I'm migrating an exisiting static site to WordPress. I want to keep the existing site up while finishing-up the WP buildout. However, if I change the .htaccess file to point to index.htm (the old site index) all my WordPress links point to the index.htm file. I want to keep the current site up and work on WP, which is installed in the site root, at the same time. Is there a way I can have the site default to the index.htm without making WordPress lose track of itself?