// JavaScript Document
function Browser() {
  var ua, s, i;
  this.isIE    = false;
  this.isNS    = false;
  this.version = null;
  ua = navigator.userAgent;
  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

function CreateXmlHttpReq(handler) {
  var xmlhttp = null;
  try {
    xmlhttp = new XMLHttpRequest();
  } catch(e) {
    try {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  xmlhttp.onreadystatechange = handler;
  return xmlhttp;
}

function myHandlerTipologieSX() {
    if (myRequest.readyState == 4 && myRequest.status == 200) {
		var e = document.getElementById("TSX");
    	e.innerHTML = myRequest.responseText;
    }
}

function selectTipologieSX(namePage) {
	//alert(namePage);
	myRequest = CreateXmlHttpReq(myHandlerTipologieSX);
    myRequest.open("GET", "../../ajaxPHP/"+namePage);
    myRequest.send(null);
}

function myHandlerTrasporto() {
    if (myRequest.readyState == 4 && myRequest.status == 200) {
		var e = document.getElementById("CS");
    	e.innerHTML = myRequest.responseText;
    }
}

function selectTrasporto(namePage) {
	//alert(namePage);
	myRequest = CreateXmlHttpReq(myHandlerTrasporto);
    myRequest.open("GET", "../../ajaxPHP/"+namePage);
    myRequest.send(null);
}
/**/
function openScheda(divId){
	if (document.getElementById(divId).style.display == "none"){
		document.getElementById(divId).style.display = "block";
	} else {
		document.getElementById(divId).style.display = "none";
	}
}

function isSocieta(societa){
	var isSocieta = parseInt(societa);
	if(isSocieta == 1){
		document.getElementById("nome_societa").style.display = "block";
		document.getElementById("iva").style.display = "block";
		document.getElementById("cf").style.display = "none";
	} else {
		document.getElementById("nome_societa").style.display = "none";
		document.getElementById("iva").style.display = "none";
		document.getElementById("cf").style.display = "block";
	}
}

function ConvalidaContattiForm(lingua) {
	 var index = parseInt(lingua);
	 var nome = document.form.nome.value;
	 nomeArray = new Array("Il campo nome é obbligatorio", "Name is required", "El nombre es obligatorio.", "Требуется имя");
	 var cognome = document.form.cognome.value;
	 cognomeArray = new Array("Il campo cognome é obbligatorio", "Surname is required","El asunto del correo es necesario.", "фамилия требуется");
     var email = document.form.email.value;
	 emailArray = new Array("Il campo email non é corretto", "Email is incorrect","E-mail en blanco o incorrectas.", "Отправить неправильно");
	 var oggetto = document.form.oggetto.value;
	 oggettoArray = new Array("Il campo oggetto é obbligatorio", "Subject is required","Objeto es obligatorio", "обязательным предметом");
	 var messaggio = document.form.messaggio.value;
	 messaggioArray = new Array("Il campo messaggio é obbligatorio", "Message is required","Mensaje es obligatorio", "Сообщение требуется");
     var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
        if ((nome == "") || (nome == undefined)) {
		   var e = document.getElementById("alertBox");
    	   e.innerHTML = nomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((cognome == "") || (cognome == undefined)) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cognomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((!email_reg_exp.test(email) || (email == "") || (email == undefined))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = emailArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((oggetto == "") || (oggetto == undefined)) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = oggettoArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((messaggio == "") || (messaggio == undefined)) {
          var e = document.getElementById("alertBox");
    	  e.innerHTML = messaggioArray[index];
		  setTimeout("doRefreshConvalida();", 5000);
        } else {
           document.form.submit();
        }
}

function ConvalidaAiutaciAMigliorareForm(lingua) {
	 var index = parseInt(lingua);
	 
	 var problema = document.form.problema.value;
	 problemaArray = new Array("Il campo problema é obbligatorio", "Problem is incorrect","El problema  es un campo obligatorio", "обязательного  проблемы");
	 
     var email = document.form.email.value;
	 emailArray = new Array("Il campo email non é corretto", "Email is incorrect","E-mail en blanco o incorrectas.", "Отправить неправильно");
	 var oggetto = document.form.oggetto.value;
	 oggettoArray = new Array("Il campo oggetto é obbligatorio", "Subject is required","Objeto es obligatorio", "обязательным предметом");
	 var messaggio = document.form.messaggio.value;
	 messaggioArray = new Array("Il campo messaggio é obbligatorio", "Message is required","Mensaje es obligatorio", "Сообщение требуется");
     var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
        if ((problema == "") || (problema == undefined)) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = problemaArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((!email_reg_exp.test(email) || (email == "") || (email == undefined))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = emailArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((oggetto == "") || (oggetto == undefined)) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = oggettoArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((messaggio == "") || (messaggio == undefined)) {
          var e = document.getElementById("alertBox");
    	  e.innerHTML = messaggioArray[index];
		  setTimeout("doRefreshConvalida();", 5000);
        } else {
           document.form.submit();
        }
}

function ConvalidaShareForm(lingua) {
	 var index = parseInt(lingua);
	 var nome = document.form.nome.value;
	 nomeArray = new Array("Il campo nome é obbligatorio", "Name is required", "El nombre es obligatorio.","Требуется имя");
	 var cognome = document.form.cognome.value;
	 cognomeArray = new Array("Il campo cognome é obbligatorio", "Surname is required","Apellido es necesario.","фамилия требуется");
	 
     var emailMittente = document.form.emailMittente.value;
	 emailMittenteArray = new Array("Il campo email mittente non é corretto", "Email is incorrect","E-mail en blanco o incorrectas","Отправить неправильно");
	 
	 var emailDestinatario = document.form.emailDestinatario.value;
	 emailDestinatarioArray = new Array("Il campo email mittente non é corretto", "Email is incorrect","E-mail en blanco o incorrectas","Отправить неправильно");
	 
     var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
        if ((nome == "") || (nome == undefined)) {
		   var e = document.getElementById("alertBox");
    	   e.innerHTML = nomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((cognome == "") || (cognome == undefined)) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cognomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((!email_reg_exp.test(emailMittente) || (emailMittente == "") || (emailMittente == undefined))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = emailMittenteArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((!email_reg_exp.test(emailDestinatario) || (emailDestinatario == "") || (emailDestinatario == undefined))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = emailDestinatarioArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else {
           document.form.submit();
        }
}

function ConvalidaUser(lingua, azione) {
	
	 var index = parseInt(lingua);
	 var actionSubmit = azione;
	 var isSocieta = parseInt(document.formUser.is_societa.value);
	 
	 var nome_societa = document.formUser.nome_societa.value;
	 nome_societaArray = new Array("Il campo nome società é obbligatorio", "Name company is incorrect","Nombre de la empresa es necesario.","Название компании обязательно");
	 var iva = document.formUser.iva.value;
	 ivaArray = new Array("Il campo iva non é corretto", "IVA is incorrect","IVA es necesario.","Обязательное  НДС");
	 
	 var email = document.formUser.email.value;
	 emailArray = new Array("Il campo email non é corretto", "Email is incorrect","E-mail en blanco o incorrectas.","Отправить неправильно");
	 var confermaEmail = document.formUser.conferma_email.value;
	 confermaEmailArray = new Array("Il campo conferma email non é corretto", "Confirm email is incorrect","Compruebe E-mail en blanco o incorrectas.","Неправильное  подтверждение по электронной почте");
	 var password = document.formUser.password.value;
	 passwordArray = new Array("Il campo password non é corretto", "Password is incorrect","Contraseña incorrecta","обязательным или пароль");
	 var confermaPassword = document.formUser.conferma_password.value;
	 confermaPasswordArray = new Array("Il campo conferma password non é corretto", "Confirm password is incorrect","Verifique su Contraseña incorrecta","Неправильный пароль  или подтверждения необходимости");
	 
	 var nome = document.formUser.nome.value;
	 nomeArray = new Array("Il campo nome é obbligatorio", "Name is required","Nombre es necesario.","Требуется имя");
	 var cognome = document.formUser.cognome.value;
	 cognomeArray = new Array("Il campo cognome é obbligatorio", "Surname is required", "Apellido es necesario.","фамилия требуется");
	 var address1 = document.formUser.indirizzo1.value;
	 address1Array = new Array("Il campo indirizzo é obbligatorio", "Address is required", "El campo de ubicación es obligatorio","Адрес обязательно");
	 var city = document.formUser.citta.value;
	 cityArray = new Array("Il campo città é obbligatorio", "City is required", "Ciudad es obligatorio","Город обязательно");
	 var zip = document.formUser.cap.value;
	 zipArray = new Array("Il campo cap é obbligatorio", "Zipcode is required", "Código postal es obligatorio","Почтовый код, необходимый");
	 var country = document.formUser.nazione.value;
	 countryArray = new Array("Il campo nazione é obbligatorio", "Country is required", "Paí es obligatorio","Страна требуется");
	 var cf = document.formUser.cf.value;
	 cfArray = new Array("Il campo codice fiscale non é corretto", "CF is incorrect", "Número de seguro social se requiere","Неправильный налоговый кодекс");
	 
     var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/; 
	  if (!email_reg_exp.test(email) || (email == "") || (email == "undefined")) {
          var e = document.getElementById("alertBox");
    	  e.innerHTML = emailArray[index];
		  setTimeout("doRefreshConvalida();", 5000);
        } else if ((isSocieta == 1) && ((nome_societa == "") || (nome_societa == "undefined"))) {
		   var e = document.getElementById("alertBox");
    	   e.innerHTML = nome_societaArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((nome == "") || (nome == "undefined")) {
		   var e = document.getElementById("alertBox");
    	   e.innerHTML = nomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((cognome == "") || (cognome == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cognomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((address1 == "") || (address1 == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = address1Array[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((city == "") || (city == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cityArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((zip == "") || (zip == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = zipArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((country == "") || (country == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = countryArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        }  else if ((isSocieta == 1) && ((iva == "") /*|| (checkVATNumber(country + iva))*/ || (iva == "undefined"))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = ivaArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((isSocieta == 0) && ((cf == "") /*|| (verifica(cf) != "")*/ || (cf == "undefined"))) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cfArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        }   else {
		   document.formUser.action = actionSubmit;
           document.formUser.submit();
        }
}

function ConvalidaPay(lingua, azione) {
	 var index = parseInt(lingua);
	 var actionSubmit = azione;
	 var email = document.formPay.email.value;
	 emailArray = new Array("Il campo email non é corretto", "Email is incorrect","E-mail en blanco o incorrectas.","Отправить неправильно");
	 var nome = document.formPay.first_name.value;
	 nomeArray = new Array("Il campo nome é obbligatorio", "Name is required","Nombre es necesario.","Требуется имя");
	 var cognome = document.formPay.last_name.value;
	 cognomeArray = new Array("Il campo cognome é obbligatorio", "Surname is required", "Apellido es necesario.","фамилия требуется");
	 var address1 = document.formPay.address1.value;
	 address1Array = new Array("Il campo indirizzo é obbligatorio", "Address is required", "El campo de ubicación es obligatorio","Адрес обязательно");
	 var city = document.formPay.city.value;
	 cityArray = new Array("Il campo città é obbligatorio", "City is required", "Ciudad es obligatorio","Город обязательно");
	 var zip = document.formPay.zip.value;
	 zipArray = new Array("Il campo cap é obbligatorio", "Zipcode is required", "Código postal es obligatorio","Почтовый код, необходимый");
	 var country = document.formPay.country.value;
	 countryArray = new Array("Il campo nazione é obbligatorio", "Country is required", "Paí es obligatorio","Страна требуется");
	 
     var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/; 
	  if (!email_reg_exp.test(email) || (email == "") || (email == "undefined")) {
          var e = document.getElementById("alertBox");
    	  e.innerHTML = emailArray[index];
		  setTimeout("doRefreshConvalida();", 5000);
        } else if ((nome == "") || (nome == "undefined")) {
		   var e = document.getElementById("alertBox");
    	   e.innerHTML = nomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((cognome == "") || (cognome == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cognomeArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((address1 == "") || (address1 == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = address1Array[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((city == "") || (city == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = cityArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((zip == "") || (zip == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = zipArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        } else if ((country == "") || (country == "undefined")) {
           var e = document.getElementById("alertBox");
    	   e.innerHTML = countryArray[index];
		   setTimeout("doRefreshConvalida();", 5000);
        }  else {
		   document.formPay.action = actionSubmit;
           document.formPay.submit();
        }
}

function ControllaCF(cf){
	var validi, i, s, set1, set2, setpari, setdisp;
	if( cf == '' )  return '';
	cf = cf.toUpperCase();
	if( cf.length != 16 )
		return "La lunghezza del codice fiscale non &egrave;<br />"
		+"corretta: il codice fiscale dovrebbe essere lungo<br />"
		+"esattamente 16 caratteri.<br />";
	validi = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	for( i = 0; i < 16; i++ ){
		if( validi.indexOf( cf.charAt(i) ) == -1 )
			return "Il codice fiscale contiene un carattere non valido \"" + cf.charAt(i) + "\"<br />I caratteri validi sono le lettere e le cifre.<br />";
	}
	set1 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	set2 = "ABCDEFGHIJABCDEFGHIJKLMNOPQRSTUVWXYZ";
	setpari = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	setdisp = "BAKPLCQDREVOSFTGUHMINJWZYX";
	s = 0;
	for( i = 1; i <= 13; i += 2 )
		s += setpari.indexOf( set2.charAt( set1.indexOf( cf.charAt(i) )));
	for( i = 0; i <= 14; i += 2 )
		s += setdisp.indexOf( set2.charAt( set1.indexOf( cf.charAt(i) )));
	if( s%26 != cf.charCodeAt(15)-'A'.charCodeAt(0) )
		return "Il codice di controllo non corrisponde.<br />";
	return "";
}


function ControllaPIVA(pi){
	if( pi == '' )  return '';
	if( pi.length != 11 )
		return "La lunghezza della partita IVA non &egrave;<br />" +
			"corretta: la partita IVA dovrebbe essere lunga<br />" +
			"esattamente 11 caratteri.<br />";
	validi = "0123456789";
	for( i = 0; i < 11; i++ ){
		if( validi.indexOf( pi.charAt(i) ) == -1 )
			return "La partita IVA contiene un carattere non valido \"" + pi.charAt(i) + "\"<br />I caratteri validi sono le cifre.<br />";
	}
	s = 0;
	for( i = 0; i <= 9; i += 2 )
		s += pi.charCodeAt(i) - '0'.charCodeAt(0);
	for( i = 1; i <= 9; i += 2 ){
		c = 2*( pi.charCodeAt(i) - '0'.charCodeAt(0) );
		if( c > 9 )  c = c - 9;
		s += c;
	}
	if( ( 10 - s%10 )%10 != pi.charCodeAt(10) - '0'.charCodeAt(0) )
		return "La partita IVA non &egrave; valida:<br />" +
			"il codice di controllo non corrisponde.<br />";
	return '';
}


function verifica(cod){
	if( cod == '' )
		err = "hai lasciato in bianco il campo!<br />";
	else if( cod.length == 16 )
		err = ControllaCF(cod);
	else if( cod.length == 11 )
		err = ControllaPIVA(cod);
	else
		err = "Il codice introdotto non &egrave; valido:<br />" +
			"  - un codice fiscale deve essere lungo 16 caratteri;<br />" +
			"  - una partita IVA deve essere lunga 11 caratteri.<br />";

	if( err > '' )
		return err;
	else
		return '';
}

function doRefreshConvalida() { 
  //alert("OK");
  var e = document.getElementById("alertBox");
  e.innerHTML = "";
}


//-----------------------------------------
//             VAT FUNCTION
//-----------------------------------------

function checkVATNumber (toCheck) {
 
 	alert(toCheck)
  // Array holds the regular expressions for the valid VAT number
  var vatexp = new Array ();
  
  // To change the default country (e.g. from the UK to Germany - DE):
  //    1.  Change the country code in the defCCode variable below to "DE".
  //    2.  Remove the question mark from the regular expressions associated 
  //        with the UK VAT number: i.e. "(GB)?" -> "(GB)"
  //    3.  Add a question mark into the regular expression associated with
  //        Germany's number following the country code: i.e. "(DE)" -> "(DE)?"
  
  var defCCode = "GB";
  
  // Note - VAT codes without the "**" in the comment do not have check digit
  // checking.

  vatexp.push (/^(AT)U(\d{8})$/);                           //** Austria
  vatexp.push (/^(BE)(\d{9,10})$/);                         //** Belgium 
  vatexp.push (/^(BG)(\d{9,10})$/);                         // Bulgaria 
  vatexp.push (/^(CY)(\d{8}[A-Z])$/);                       //** Cyprus 
  vatexp.push (/^(CZ)(\d{8,10})(\d{3})?$/);                 //** Czech Republic
  vatexp.push (/^(DE)(\d{9})$/);                            //** Germany 
  vatexp.push (/^(DK)((\d{8}))$/);                          //** Denmark 
  vatexp.push (/^(EE)(\d{9})$/);                            //** Estonia 
  vatexp.push (/^(EL)(\d{8,9})$/);                          //** Greece 
  vatexp.push (/^(ES)([A-Z]\d{8})$/);                       //** Spain (1)
  vatexp.push (/^(ES)(\d{8}[A-Z])$/);                       // Spain (2)
  vatexp.push (/^(ES)([A-Z]\d{7}[A-Z])$/);                  //** Spain (3)
  vatexp.push (/^(EU)(\d{9})$/);                            //** EU-type 
  vatexp.push (/^(FI)(\d{8})$/);                            //** Finland 
  vatexp.push (/^(FR)(\d{11})$/);                           //** France (1)
  vatexp.push (/^(FR)[(A-H)|(J-N)|(P-Z)]\d{10}$/);          // France (2)
  vatexp.push (/^(FR)\d[(A-H)|(J-N)|(P-Z)]\d{9}$/);         // France (3)
  vatexp.push (/^(FR)[(A-H)|(J-N)|(P-Z)]{2}\d{9}$/);        // France (4)
  vatexp.push (/^(GB)?(\d{9})$/);                           //** UK (standard)
  vatexp.push (/^(GB)?(\d{10})$/);                          //** UK (Commercial)
  vatexp.push (/^(GB)?(\d{12})$/);                          //UK (IOM standard)
  vatexp.push (/^(GB)?(\d{13})$/);                          //UK (IOM commercial)
  vatexp.push (/^(GB)?(GD\d{3})$/);                         //** UK (Government)
  vatexp.push (/^(GB)?(HA\d{3})$/);                         //** UK (Health authority)
  vatexp.push (/^(GR)(\d{8,9})$/);                          //** Greece 
  vatexp.push (/^(HU)(\d{8})$/);                            //** Hungary 
  vatexp.push (/^(IE)(\d{7}[A-W])$/);                       //** Ireland (1)
  vatexp.push (/^(IE)([7-9][A-Z\*\+)]\d{5}[A-W])$/);        //** Ireland (2)
  vatexp.push (/^(IT)(\d{11})$/);                           //** Italy 
  vatexp.push (/^(LV)(\d{11})$/);                           //** Latvia 
  vatexp.push (/^(LT)(\d{9}|\d{12})$/);                     //** Lithunia
  vatexp.push (/^(LU)(\d{8})$/);                            //** Luxembourg 
  vatexp.push (/^(MT)(\d{8})$/);                            //** Malta
  vatexp.push (/^(NL)(\d{9})B\d{2}$/);                      //** Netherlands
  vatexp.push (/^(PL)(\d{10})$/);                           //** Poland
  vatexp.push (/^(PT)(\d{9})$/);                            //** Portugal
  vatexp.push (/^(RO)(\d{2,10})$/);                         //** Romania
  vatexp.push (/^(SI)(\d{8})$/);                            //** Slovenia
  vatexp.push (/^(SK)(\d{9}|\d{10})$/);                     // Slovakia Republic
  vatexp.push (/^(SE)(\d{10}\d[1-4])$/);                    //** Sweden

  // Load up the string to check
  var VATNumber = toCheck.toUpperCase();
  
  // Remove spaces from the VAT number to help validation
  var chars = [" ","-",",","."];
  for ( var i=0; i<chars.length; i++) {
    while (VATNumber.indexOf(chars[i])!= -1) {
      VATNumber = VATNumber.slice (0,VATNumber.indexOf(chars[i])) + VATNumber.slice (VATNumber.indexOf(chars[i])+1);
    }
  }

  // Assume we're not going to find a valid VAT number
  var valid = false;                         
  
  // Check the string against the types of VAT numbers
  for (i=0; i<vatexp.length; i++) {
    if (vatexp[i].test(VATNumber)) {
      
      var cCode = RegExp.$1;                             // Isolate country code
      var cNumber = RegExp.$2;                           // Isolate the number
      if (cCode.length == 0) cCode = defCCode;           // Set up default country code
      
      // Now look at the check digits for those countries we know about.
      switch (cCode) {     
        case "AT":
          valid = ATVATCheckDigit (cNumber);
          break;        
        case "BE":
          valid = BEVATCheckDigit (cNumber);
          break;          
        case "BG":
          // The SIMA validation rules are incorrect for Bulgarian numbers.
          valid = true;
          break;             
        case "CY":
          valid = CYVATCheckDigit (cNumber);
          break;          
        case "CZ":
          valid = CZVATCheckDigit (cNumber);
          break;      
        case "DE":
          valid = DEVATCheckDigit (cNumber);
          break;       
        case "DK":
          valid = DKVATCheckDigit (cNumber);
          break;                 
        case "EE":
          valid = EEVATCheckDigit (cNumber);
          break;             
        case "EL":
          valid = ELVATCheckDigit (cNumber);
          break;       
        case "ES":
          valid = ESVATCheckDigit (cNumber);
          break;       
        case "EU":
          valid = EUVATCheckDigit (cNumber);
          break;       
        case "FI":
          valid = FIVATCheckDigit (cNumber);
          break;        
        case "FR":
          valid = FRVATCheckDigit (cNumber);
          break;         
        case "GB":
          valid = UKVATCheckDigit (cNumber);
          break;                     
        case "GR":
          valid = ELVATCheckDigit (cNumber);
          break;             
        case "HU":
          valid = HUVATCheckDigit (cNumber);
          break;         
        case "IE":
          valid = IEVATCheckDigit (cNumber);
          break;              
        case "IT":
          valid = ITVATCheckDigit (cNumber);
          break;            
        case "LT":
          valid = LTVATCheckDigit (cNumber);
          break;            
        case "LU":
          valid = LUVATCheckDigit (cNumber);
          break;            
        case "LV":
          valid = LVVATCheckDigit (cNumber);
          break;             
        case "MT":
          valid = MTVATCheckDigit (cNumber);
          break;           
        case "NL":
          valid = NLVATCheckDigit (cNumber);
          break;            
        case "PL":      
          valid = PLVATCheckDigit (cNumber);
          break;         
        case "PT":
          valid = PTVATCheckDigit (cNumber);
          break;           
        case "RO":
          valid = ROVATCheckDigit (cNumber);
          break;       
        case "SE":
          valid = SEVATCheckDigit (cNumber);
          break;        
        case "SI":
          valid = SIVATCheckDigit (cNumber);
          break;     
        default:
          valid = true;
      }
            
      // Load new VAT number back into the form element
      if (valid) valid = VATNumber;
      
      // We have found that the number is valid - break from loop
      break;
    }
  }
  
  // Return with either an error or the reformatted VAT number
  return valid;
}

function ATVATCheckDigit (vatnumber) {

  // Checks the check digits of an Austrian VAT number.
  
  var total = 0;
  var multipliers = [1,2,1,2,1,2,1];
  var temp = 0;
  
  // Extract the next digit and multiply by the appropriate multiplier.  
  for (var i = 0; i < 7; i++) {
    temp = Number(vatnumber.charAt(i)) * multipliers[i];
    if (temp > 9)
      total = total + Math.floor(temp/10) + temp%10
    else
      total = total + temp;
  }  
  
  // Establish check digit.
  total = 10 - (total+4) % 10; 
  if (total == 10) total = 0;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function BEVATCheckDigit (vatnumber) {

  // Checks the check digits of a Belgium VAT number.
  
  // First character of 10 digit numbers should be 0
  if (vatnumber.length == 10 && vatnumber.slice(0,1) != "0") return false;
  
  // Nine digit numbers have a 0 inserted at the front.
  if (vatnumber.length == 9) vatnumber = "0" + vatnumber;
  
  // Modulus 97 check on last nine digits
  if (97 - vatnumber.slice (0,8) % 97 == vatnumber.slice (8,10)) 
    return true
  else 
    return false;
}

function CYVATCheckDigit (vatnumber) {

  // Checks the check digits of a Cypriot VAT number.
  
  // Extract the next digit and multiply by the counter.
  var total = 0;
  for (var i = 0; i < 8; i++) {
    var temp = Number(vatnumber.charAt(i));
    if (i % 2 == 0) {
      switch (temp) {
        case 0: temp = 1; break;
        case 1: temp = 0; break;
        case 2: temp = 5; break;
        case 3: temp = 7; break;
        case 4: temp = 9; break;
        default: temp = temp*2 + 3;
      }
    }
    total = total + temp;
  }
  
  // Establish check digit using modulus 26, and translate to char. equivalent.
  total = total % 26;
  total = String.fromCharCode(total+65);
  
  // Check to see if the check digit given is correct
  if (total == vatnumber.substr (8,1)) 
    return true 
  else 
    return false;
}

function CZVATCheckDigit (vatnumber) {

  // Checks the check digits of a Czech Republic VAT number.
  
  var total = 0;
  var multipliers = [8,7,6,5,4,3,2];
  
  // Only do check digit validation for standard VAT numbers
  if (vatnumber.length != 8) return true;
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit.
  total = 11 - total % 11;
  if (total == 10) total = 0; 
  if (total == 11) total = 1; 
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function DEVATCheckDigit (vatnumber) {

  // Checks the check digits of a German VAT number.
  
  var product = 10;
  var sum = 0;     
  var checkdigit = 0;                      
  for (var i = 0; i < 8; i++) {
    
    // Extract the next digit and implement perculiar algorithm!.
    sum = (Number(vatnumber.charAt(i)) + product) % 10;
    if (sum == 0) {sum = 10};
    product = (2 * sum) % 11;
  }
  
  // Establish check digit.  
  if (11 - product == 10) {checkdigit = 0} else {checkdigit = 11 - product};
  
  // Compare it with the last two characters of the VAT number. If the same, 
  // then it is a valid check digit.
  if (checkdigit == vatnumber.slice (8,9))
    return true
  else 
    return false;
}

function DKVATCheckDigit (vatnumber) {

  // Checks the check digits of a Danish VAT number.
  
  var total = 0;
  var multipliers = [2,7,6,5,4,3,2,1];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit.
  total = total % 11;
  
  // The remainder should be 0 for it to be valid..
  if (total == 0) 
    return true
  else 
    return false;
}

function EEVATCheckDigit (vatnumber) {

  // Checks the check digits of an Estonian VAT number.
  
  var total = 0;
  var multipliers = [3,7,1,3,7,1,3,7];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits using modulus 10.
  total = 10 - total % 10;
  if (total == 10) total = 0;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (8,9))
    return true
  else 
    return false;
}

function ELVATCheckDigit (vatnumber) {

  // Checks the check digits of a Greek VAT number.
  
  var total = 0;
  var multipliers = [256,128,64,32,16,8,4,2];
  
  //eight character numbers should be prefixed with an 0.
  if (vatnumber.length == 8) {vatnumber = "0" + vatnumber};
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit.
  total = total % 11;
  if (total > 9) {total = 0;};  
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (8,9)) 
    return true
  else 
    return false;
}

function ESVATCheckDigit (vatnumber) {

  // Checks the check digits of a Spanish VAT number.
  
  var total = 0; 
  var temp = 0;
  var multipliers = [2,1,2,1,2,1,2];
  var esexp = new Array ();
  esexp.push (/^[A-H]\d{8}$/);
  esexp.push (/^[N|P|Q|S]\d{7}[A-Z]$/);
  esexp.push (/^[0-9]{8}[A-Z]$/);
  var i = 0;
  
  // With profit companies
  if (esexp[0].test(vatnumber)) {
  
    // Extract the next digit and multiply by the counter.
    for (i = 0; i < 7; i++) {
      temp = Number(vatnumber.charAt(i+1)) * multipliers[i];
      if (temp > 9) 
        total = total + Math.floor(temp/10) + temp%10 
      else 
        total = total + temp;
    }   
    
    // Now calculate the check digit itself. 
    total = 10 - total % 10;
    if (total == 10) {total = 0;}
    
    // Compare it with the last character of the VAT number. If it is the same, 
    // then it's a valid check digit.
    if (total == vatnumber.slice (8,9)) 
      return true
    else 
      return false;
  }
  
  // Non-profit companies
  else if (esexp[1].test(vatnumber)) {
  
    // Extract the next digit and multiply by the counter.
    for (i = 0; i < 7; i++) {
      temp = Number(vatnumber.charAt(i+1)) * multipliers[i];
      if (temp > 9) 
        total = total + Math.floor(temp/10) + temp%10 
      else 
        total = total + temp;
    }    
    
    // Now calculate the check digit itself.
    total = 10 - total % 10;
    total = String.fromCharCode(total+64);
    
    // Compare it with the last character of the VAT number. If it is the same, 
    // then it's a valid check digit.
    if (total == vatnumber.slice (8,9)) 
      return true
    else 
      return false;
  }
	
  // Personal number (NIF)
  else if (esexp[2].test(vatnumber)) {
  	return vatnumber.charAt(8) == 'TRWAGMYFPDXBNJZSQVHLCKE'.charAt(Number(vatnumber.substring(0, 8)) % 23);
  }
	
  else return true;
}

function EUVATCheckDigit (vatnumber) {

  // We know litle about EU numbers apart from the fact that the first 3 digits 
  // represent the country, and that there are nine digits in total.
  return true;
}

function FIVATCheckDigit (vatnumber) {

  // Checks the check digits of a Finnish VAT number.
  
  var total = 0; 
  var multipliers = [7,9,10,5,8,4,2];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit.
  total = 11 - total % 11;
  if (total > 9) {total = 0;};  
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function FRVATCheckDigit (vatnumber) {

  // Checks the check digits of a French VAT number.
  
  if (!(/^\d{11}$/).test(vatnumber)) return true;
  
  // Extract the last nine digits as an integer.
  var total = vatnumber.substring(2); 
  
  // Establish check digit.
  total = (total*100+12) % 97;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (0,2)) 
    return true
  else 
    return false;
}

function HUVATCheckDigit (vatnumber) {

  // Checks the check digits of a Hungarian VAT number.
  
  var total = 0;
  var multipliers = [9,7,3,1,9,7,3];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit.
  total = 10 - total % 10; 
  if (total == 10) total = 0;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function IEVATCheckDigit (vatnumber) {

  // Checks the check digits of an Irish VAT number.

  
  var total = 0; 
  var multipliers = [8,7,6,5,4,3,2];
  
  // If the code is in the old format, we need to convert it to the new.
  if (/^\d[A-Z\*\+]/.test(vatnumber)) {
    vatnumber = "0" + vatnumber.substring(2,7) + vatnumber.substring(0,1) + vatnumber.substring(7,8);
  }
    
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digit using modulus 23, and translate to char. equivalent.
  total = total % 23;
  if (total == 0)
    total = "W"
  else
    total = String.fromCharCode(total+64);
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function ITVATCheckDigit (vatnumber) {

  // Checks the check digits of an Italian VAT number.
  
  var total = 0;
  var multipliers = [1,2,1,2,1,2,1,2,1,2];
  var temp;
    
  // The last three digits are the issuing office, and cannot exceed more 201
  temp=Number(vatnumber.slice(0,7));
  if (temp==0) return false;
  temp=Number(vatnumber.slice(7,10));
  if ((temp<1) || (temp>201)) return false;
  
  // Extract the next digit and multiply by the appropriate  
  for (var i = 0; i < 10; i++) {
    temp = Number(vatnumber.charAt(i)) * multipliers[i];
    if (temp > 9) 
      total = total + Math.floor(temp/10) + temp%10 
    else 
      total = total + temp;
  }
  
  // Establish check digit.
  total = 10 - total % 10;
  if (total > 9) {total = 0;};  
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (10,11)) 
    return true
  else 
    return false;
}

function LTVATCheckDigit (vatnumber) {

  // Checks the check digits of a Lithuanian VAT number.
  
  // Only do check digit validation for standard VAT numbers
  if (vatnumber.length != 9) return true;
  
  // Extract the next digit and multiply by the counter+1.
  var total = 0;
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * (i+1);
  
  // Can have a double check digit calculation!
  if (total % 11 == 10) {
    var multipliers = [3,4,5,6,7,8,9,1];
    total = 0;
    for (i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  }
  
  // Establish check digit.
  total = total % 11;
  if (total == 10) {total = 0;}; 
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (8,9)) 
    return true
  else 
    return false;
}

function LUVATCheckDigit (vatnumber) {

  // Checks the check digits of a Luxembourg VAT number.
  
  if (vatnumber.slice (0,6) % 89 == vatnumber.slice (6,8)) 
    return true
  else 
    return false;
}

function LVVATCheckDigit (vatnumber) {

  // Checks the check digits of a Latvian VAT number.
  
  // Only check the legal bodies
  if ((/^[0-3]/).test(vatnumber)) return true; 
  
  var total = 0;
  var multipliers = [9,1,4,8,3,10,2,5,7,6];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 10; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits by getting modulus 11.
  if (total%11 == 4 && vatnumber[0] ==9) total = total - 45;
  if (total%11 == 4) 
    total = 4 - total%11
  else if (total%11 > 4) 
    total = 14 - total%11
  else if (total%11 < 4) 
    total = 3 - total%11;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (10,11)) 
    return true
  else 
    return false;
}

function MTVATCheckDigit (vatnumber) {

  // Checks the check digits of a Maltese VAT number.
  
  var total = 0;
  var multipliers = [3,4,6,7,8,9];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 6; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits by getting modulus 37.
  total = 37 - total % 37;
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (6,8) * 1) 
    return true
  else 
    return false;
}

function NLVATCheckDigit (vatnumber) {

  // Checks the check digits of a Dutch VAT number.
  
  var total = 0;                                 // 
  var multipliers = [9,8,7,6,5,4,3,2];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits by getting modulus 11.
  total = total % 11;
  if (total > 9) {total = 0;};  
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (8,9)) 
    return true
  else 
    return false;
}

function PLVATCheckDigit (vatnumber) {

  // Checks the check digits of a Polish VAT number.
  
  var total = 0;
  var multipliers = [6,5,7,2,3,4,5,6,7];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 9; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits subtracting modulus 11 from 11.
  total = total % 11;
  if (total > 9) {total = 0;};
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (9,10)) 
    return true
  else 
    return false;
}

function PTVATCheckDigit (vatnumber) {

  // Checks the check digits of a Portugese VAT number.
  
  var total = 0;
  var multipliers = [9,8,7,6,5,4,3,2];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 8; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits subtracting modulus 11 from 11.
  total = 11 - total % 11;
  if (total > 9) {total = 0;};
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (8,9)) 
    return true
  else 
    return false;
}

function ROVATCheckDigit (vatnumber) {

  // Checks the check digits of a Romanian VAT number.
  
  var multipliers = [7,5,3,2,1,7,5,3,2,1];
  
  // Extract the next digit and multiply by the counter.
  var VATlen = vatnumber.length;
  multipliers = multipliers.slice (10-VATlen);
  var total = 0;
  for (var i = 0; i < vatnumber.length-1; i++) {
    total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  }  
  
  // Establish check digits by getting modulus 11.
  total = (10 * total) % 11;
  if (total == 10) total = 0; 
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (vatnumber.length-1, vatnumber.length))
    return true
  else 
    return false;
}

function SEVATCheckDigit (vatnumber) {

  // Checks the check digits of a Swedish VAT number.
  
  var total = 0;
  var multipliers = [2,1,2,1,2,1,2,1,2];
  var temp = 0;
  
  // Extract the next digit and multiply by the appropriate multiplier.
  for (var i = 0; i < 9; i++) {
    temp = Number(vatnumber.charAt(i)) * multipliers[i];
    if (temp > 9)
      total = total + Math.floor(temp/10) + temp%10
    else 
      total = total + temp;
  }
  
  // Establish check digits by subtracting mod 10 of total from 10.
  total = 10 - (total % 10); 
  if (total == 10) total = 0;
  
  // Compare it with the 10th character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (9,10)) 
    return true
  else 
    return false;
}

function SKVATCheckDigit (vatnumber) {

  // Checks the check digits of a Slovak VAT number.
  
  var total = 0; 
  var multipliers = [8,7,6,5,4,3,2];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 3; i < 9; i++) {
    total = total + Number(vatnumber.charAt(i)) * multipliers[i-3];
  }  
  
  // Establish check digits by getting modulus 11.
  total = 11 - total % 11;
  if (total > 9) total = total - 10;  
  
  // Compare it with the last character of the VAT number. If it is the same, 
  // then it's a valid check digit.
  if (total == vatnumber.slice (9,10)) 
    return true
  else 
    return false;
}

function SIVATCheckDigit (vatnumber) {

  // Checks the check digits of a Slovenian VAT number.
  
  var total = 0; 
  var multipliers = [8,7,6,5,4,3,2];
  
  // Extract the next digit and multiply by the counter.
  for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
  // Establish check digits by subtracting 97 from total until negative.
  total = 11 - total % 11;
  if (total > 9) {total = 0;};  
  
  // Compare the number with the last character of the VAT number. If it is the 
  // same, then it's a valid check digit.
  if (total == vatnumber.slice (7,8)) 
    return true
  else 
    return false;
}

function UKVATCheckDigit (vatnumber) {

  // Checks the check digits of a UK VAT number.
  
  var multipliers = [8,7,6,5,4,3,2];
  
  // Government departments
  if (vatnumber.substr(0,2) == 'GD') {
    if (vatnumber.substr(2,3) < 500) 
      return true 
    else 
      return false;
  }
  
  // Health authorities
  if (vatnumber.substr(0,2) == 'HA') {
    if (vatnumber.substr(2,3) > 499) 
      return true 
    else 
      return false;
  }
  
  // Standard and commercial numbers
  if (vatnumber.length == 9 || vatnumber.length == 10) {
    var total = 0;
    if (vatnumber.length == 10 && vatnumber.slice (9,10) != '3') return false;
    
    // Extract the next digit and multiply by the counter.
    for (var i = 0; i < 7; i++) total = total + Number(vatnumber.charAt(i)) * multipliers[i];
  
    // Establish check digits by subtracting 97 from total until negative.
    while (total > 0) {total = total - 97;}    
  
    // Get the absolute value and compare it with the last two characters of the
    // VAT number. If the same, then it is a valid check digit.
    total = Math.abs(total);
    if (total == vatnumber.slice (7,9)) 
      return true 
    else  
      return false;
  }
  
  // We don't check 12 and 13 digit UK numbers - not only can we not find any, 
  // but the information found on the format is contradictory.
  
  return true;
}