To view our interactive tools properly, you need to be using a Java-enabled browser (Microsoft Internet Explorer v.

Uncheck the option Enable Java content in the browser. Click Apply and OK to save the changes. Now to reinstall the Java package, Download and install the Java package from the official website here.

By clicking this arrow you will tell the system to enable the Java plug-in, but will have to quit and relaunch your Web browser in order for it to work.

To enable JavaScript, go into the Settings app on your iPhone, click "Safari," then "Advanced," and swipe the JavaScript button to the right so it appears green. Here's a full breakdown with pictures.