Calendar with information

I need a calender sort of like this one: <[login to view URL]> Each resort can be selected then you can choose what dates you want. Once you do this it will show the point value for the resorts on that date range. I also need to be able to change the point amount and the cost manually or in bulk for each date. ## Deliverables this probably needs a back-end that can be logged into so that the point amounts, the rate of points and the other stuff can be changed manually.