'OpenURL: Retrieves URL off the Web.
Required argument: Fully-qualified URL
Keyword argument to: Target file for saving downloaded data
Keyword argument toWindow: Target window for resource at URL (-1 for top window, 0 for new window)
Keyword argument Flags: Valid Flags settings are: 1-Ignore the document cache; 2-Ignore the image cache; 4-Operate in background mode.
Keyword argument FormData: data to post
Keyword argument MIME_Type: MIME type of data being posted
Keyword argument _attributes: AppleEvent attribute dictionary'

def OpenURL(self, _object, _attributes={}, **_arguments):

    _code = 'WWW!'
    _subcode = 'OURL'
    aetools.keysubst(_arguments, self._argmap_OpenURL)
    _arguments['----'] = _object
    (_reply, _arguments, _attributes) = self.send(_code, _subcode, _arguments, _attributes)
    if _arguments.get('errn', 0):
        raise aetools.Error, aetools.decodeerror(_arguments)
    if _arguments.has_key('----'):
        return _arguments['----']
