I'm having trouble following the antecedant of "which" in your
question. Did you compare your code to one of the examples?
http://code.google.com/intl/en/apis/maps/documentation/javascript/geocoding.html
The geocoder is an Instance of google.maps.Geocoder(), so you can name
it whatever you want. That Instance has a method named "geocode,"
which takes several arguments. One of the arguments is often called a
GeocodeRequest, but it is just an object literal composed of several
parts. You could create that literal and assign it to a javascript
variable (giving it whatever name you want), but most of the Google
examples just insert the literal into the method call.
- Jeff