A quick question with a potentially longer discussion. What do you use for AJAX in PHP, and why?
jQuery on the other hand has a number of API methods so you can do all your AJAX within jQuery, without the need for XAJAX.
Using both jQuery and XAJAX together is possible, although it can take a bit of trial and error to get them working correctly.
Have you used either of these approaches? Have you had problems with combining multiple frameworks? Can you recommend any alternatives?