/* ajax.Request */
function ajaxRequest(url) {
  var aj = new Ajax.Request(
  url, {
   method:'get',
   //onLoading: getLoader,
   onSuccess: getResponse
   }
  );
}

/* ajax.Response*/
function getResponse(oReq) {
	//$('loader').setStyle({visibility: 'hidden'});
	$('container').innerHTML = oReq.responseText;	
}

/* ajax.Loader
function getLoader() {
	$('loader').setStyle({visibility: 'visible'});
}r*/