Actionscript 3 - mouse over events

I have a movie whereby I have an object in the middle of the movie window, and 10 smaller objects "orbit" it.  This all works fine and dandy (see code).  However, I now need to do something like "if the user mouses over one of the objects, the orbiting for all objects should stop, and do something (like zoom in, animate it, highlight it...something), and then navigate to a URL if the object is actually clicked.

I've been reading about mouse over events in AS3 but I'm having a hard time wrapping my mind around it all.  I'm sure AS3 is better than AS2, but it seems much harder (for a newbie like me anyway).  TIA! :)

import flash.events.Event;
import flash.events.MouseEvent;
import flash.ui.Mouse;

obj1.speed = .1;
obj1.radius = 245;
obj1.xcenter = 358;
obj1.ycenter = 258;
obj1.startAngle = 0;
obj1.angle = obj1.startAngle;

obj2.speed = .1;
obj2.radius = 245;
obj2.xcenter = 358;
obj2.ycenter = 258;
obj2.startAngle = 36;
obj2.angle = obj2.startAngle;

obj3.speed = .1;
obj3.radius = 245;
obj3.xcenter = 358;
obj3.ycenter = 258;
obj3.startAngle = 72;
obj3.angle = obj3.startAngle;

obj4.speed = .1;
obj4.radius = 245;
obj4.xcenter = 358;
obj4.ycenter = 258;
obj4.startAngle = 108;
obj4.angle = obj4.startAngle;

obj5.speed = .1;
obj5.radius = 245;
obj5.xcenter = 358;
obj5.ycenter = 258;
obj5.startAngle = 144;
obj5.angle = obj5.startAngle;

obj6.speed = .1;
obj6.radius = 245;
obj6.xcenter = 358;
obj6.ycenter = 258;
obj6.startAngle = 180;
obj6.angle = obj6.startAngle;

obj7.speed = .1;
obj7.radius = 245;
obj7.xcenter = 358;
obj7.ycenter = 258;
obj7.startAngle = 216;
obj7.angle = obj7.startAngle;

obj8.speed = .1;
obj8.radius = 245;
obj8.xcenter = 358;
obj8.ycenter = 258;
obj8.startAngle = 252;
obj8.angle = obj8.startAngle;

obj9.speed = .1;
obj9.radius = 245;
obj9.xcenter = 358;
obj9.ycenter = 258;
obj9.startAngle = 288;
obj9.angle = obj9.startAngle;

obj10.speed = .1;
obj10.radius = 245;
obj10.xcenter = 358;
obj10.ycenter = 258;
obj10.startAngle = 324;
obj10.angle = obj10.startAngle;

obj1.addEventListener(Event.ENTER_FRAME, doMovement);
obj2.addEventListener(Event.ENTER_FRAME, doMovement);
obj3.addEventListener(Event.ENTER_FRAME, doMovement);
obj4.addEventListener(Event.ENTER_FRAME, doMovement);
obj5.addEventListener(Event.ENTER_FRAME, doMovement);
obj6.addEventListener(Event.ENTER_FRAME, doMovement);
obj7.addEventListener(Event.ENTER_FRAME, doMovement);
obj8.addEventListener(Event.ENTER_FRAME, doMovement);
obj9.addEventListener(Event.ENTER_FRAME, doMovement);
obj10.addEventListener(Event.ENTER_FRAME, doMovement);

function doMovement(event:Event):void {
	
	// Move objects
	var currObj:Object = event.currentTarget;
	currObj.x = Math.cos(currObj.angle*Math.PI/180)*currObj.radius+currObj.xcenter;
	currObj.y = Math.sin(currObj.angle*Math.PI/180)*currObj.radius+currObj.ycenter;
	currObj.angle += currObj.speed;
	if(currObj.angle>359) {
		currObj.angle -= 360;
	}
}

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