Carl
August 30, 2018 at 11:15 am

Have these drills stopped working for you now?  Change your pop-up blocker settings to allow pop-ups for cu-data.cu.edu.  Here is the procedure for Google Chrome:
1. Click Chrome's three-dots menu in the upper right.  When you hover over this a tooltip displays "Customize and control Google Chrome."
2. Settings
3. Advanced
4. Content settings (under Privacy and security)
5. Pop-ups and redirects
6. Click the ADD button for the ALLOW section
7. For "site" enter:
         cu-data.cu.edu