function DestroyObject(object:GameObject)
  {
     //the '5' is how long you want to delay the Destroy command
     //(it only works for the destroy command)
     Destroy(object,5);
  }
  //now declare that in the 'if' statement
  if(GUI.Button(Rect (130,40,80,20), "Yeah"))
  {
     //again, cube is a varible defined elsewhere
     DestroyObject(Cube);
  }
  function OnGUI () {
	// Make a background box
GUI.Box (Rect (10,10,300,90), "Do You Want To Go To the Next Level?");