function fields($colname)
 {
     if ($this->fetchMode & ADODB_FETCH_ASSOC) {
         return $this->fields[$colname];
     }
     if (!$this->bind) {
         $this->bind = array();
         for ($i = 0; $i < $this->_numOfFields; $i++) {
             $name = @odbtp_field_name($this->_queryID, $i);
             $this->bind[strtoupper($name)] = $i;
         }
     }
     return $this->fields[$this->bind[strtoupper($colname)]];
 }

 function &FetchField($fieldOffset = 0)
 {
     $off = $fieldOffset;
     // offsets begin at 0
     $o = new ADOFieldObject();
     $o->name = odbtp_field_name($this->_queryID, $off);
     $o->type = odbtp_field_type($this->_queryID, $off);
     strstr(PHP_OS, "WIN") ? $o->max_length = odbtp_field_length($this->_queryID, $off) : ($o->max_length = 'unknown');
     if (ADODB_ASSOC_CASE == 0) {
         $o->name = strtolower($o->name);
     } else {
         if (ADODB_ASSOC_CASE == 1) {
             $o->name = strtoupper($o->name);
         }
     }
     return $o;
 }