private static boolean SmallerThanEpsilon(ArrayList<WebNode> g, ArrayList<WebNode> prevG)
	{
		boolean flag = true;
		double epsilon = 0.0000000000001;
		for (WebNode n : g)
		{
			for (WebNode m : prevG)
			{
				if (n.getUrl().equals(m.getUrl()) && (Math.abs(n.auth - m.auth) >= epsilon))
				{

					flag = false;
					break;
				}
			}
		}
		return flag;
	}