box1_mc.myHomeX = box1_mc.x;

box1_mc.myHomeY = box1_mc.y;

 

box1_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 

box1_mc.addEventListener(MouseEvent.MOUSE_UP, dropObject); 

function pickupObject(event:MouseEvent):void {

 event.target.startDrag(true); 

} 

function dropObject(event:MouseEvent):void {

 event.target.stopDrag();

 if (event.target.dropTarget.parent.name == "target1"){

event.target.x=box1_mc.myHomeX;

event.target.y=box1_mc.myHomeY;

} elseif {

//box1_mc отпущен над target2, то box1_mc.x= target2.x; box1_mc.y= target2.y;

} else {

 box1_mc.x=box1_mc.myHomeX;

 box1_mc.y=box1_mc.myHomeY;

}

 

}

...

box1_mc.addEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 

box1_mc.addEventListener(MouseEvent.MOUSE_UP, dropObject); 

box1_mc.stage.addEventListener(MouseEvent.MOUSE_MOVE, moveObject);

 

function pickupObject(event:MouseEvent):void {

        // ...

} 

function dropObject(event:MouseEvent):void {

        // ...

}

function moveObject(event:MouseEvent):void {

        //...

}

...

box1_mc.stage.addEventListener(MouseEvent.MOUSE_MOVE, moveObject);

function moveObject(event:MouseEvent):void {

        if(box1_mc.hitTestObject(target2))

{

//бокс касается таргет2

}

}