Transfer Markup Languages (XHTML), Cascading Style
Sheets (CSS), Document Object Model (DOM), Extensible
Markup Language (XML), Extensible Style sheet Language
Transformation (XSTL) and XML Http Request. AJAX use
XHTML and CSS standardization to present data, use DOM
to realize the dynamic display and data interaction, use
XSTL and XML to exchange and process data. It also allows
asynchronous reading use XML Http Request Objects.
Asynchronous communication used for Ajax Web
applications, The Ajax Web application model as shown in
Figure 3.