// JavaScript Document

function commcalc()
{

if (isNaN(document.commissioncalc.housevalue.value)) {
alert('Please enter only numerical values into House Value.');
}

if (isNaN(document.commissioncalc.commission.value)) {
alert('Please enter only numerical values into Commission %.');
}

else
	var myHousevalue = document.commissioncalc.housevalue.value
	var myCommission = document.commissioncalc.commission.value

	var mySaving =  (((myCommission / 100) * myHousevalue) * 1.175)
	
	document.commissioncalc.saving.value= '£' + (mySaving.toFixed(2));
}

function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}