var cityXml = new XML();
	var cityXmlUrl = 'http://www.zishu.cn/abc.php';
	cityXml.load(cityXmlUrl);
	cityXml.ignoreWhite = true;
	cityXml.onLoad = function(e) {
		if (e) {
			var citys = cityXml.firstChild.childNodes;
			trace(citys[0].attributes.cname);
		} else {
			trace('not city xml');
		}
	}