Rico AjaxEngine Tutorial 1 The Rico JavaScript library provides a single JavaScript object, AjaxEngine, for adding Ajax to any HTML page. What is Ajax? Widkipedia has the following definition for Ajax: Traditional web applications allow users to fill out forms, and when these forms are submitted, a request is sent to a web server. The web server acts upon whatever was sent by the form, and then responds back by sending a new web page. A lot of bandwidth is wasted since much of the HTML from the first page is present in the second page. Because a request to the web server has to be transmitted on every interaction with the application, the application's response time is dependant on the response time of the web server. This leads to user interfaces that are much slower than their native counterparts.