[Zope] A few questions,

I'm new to Zope, so I will have a few questions over the next few weeks. Working my way through all the docs. For example, how might I accomplish this: http://www.domain.com/home/country/state/metro/community/weather/index_html Now I would like weather/index_html to receive the arguments 'country', 'state', 'metro', 'community' so I can feed them to a SQL query. So on the index_html I add a connect to the database and a sql method, but how to I access the PATH_INFO to wind up with a statement like: select * from weather_data where country = '<!-- ????? -->' and state , etc ... Any help to point me in the right direction will be greatly appreciated. -chad