def dbh_checklist_3_chx(path, contenttype, extension, roottag, nsurl):
    """ Generic Checklist Handler - Returns checlist for Checklist Files """
    if (extension.lower() == 'chx' or extension.lower() == 'chf' or 
        extension.lower() == 'plx' or extension.lower() == 'plf'
        ) and nsurl.startswith('http://limatix.org'):
        return 'db_limatix_qautils_editor'
    else:
        return False
