Cookie Stealing Upgrade: Ajax Style

For those of you that have been living under a good and solid rock lately, AJAX is revolutionizing the way the web works in the fact that it brings desktop-like functionality straight to the web in the form of Javascript and XML (For this tutorial, a working knowledge of XML is not needed.) In other words, AJAX (Asynchronous Javascript and XML) gets rid of pesky page refreshes and coupled with DHTML effects, can lead to quite interesting desktop-like web apps... The property that is much sought after with AJAX is its ability to send arbitrary requests to a server in the form of an XMLHttpRequest...

Read this article in milw0rm.com.