rem: aMenuItem.setAttribute("disabled", !lastFolderURI); 
context: function initMoveToFolderAgainMenu(aMenuItem){  var lastFolderURI = pref.getCharPref("mail.last_msg_movecopy_target_uri");  var isMove = pref.getBoolPref("mail.last_msg_movecopy_was_move");    aMenuItem.setAttribute("disabled", !lastFolderURI);  if (lastFolderURI)  {    var destResource = RDF.GetResource(lastFolderURI);    var destMsgFolder = destResource.QueryInterface(Components.interfaces.nsIMsgFolder);    aMenuItem.label = gMessengerBundle.getFormattedString(isMove ?                                                           "moveToFolderAgain" : "copyToFolderAgain",                                                          [destMsgFolder.prettyName], 1);    aMenuItem.setAttribute('accesskey',                            gMessengerBundle.getString(isMove ?                                                       "moveToFolderAgainAccessKey" : "copyToFolderAgainAccessKey"));  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0135e0b5114312a793c98d1dca4ff8f05e71f8ca/mailWindowOverlay.js/buggy/mail/base/content/mailWindowOverlay.js