var ioService = Cc["@mozilla.org/network/io-service;1"] .getService(Ci.nsIIOService); 
var ioService = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); 
    _GetRealPort : function (aURI) {        var port = aURI.port;        if (port != -1)            return port; // explicitly specified        // Otherwise, we have to get the default port from the protocol handler        // Need the scheme first        var scheme = aURI.scheme;        var ioService = Cc["@mozilla.org/network/io-service;1"]                            .getService(Ci.nsIIOService);        var handler = ioService.getProtocolHandler(scheme);        port = handler.defaultPort;        return port;    },
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/76e443fcb0e3c4c0b44f8274e3b1a4c09c682c1a/nsLoginManagerPrompter.js/clean/toolkit/components/passwordmgr/src/nsLoginManagerPrompter.js