Htk.Spinner = new Class ({ Extends: Htk.Widget ,Tag: 'htk-spinner' ,_started: false ,initialize: function (props) { var loader = this.createElement ('div'); loader.className = 'htk-spinner'; var spin = document.createElement ('div'); loader.appendChild (spin); this.spin = spin; this.parent (props); } ,start: function () { if (!this._started) { Vn.Node.addClass (this.spin, 'spinner'); this._started = true; } } ,stop: function () { if (this._started) { Vn.Node.removeClass (this.spin, 'spinner'); this._started = false; } } });