/*
     FILE ARCHIVED ON 11:31:04 Jan 16, 2014 AND RETRIEVED FROM THE
     INTERNET ARCHIVE ON 5:57:44 Nov 3, 2016.
     JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
/*
ADDS_2007

Author  : Alex Dredge
Date    : 04/03/2007
Usage   : StartCountDown(string, int, string);
Notes   : Count down value passed in must be in seconds

Count Down timer to calculate how many days, hours, minutes and seconds left till a specific date

*/


var _arrCountDownContainers = new Array();
var _arrCountDownSeconds = new Array();
var _arrCountDownCallbacks = new Array();

var _countDownTimer = 0;

function _cdt_CountDownTick()
{
	var activeCount = 0;
	for (var key in _arrCountDownSeconds)
	{
		var curSeconds = _arrCountDownSeconds[key];
		if (curSeconds < 0)
			continue;
		
		if (curSeconds == 0)
		{
			_cdt_TimeOver(key);
			continue;
		}
		
		_cdt_ApplyCountdownText(key);
		activeCount++;
	}
	
	if (activeCount > 0)
		_countDownTimer = window.setTimeout("_cdt_CountDownTick()", 100);
}

function _cdt_TimeOver(key)
{
	_arrCountDownSeconds[key] = -1;
	var strCallback = _arrCountDownCallbacks[key];
	if (strCallback && strCallback.length > 0)
	{
		eval(strCallback + "();");
	}
}

function StartCountDown(strContainerID, initialValue, strCallback)
{
	if (typeof initialValue == "undefined")
	{
		if (_arrCountDownSeconds[strContainerID] && _arrCountDownSeconds[strContainerID] < 0)
		{
			_arrCountDownSeconds[strContainerID] = _arrCountDownSeconds[strContainerID] * -1;
			_arrCountDownContainers[strContainerID].setAttribute("initial_timer_value", _arrCountDownSeconds[strContainerID] + "");
			_arrCountDownContainers[strContainerID].setAttribute("activation_time", _cdt_GetCurrentTime() + "");
			
			RestartCountdownTimer(1);
		}
		return;
	}
	
	var objContainer = document.getElementById(strContainerID);
	if (!objContainer)
	{
		alert("count down error: container does not exist: " + strContainerID + "\nmake sure html element with this ID exists");
		return;
	}

	if (is_array(initialValue))
	{
		var dtNow = new Date();
		var dtFuture = _cdt_ArrayToDate(initialValue);
		if (dtFuture < dtNow)
		{
			alert("count down error: can't use past date as initializer");
			return;
		}
		initialValue = parseInt(((dtFuture.getTime() - dtNow.getTime()) / 1000));
	}
	
	objContainer.setAttribute("activation_time", _cdt_GetCurrentTime() + "");
	objContainer.setAttribute("initial_timer_value", initialValue + "");
	
	_arrCountDownContainers[strContainerID] = objContainer;
	_arrCountDownCallbacks[strContainerID] = strCallback;
	_cdt_ApplyCountdownText(strContainerID);
	
	RestartCountdownTimer(1000);
}

function DateDifferenceSecs(startdate, enddate) {
    Math.ceil((enddate.getTime() - startdate.getTime()) / 1000);
}

function RestartCountdownTimer(value)
{
	if (_countDownTimer)
		window.clearTimeout(_countDownTimer);
	_countDownTimer = window.setTimeout("_cdt_CountDownTick()", value);
}

function StopCountDown(strContainerID)
{
	if (_arrCountDownSeconds[strContainerID] && _arrCountDownSeconds[strContainerID] > 0)
	{
		_arrCountDownSeconds[strContainerID] = _arrCountDownSeconds[strContainerID] * -1;
	}
}

function DeactivateAllCountdowns()
{
	for (var key in _arrCountDownSeconds)
	{
		StopCountDown(key);
	}
}

function ActivateAllCountdowns()
{
	for (var key in _arrCountDownSeconds)
	{
		StartCountDown(key);
	}
}

function SetInitialTime(strContainerID, initialValue)
{
	var nValue = parseInt(initialValue);
	if (isNaN(nValue))
	{
		alert("invalid number: " + initialValue);
		return;
	}

	if (nValue < 0)
		nValue = 0;
	
	var objContainer = _arrCountDownContainers[strContainerID];
	if (objContainer)
	{
		objContainer.setAttribute("activation_time", _cdt_GetCurrentTime() + "");
		objContainer.setAttribute("initial_timer_value", nValue + "");
	}
}

function GetCurrentTime(strContainerID)
{
	var objContainer = _arrCountDownContainers[strContainerID];
	if (objContainer)
	{
		return _cdt_GetRealSeconds(objContainer);
	}
	return 0;
}


function is_array(input)
{
	return (typeof(input) == 'object' && (input instanceof Array));
}

function _cdt_ApplyCountdownText(strContainerID)
{
	//get container:
	var objContainer = _arrCountDownContainers[strContainerID];

	//get format:
	var strFormat = objContainer.getAttribute("time_format");
	var blnCustomFormat = true;
	if (!strFormat || strFormat.length == 0)
	{
		strFormat = "%h:%m:%s";
		blnCustomFormat = false;
	}

	//get real seconds
	var seconds = _cdt_GetRealSeconds(objContainer);
	
	//store:
	_arrCountDownSeconds[strContainerID] = seconds;
	
	//build text:
	var strText = "";
	
	//time over?
	var strFinishTime = objContainer.getAttribute("finish_value");
	if (strFinishTime && strFinishTime.length > 0)
	{
		var nFinishTime = parseFloat(strFinishTime);
		if (!isNaN(nFinishTime) && seconds < nFinishTime)
		{
			_cdt_TimeOver(strContainerID);
			return;
		}
	}

	//raw?
	if (strFormat == "RAW")
	{
		strText = parseFloat(seconds.toFixed(2));
	}
	else
	{
		//get minutes:
		var minutes = parseInt(seconds / 60);
		
		//shrink:
		seconds = (seconds % 60);
		
		//get hours:
		var hours = parseInt(minutes / 60);
		
		//shrink:
		minutes = (minutes % 60);
		
		//get days:
		var days = parseInt(hours / 24);
	
		//shrink:
		hours = (hours % 24);
		
		//need to add zero?
		if (!blnCustomFormat)
		{
			hours = AddZero(hours);
			minutes = AddZero(minutes);
			seconds = AddZero(seconds);
		}
		strText = strFormat.replace("%d", days + "").replace("%h", hours + "").replace("%m", minutes + "").replace("%s", seconds + "");
	}
	
	//apply:
	objContainer.innerHTML = strText;
}

function AddZero(num)
{
	return ((num >= 0)&&(num < 10))?"0"+num:num+"";
}

function _cdt_GetCurrentTime()
{
	var objDate = new Date();
	return objDate.getTime();
}

function _cdt_GetRealSeconds(objContainer)
{
	var nCurrentTime = _cdt_GetCurrentTime();
	var nActivationTime = parseInt(objContainer.getAttribute("activation_time"));
	var nInitialValue = parseFloat(objContainer.getAttribute("initial_timer_value"));
	var nMiliSecondsDiff = (nCurrentTime - nActivationTime);
	var nTotalDifference = parseInt(nMiliSecondsDiff / 1000);
	var strSecondValue = objContainer.getAttribute("second_value");
	if (strSecondValue && strSecondValue.length > 0)
	{
		var nSecondValue = parseFloat(strSecondValue);
		if (!isNaN(nSecondValue))
			nTotalDifference = parseFloat(nTotalDifference) * nSecondValue;
	}
	return (nInitialValue - nTotalDifference);
}

function _cdt_ArrayToDate(arrDateTimeParts)
{
	var dtFuture = new Date();
	var day = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 0, 1, 31, "day", 0, dtFuture.getDate());
	var month = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 1, 1, 12, "month", -1, dtFuture.getMonth());
	var year = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 2, 200, 3200, "year", 0, dtFuture.getFullYear());
	var hours = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 3, 0, 23, "hour", 0, dtFuture.getHours());
	var minutes = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 4, 0, 59, "minute", 0, dtFuture.getMinutes());
	var seconds = _cdt_ParseArrayItemToNumber(arrDateTimeParts, 5, 0, 59, "second", 0, dtFuture.getSeconds());
	dtFuture.setDate(day);
	dtFuture.setMonth(month);
	dtFuture.setFullYear(year);
	dtFuture.setHours(hours);
	dtFuture.setMinutes(minutes);
	dtFuture.setSeconds(seconds);
	return dtFuture;
}

function _cdt_ParseArrayItemToNumber(arrValues, index, minValue, maxValue, strCaption, offset, defaultValue)
{
	if (index >= 0 && index < arrValues.length)
	{
		var nValue = parseInt(arrValues[index]) + offset;
		if (isNaN(nValue) || nValue < minValue || nValue > maxValue)
		{
			alert(arrValues[index] + " is invalid " + strCaption + ", using current " + strCaption);
		}
		else
		{
			return nValue;
		}
	}
	return defaultValue;
}