_rotate to mouse

i am trying a sword thing where when the mouse moves to the right then the MovieClip _rotate+=5. and when it moves to the left: _rotate-=5.

any help?

Also here’s what i got so far:

onClipEvent (load) {
startDrag("", true);

the AS is not gonna be much help lol.
I was thinking of a
onClipEvent (mouseMove)
if …