Using the Ajax techniques we can submit server requests and get the information from the server to the user without the necessity of waiting for a page load. The page update without refresh was done by Javascript, PHP and XML’s XMLHTTPRequest object.

Ajax is actually a grouping of several technologies working together to offer this capability. This could include the techniques bellow,

• Ajax offer standards-based presentation using XHTML and CSS.

• Client, server interaction made using DOM( Document Object Model) and provide dynamic display.

• Data interchange and manipulation was performed by XML and XSLT.

• Asynchronous data recovery using XMLHttpRequest.

• And make JavaScript binding with everything together.