[Javascript] Detecting Java (JRE) through JavaScript

[Edwin Martin]

JS Student schreef:
> I have a java applet on my webpage. It works on most browsers but on
> certain broswers (like IE7) that have JRE disabled by default, it
> doesn't work.
>
> I want to detect whether JRE is installed or not and if it is
> installed, is it enabled or disabled. Can this be done in JS? If so
> can someone please tell me how?

Use Liveconnect.

Don't use navigator.javaEnabled, because it only tells you if the user 
has turned it on or off. It can be true even if the JVM is not installed.

Edwin Martin