As3 onReleaseOutside

import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.events.Event;
import flash.display.Stage;

public class Wsbutton extends Sprite {

private var button:Sprite;

public function Wsbutton() {
init();

}
private function init():void {
button=new Sprite();
button.graphics.beginFill(0x000000,1);
button.graphics.drawRect(50,50,200,100);
addChild(button);

button.buttonMode=true;
button.addEventListener(MouseEvent.MOUSE_DOWN,buttonPress);
button.addEventListener(MouseEvent.MOUSE_UP,buttonRelease);
button.addEventListener(MouseEvent.MOUSE_OVER,buttonOver);
button.addEventListener(MouseEvent.MOUSE_OUT,buttonOut);
}

private function buttonPress(e:MouseEvent):void {

this.stage.addEventListener(MouseEvent.MOUSE_UP,buttonRelease);

}

private function buttonRelease(e:MouseEvent):void {

this.stage.removeEventListener(MouseEvent.MOUSE_UP,buttonRelease);

if (e.currentTarget != button) {
trace('onReleasedOutside');
} else {

trace('onRelease');
}

}

private function buttonOver(e:MouseEvent):void {
if (e.buttonDown) {

trace('onDragOver');
} else {

trace('onRollOver');
}

}

private function buttonOut(e:MouseEvent):void {
if (e.buttonDown) {
trace('onDragOut');
} else {
trace('onRollOut');
}

}
}

}