GoTo next frame after droping all the right pieces

• import flash.events.MouseEvent; 
• import flash.display.DisplayObject; 
•  
•  
• var objectoriginalX:Number; 
• var objectoriginalY:Number; 

var objNum:int = 3;

var correctNum:int = 0;

•  
• blue.buttonMode = true; 
• blue.addEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 
• blue.addEventListener(MouseEvent.MOUSE_UP, dropObject);    
•  
•  
• red.buttonMode = true; 
• red.addEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 
• red.addEventListener(MouseEvent.MOUSE_UP, dropObject); 
•  
•  
• green.buttonMode = true; 
• green.addEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 
• green.addEventListener(MouseEvent.MOUSE_UP, dropObject); 
•  
•  
• function pickupObject(event:MouseEvent):void 
• { 
• event.target.startDrag(); 
• event.target.parent.addChild(event.target); 
• objectoriginalX = event.target.x; 
• objectoriginalY = event.target.y; 
• } 
•  
•  
• function dropObject(event:MouseEvent):void 
• { 
• event.target.stopDrag(); 
• var matchingTargetName:String = "target" + event.target.name; 
• var matchingTarget:DisplayObject = getChildByName(matchingTargetName); 
• if(event.target.dropTarget != null && event.target.dropTarget.parent == matchingTarget) 
• { 
• event.target.removeEventListener(MouseEvent.MOUSE_DOWN, pickupObject); 
• event.target.removeEventListener(MouseEvent.MOUSE_UP, dropObject); 
• event.target.buttonMode = false; 
• event.target.x = matchingTarget.x; 
• event.target.y = matchingTarget.y;

correctNum++;

if(correctNum==objNum){

nextFrame()

}

• } 
• else 
• { 
• event.target.x = objectoriginalX; 
• event.target.y = objectoriginalY; 
• } 
• }