1st trick - wires and actors in the restaurant area.
2nd trick - actor inside, actors holding the paper, sliding glass panel.
3rd trick - actor or editing and hypnotic suggestion.
4th trick - actor or editing and hypnotic suggestion.
Watch some of these Derren Brown videos for a better idea of how the last two Criss Angel tricks were done:
http://www.channel4.com/entertainmen...control/video/