How to show div when user reach bottom of the page?

Question

When user scrolls to the bottom of the page I want to show some div, with jQuery of course. And if user scrolls back to he top, div fade out. So how to calculate viewport (o

Answer 1

Here's a small edit on the BalusC's code if you want to show a div not a javascript popup:

    
    
    
    


    
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