multiple database backup simultaniously using sql script

Now Its easy to take the multiple database backup  simultaniously using below script. Below script  is only for sql server

USE MASTER

GO

BACKUP DATABASE [PraveenDB]

TO DISK = 'D:\05312011\PraveenDB.bak'

GO

BACKUP DATABASE [TestDB]

TO DISK = 'D:\05312011\TestDB.bak'

GO

BACKUP DATABASE [Lookups]

TO DISK = 'D:\05312011\Lookups.bak'

GO

BACKUP DATABASE [StudentDB]

TO DISK = 'D:\05312011\StudentDB.bak'

GO

BACKUP DATABASE [ResultDB]

TO DISK = 'D:\05312011\ResultDB.bak'

GO