A Three Level Drop-Down system

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 I am posting this example because I have seen numerous requests for information on how to create a three level Dynamic Drop Down system.   Frankly I don't understand this as the process is identical to the Dual Dynamic Drop-Down example already posted with the idea simply carried one step further.  This can be used for as many levels as you choose to go.  In this case I've used a single table with three levels of Categories. CategoryID, SubCategoryID, and SubSubCategoryID.

Here Goes:

What Kind of food do you like?