hitTestObject Question

Hi,

I may be wrong but as far as I can understand it the hitTestObject() method checks to see whether the object is touching a specific instance of another object? Is there a method I can use where I can check to see if it is touching any Object of a specified class?

OR is there a method I can call where I can see if an Object of a specified class exists at a specific X and Y.

I am actually working in Flex using an Image component as opposed to using Flash.