iCal feed for opencats calendar - contribution from the forums

[RussH]

from@dveos on the forum http://forums.opencats.org/viewtopic.php?f=2&t=572

Url works as follows:- http://site.url/ajax.php?f=iCalFeed&s=###&u=LOGINUSERNAME&p=LOGINPASSWORD

Replace the ### with your site id and the other url parts lib.zip