var page_total = 0;

function updateTotal(object, price) {
	var subtotalfield = document.getElementById('quote_price_subtotal').innerHTML;
	if(object.checked == true) {
		var subtotal = (eval(subtotalfield) + eval(price));
	} else {
		var subtotal = (eval(subtotalfield) - eval(price));
	}
	document.getElementById('quote_price_subtotal').innerHTML = subtotal.toFixed(2);
	document.getElementById('quote_price_vat').innerHTML = ((subtotal*17.5)/100).toFixed(2);
	document.getElementById('quote_price_total').innerHTML = (subtotal + ((subtotal*17.5)/100)).toFixed(2);	
}

function updateTotal_Pages(object_value) {
	var subtotalfield = document.getElementById('quote_price_subtotal').innerHTML;
	var pageprice = object_value.split(':');
	var subtotal = ((eval(subtotalfield) - eval(page_total)) + eval(pageprice[1]));
	document.getElementById('quote_price_subtotal').innerHTML = subtotal.toFixed(2);
	document.getElementById('quote_price_vat').innerHTML = ((subtotal*17.5)/100).toFixed(2);
	document.getElementById('quote_price_total').innerHTML = (subtotal + ((subtotal*17.5)/100)).toFixed(2);	
	
	page_total = eval(pageprice[1]);
}