Moviclip position

How do i get the movie clip to point at the direction of the mouse, in the x axis, so if the mouse is on the right of the movie clip the movieclip points to the left, if i am at the left side of the movieclip the movieclip points left

this may help
http://www.actionscript.org/tutorials/advanced/Mouse_Angle_Detection_II/index.shtml