So I was trying to write a function that can find a button (or any other XPath Element) and scroll the page + move the mouse to the location of the button. My logic for this was: 1. get position of button using _FFGetPosition 2. get inner dimensions of browser window and total dimensions of page 3. divide total dimensions by inner dimensions to get number of page down operations 4. use Mod() to get remaining pixels offset 5. MouseMove() and add requisite offsets for Titlebar etc (