String.prototype.trim = function(){
   return this.replace(/^\s*|\s*$/g,"");
}
String.prototype.isInt = function() {
  var str = this.replace(/^0+/, '');
  var i = parseInt(str);
  if (isNaN(i)) return false;
  i = i.toString();
  if (i != str) return false;
  return true;
}
onClickBrute = function(){
	var brute = document.getElementById('paymentstep1-product-brute');
	brute.checked = true;
	var bruteLabel = document.getElementById('paymentstep1-product-brute-label');
	bruteLabel.style.fontWeight = 'bold';
	var sachetLabel = document.getElementById('paymentstep1-product-sachet-label');
	sachetLabel.style.fontWeight = 'normal';
	var bar = document.getElementById('ecommerce-bar');
	bar.style.display = '';
	var required = document.getElementById('ecommerce-required');
	required.style.display = '';
	document.paypal.item_name.value = document.paypal.item_name_brute.value;
	set_amount();
}
onClickSachet = function(){
	var sachet = document.getElementById('paymentstep1-product-sachet');
	sachet.checked = true;
	var sachetLabel = document.getElementById('paymentstep1-product-sachet-label');
	sachetLabel.style.fontWeight = 'bold';
	var bruteLabel = document.getElementById('paymentstep1-product-brute-label');
	bruteLabel.style.fontWeight = 'normal';
	var bar = document.getElementById('ecommerce-bar');
	bar.style.display = '';
	var required = document.getElementById('ecommerce-required');
	required.style.display = '';
	document.paypal.item_name.value = document.paypal.item_name_sachet.value;
	set_amount();
}
validate_last_name = function(){
	var lb = document.getElementById('paymentstep1-lastname-label');
	var el = document.getElementById('paymentstep1-lastname-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_first_name = function(){
	var lb = document.getElementById('paymentstep1-firstname-label');
	var el = document.getElementById('paymentstep1-firstname-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_email = function(){
	var lb = document.getElementById('paymentstep1-email-label');
	var el = document.getElementById('paymentstep1-email-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_phone = function(){
	var lb = document.getElementById('paymentstep1-phone-label');
	var el = document.getElementById('paymentstep1-phone-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_address1 = function(){
	var lb = document.getElementById('paymentstep1-address1-label');
	var el = document.getElementById('paymentstep1-address1-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_city = function(){
	var lb = document.getElementById('paymentstep1-city-label');
	var el = document.getElementById('paymentstep1-city-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_areacode = function(){
	var lb = document.getElementById('paymentstep1-areacode-label');
	var el = document.getElementById('paymentstep1-areacode-input');
	if(el.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_country = function(){
	var lb = document.getElementById('paymentstep1-country-label');
	var el = document.getElementById('paymentstep1-country-select');
	var countryCode = el.options[el.selectedIndex].value;
	this.toggle_state();
	if(countryCode==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  //this.validate_state();
	  return true;
	}
}
toggle_state = function(){
	var el = document.getElementById('paymentstep1-country-select');
	var countryCode = el.options[el.selectedIndex].value;
	var stateEl = document.getElementById('paymentstep1-state');
	//alert(paypal_require_states.indexOf(countryCode));
	if(paypal_require_states.indexOf(countryCode)==-1){
	  stateEl.style.display='none';
	  document.getElementById('paymentstep1-state-input').value='';
	}else{
	  stateEl.style.display='';
	}
}
validate_state = function(){
	var lb = document.getElementById('paymentstep1-state-label');
	var el = document.getElementById('paymentstep1-state');
	var elInput = document.getElementById('paymentstep1-state-input');
	if(el.style.display==''&&elInput.value.trim()==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_currency = function(){
	var lb = document.getElementById('paymentstep1-currency-label');
	var el = document.getElementById('paymentstep1-currency-select');
	var code=el.options[el.selectedIndex].value;
	  set_amount();
	if(code==''){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  return true;
	}
}
validate_quantity = function(){
	var lb = document.getElementById('paymentstep1-quantity-label');
	var el = document.getElementById('paymentstep1-quantity-input');
	if(!el.value.isInt()){
	  lb.style.color='red';
	  return false;
	}else{
	  lb.style.color='';
	  set_amount();
	  return true;
	}
}
set_amount = function(){
	var el = document.getElementById('paymentstep1-currency-select');
	var code=el.options[el.selectedIndex].value;
	var product = null;
	if(document.paypal.product[0].checked)
		product = document.paypal.product[0].value;
	else if(document.paypal.product[1].checked)
		product = document.paypal.product[1].value;
	if(code&&product){
		document.paypal.amount.value = prices[product][code];
		el = document.getElementById('paymentstep1-price-input');
		var quantity = document.paypal.quantity.value;
		el.value = (Math.round(prices[product][code]*quantity*100)/100)+' '+code;
		el = document.getElementById('paymentstep1-shipping_price-input');
		var shipping = shipping_prices[product][code]['shipping-'+quantity];
		if(shipping){
			el.value = (Math.round(shipping*quantity*100)/100)+' '+code;
			document.paypal.shipping.value = shipping*quantity;
		}else{
			shipping = shipping = shipping_prices[product][code]['shipping-all']||0;
			shipping = (quantity*shipping);
			el.value = shipping+' '+code;
			document.paypal.shipping.value = shipping;
		}
	}else{
		document.paypal.amount.value = '';
		document.paypal.shipping.value = '';
		el = document.getElementById('paymentstep1-price-input');
		el.value ='';
		el = document.getElementById('paymentstep1-shipping_price-input');
		el.value ='';
	}
}
validateForm = function(){
	var isOk = true;
	if(!validate_last_name())isOk=false;
	if(!validate_first_name())isOk=false;
	if(!validate_email())isOk=false;
	if(!validate_phone())isOk=false;
	if(!validate_address1())isOk=false;
	if(!validate_city())isOk=false;
	if(!validate_areacode())isOk=false;
	if(!validate_country())isOk=false;
	if(!validate_currency())isOk=false;
	if(!validate_quantity())isOk=false;
	if(!validate_state())isOk=false;
	set_amount();
	return isOk;
}