protected boolean isAnyoneAtCoords(int[] xy)
	{
		PairList<Item, int[]> coords = this.coordinates;
		if(coords != null)
		{
			for(final Iterator<int[]> i = coords.secondIterator(); i.hasNext();)
			{
				if(Arrays.equals(xy, i.next()))
					return true;
			}
		}
		return false;
	}