// 判断浏览器的类型
if(document.implementation && document.implementation.createDocument)
{  
  // 支持Mozilla浏览器
  try
  {
   xmlDoc = document.implementation.createDocument("", "", null);
   xmlDoc.async = false;
   xmlDoc.load("guestbook/guestbook.xml");

   xslDoc = document.implementation.createDocument("", "", null);
   xslDoc.async = false;  
     xslDoc.load("guestbook/guestbook.xsl");     
   
     // 定义XSLTProcessor对象
   var xsltProcessor = new XSLTProcessor();
   xsltProcessor.importStylesheet(xslDoc);
    // transformToDocument方式
    var result = xsltProcessor.transformToDocument(xmlDoc);
    var xmls = new XMLSerializer();
    document.getElementById("guestbookPanel").innerHTML = xmls.serializeToString(result);
   
  }
  catch(e)
  {
   alert("Unable to do xml/xsl processing");
  }
}
else if(typeof window.ActiveXObject != 'undefined')
{
  try
  {
   // 支持IE浏览器
   xmlDoc = new ActiveXObject('Msxml2.DOMDocument');
   xslDoc = new ActiveXObject('Msxml2.DOMDocument');
   xmlDoc.async = false;
   xslDoc.async = false;  
   xmlDoc.load("guestbook/guestbook.xml");
     xslDoc.load("guestbook/guestbook.xsl");
   guestbookPanel.innerHTML = xmlDoc.documentElement.transformNode(xslDoc);
  }
  catch(e)
  {
   alert("Unable to do xml/xsl processing");
  }
}
else
{
  alert("Browser unknown!");
}