function formatDate(datSource,sFormat = 'y-m-d', sSeparator = "-")
{
	
	var sResult = "";

	if (typeof datSource == 'object') {
	  
		var sYear = datSource.getFullYear().toString();
		var sMonth = "0" + (datSource.getMonth() + 1).toString();
		  sMonth = sMonth.substring(sMonth.length - 2);
		var sDay = "0" + datSource.getDate().toString();
		  sDay = sDay.substring(sDay.length - 2);

		for (var sFormatItem of  sFormat.split(sSeparator))
		{
			
			if (sResult.length > 0)
			  sResult = sResult + sSeparator;

			switch (sFormatItem.toUpperCase()) {
			  
			case "Y":
			case "A":
				sResult = sResult + sYear;
				break;

			case "M":
				sResult = sResult + sMonth;
				break;

			case "D":
				sResult = sResult + sDay;
				break;

			}
			  
		}

	}
  
	return sResult;

}

function setDateValues(sIDControlsCalendar, datMin = undefined, datMax = undefined, sControlIndetifier = "#")
{
	
	loDateMax = (datMax == undefined || datMax == null) ? new Date() : datMax;
	loDateMin = (datMin == undefined || datMin == null) ? new Date() : datMin;



	var sDatMin = "";
	
	if (datMin != undefined && (typeof datMin != 'string' || datMin.length > 0))
	{
		
		if (typeof datMin == 'string' || typeof datMin == 'number')
		{
			loDateMin = new Date();
			loDateMin.setDate(loDateMax.getDate() - datMin);
		} else
			loDateMin = datMin;
		
		sDatMin = formatDate(loDateMin);
		
	} else
		sDatMin = formatDate(loDateMin);
	
	
		
	var sDatMax = "";
		
	if (datMax != undefined && (typeof datMax != 'string' || datMax.length > 0))
	{
		
		if (typeof datMax == 'string' || typeof datMax == 'number')
		{
			loDateMax = new Date();
			loDateMax.setDate(loDateMin.getDate() + datMax);
		} else
			loDateMax = datMax;
		
		sDatMax = formatDate(loDateMax);
		
	} else
		sDatMax = formatDate(loDateMax);
	  
	for (var oControlCalendar of document.querySelectorAll(sControlIndetifier + sIDControlsCalendar.split(".").join("|").split(",").join("|").split(";").join("|").split(" ").join("").split("|").join(", " + sControlIndetifier))) {

		if (sDatMin.length > 0)
			oControlCalendar.min = sDatMin;

		if (sDatMax.length > 0)
			oControlCalendar.max = sDatMax;

	}

}

function configControlDateFronTo(sIDControlCalendarFrom, sIDControlCalendarTo, datMin = undefined, datMax = undefined) {
	
		
	var loControlFrom = (typeof sIDControlCalendarFrom == "string") ? document.getElementById(sIDControlCalendarFrom.trim()) : sIDControlCalendarFrom;
	var loControlTo = (typeof sIDControlCalendarTo == "string") ? document.getElementById(sIDControlCalendarTo.trim()) : sIDControlCalendarTo;
	
	setDateValues(loControlFrom.id + "," + loControlTo.id, datMin, datMax);
	
	loControlFrom.value = loControlFrom.min;
	loControlFrom.addEventListener('change', function(e) {
		
		setCalendarFromTo(loControlFrom.id, loControlTo.id);
	});
	
    loControlTo.value = loControlTo.max;
	loControlTo.addEventListener('change', function(e) {
		
		setCalendarFromTo(loControlFrom, loControlTo);
	});
	
}

function setCalendarFromTo(sIDControlCalendarFrom, sIDControlCalendarTo)
{

	var oControlCalendarFrom = (typeof sIDControlCalendarFrom == "string") ? document.getElementById(sIDControlCalendarFrom.trim()) : sIDControlCalendarFrom;
	var oControlCalendarTo = (typeof sIDControlCalendarTo == "string") ? document.getElementById(sIDControlCalendarTo.trim()) : sIDControlCalendarTo;
    
    var sValueFrom = oControlCalendarFrom.value;
    var sValueTo = oControlCalendarTo.value;

    if (sValueFrom.length > 0)
      oControlCalendarTo.min = sValueFrom;

    if (sValueTo.length > 0)      
      oControlCalendarFrom.max = sValueTo;

}