This example works with node.js and (ideally) npm.

The included package.json file means you should be able to type `npm install` in this folder
to pull down all dependencies.

Then do `node modestmaps-static.js` to run the example server.

Example URL, San Francisco at zoom level 11 on OpenStreetMap, in an 800x600 image:
http://localhost:3000/map?provider=osm&width=800&height=600&zoom=11&lat=37.774929&lon=-122.419415