function generic_spinner_show() {
  var loading_div = $('generic_spinner');
  if (loading_div == null) {
    alert('loading_div is null');	
  } 

  var scrolloffset = document.viewport.getScrollOffsets();
 
  loading_div.setStyle('top:' + scrolloffset['top'] + 'px;');
  loading_div.show();
}

function generic_spinner_hide() {
  var loading_div = $('generic_spinner');
  if (loading_div == null) {
    alert('loading_div is null');	
  } 

  loading_div.hide();  
}

function calculateSubTotal(textfield, price, target, fee) {
    target.innerHTML = '€ ' + (textfield.value * price).toString();      

	calculateTotal(fee);		
}


function calculateTotal_1( fee ) {
	var totalAmount = 0.0;

	if (!$('subtotal_1').innerHTML.empty()) totalAmount += parseFloat($('subtotal_1').innerHTML.replace("€ ", ""));
	if (!$('subtotal_2').innerHTML.empty()) totalAmount += parseFloat($('subtotal_2').innerHTML.replace("€ ", ""));
	if (!$('subtotal_3').innerHTML.empty()) totalAmount += parseFloat($('subtotal_3').innerHTML.replace("€ ", ""));
	if (!$('subtotal_4').innerHTML.empty()) totalAmount += parseFloat($('subtotal_4').innerHTML.replace("€ ", ""));
	if (!$('subtotal_5').innerHTML.empty()) totalAmount += parseFloat($('subtotal_5').innerHTML.replace("€ ", ""));
	if (!$('subtotal_6').innerHTML.empty()) totalAmount += parseFloat($('subtotal_6').innerHTML.replace("€ ", ""));
	if (!$('subtotal_7').innerHTML.empty()) totalAmount += parseFloat($('subtotal_7').innerHTML.replace("€ ", ""));
	if (!$('subtotal_8').innerHTML.empty()) totalAmount += parseFloat($('subtotal_8').innerHTML.replace("€ ", ""));
	if (!$('subtotal_9').innerHTML.empty()) totalAmount += parseFloat($('subtotal_9').innerHTML.replace("€ ", ""));
	
	if(totalAmount > 0)
		totalAmount += fee;
		
	$('totalAmount').innerHTML= '€ ' + totalAmount;
}

function calculateTotal( fee ) {
	var totalAmount = 0.0;

	if (!$('subtotal_1').innerHTML.empty()) totalAmount += parseFloat($('subtotal_1').innerHTML.replace("€ ", ""));
	if (!$('subtotal_2').innerHTML.empty()) totalAmount += parseFloat($('subtotal_2').innerHTML.replace("€ ", ""));
	if (!$('subtotal_3').innerHTML.empty()) totalAmount += parseFloat($('subtotal_3').innerHTML.replace("€ ", ""));
	if (!$('subtotal_4').innerHTML.empty()) totalAmount += parseFloat($('subtotal_4').innerHTML.replace("€ ", ""));
	if (!$('subtotal_5').innerHTML.empty()) totalAmount += parseFloat($('subtotal_5').innerHTML.replace("€ ", ""));
	if (!$('subtotal_6').innerHTML.empty()) totalAmount += parseFloat($('subtotal_6').innerHTML.replace("€ ", ""));
	if (!$('subtotal_7').innerHTML.empty()) totalAmount += parseFloat($('subtotal_7').innerHTML.replace("€ ", ""));
	if (!$('subtotal_8').innerHTML.empty()) totalAmount += parseFloat($('subtotal_8').innerHTML.replace("€ ", ""));
	
	if(totalAmount > 0)
		totalAmount += fee;
		
	$('totalAmount').innerHTML= '€ ' + totalAmount;
}