Update older Java code?

[Cobalt]

[frag.machine]

As someone who write Java code for a living, my advice is: forget applets.
They are evil, specially the non-standard, full of unpatched bugs and security holes type generated with Visual J or Visual Studio for their unholy ActiveX-based virtual machine.
Nowadays this kind of effect is quite trivial in pure HTML5 (and if I can give my personnal opinion, of questionable taste ), absolutely no need of Java applets.

[Cobalt]

Thanks FM. Someone else had mentioned CSS as the alternative. I just dont see how these are so dangerous because of their size and all they do is add an effect to the image the mouse hovers over and plays an audio file. But I made these back when fewer exploits came the way via Java, at least that was my experience back then when MS used its own Virtual Machine to run stuff like this. But sounds like you know more about it than me.

[frag.machine]

Yup, HTML5 (which includes CSS, of course) is the way to go. Just Google for "html css neon effect" and you will find a bunch of examples.