This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
This method ( getposOffset(obj, "top") ) return the absolute height of the object on the page, but I want to know the height of the object to the top edge, not top of the page. As I scroll down, the height/distance between the object and the edge keep changes, that is what I need to know.