How do I attach a MSSQL 2000 database with only an MDF file

sp_configure 'allow updates', 1
go
reconfigure with override
GO
update sysdatabases set status = 32768 where name = 'TestDB'
go
sp_configure 'allow updates', 0
go
reconfigure with override
GO

DBCC REBUILD_LOG(TestDB,'D:SQL_LogTestDB_Log.LDF')

exec sp_resetstatus TestDB