using remote-duh

I just picked up a remote for my mac mini.I got it to work OK but i cant turn it off.If i hold the pause button down for a couple of seconds it turns off but then goes on again a few seconds later.I ended up doing a hard shut down and dissableing infrared in 'system preferences-security, but that doesnt seem to be right but hard restart is the only way i could get to my desktop start page to be able to get to my Web browser.Any body follow what im saying and have ideas?