GWT - JSNI - how to integrate an analog clock coded in js?

I am working with GWT and I am interested to reuse preexistent js code.

I start here to take note about my progress on this blogger with this first post. As case of study I will borrow a recent and very simple problem that my team has to solve in one of most recent job. Briefly, the case of study is

"how to integrate an analog clock coded in js?"

I will start from following resources

as documentation

• Coding basics - javascript native interface (JSNI)

as tools

• eclipse 3.6 helios
• google plugin for eclipse

The gwt version will be 2.0.4

other resources and knowledge base

• Gwt compile and debug

I am starting soon. The next post will talk about my first results.