DOCUMENT_NAME: The current filename.
DOCUMENT_URI: The virtual path to this document (such as /docs/tutorials/foo.shtml).
QUERY_STRING_UNESCAPED: The unescaped version of any search query the client sent, with all shell-special characters escaped with \.
DATE_LOCAL: The current date, local time zone. Subject to the
timefmtparameter to the
DATE_GMT: Same as DATE_LOCAL but in Greenwich mean time.
LAST_MODIFIED: The last modification date of the current document. Subject to
timefmtlike the others.