ASP.Net Ajax is out

So...ASP.net Ajax is an ajax technology created by Micorosft in order to be used along with ASP.net...but not only with asp.net as you can easily use it with php or other scripting languages.This is the official data:

ASP.NET AJAX is a free framework
for quickly creating a new generation of more efficient, more interactive and highly-personalized Web experiences that work across all the most popular browsers