No.
Databases cannot be downgraded in version (2008 to 2005, 2005 to 2000)
To get a SQL 2005 DB to SQL 2000 you'll have to script out the schema, bcp out the data and recreate the DB in SQL 2000.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass