PHP calendar for Room booking with Mysql checking

As a part of my Project I am supposed to develop a Room booking Website. As an advanced feature i need to have an Calendar for each room, showing on which dates the room has already been booked. I have the list of available rooms in my database. Can any1 suggest me a calendar script that could check with the database and show if the room is available or not o开发者_JS百科n that date??