private String shortenNumber(long number, int len)
	{
		String s=""+number;
		char c='d';
		while(s.length()>len)
		{
			number=Math.round(number/1000);
			switch(c)
			{
			case 'd': c='k'; break;
			case 'k': c='m'; break;
			case 'm': c='b'; break;
			case 'b': c='t'; break;
			case 't': c='q'; break;
			}
			s=""+number+Character.toString(c);
		}
		return s;
	}