// Cleantime Countdown Calculator written by Passaic County Area Service Committee
// Use freely, Thanks for letting me serve
// Find a bug? Email: radius314@yahoo.com
// version 1.20

function setDaysCombobox()
{
	var month = document.getElementById("cd_Month").value;
	var monthLen = 31;
	var today = new Date();
	
	clearComboBox();
	if (month == "") return;
	
	if (month == "3" || month == "5" || month == "8" || month == "10")
	{ 
		monthLen = 30;
	}
	else if (month == "1")
	{			
		monthLen = 28;
		if (isLeapYear(today.getFullYear())) monthLen = 29;
	}
		
	for (var i = 1; i <= monthLen; i++) document.getElementById("cd_Day").options[i] = new Option(i, i, "", 1);	
	
	document.getElementById("cd_Day").selectedIndex = 1;
}

function setFieldsWithCalendar()
{
	
	var caldate = document.getElementById("f_date").value;		
	var caldate_month = caldate.substring(0, 2);
	if (caldate_month.indexOf("0") == 0) caldate_month = caldate_month.replace("0", "");
	var caldate_day = caldate.substring(3);
	if (caldate_day.indexOf("0") == 0) caldate_day = caldate_day.replace("0", "");
    
	document.getElementById("cd_Month").options[caldate_month].selected = true;
	setDaysCombobox();
	document.getElementById("cd_Day").options[caldate_day].selected = true;
	calc();
}

function isLeapYear(Year) 
{
	if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) 
		return true; 
	else 
		return false;
}

function clearComboBox()
{
	while (document.getElementById("cd_Day").length > 0)
	{
		document.getElementById("cd_Day").options[0] = null;
	}
}

function calc()
{
	document.getElementById("cd_Result").value = "";	
	if (document.getElementById("cd_Month").value != "" && document.getElementById("cd_Day").value != "")
	{
		var oneDay = 1000 * 60 * 60 * 24;		
		var today = new Date();
		var cleanDate = new Date(today.getFullYear(), document.getElementById("cd_Month").value, document.getElementById("cd_Day").value);		
		var difference = cleanDate - today;
		var daysLeft = Math.floor(difference / oneDay);
		var hoursLeft = (23 - today.getHours());
		var minutesLeft = (59 - today.getMinutes());
		var secondsLeft = (59 - today.getSeconds());
		if (today.getHours() == 0 && hoursLeft == 0) daysLeft--;		
		
		if (daysLeft < 0) 
		{			
			if (isLeapYear(today.getFullYear() + 1)) 
				daysLeft = 366 - Math.abs(daysLeft);
			else
				daysLeft = 365 - Math.abs(daysLeft);
		}
		
		if ((document.getElementById("cd_Month").value == today.getMonth()) && (document.getElementById("cd_Day").value == today.getDate()))
		{
			document.getElementById("cd_Result").value = "Congratulations!";
		}
		else
		{
			document.getElementById("cd_Result").value = daysLeft + " days, " + hoursLeft + " hours, " + minutesLeft + " minutes, " + secondsLeft + " seconds.";
		}
	}
}