Acrobat X, according to:
http://forums.adobe.com/thread/783588?tstart=0
 
3. A suggestion from
http://acrobatusers.com/forum/general-acrobat-topics/specifying-link-target-be-new-browser-window
Point the url to a transition HTML page with:
< META HTTP-EQUIV="Refresh" CONTENT="0; URL=http://google.com" >
I haven't actually tried this, but I don't see how this would preserve the displayed pdf file. Wouldn't linking to the Refresh transition page happen in the same browser window as the pdf file? And, what creates a new browser window here? There is no target="_blank", as used in an < A > tag?
 
Any ideas from others who have tried to do this simple feat?