function switchy(num) {
	radioObj=document.forms['order'].elements['payment'];

	if (num == 0) {
			if(radioObj[1].checked) { document.getElementById('payment_total').value = '£100'; document.forms['order'].postal.disabled=false; }
			else { document.getElementById('payment_total').value = '£120'; document.forms['order'].postal.disabled=true; document.forms['order'].postal.checked=false; }
			document.getElementById('singpay').innerHTML = '£100';
			document.getElementById('monthpay').innerHTML = '12 lots of £10';
	}
	else {
		if(radioObj[1].checked) { document.getElementById('payment_total').value = '£200'; document.forms['order'].postal.disabled=false; }
		else { document.getElementById('payment_total').value = '£240'; document.forms['order'].postal.disabled=true; document.forms['order'].postal.checked=false; }
		document.getElementById('singpay').innerHTML = '£200'; document.getElementById('monthpay').innerHTML = '12 lots of £20';
	}
}

function switchy2(num) {
	radioObj=document.forms['order'].elements['method'];

	if (num == 0) {
			if(radioObj[1].checked) { document.getElementById('payment_total').value = '£240'; document.forms['order'].postal.disabled=true; document.forms['order'].postal.checked=false; }
			else { document.getElementById('payment_total').value = '£120'; document.forms['order'].postal.disabled=true; document.forms['order'].postal.checked=false; }
	}
	else {
		if(radioObj[1].checked) { document.getElementById('payment_total').value = '£200'; document.forms['order'].postal.disabled=false; }
		else { document.getElementById('payment_total').value = '£100'; document.forms['order'].postal.disabled=false; }
	}
}