js 读xml

//兼容获取xml文档
function loadXMLDoc(dname) {
	try{ //Internet Explorer
		xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
	}catch(e){
		try{ //Firefox, Mozilla, Opera, etc.
			xmlDoc=document.implementation.createDocument("","",null);
		}catch(e){alert(e.message)}
	}
	try{
		xmlDoc.async=false;
		xmlDoc.load(dname);
		return(xmlDoc);
	}catch(e) {alert(e.message)}
	return null;
}