I worked on a very similar project a few years back, but without lookup and with an altogether different (physical) interface: http://iamsaul.co.uk/projects/mes

I worked on a very similar project a few years back, but without lookup and with an altogether different (physical) interface: http://iamsaul.co.uk/projects/message-box/ http://iamsaul.co.uk/projects/message-box/