[HOW] create simple movement in AS3?

dear all

i would like to make a simple movement by using as3

there is only a circle(a MovieClip object) on stage.
when i click any where on stage
then the circle goes to the position i have clicked

for example … circle located at (10,10)
when i click on (100,200)
the circle will then move to (100,200)

any body could help me please ??
thanks