3. A method of document retrieval in a network environment where documents are stored with corresponding privacy codes comprising: receiving a query by at least one query server having access to a first index of documents available for searching on document servers in said network and privacy codes associated with corresponding documents in said index; said query being associated with an access level identifier of a requester, said access level identifier indicating particular privacy codes of documents authorized for viewing by said requester, wherein said access codes are privately controllable by at least one document custodian; generating by said query server in response to said query, a first list of said documents corresponding to said particular privacy codes indicated by said requester's access level identifier; generating a second index of words in each document in said first list by said query server; and generating by said query in response to said query, a second list of said documents corresponding to said at least one keyword and being included in said first list.
3. A method of document retrieval in a network environment where documents are stored with corresponding privacy codes comprising: receiving a query by at least one query server having access to a first index of documents available for searching on document servers in said network and privacy codes associated with corresponding documents in said index; said query being associated with an access level identifier of a requester, said access level identifier indicating particular privacy codes of documents authorized for viewing by said requester, wherein said access codes are privately controllable by at least one document custodian; generating by said query server in response to said query, a first list of said documents corresponding to said particular privacy codes indicated by said requester's access level identifier; generating a second index of words in each document in said first list by said query server; and generating by said query in response to said query, a second list of said documents corresponding to said at least one keyword and being included in said first list. 5. The method of claim 3 , comprising: providing a secure interface for setting privacy codes by authorized document custodians of each document.