def parseBrowserBase(base_config):
    """ Parses the given option value into type and base url

        @param base_config: The option value
        @type base_config: C{str}

        @return: The type and the base url
        @rtype: C{tuple}
    """
    if base_config:
        tokens = base_config.split(None, 1)
        if len(tokens) == 2:
            return (tokens[0].lower(), tokens[1])

    return (None, None)