i am new to Asynchronous JavaScript and XML,right now iam using the Java ServerPages and HyperTextMarkupLanguage with CascadingStyleSheet for presentation purpose, i have to know what is meant by Asynchronous JavaScript and XML, and what are the feature that we can able to using Asynchronous JavaScript and XML in enterprise application , i am using JavaServerFaces framework, can ajax support jsf frame work, if it support tell me how to use Asynchronous JavaScript and XML in enterprise application, if possible give some sample examples which will give me clear basic knowledge about Asynchronous JavaScript and XML.