You heard a lot about AJAX and wanna use it for overhauling your online experience? If yes then you have come to the right place as you need to know something about AjaxTags which is JavaScript library that lets you integrate Ajax functionality in your JSP pages effortlessly. As a developer and from the point of view of the viewer one can use Ajax tags for modification of contents of secondary drop down box based on selection made in first, undertake calculations on server depending without the entire page being reloaded and initiate request for additional information from the server without refreshing the page being viewed by the user. One can certainly integrate Ajax tags into their applications but there are certain requirements regarding which you can read here. You will even come across certain AjaxTags demo and samples highlighted by IBM. So get ready to utilize AjaxTags for adding powerful Ajax features to your existing or latest Java Web Applications!!