how to make infinite intervals?

I see there is a isfinite(interval) function. So there must be something
like a infinite interval.

An infinite interval would be yuite handy for me at the moment. But i
have no clue how to make one.

interval 'infinity' does not do the trick. :)


Thank you

--
Tilman Baumann
Software Developer
Collax GmbH . Boetzinger Straße 60 . 79111 Freiburg . Germany

p: +49 (0) 761-4514-836
f: +49 (0) 761-4563-793

****** Meet us at CeBIT  ******
LinuxPark, Halle 5, Stand E64/6