Segue abaixo o erro decorrente
Warning: mssql_query() [function.mssql-query]: message: Unclosed quotation mark before the character string '??, ''. (severity 15) in C:\AppServ\www\_Shop\modules\mssql.class.php on line 124

Warning: mssql_query() [function.mssql-query]: Query failed in C:\AppServ\www\_Shop\modules\mssql.class.php on line 124