For what ever reason Internet Explorer feels the need to prompt you everytime there is a mix of secured and non-secured content on a webpage.  Here are some good directions on how to turn it off.

If  you are getting this error:

Then follow these directions:
1. Go to Tools -> Internet Options -> Security
2. Select the "Security" tab -> Click the "Custom Level" button
3. In the "Miscellaneous" section change “Display mixed content” to Enable.

fixing IE8