Detecting Ajax Support

/*
check if your browser/javascript supports Ajax.
For this we can use prototype’s getTransport method.
*/

function AjaxIsSupported ()
{
return (Ajax.getTransport());
}

/*
You can include this onload of your page. Make sure that
before checking this , to include the prototype.js in your page

This will actually check for XML parsers in IE / FF with
browser specific methods.
*/