function processForm () {
	
	var fuelPrice = document.calculator.fuelPrice.value;
	var fuelConsumption = document.calculator.fuelConsumption.value;
	var mileage = document.calculator.mileage.value;
	var fleetSize = document.calculator.fleetSize.value;

	fuelPrice = parseFloat(fuelPrice.replace(/,/, "."));
	fuelConsumption = parseFloat(fuelConsumption.replace(/,/, "."));
	mileage = parseFloat(mileage.replace(/,/, "."));
	fleetSize = parseFloat(fleetSize.replace(/,/, "."));
	
	savings = 0.09 * (fuelConsumption/100) * mileage * fuelPrice * fleetSize;
	
	if (isNaN (savings)) {
		savings = 0;
	}
	
	document.calculator.savings.value = Math.round (savings);
}

function processFormEnvironment () {
	
	var fuelConsumption = document.calculator.fuelConsumption.value;
	var mileage = document.calculator.mileage.value;
	var fleetSize = document.calculator.fleetSize.value;
	
	fuelConsumption = parseFloat(fuelConsumption.replace(/,/, "."));
	mileage = parseFloat(mileage.replace(/,/, "."));
	fleetSize = parseFloat(fleetSize.replace(/,/, "."));
	
	savings = 0.09 * (fuelConsumption/100) * mileage * fleetSize * 2650 / 1000000;
	
	if (isNaN (savings)) {
		savings = 0;
	}
	
	document.calculator.savings.value = Math.round (savings * 10) / 10;
}

function resetForm (fuelPrice, fuelConsumption, mileage, fleetSize, savings) {
		
	document.calculator.fuelPrice.value = fuelPrice;
	document.calculator.fuelConsumption.value = fuelConsumption;
	document.calculator.mileage.value = mileage;
	document.calculator.fleetSize.value = fleetSize;
	document.calculator.savings.value = savings;
}

function resetFormEnvironment (fuelConsumption, mileage, fleetSize, savings) {

	document.calculator.fuelConsumption.value = fuelConsumption;
	document.calculator.mileage.value = mileage;
	document.calculator.fleetSize.value = fleetSize;
	document.calculator.savings.value = savings;
}