How To Tell What Files IE Thinks Are “nonsecure”?

Question

We have a CMS system whose web interface gets served over HTTPS. This works beautifully for Firefox, but when we load it in IE6 or IE7, it complains that \"This page contain

Answer 1

Are one or more resources (CSS url-image ref overlooked easily) pointing to a subdomain that's not covered by the certificate (https://www.example.com vs https://static.example.com)?