Interactive Timetable

I would like to implement a timetable function onto my site whereby users can design their own timetables, either custom made, or if that's too much, then a standard timetable layout with Days on the top rows of the table and hours down the side or a similar design. Any member of my site should be able to use this timetable and fill it in as they please. I am currently designing my site on wordpress along with buddypress. So ofcourse the timetable has to be private to them, which should be easy enough. I am thinking of perhaps giving people the opportunity to create more than one timetable. But for now simply one will suffice depending on the price. something like in the link below [[login to view URL] [login to view URL]][1] However perhaps a different colour or the option for users to be able to chose there colour, and make blocks different colours. designing the timetable is easy enough, I think that maybe giving users the option to edit would be harder and making it wordpress/buddypress compatible. If not, I am pretty sure I can find a way to install it onto my webpage.