// VERTICAL MENU function
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

function change_fee(val,total,vat)
{
	var ext_fee;
	if(val == 'Mastercard' || val == 'Visa')
		ext_fee = 2.50;
	else
		ext_fee = 0.00;
	var rt_fee = document.getElementById("rt_fee").value;
	var total_sum = total*1 + ext_fee*1 + rt_fee*1;
	var total_sum_net = total_sum/vat;
	document.getElementById("ext_fee").value = ext_fee;
	document.getElementById("amount").value = total_sum;
	document.getElementById("amount_show").innerHTML = total_sum.toFixed(2);
	document.getElementById("amount_show_net").innerHTML = total_sum_net.toFixed(2);
}

//CHANGE FEE CREDIT CARDS
function change_rt_fee(val,total,vat)
{
	var rt_fee;
	if(val == '0')
		rt_fee = 20.00;
	else
		rt_fee = 0.00;
	var ext_fee = document.getElementById("ext_fee").value;
	var total_sum = total*1 + ext_fee*1 + rt_fee*1;
	var total_sum_net = total_sum/vat;
	document.getElementById("rt_fee").value = rt_fee;
	document.getElementById("amount").value = total_sum;
	document.getElementById("amount_show").innerHTML = total_sum.toFixed(2);
	document.getElementById("amount_show_net").innerHTML = total_sum_net.toFixed(2);
}