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.

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

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.