Best way to prompt user to install java in firefox?

[ledZeppelin]

In firefox, if the java plugin is not installed, the user is not notified.

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Screenshot of firefox browser without java plugin installed

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However, in chrome, ie and safari a pop-up comes up and indicates to the user that the needed java plugin is not installed. The user is also given the option to download/install it.

safari.png

Screenshot of safari browser without java plugin installed

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chrome.png

Screenshot of chrome browser without java plugin installed

(105.28 KiB) Not downloaded yet

What is the best way to prompt a user to install java in firefox?