var Ajax;
if (Ajax && (Ajax != null)) {
	Ajax.Responders.register({
		onCreate: function () {
			if ($('spinner') && Ajax.activeRequestCount > 0)
			Effect.Appear('spinner', {
				duration:0.5, queue: 'end'
			});
		},
		onComplete: function () {
			if ($('spinner') && Ajax.activeRequestCount == 0)
			Effect.Fade('spinner', {
				duration:0.5, queue: 'end'
			});
		}
	});
}