you can use CamUniversal for this purpose.
CamPermanent has additional the ability to record permanent from your cameras. But it seems, that you don't need this feature!
Comparison of the products: http://www.crazypixels.com/compare.htm
With Camuniversal you can run the motion detector and capture a picture or record a video if a motion occurs.
The picture could be sended by email direct when the motion occurs.
If you record a video at motion detection, you can record as long as a motion is there or you record for a certain length.
You can use the scheduler to send these recorded videos by email or upload them via ftp in intervals.
To view your cameras live form your website you can use the integrated webserver. Sample: http://www.crazypixels.com/camuni-cam.htm