Demo (set) Variations:

1. four demos that illustrate common usage patterns
2. same four demos, but the plugin has been aliased to be called using a shorter name
3. same four demos, but adding callback functions that communicate data updates to a server (and display its response)
4. same four demos (with callback functions), but each demo includes a button that will dynamically add additional data by appending new rows (5 per click) to the end of the corresponding table.