Test script that uses xajaxResponse->sleep, xajaxResponse->call and a variety of callback request options to show the progress of a series of requests.

function sleep( $tenths )

Response command which instructs xajax to pause execution of the response commands, returning control to the browser so it can perform other commands asynchronously.

function call()

Response command that indicates that the specified javascript function should be called with the given (optional) parameters.