package 
{
	public class Singleton
	{

		private static  var instance:Singleton = new Singleton ();

		public function Singleton()
		{
			if (instance)
			{
				throw new Error("Singleton and can only be accessed through Singleton.getInstance()");
			}
		}

		public static  function getInstance():Singleton
		{
			return instance;
		}
	}
}