Purpose: Extract ICS link from embedded Google Calendar.
Bookmarklet: gcal2ics
Example:
When used from http://www.huntingtoncommunitygardens.com/8.html, yields:
URL of web page with embedded Google Calendar:
http://www.huntingtoncommunitygardens.com/8.html
ICS (iCalendar) URL for that calendar:
http://www.google.com/calendar/ical/communitygardenshunt%40gmail.com/public/basic.ics