int hw_insertdocument ( int connection, int parent_id, int hw_document )
Uploads a document into the collection with
parent_id.
The document has to be created before with
hw_new_document(). Make sure that
the object record of the new document contains at least
the attributes: Type, DocumentType, Title and Name. Possibly
you also want to set the MimeType. The functions returns the
object id of the new document or FALSE.
