fix 373570 alert about folder busy when doing an initial download of pop3 messages after account wizard comes up, sr=mscott

mail/base/content/mailWindowOverlay.js

@@ -918,6 +918,7 @@ function GetMessagesForInboxOnServer(server)
 
 function MsgGetMessage()
 {
+  gNewAccountToLoad = null;
   // if offline, prompt for getting messages
   if (MailOfflineMgr.isOnline() || MailOfflineMgr.getNewMail())
     GetFolderMessages();

mail/base/content/msgMail3PaneWindow.js

@@ -1003,7 +1003,7 @@ function loadStartFolder(initialUri)
         // or a pop3 account that is deferred or deferred to,
         // or the case where initialUri is non-null (non-startup)
         if (!initialUri && isLoginAtStartUpEnabled && gLoadStartFolder
-            && !defaultServer.isDeferredTo &&
+            && !defaultServer.isDeferredTo && !gNewAccountToLoad &&
             defaultServer.rootFolder == defaultServer.rootMsgFolder)
           defaultServer.PerformBiff(msgWindow);        
 

mailnews/base/prefs/resources/content/accountUtils.js

@@ -300,7 +300,8 @@ function loadInboxForNewAccount()
     SelectFolder(inboxFolder.URI);
     window.focus();
     setTimeout(MsgGetMessage, 0);
-    gNewAccountToLoad = null;
+    // we clear gNewAccountToLoad in MsgGetMessage so that the biff startup
+    // code which runs before can check if we're loading a new account.
   }
 }