function getItem(name)
{
	return document.getElementById(name).innerHTML / 1.0;
}
function setItem(name,value)
{
	document.getElementById(name).innerHTML = Number(value).toFixed(2);
}
function updateTotal(sel)
{
	var mul = 0.02;
	if(sel.value == 'American Express')
		mul = 0.025;

	var subtotal = getItem('joining_fee') + getItem('initial_deposit') + getItem('vat');
	var cc_surcharge = subtotal * mul;
	var total_charge = subtotal + cc_surcharge;
	setItem('cc_surcharge', cc_surcharge);
	setItem('total_charge', total_charge);
}
function calcFee(frm)
{
	var fee = 2000;
	switch(frm['member[duration]'].value)
	{
		case '1' : fee = 1000;
			break;
		case '2' : fee = 1500;
			break;
		case '3' : fee = 2500;
			break;
	}
	frm['member[fee]'].value = fee;
}
function openWin(myUrl,myName,myParams)
{
	if (!myUrl) window.alert('Error: cannot open window: no page specified');
	if (!myName) myName = 'vuPopup';
	if (!myParams) myParams = 'top=50,left=50,height=340,width=550,toolbar=no,scrollbars=yes,status=yes,resizable=yes';
	myPopup = window.open(myUrl,myName,myParams);
	myPopup.focus();
}