gecko/browser/locales/en-US/chrome/browser-region/region.properties

# Default search engine
browser.search.defaultenginename=Google

# Search engine order (order displayed in the search bar dropdown)s
browser.search.order.1=Google
browser.search.order.2=Yahoo

# This is the default set of web based feed handlers shown in the reader
# selection UI
browser.contentHandlers.types.0.title=Bloglines
browser.contentHandlers.types.0.uri=http://www.bloglines.com/login?r=/sub/%s
browser.contentHandlers.types.1.title=My Yahoo
browser.contentHandlers.types.1.uri=http://add.my.yahoo.com/rss?url=%s
browser.contentHandlers.types.2.title=Google
browser.contentHandlers.types.2.uri=http://fusion.google.com/add?feedurl=%s

# Keyword URL (for location bar searches)
keyword.URL=http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=

# increment this number when anything gets changed in the list below.  This will
# cause Firefox to re-read these prefs and inject any new handlers into the 
# profile database.  Note that "new" is defined as "has a different URL"; this
# means that it's not possible to update the name of existing handler, so 
# don't make any spelling errors here.
gecko.handlerService.defaultHandlersVersion=2

# The default set of protocol handlers for webcal:
gecko.handlerService.schemes.webcal.0.name=30 Boxes
gecko.handlerService.schemes.webcal.0.uriTemplate=http://30boxes.com/external/widget?refer=ff&url=%s

# The default set of protocol handlers for mailto:
gecko.handlerService.schemes.mailto.0.name=Yahoo! Mail
gecko.handlerService.schemes.mailto.0.uriTemplate=http://compose.mail.yahoo.com/?To=%s 
gecko.handlerService.schemes.mailto.1.name=Gmail
gecko.handlerService.schemes.mailto.1.uriTemplate=https://mail.google.com/mail/?extsrc=mailto&url=%s