no tree appears, you
may not have Java installed. You can get it here. Mobile phones and tablets using Android or Apple operating systems will not run Java, although Mac OS does.
has increased security considerably in recent years and will try to
block this applet because is quite old and has not been verified
by Java, even though it is perfectly safe to run.
can get it working by listing my website as an exception to the standard Java
security rules. This is worth doing because the applet is the best way
I know to display the tree online. Check with me if you have any questions.
STEP 1 - Open the Java Control window as follows:
WINDOWS XP/VISTA/7 - From your Start Menu open Control Panel. Type java in search panel top right and click on the result
WINDOWS 8/10 - Enter Java Control Panel in the Search box and click on result
MAC OS - In the Apple menu choose System Preferences. Find Java and click.
STEP 2 - You will now see the Java control panel. Select the Security tab and halfway down you will see a heading Exception Site List. Click on Edit Site List
and add the following entry - http://burnelluk.info Ignore the
warning about sites beginning http: Before closing, check that
the security level is set to high rather than very high.
applet will then run correctly though you will have to give approval each time. Java
will continue to block unsigned applets from other websites so your computer is secure.