are you going to add your own CGI parameter?
Yes, after parsing QUERY_STRING, all parameters are accessible via
DpsVarListFind* functions in Agent->Vars or Env->Vars.
FYI: the list of all CGI parameters available for search.cgi:
http://www.dataparksearch.org/dpsearch-doingsearch.en.html#SEARCH-PARAMS
Maxim
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http://www.dataparksearch.org/ - an open source search engine.