classes = '[{"nom" : "ÀLGEBRA MULTILINIAL", "hora" : "08:00-9:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL2", "hora" : "09:00-10:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL3", "hora" : "10:00-11:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL4", "hora" : "11:00-12:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL5", "hora" : "12:00-13:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL6", "hora" : "13:00-14:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL7", "hora" : "14:00-15:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL8", "hora" : "15:00-16:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL9", "hora" : "16:00-17:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL10", "hora" : "17:00-18:00", "aula" : "S02"}]';

classesAlumne = '[{"nom" : "ÀLGEBRA MULTILINIAL", "hora" : "08:00-9:00", "aula" : "S02"}, {"nom" : "ÀLGEBRA MULTILINIAL3", "hora" : "10:00-11:00", "aula" : "S02"}]'