Dashboard widget

I need a "fuel gauge" type of widget for a dashboard. The gauge needs to be programmable- meaning I need to be able to load it with a variety of different indicators and colors (that illustrate the "danger" zone or "all-is-well" zone). Its coding and design needs to fit into the general layout of the following site: [login to view URL] At this site, you will see a gauge. I need something different and more flexible than this one. I have a rough mock-up of what I am after that I can send or attached to this new project request.