function toggleOther(selectField, otherField)
{
	//if (selectField.options[selectField.selectedIndex].value == "- Other -")
	if (selectField.selectedIndex == (selectField.options.length - 1))
	{
		document.getElementById(otherField).style.display = "block";
		
	}
	else
	{
		document.getElementById(otherField).style.display = "none";
	}	
}
//tax calculator
function computeForm(form) {

mvalue = form.donation.value

calcrate = (form.basictax.value / (100 - form.basictax.value))+1;
money= 100 * form.donation.value * calcrate;
money= (Math.round(money))/100;
//form.amount.value = money

highrate = 40
claimback = 100* money * ((highrate - form.basictax.value)/100);
claimback= (Math.round(claimback))/100;
form.highrec.value=claimback.toFixed(2)


totalgiftaid = (form.donation.value * (25 / 100))
newtotalgiftaid = totalgiftaid.toFixed(2)
form.giftaid.value = newtotalgiftaid

totaltransrelief = (form.donation.value * (3.2/100))
newtotaltransrelief = totaltransrelief.toFixed(2)
//form.trans_relief.value = newtotaltransrelief

totaldonation = (/*totaltransrelief + */ totalgiftaid + parseFloat(mvalue))
newtotaldonation = totaldonation.toFixed(2)
form.tot_donation.value = newtotaldonation

}