ajax.x - The XMLHttpRequest object (or MS equivalent) used for communication
ajax.serialize(f) f = the form element you wish to be serialized This function serializes all the fields in a form so that they can be passed as a query string in the form 'arg1=val1&arg2=val2'.
ajax.get(url, func) url = the url to query (can contain arguments after a '?') func = the function to call once the response is returned This function uses a GET request to query the specified url and return a response to the specified function.