Data Structure (hotels & rooms search engine)

Description of the needed Data Base 1-A drop list of countries list (alphabetical Listing) 2-When click on country a drop list of cities shows in the same page 3-When click on City a drop list of Hotels is shown in the same page (updateable by a friendly user interface ) 4-When click on a hotel a form is shown with options of Rooms for individuals, couples, families, number of children's,etc...(updateable by a friendly user interface ) 5-Search engine for the website internally (As in city search hotel search, etc..) Example (See [login to view URL] ) 6-Admin Area. This search engine will be for a website.