Help with selectdb in dbi module

Hi Tim,

 I wrote a small script that connect to SQL Server engine.I don't want to
give the name of the databse in the connection string.I want to select a db
on the fly only if it present.I tried $dbh->selectdb($databasename) but this
failed throwing error can't able to locate object method "selectdb" in
package dbi::db.Please help me on this.I work with microsoft sql server
2005.

-- 
ALWAYS KEEP SMILING

FOR U EVER,

    G.MANIKANDAN