> You wrote: "to move the mouse pointer out of the center of the screen so that it didn't obstruct and distract from the page being displayed."
so when you clicked on your media player it moved the mouse pointer??
There was no mouse or keyboard attached to the machine. There was no media player software running, just firefox viewing a HTML/javascript page.
I used a command-line tool (xwit) to inject a mouse movement action into the input event queue