之乎者也，阿彌陀佛

$.ajax({
 url: 'xml/myXML.xml',
 dataType: ($.browser.msie) ? "text" : "xml",
 timeout: 1000,
 error: function(data){
  alert('Error occurred loading the XML');
 },
 success: function(data){
  var xml;
  if (typeof data == "string") {
   xml = new ActiveXObject("Microsoft.XMLDOM");
   xml.async = false;
   xml.loadXML(data);
  } else {
   xml = data;
  }
 // parse the xml
});