def mouse_up_right_at(self,locator,coordString):
self.do_command("<STR_LIT>", [locator,coordString,])<EOL>
Simulates the event that occurs when the user releases the right mouse button (i.e., stops
holding the button down) at the specified location.

'locator' is an element locator
'coordString' is specifies the x,y position (i.e. - 10,20) of the mouse      event relative to the element returned by the locator.