With the release of Windows XP, java VM is no longer guarranteed in IE, hence any 
client machine. I have an existing Java Applet but now needs to detect if the client 
have JVM installed. If not, I would redirect them to a site for download, etc. 

The problem seemed to be simple at first. I should use some scripts to check for JVM. 
I first test the existence of JavaScript engine, if that's there, then I check for 
navigator.javaEnabled(). If successful, I will run the applet, if not, redirect. The 
problem is I don't know if this will work for all or most of the browsers. Anyone has 
experience or ideas about that?

Before anyone jumps the gun, I am not interested in finding out the version of VM or 
browser type or OS, just the existence of JVM. I have searched both google and msdn 
sites but found little help.

Any suggestion is welcome.

Thanks

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