学步园

<script language="JavaScript">
<!--
var doc = new ActiveXObject("Msxml2.DOMDocument"); //ie5.5+,CreateObject("Microsoft.XMLDOM")

//加载文档
//doc.load("b.xml");

//创建文件头
var p = doc.createProcessingInstruction("xml","version='1.0' encoding='gb2312'");

 //添加文件头
 doc.appendChild(p);

//用于直接加载时获得根接点
//var root = doc.documentElement;

//两种方式创建根接点
// var root = doc.createElement("students");

文章来源:http://www.gins.cn/blog/article.asp?id=38