function vatcalculatortwo() { var totalnet = (Number(document.vatcalculator2.totalgross.value))/(1 + Number((document.vatcalculator2.rate.value)/100)); var totalnet = totalnet.toFixed(2); document.vatcalculator2.totalnet.value=totalnet; var goodsnet = (Number(document.vatcalculator2.goodsgross.value))/(1 + Number((document.vatcalculator2.rate.value)/100)); var goodsnet = goodsnet.toFixed(2); document.vatcalculator2.goodsnet.value=goodsnet; var deliverynet = (Number(document.vatcalculator2.deliverygross.value))/(1 + Number((document.vatcalculator2.rate.value)/100)); var deliverynet = deliverynet.toFixed(2); document.vatcalculator2.deliverynet.value=deliverynet; var vattotal = (Number(document.vatcalculator2.totalgross.value)) - Number(document.vatcalculator2.totalnet.value); var vattotal = vattotal.toFixed(2); document.vatcalculator2.vattotal.value=vattotal; var vatgoods = (Number(document.vatcalculator2.goodsgross.value)) - Number(document.vatcalculator2.goodsnet.value); var vatgoods = vatgoods.toFixed(2); document.vatcalculator2.vatgoods.value=vatgoods; var vatdelivery = (Number(document.vatcalculator2.deliverygross.value)) - Number(document.vatcalculator2.deliverynet.value); var vatdelivery = vatdelivery.toFixed(2); document.vatcalculator2.vatdelivery.value=vatdelivery; }