<code lang="Java">

public static String formatDuration(long lMs)
	{
		// Validate
		if (lMs > 0L)
		{
			// -- Declare variables
			String strDays = "";
			String strHours = "";
			String strMinutes = "";
			String strSeconds = "";
			String strMillisecs = "";
			String strReturn = "";
			long lRest;

			// -- Find values
			// -- -- Days
			strDays = String.valueOf(lMs / 86400000L);
			lRest = lMs % 86400000L;
			// -- -- Hours
			strHours = String.valueOf(lRest / 3600000L);
			lRest %= 3600000L;
			// -- -- Minutes
			strMinutes = String.valueOf(lRest / 60000L);
			lRest %= 60000L;
			// -- -- Seconds
			strSeconds = String.valueOf(lRest / 1000L);
			lRest %= 1000L;
			// -- -- Milliseconds
			strMillisecs = String.valueOf(lRest);

			// -- Format return
			// -- -- Days
			if (new Integer(strDays).intValue() != 0)
			{
				strReturn += strDays + "day ";
			}
			// -- -- Hours
			if (new Integer(strHours).intValue() != 0)
			{
				strReturn += strHours + "hr ";
			}
			// -- -- Minutes
			if (new Integer(strMinutes).intValue() != 0)
			{
				strReturn += strMinutes + "min ";
			}
			// -- -- Seconds
			if (new Integer(strSeconds).intValue() != 0)
			{
				strReturn += strSeconds + "sec ";
			}
			// -- -- Milliseconds
			if (new Integer(strMillisecs).intValue() != 0)
			{
				strReturn += strMillisecs + "ms";
			}

			return strReturn;
		}
		else if (lMs == 0L)
		{

			return "0ms";
		}
		else
		{
			return "-1";
		}
	}

</code>