//sMyString为加载到的字符串

/*handle xml
			 * var DOMParser:Class = getQualifiedObject('DOMParser');
				  if (DOMParser) {
					var oDOM:Document = new DOMParser().parseFromString(sMyString, "text/xml");
				  } else {
					var ActiveXObject:Class = getQualifiedObject('ActiveXObject');
					if (!ActiveXObject) {
					  throw new Error("No XML support!");
					}
					oDOM = new ActiveXObject("Microsoft.XMLDOM");
					oDOM['async'] = "false";
					oDOM['loadXML'](sMyString);
				  }
		  // print the name of the root element or error message
		  trace(oDOM.documentElement.nodeName == "parsererror" ? "error while parsing" : oDOM.documentElement.nodeName);*/