RichMedia+

/**
 * Replace Displayobject.hitTestObject function.
 * @author Alvin/AedisJu
 * @blog http://blog.richmediaplus.com
 * @param source Hit DisplayObject Source.
 * @param target Hit DisplayObject Target.
 * @return if test target, return true, else flase.
 */		
public static function hitTestTarget(source:DisplayObject, target:DisplayObject):Boolean
{
	var rtnB:Boolean = false;
	if(source.x <= target.x && target.x <= source.x + source.width)
	{
		if(source.y <= target.y + target.height && target.y + target.height <= source.y + source.height)
			return true;
		if(source.y <= target.y && target.y <= source.y + source.height)
			return true;
	}
	if(target.x <= source.x && source.x <= target.x + target.width)
	{
		if(target.y <= source.y + source.height && source.y + source.height <= target.y+ target.height)
			return true;
		if(target.y <= source.y && source.y <= target.y + target.height)
			return true;
	}
	return rtnB;
}