Ok, did some quick research with IE. Try this:
In IE, click Tools pull down menu.
Click Internet Options.
This should open the Internet Options window.
Click the Security tab.
Click the 'Custom Level...' button.
This will open the Security Settings window.
Near the bottom of this window is a 'Reset custom settings' box.
Make sure the input box reads 'Medium'.
If not, set it to Medium.
Click the 'Reset' button. (you must click the 'Reset button' even if it already reads Medium.)
Exit out of the menu windows back to the browser.
Reload the RRR page and check to see if the buttons now work.
If now operational, celebrate your hard work and daring with your choice of beverage.
May the Computer Gods smile down on you and good luck.