rem: createInstance(Components.interfaces.nsIIOService); 
add: getService(Components.interfaces.nsIIOService); 
context:   normalizeHost: function (aUrl)  {    var ioService = Components.classes["@mozilla.org/network/io-service;1"].                    createInstance(Components.interfaces.nsIIOService);    var normalizedUrl = ioService.newURI(aUrl, null, null);    normalizedUrl.host = normalizedUrl.host.toLowerCase();    return normalizedUrl.spec;  }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f828010d18821410b0026e795f42302431b448a0/Feed.js/clean/mail/extensions/newsblog/content/Feed.js