js解析xml乱码，求解决方法

[流星陨落]

js解析xml文件后中文乱码，但是都已经改为utf-8了，依然乱码，求解决方法

function loadXML(xmlFileName){
		var xmlDoc=null;  
		var agent = navigator.userAgent.toLowerCase();
		
		if(agent.indexOf("msie") > 0){
			var xmlDomVersions = ['MSXML.2.DOMDocument.6.0','MSXML.2.DOMDocument.3.0','Microsoft.XMLDOM'];
			for(var i=0;i<xmlDomVersions.length;i++){  
				try{  
					xmlDoc = new ActiveXObject(xmlDomVersions[i]);  
					break;  
				}catch(e){  
				}  
			}  
		}else if(agent.indexOf("firefox") > 0){
			try{  
				xmlDoc = document.implementation.createDocument('','',null);  
			}catch(e){  
			}  
		}else{
			var oXmlHttp = new XMLHttpRequest() ;  
			oXmlHttp.open( "GET", xmlFileName, false ) ;  
			oXmlHttp.send(null) ;   
			return oXmlHttp.responseXML;  
		}
		if(xmlDoc!=null){  
			xmlDoc.async = false;  
			xmlDoc.load(xmlFileName);  
		}   
		return xmlDoc;  
	}
	var footConfig = "footConfig.xml";
	var footConfigXml = loadXML(footConfig);
	var list = footConfigXml.getElementsByTagName("value");    
	var	release_all = list[0].getElementsByTagName("release_all")[0].firstChild.nodeValue;

<?xml version="1.0" encoding="UTF-8"?>
<value id="footId">
<release_all>测试测试测试</release_all>
<business_telephone>123-56789999</business_telephone>
<technology_telephone>123456789000</technology_telephone>
<record>XXXXICP</record>
</value>

[斯洛文尼亚旅游]

footConfig.xml记事本打开，另存为，编码选择utf-8，而不是ansi，然后保存覆盖原来的文件

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