Ext.onReady(function(){      
            Ext.QuickTips.init();  // enable tooltips
            Shadowbox.init();
            var evl = new EventListViewer({
                    renderTo: 'divWebinars',
                    bodyStyle: 'background-color:transparent',
                    border: false,
                    url:'services/webinars.aspx',
                    html: 'Loading Events...<br/><img src="images/loading-balls.gif" >'
                 });
            
});