1) search the web. There are some tools that package a jar in an executable wrapper, but why would you want to? Far easier to use JNLP (Java Webstart).
2) Don't. Learn about classpaths instead.
3) see 2)
It would be easier to just search the net for one of the tons of similar applications that already exist and adopt that for your organisation.
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duckman
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since Nov 2004