I have a picture in it alot of connector as circles like a pictuer i attach as an example
i move the mouse on that certian circle for sure it give me alot (x,y)s in it
and i need when the user click on any (x,y) inside the circle it give me the point on the circle center
http://www.arabteam2000-forum.com/uploads/monthly_06_2007/post-30356-1182010758.jpg