jQuery mousewheel.js Test with jQuery 
        
        
            - Test1 is just using the plain on 
mousewheel() with a function passed in and does not prevent default. (Also logs the value of pageX and pageY event properties.) 
            - Test2 should prevent the default action.
 
            - Test3 should only log a 
mouseover and mouseout event. Testing unmousewheel(). 
            - Test4 has two handlers.
 
            - Test5 is like Test2 but has children. The children should not scroll until mousing over them.
 
            - Test6 is like Test5 but should not scroll children or parents.
 
            - Test7 is like Test6 but has no children. It will propagate the event and scroll test 6 as well.