U_gotoclass1	=	Go to a class as participant:
U_gotoclass3	=	Go to a class as supervisor:
U_gotoclass	=	Go to your working class:
U_inscription1	=	Registering yourself in a working class:
U_inscription2	=	Register in another class.
U_clickhere	=	Click here
U_supervise	=	to go to a subclass as supervisor.
U_creatclass	=	Create a new subclass.

