demo for a simple real-time gaze experiment
created after SAMPLE EXPERIMENT FOR MACINTOSH, by Dave Stampe , 27 June '97
15-05-01 fwc created first version
22-05-01 fwc debugging with working eyelink.mex
02-06-01 fwc removed use of global el, as suggested by John Palmer.
03-06-01 fwc mouse position is now used for the gazewindow
if running in dummy mode
Psychtoolbox/PsychHardware/EyelinkToolbox/EyelinkDemos/notOSXed/EyelinkDemoExperiment_notOSXed/realtimedemo.m