function convertToCurrency(currencyValue) {
	var currencyValueString           = new String(currencyValue);
	var currencyValueStringWithCommas = '';
	for ( n = currencyValueString.length ; n >= 0 ; n = n - 1 ) {
		currencyValueStringWithCommas = currencyValueString.charAt(n) + currencyValueStringWithCommas
		if ( ((currencyValueString.length - n) % 3 == 0) && ( n < currencyValueString.length ) && ( n > 0 ) ) {
			currencyValueStringWithCommas = ',' + currencyValueStringWithCommas;
		}
	}
	return currencyValueStringWithCommas;
}
function calculateSavings() {
	var numberOfEmployees     = parseInt(document.getElementById('numberOfEmployees').value)
	var MonopagesPerPCPerDay  = parseInt(document.getElementById('MonopagesPerPCPerDay').value)
	var ColorpagesPerPCPerDay = parseInt(document.getElementById('ColorpagesPerPCPerDay').value)
	var workingDaysPerYear    = 264
	var tonerCostPerPageMono  = 4
	var tonerCostPerPageColor = 15
	var totalCostMono         = numberOfEmployees * MonopagesPerPCPerDay * workingDaysPerYear * tonerCostPerPageMono
	var totalCostColor        = numberOfEmployees * ColorpagesPerPCPerDay * workingDaysPerYear * tonerCostPerPageColor
	var totalCost             = totalCostMono + totalCostColor
	var savingsPercentage100  = parseInt(document.getElementById('savingsPercentage100').value)
	var savingsPercentage     = savingsPercentage100 / 100
	var amountCostOneYear     = totalCostMono - (totalCostMono * savingsPercentage) + totalCostColor - (totalCostColor * savingsPercentage)
	if (numberOfEmployees < 1)         { var License = numberOfEmployees * 4900 }
        else if (numberOfEmployees < 15)    { var License = numberOfEmployees * 3700; }
	else if (numberOfEmployees < 51)    { var License = numberOfEmployees * 3600; }
	else if (numberOfEmployees < 100)   { var License = numberOfEmployees * 3600; }
	else if (numberOfEmployees < 300)   { var License = numberOfEmployees * 3100; }
	else if (numberOfEmployees < 500)   { var License = numberOfEmployees * 2800; }
	else if (numberOfEmployees < 1000)  { var License = numberOfEmployees * 2600; }
	else { var License = "個別見積"; }
	var amountCost            = totalCost - amountCostOneYear - License
	document.getElementById('savingsPercentage100Display').innerHTML              = convertToCurrency(parseInt(savingsPercentage100))
	document.getElementById('totalCost').innerHTML              = convertToCurrency(parseInt(totalCost))
	document.getElementById('amountCost').innerHTML             = convertToCurrency(parseInt(amountCost))
	document.getElementById('amountCostOneYear').innerHTML      = convertToCurrency(parseInt(amountCostOneYear))
	document.getElementById('License').innerHTML                = convertToCurrency(parseInt(License))
	document.getElementById('workingDaysPerYear').innerHTML     = convertToCurrency(parseInt(workingDaysPerYear))
	document.getElementById('tonerCostPerPageMono').innerHTML          = convertToCurrency(parseInt(tonerCostPerPageMono))
	document.getElementById('tonerCostPerPageColor').innerHTML         = convertToCurrency(parseInt(tonerCostPerPageColor))
}