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'});
		}
	});
}