// Display bio date/year information
// By: Douglas Christensen

function displayYearJoined (joinMonth, joinDate, joinYear)
{
	today = new Date();
	hire = new Date(joinYear, (joinMonth - 1), joinDate);
	
	timespan = today - hire;
	
	if (timespan > 31556926000)
	{
		ret = Math.floor(timespan / 31556926000);
		thespan = 'year';
	}
	else if (timespan > 2629743000)
	{
		ret = Math.floor(timespan / 2629743000);
		thespan = 'month';
	}
	else
	{
		ret = Math.floor(timespan / 86400000);
		thespan = 'day';
	}

	if (joinMonth == 0 && joinDate == 0 && joinYear == 0)
	{
		return 'Unknown';
	}
	else if (ret != 1)
	{
		return ret + ' ' + thespan + 's';
	}
	else
	{
		return ret + ' ' + thespan;
	}
}