https://www.partybus.sk/js/spinner.ajax.js

1(function($, undefined) {
2
3	$.nette.ext('spinner', {
4		init: function () {
5			this.spinner = this.createSpinner();
6			this.spinner.appendTo('body');
7		},
8		start: function () {
9			this.counter++;
10			if (this.counter === 1) {
11				this.spinner.show(this.speed);
12			}
13		},
14		complete: function () {
15			this.counter--;
16			if (this.counter <= 0) {
17				this.spinner.hide(this.speed);
18			}
19		}
20	}, {
21		createSpinner: function () {
22			return $('<div>', {
23				id: 'ajax-spinner',
24				css: {
25					display: 'none'
26				}
27			});
28		},
29		spinner: null,
30		speed: undefined,
31		counter: 0
32	});
33
34})(jQuery);