import mx.core.UIComponent;
private function removeFromLayout(event:MouseEvent):void
{
(event.target as UIComponent).includeInLayout = false;
(event.target as UIComponent).startDrag();
}
private function reincludeInLayout(event:MouseEvent):void
{
(event.target as UIComponent).stopDrag();
(event.target as UIComponent).includeInLayout = true;
}