friendly = function()
{
	var o = {
		size : function(bytes)
			{
				K = 1024;
				M = K * K;
				rtn = "";
				if (bytes < K)
					return bytes + "B";
				if ((K <= bytes) && (bytes < M))
				{
					if ((bytes % K) == 0)
						rtn = parseInt(bytes/K);
					else
						rtn = (bytes/K).toFixed(2);
					return (rtn + "KB");
				}
				if ((bytes % M) == 0)
					rtn = parseInt(bytes/M);
				else
					rtn = (bytes/M).toFixed(2);
				return (rtn + "MB");
			}
		,
		time : function(secs)
			{
				minute = 60;
				hour = minute * minute;
				rtn = "";
				h = Math.floor(secs / hour);
				secs %= hour;
				m = Math.floor(secs / minute);
				secs %= minute;
				if (h > 0) rtn += h + " ชั่วโมง ";
				if (m > 0) rtn += m + " นาที ";
				rtn += secs + " วินาที";
				return rtn;
			}
	}
	return o;
}