Bug #270743 --> First launch account creation doesn't honor unchecking [ ] Download messages now option

Port some seamonkey changes to thunderbird to fix this issue.

Patch by Henrik Skupin <hskupin@gmail.com>

mail/base/content/mailWindowOverlay.js

@@ -758,14 +758,22 @@ function MsgGetMessagesForAllServers(defaultServer)
             var protocolinfo = Components.classes["@mozilla.org/messenger/protocol/info;1?type=" + currentServer.type].getService(Components.interfaces.nsIMsgProtocolInfo);
             if (protocolinfo.canLoginAtStartUp && currentServer.loginAtStartUp)
             {
-                 if (currentServer.type == "pop3" && currentServer.downloadOnBiff)
-                 {
-                   CoalesceGetMsgsForPop3ServersByDestFolder(currentServer, pop3DownloadServersArray, localFoldersToDownloadTo);
-                   pop3Server = currentServer.QueryInterface(Components.interfaces.nsIPop3IncomingServer);
-                 }
-                 else
-                 // Check to see if there are new messages on the server
-                   currentServer.PerformBiff(msgWindow);
+                if (defaultServer && defaultServer.equals(currentServer) && 
+                  !defaultServer.isDeferredTo &&
+                  defaultServer.rootFolder == defaultServer.rootMsgFolder)
+                {
+                    dump(currentServer.serverURI + "...skipping, already opened\n");
+                }
+                else if (currentServer.type == "pop3" && currentServer.downloadOnBiff)
+                {
+                    CoalesceGetMsgsForPop3ServersByDestFolder(currentServer, pop3DownloadServersArray, localFoldersToDownloadTo);
+                    pop3Server = currentServer.QueryInterface(Components.interfaces.nsIPop3IncomingServer);
+                }
+                else
+                {		 
+                    // Check to see if there are new messages on the server
+                    currentServer.PerformBiff(msgWindow);
+                }
             }
         }
         for (var i = 0; i < pop3DownloadServersArray.length; i++)

mail/base/content/msgMail3PaneWindow.js

@@ -942,7 +942,7 @@ function loadStartFolder(initialUri)
         // or the case where initialUri is non-null (non-startup)
         if (!initialUri && isLoginAtStartUpEnabled && gLoadStartFolder
             && !defaultServer.isDeferredTo &&
-            defaultServer.msgFolder == defaultServer.rootMsgFolder)
+            defaultServer.rootFolder == defaultServer.rootMsgFolder)
           defaultServer.PerformBiff(msgWindow);        
 
         SelectFolder(startFolder.URI);