GetScrollInfo()
A new object with the following properties:
vscrollbar - the vertical scrollbar object, if any.
vvisible - the percentage of the specified object visible vertically.
vpos - the vertical scroll position of the specified object as a percentage.
hscrollbar - the horizontal scrollbar object, if any.
hvisible - the percentage of the specified object visible horizontally.
hpos - the horizontal scroll position of the specified object as a percentage.
This function gets the scroll position, scroll size and name of the scrollbar attached to an Object. The Return Value of the function is a new object containing the properties listed above.