return count( $this->catalogs );
        }
        
-       public function Get_Dsn( $catalog_id )
-       {
-               // Construct a valid dsn
-               $dsn = array();
-        $dsn['hostspec'] = $this->catalogs[$catalog_id]["host"];
-        $dsn['username'] = $this->catalogs[$catalog_id]["login"];
-               $dsn['password'] = $this->catalogs[$catalog_id]["password"];
-               $dsn['database'] = $this->catalogs[$catalog_id]["db_name"];
-               $dsn['phptype']  = $this->catalogs[$catalog_id]["db_type"];
-               return $dsn;
-       }
-       
        public function getDSN( $catalog_id ) 
        {
                $dsn = '';