rem: Components.classes[nsIPromptService_CONTRACTID].getService(Components.interfaces.nsIPromptService); 
add: Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService); 
context: function showErrorDialog(titleStrName, messageStrName, file){  var errorTitle =    gFilePickerBundle.getFormattedString(titleStrName, [file.path]);  var errorMessage =    gFilePickerBundle.getFormattedString(messageStrName, [file.path]);  var promptService =    Components.classes[nsIPromptService_CONTRACTID].getService(Components.interfaces.nsIPromptService);  promptService.alert(window, errorTitle, errorMessage);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/48640f9874572a951780a629222cb3930c4ee67a/filepicker.js/clean/xpfe/components/filepicker/res/content/filepicker.js