Internet Explorer has a slight quirk. You need to click on the words
attached to the icon and not the icon image itself. Click when the pointer
changes shape into a hand.
You see the following message at the top of the page.
If you see this, it means that your browser is having problems running the Java applet.
Your browser did not managed to initialise the Java applet properly.
Please inform me if there are any other probblems.
