Rewrite redirects

[Jack Stone]

I thought I had this figured out but discovered I have a BIG flaw with 
my .htaccess redirects After days of searching and experimenting, I 
still can't get this to do what I intended.

I have moved all of the content on a web site from the web root to a 
different directory. Now I need toredirect the URL requests from the 
old location to the new one. Instead of issuing a 301 error, I want to 
first redirect to an info page, let's call it "info.htm." Here's what 
I have now in the web root's .htaccess.

Here's the way it was/is:

~webroot/lots_of.html
....and now changed to this:
~webroot/content/lots_of.html

Using the apache mod_rewritein .htaccess
RewriteEngine on
RewriteRule /~webroot/(.*\.html) /^info.htm [PT]

....which is supposed to redirect any page with the extension ".html" 
to the info.htm page. BUT, alas any "*.html page in any directory will 
redirect back to the info.htm page!! What I wanted is that only the 
"*.html pages in the ~webroot to be redirected to the info page.

I hope this make sense and I hope someone can give me a tip on how to 
limit the redirects to only the webroot pages.

Thanks in advance.....

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All the best,
Jack