Java documentation in HTMLHelp or WinHelp

Do you also find it a pain to look things up in the official Java documentation? Javadoc is useful, but searching gets tricky, never mind copying it somewhere else. I don’t remember how I found it, but I came across a site that converts the documentation for each new SDK and API into HTMLHelp or WinHelp. As if that weren’t enough, they’ve also tackled the JavaScript 1.3 documentation. The site has converted versions of the JVM and Java language specifications and a few tutorials, too.