Change server-side database table name

Hello all,

This is probably incredibly easy but I'm have trouble finding out the *best* way to send a different database table name to the server script for processing.

When the user first loads the page it will load data from database.tableA. However, if they select a different option from a dropdown menu then it should use database.tableB. I was planning on using onchange and fnServerParams but I'm not certain.

Thanks, any help is greatly appreciated.