Add Availability Calendar

I need to improve my admin area 1. In the section Add Cruises/Add availability a) Add availability booking calendar that allow admin set the days b) Days of availability should show in the website page Cruise-Detailed c) Days of availability should show in the website page Cruise List view 2. In the section Admin Add Cruises/Add Description and show it in the website a) Modify the section Cruise Lenght to choose from a list the list is: 1-2 nights 3-5 nights 6-8 nights 9-11 nights 12 + nights b) Add a new section List called Destination that allow to choose the list is: Alaska All Alaska - Gulf of Alaska Alaska - Inside passage Bahamas Bermudas Canada/New England/NY Caribbean - All Caribbean - Eastern Caribbean - Southen Caribbean - Western Coastal - West Coast Cruise to Nowhere Europe - All Europe - I. Mediterranean Europe - Mediterranean - All Europe - Northern Europe - W. Mediterranean Europe - Western Exotic - Asia/Africa/Other Galapagos Hawaii Mexico Pacific Crossing Panama Canal/C America South America South Pacific - All South Pacific - Australia South Pacific - Tahiti Transatlantic US - All US - Pacific / Northwest World Cruise Ship