Help! The JsonStore part III [solved]

		var dstore = new Ext.data.JsonStore({
			url: Tariffs.config.connector_url
			,baseParams: {
				action: 'mgr/calendar/getmonth'
			}
			,fields: ['id', 'year', 'month', 'src']
			,root: 'months'
		});
		dstore.load();
		alert(dstore.getTotalCount());

error_log('About to return Json string');
return '{"months":[{"id":0,"month":"10","year":"2010","src":""},{"id":1,"month":11,"year":"2010","src":""}]}';

			,listeners: {
				'load': {fn:function() {
					alert(dstore.getTotalCount());
				}, scope:this}
			}