AJAX, or Asynchronous Javascript and XML, is the building blocks of Web 2.0 sites. AJAX can serve as an XML data transport layer or returning pre-formed HTML then injected into the browser DOM. Considered by many to be a mesh of DHTML and XMLHttpRequest this technology allows AJAX developers to provide rich content experiences without constant page reloads. If you're looking for AJAX help and AJAX tutorials to get started, then read on.
AJAX 