function calculate(number1, number2, number3, populateControl)
{
	var outputNumber = parseInt(number1) * parseInt(number2) * number3;
	populateControl.value = '$' + outputNumber.toFixed(2);
	if (populateControl.value == '$NaN' || populateControl.value == '$0.00')
		{
		populateControl.value = ''
		}
}


function extCalculate(number1, number2, number3, populateControl)
{
	var outputNumber = (parseInt(number1) + parseInt(number2)) * number3;
	populateControl.value = '$' + outputNumber.toFixed(2);
}