javascript加载xml文件

<mce:script language="javascript" type="text/javascript"><!--//需要读取的xml文件var uRl = "jsReadXml.xml";var xmlDoc;//初始化，给上述定义变量赋值// function showcurcity(){if(window.ActiveXObject){xmlDoc=new ActiveXObject("Microsoft.XMLDOM");xmlDoc.async="false"xmlDoc.load(uRl);getvalue();}else if(document.implementation && document.implementation.createDocument){xmlDoc=document.implementation.createDocument("", "root", null);xmlDoc.load(uRl);xmlDoc.onload=getvalueff;}// else {// return null;// }// }function getvalue(){var nodes=xmlDoc.documentElement.childNodes;var now=new Date();for(i=0;i<nodes.length;i++){var value=nodes.item(i).childNodes.item(0).text ;alert(nodes.item(i).childNodes.item(1).text);alert(nodes.item(i).childNodes.item(2).text);}}function getvalueff(){var cCode=xmlDoc.getElementsByTagName("date");var now = new Date();var nowvalue=now.getFullYear()+'年'+(now.getMonth()+1)+'月'+now.getDate()+'日';for(i=0;i<cCode.length;i++){alert(xmlDoc.getElementsByTagName("imgsrc")[i].childNodes[0].nodeValue);alert(xmlDoc.getElementsByTagName("title")[i].childNodes[0].nodeValue);alert(xmlDoc.getElementsByTagName("url")[i].childNodes[0].nodeValue);}}// --></mce:script>