Hi, I know this topic keeps coming up in this list once in a while. I need it for an internal application. Does any one has a full/partial implementation that they would like to share. I can take it forward instead of starting from scratch. Ganesan -- Ganesan R (rganesan@debian.org>) | http://www.debian.org/~rganesan/ 1024D/5D8C12EA, fingerprint F361 84F1 8D82 32E7 1832 6798 15E0 02BA 5D8C 12EA