Updated "find position" function

findPosOld: PPK's original find position function
findPos: PPK's current find position function
findPosNew: Updated findPos function for elements
in scrollable containers
findPosNew2: Updated findPosNew function for fixed
position containers

Note: If you are using Opera, findPosNew
and findPosNew2 behave identically.

This block is scrollable.

This block is position:fixed; and scrollable.

This block is position:fixed;