help: running a stored proc on mssql 2000

Hi, I am trying to run the SP 'sp_password' on mssql, using this command: $sql="exec sp_password 'NULL','master','davet')"; Is that the correct way ??? But when I run my script I get a error with this statement.. saying "Incorrect syntax near ')' " $sql_result=mssql_query($sql,$connection); Can't figure the problem. Any idea's. Also, how do I check the returned status ? (linux, using freetds connecting to ms-sql.) Thanks DT