Brings up a web browser with the address in a Google map.

def browseMaps( self ):
        """
        Brings up a web browser with the address in a Google map.
        """
        url    = self.urlTemplate()
        params = urllib.urlencode({self.urlQueryKey(): self.location()})
        
        url    = url % {'params': params}
        webbrowser.open(url)