rem: return Components.classes[contractId].getService(Components.interfaces[intf]); 
add: return Components.classes[contractId] .getService(Components.interfaces[intf]); 
context: function getService(contractId, intf) {    return Components.classes[contractId].getService(Components.interfaces[intf]);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5f11afa8ceea71990008ca0608655a89d77fee2f/nsXmlRpcClient.js/buggy/extensions/xml-rpc/src/nsXmlRpcClient.js