rem: var rv = picker.show();  if (rv != PICK_CANCEL) 
add: var rv = getPickerChoice(picker); if (rv.ok) 
context: function pickGetFolder(title, defaultDir){    if (!defaultDir && "lastOpenDir" in futils)        defaultDir = futils.lastOpenDir;    var picker = futils.getPicker(defaultDir);    picker.init(window, title ? title : futils.MSG_OPEN,                Components.interfaces.nsIFilePicker.modeGetFolder);    var rv = picker.show();    if (rv != PICK_CANCEL)        futils.lastOpenDir = picker.file;    return {reason: rv, file: picker.file, picker: picker};}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/40b65c3dda7a285d6012b13f9bcc797504f916dd/file-utils.js/buggy/js/lib/file-utils.js