protected boolean loadField(DDFRecord record,String tagName,int fieldIndex){
  if (fields.get(tagName) == null) {
    DDFField ddf=record.findField(tagName,fieldIndex);
    if (ddf != null) {
      fields.put(tagName,ddf);
      ddf.toString();
      return true;
    }
  }
  return false;
}

protected boolean loadField ( DDFRecord record , String tagName , int fieldIndex ) { if ( fields . get ( tagName ) == null ) { DDFField ddf = record . findField ( tagName , fieldIndex ) ; if ( ddf != null ) { fields . put ( tagName , ddf ) ; ddf . toString ( ) ; return true ; } } return false ; }
if a field has not been loaded , load it from the ddfrecord if it exists and add it to the master field hashtable .
