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"));  }}function InitViewHeadersMenu(){  var id = null;  var headerchoice = 1;  try   {    headerchoice = pref.getIntPref("mail.show_headers");  }  catch (ex)   {    dump("failed to get the header pref\n");  }  switch (headerchoice)   {	case 2:			id = "viewallheaders";		break;	case 1:		default:		id = "viewnormalheaders";		break;  }  var menuitem = document.getElementById(id);  if (menuitem)    menuitem.setAttribute("checked", "true"); }function InitViewBodyMenu(){  var html_as = 0;  var prefer_plaintext = false;  var disallow_classes = 0;  try  {    prefer_plaintext = pref.getBoolPref("mailnews.display.prefer_plaintext");    html_as = pref.getIntPref("mailnews.display.html_as");    disallow_classes = pref.getIntPref("mailnews.display.disallow_mime_handlers");    if (disallow_classes > 0)      gDisallow_classes_no_html = disallow_classes;    // else gDisallow_classes_no_html keeps its inital value (see top)  }  catch (ex)  {    dump("failed to get the body plaintext vs. HTML prefs\n");  }  var AllowHTML_checked = false;  var Sanitized_checked = false;  var AsPlaintext_checked = false;  if (!prefer_plaintext && !html_as && !disallow_classes)    AllowHTML_checked = true;  else if (!prefer_plaintext && html_as == 3 && disallow_classes > 0)    Sanitized_checked = true;  else if (prefer_plaintext && html_as == 1 && disallow_classes > 0)    AsPlaintext_checked = true;  // else (the user edited prefs/user.js) check none of the radio menu items  var AllowHTML_menuitem = document.getElementById("bodyAllowHTML");  var Sanitized_menuitem = document.getElementById("bodySanitized");  var AsPlaintext_menuitem = document.getElementById("bodyAsPlaintext");  if (AllowHTML_menuitem && Sanitized_menuitem && AsPlaintext_menuitem)  {    AllowHTML_menuitem.setAttribute("checked", AllowHTML_checked ? "true" : "false");    Sanitized_menuitem.setAttribute("checked", Sanitized_checked ? "true" : "false");    AsPlaintext_menuitem.setAttribute("checked", AsPlaintext_checked ? "true" : "false");  }  else    dump("Where is my View|Body menu?\n");}function IsNewsMessage(messageUri){  return (/^news-message:/.test(messageUri));}function IsImapMessage(messageUri){  return (/^imap-message:/.test(messageUri));}function SetMenuItemLabel(menuItemId, customLabel){  var menuItem = document.getElementById(menuItemId);  if (menuItem)    menuItem.setAttribute('label', customLabel);}function RemoveAllMessageTags(){  var selectedMsgUris = GetSelectedMessages();  if (!selectedMsgUris.length)    return;      var msg = Components.classes["@mozilla.org/supports-array;1"]                          .createInstance(Components.interfaces.nsISupportsArray);                            for (var i = 0; i < selectedMsgUris.length; ++i)  {    // remove all tags by removing all their tag keys, all at once.    // (using a msgHdr's setStringProperty won't notify the threadPane!)    var msgHdr = messenger.msgHdrFromURI(selectedMsgUris[i]);    msgHdr.label = 0; // remove legacy label    msg.Clear();    msg.AppendElement(msgHdr);        var keywords = msgHdr.getStringProperty("keywords");    // this will remove all keywords at once...    if (keywords.length > 0)      msgHdr.folder.removeKeywordFromMessages(msg, keywords);  }  OnTagsChange();}function ToggleMessageTagKey(index){  if (GetNumSelectedMessages() < 1)    return;  // set the tag state based upon that of the first selected message,  // just like we do for markAsRead etc.  var msgHdr = gDBView.hdrForFirstSelectedMessage;  var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"]                             .getService(Components.interfaces.nsIMsgTagService);  var tagArray = tagService.getAllTags({});  for (var i = 0; i < tagArray.length; ++i)  {    var key = tagArray[i].key;    if (!--index)     {      // found the key, now toggle its state      var curKeys = msgHdr.getStringProperty("keywords");      if (msgHdr.label)        curKeys += " $label" + msgHdr.label;      var addKey  = (" " + curKeys + " ").indexOf(" " + key + " ") < 0;      ToggleMessageTag(key, addKey);      return;    }  }}function ToggleMessageTagMenu(target){  var key    = target.getAttribute("value");  var addKey = target.getAttribute("checked") == "true";  ToggleMessageTag(key, addKey);}function ToggleMessageTag(key, addKey){  var messages = Components.classes["@mozilla.org/supports-array;1"]                           .createInstance(Components.interfaces.nsISupportsArray);  var msg = Components.classes["@mozilla.org/supports-array;1"]                          .createInstance(Components.interfaces.nsISupportsArray);  var selectedMsgUris = GetSelectedMessages();  var toggler = addKey ? "addKeywordToMessages" : "removeKeywordFromMessages";  var prevHdrFolder = null;  // this crudely handles cross-folder virtual folders with selected messages  // that spans folders, by coalescing consecutive msgs in the selection  // that happen to be in the same folder. nsMsgSearchDBView does this  // better, but nsIMsgDBView doesn't handle commands with arguments,  // and (un)tag takes a key argument.  for (var i = 0; i < selectedMsgUris.length; ++i)  {    var msgHdr = messenger.msgHdrFromURI(selectedMsgUris[i]);    if (msgHdr.label)    {      // Since we touch all these messages anyway, migrate the label now.      // If we don't, the thread tree won't always show the correct tag state,      // because resetting a label doesn't update the tree anymore...      msg.Clear();      msg.AppendElement(msgHdr);      msgHdr.folder.addKeywordToMessages(msg, "$label" + msgHdr.label);      msgHdr.label = 0; // remove legacy label    }    if (prevHdrFolder != msgHdr.folder)    {      if (prevHdrFolder)        prevHdrFolder[toggler](messages, key);      messages.Clear();      prevHdrFolder = msgHdr.folder;    }    messages.AppendElement(msgHdr);  }  if (prevHdrFolder)    prevHdrFolder[toggler](messages, key);  OnTagsChange();}function AddTag(){  var args = {result: "", okCallback: AddTagCallback};  var dialog = window.openDialog("chrome://messenger/content/newTagDialog.xul",                                 "",                                 "chrome,titlebar,modal",                                 args);}function AddTagCallback(name, color){  var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"]                             .getService(Components.interfaces.nsIMsgTagService);  tagService.addTag(name, color, '');  try  {    ToggleMessageTag(tagService.getKeyForTag(name), true);  }  catch(ex)  {    return false;  }  return true;}function SetMessageTagLabel(menuitem, index, name){  // if a <key> is defined for this tag, use its key as the accesskey  // (the key for the tag at index n needs to have the id key_tag<n>)  var shortcutkey = document.getElementById("key_tag" + index);  var accesskey = shortcutkey ? shortcutkey.getAttribute("key") : "";  if (accesskey)    menuitem.setAttribute("accesskey", accesskey);  var label = gMessengerBundle.getFormattedString("mailnews.tags.format",                                                   [accesskey, name]);  menuitem.setAttribute("label", label);}function InitMessageTags(menuPopup){  var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"]                             .getService(Components.interfaces.nsIMsgTagService);  var tagArray = tagService.getAllTags({});  var tagCount = tagArray.length;  // remove any existing non-static entries...  var menuseparator = menuPopup.lastChild.previousSibling;  for (var i = menuPopup.childNodes.length; i > 4; --i)    menuPopup.removeChild(menuseparator.previousSibling);  // hide double menuseparator  menuseparator.previousSibling.hidden = !tagCount;  // create label and accesskey for the static remove item  var tagRemoveLabel = gMessengerBundle.getString("mailnews.tags.remove");  SetMessageTagLabel(menuPopup.firstChild, 0, tagRemoveLabel);  // now rebuild the list  var msgHdr = gDBView.hdrForFirstSelectedMessage;  var curKeys = msgHdr.getStringProperty("keywords");  if (msgHdr.label)    curKeys += " $label" + msgHdr.label;  for (var i = 0; i < tagCount; ++i)  {    var taginfo = tagArray[i];    // TODO we want to either remove or "check" the tags that already exist    var newMenuItem = document.createElement("menuitem");    SetMessageTagLabel(newMenuItem, i + 1, taginfo.tag);    newMenuItem.setAttribute("value", taginfo.key);    newMenuItem.setAttribute("type", "checkbox");    var removeKey = (" " + curKeys + " ").indexOf(" " + taginfo.key + " ") > -1;    newMenuItem.setAttribute('checked', removeKey);    newMenuItem.setAttribute('oncommand', 'ToggleMessageTagMenu(event.target);');    var color = taginfo.color;    if (color)      newMenuItem.setAttribute("class", "lc-" + color.substr(1));        menuPopup.insertBefore(newMenuItem, menuseparator);  }}function backToolbarMenu_init(menuPopup){  populateHistoryMenu(menuPopup, true);}var gNavDebug = true;function navDebug(str){  if (gNavDebug)    dump(str);}function populateHistoryMenu(menuPopup, isBackMenu){    // remove existing entries  while (menuPopup.firstChild)    menuPopup.removeChild(menuPopup.firstChild);  var curPos = new Object;  var numEntries = new Object;  var historyEntries = new Object;  messenger.getNavigateHistory(curPos, numEntries, historyEntries);  curPos.value = curPos.value * 2;  navDebug("curPos = " + curPos.value + " numEntries = " + numEntries.value + "\n");  var historyArray = historyEntries.value;  var folder;  var newMenuItem;  if (GetLoadedMessage())  {    if (!isBackMenu)      curPos.value += 2;    else      curPos.value -= 2;  }  // for populating the back menu, we want the most recently visited  // messages first in the menu. So we go backward from curPos to 0.  // For the forward menu, we want to go forward from curPos to the end.    var relPos = 0;  for (var i = curPos.value; (isBackMenu) ? i >= 0 : i < historyArray.length; i += ((isBackMenu) ? -2 : 2))  {    navDebug("history[" + i + "] = " + historyArray[i] + "\n");    navDebug("history[" + i + "] = " + historyArray[i + 1] + "\n");    folder = RDF.GetResource(historyArray[i + 1]).QueryInterface(Components.interfaces.nsIMsgFolder);    navDebug("folder URI = " + folder.URI + "pretty name " + folder.prettyName + "\n");    var menuText = "";        var msgHdr = messenger.msgHdrFromURI(historyArray[i]);    if (!IsCurrentLoadedFolder(folder))      menuText = folder.prettyName + " - ";    menuText += msgHdr.mime2DecodedSubject;    menuText += ":";    menuText += msgHdr.mime2DecodedAuthor;    newMenuItem = document.createElement('menuitem');    newMenuItem.setAttribute('label', menuText);    relPos += isBackMenu ? -1 : 1;    newMenuItem.setAttribute('value',  relPos);    newMenuItem.setAttribute('oncommand', 'NavigateToUri(event.target); event.stopPropagation();');    menuPopup.appendChild(newMenuItem);    if (! (relPos % 20))      break;  }  }function NavigateToUri(target){  var historyIndex = target.getAttribute('value');  var folderUri = messenger.getFolderUriAtNavigatePos(historyIndex);  var msgUri = messenger.getMsgUriAtNavigatePos(historyIndex);  var folder = RDF.GetResource(folderUri).QueryInterface(Components.interfaces.nsIMsgFolder);  var msgHdr = messenger.msgHdrFromURI(msgUri);  navDebug("navigating from " + messenger.navigatePos + " by " + historyIndex + " to " + msgUri + "\n");  // this "- 0" seems to ensure that historyIndex is treated as an int, not a string.  messenger.navigatePos += historyIndex - 0;  if (IsCurrentLoadedFolder(folder))  {    gDBView.selectMsgByKey(msgHdr.messageKey);  }  else  {    gStartMsgKey = msgHdr.messageKey;    SelectFolder(folderUri);  }}function forwardToolbarMenu_init(menuPopup){  populateHistoryMenu(menuPopup, false);}function InitMessageMark(){  var areMessagesRead = SelectedMessagesAreRead();  var readItem = document.getElementById("cmd_markAsRead");  if(readItem)     readItem.setAttribute("checked", areMessagesRead);  var areMessagesFlagged = SelectedMessagesAreFlagged();  var flaggedItem = document.getElementById("cmd_markAsFlagged");  if(flaggedItem)     flaggedItem.setAttribute("checked", areMessagesFlagged);  document.commandDispatcher.updateCommands('create-menu-mark');}function UpdateJunkToolbarButton(){  var junkButtonDeck = document.getElementById("junk-deck");  if (junkButtonDeck)    junkButtonDeck.selectedIndex = SelectedMessagesAreJunk() ? 1 : 0;}