var libero=0;
function valida(){
  if (document.theform.nome.value==''){
    alert ("Campo nome obbligatorio");
    return false;
    libero=1;
  }

  if (document.theform.cognome.value==''){
    alert ("Campo cognome obbligatorio");
    return false;
    libero=1;
  }

  if (document.theform.citta.value==''){
    alert ("Campo citta obbligatorio");
    return false;
    libero=1;
  }

  if (document.theform.telefono.value==''){
    alert ("Campo telefono obbligatorio");
    return false;
    libero=1;
  }
  if (document.theform.via.value==''){
    alert ("Campo via obbligatorio");
    return false;
    libero=1;
  }
 // if (document.theform.cap.value==''){
 //   alert ("Campo cap obbligatorio");
 //   return false;
 //   libero=1;
 // }

  if (document.theform.email.value.indexOf("@")==-1) {
    alert ("email NON valida");
    return false;
    libero=1;
  }

    if (document.theform.privx.checked == false )
    {
      alert('Accorre accettare la privacy');
    return false;
    libero=1;
    }else  libero=0;

    if (document.theform.cancx.checked == false )
    {
      alert('Accorre accettare le politiche di cancellazione');
    return false;
    libero=1;
    }else  libero=0;


if(libero==0)
document.theform.pulsante.enabled=false;
document.theform.submit();
}



var libero2=0;

function valida2(){
valore= ValoreRadio('theform','pagamento');
  if (valore=='cartacredito'){

   if (!verifyCreditCard(document.theform.nomecartacc.options[document.theform.nomecartacc.selectedIndex].value,document.theform.cc_number.value)){
              alert('Prego inserisci numero carta corretto');
               document.theform.cc_number.focus();
              return false;
    }

    if (document.theform.cc_number.value==''){
       alert ("Campo cc_number obbligatorio");
       document.theform.cc_number.focus();
       return false;

    }
    if (document.theform.cc_intestatario.value==''){
       alert ("Campo cc_intestatario obbligatorio");
       document.theform.cc_intestatario.focus();
       return false;

    }
    if (document.theform.expiration_month.value==''){
       alert ("Campo expiration_month obbligatorio");
       document.theform.expiration_month.focus();
       return false;

    }
    if (document.theform.cc_codice.value==''){
       alert ("Campo cc_codice obbligatorio");
       document.theform.cc_codice.focus();
       return false;

    }

    return true;
  }
}

function ValoreRadio(form_info,langRadio){
var rr = document.forms[form_info].elements[langRadio]
var valore=null
if(rr.length){
for(var i=0;i<rr.length;i++)
if(rr[i].checked)
valore=rr[i].value
}else if(rr.checked)valore=rr.value
return valore
}



 function verifyCreditCard(creditCardType, creditCardNumber){
        var prefix;
        var prefix1;
        var prefix2;
        var prefix4;
        var prefix6;
        var numberCard;
        var i;
        var w;
        var r;
        var sumCard;
        var sumDigits;
        var prodDigits;
        switch(creditCardType){
           case "CA":
              prefix = creditCardNumber.substr(0,2);
              if ((prefix < 51) || (prefix > 55) || (creditCardNumber.length != 16)){
                 return false;
              }
              break;
           case "VI":
              prefix = creditCardNumber.substr(0,1);
              if ((prefix != 4) || ((creditCardNumber.length != 13) && (creditCardNumber.length != 16))){
                 return false;
              }
              break;
           case "VE":
              prefix = creditCardNumber.substr(0,6);
              if (((prefix != 450875 && prefix != 491880) && ((prefix < 484406) || (prefix > 484408)) && ((prefix < 484411) || (prefix > 484455)) && ((prefix < 491730) || (prefix > 491759))) || ((creditCardNumber.length != 13) && (creditCardNumber.length != 16))){
                 return false;
              }
              break;
           case "MS":
              prefix6 = creditCardNumber.substr(0,6);
              prefix1 = creditCardNumber.substr(0,1);
              prefix2 = creditCardNumber.substr(0,2);
              prefix4 = creditCardNumber.substr(0,4);
              if (((prefix1 != 6 && prefix2 != 50 && prefix4 != 4936 && prefix4 != 6759 && prefix6 != 564182) && ((prefix2 < 56) || (prefix2 > 58)) && ((prefix6 < 490302) || (prefix6 > 490309)) && ((prefix6 < 490335) || (prefix6 > 490339)) && ((prefix6 < 491101) || (prefix6 > 491102)) && ((prefix6 < 491174) || (prefix6 > 491182)) && ((prefix6 < 633300) || (prefix6 > 633349))) || ((creditCardNumber.length != 15) && (creditCardNumber.length != 16))){
                 return false;
              }
              break;
           case "SO":
              prefix4 = creditCardNumber.substr(0,4);
              prefix6 = creditCardNumber.substr(0,6);
              if (((prefix4 != 6767) && ((prefix6 < 633450) || (prefix6 > 633499))) || ((creditCardNumber.length != 15) && (creditCardNumber.length != 16))){
                 return false;
              }
              break;
           case "AX":
              prefix = creditCardNumber.substr(0,2);
              if (((prefix != 34) && (prefix != 37)) || (creditCardNumber.length != 15)){
                 return false;
              }
              break;
           case "DS":
              prefix = creditCardNumber.substr(0,4);
              if ((prefix != 6011) || (creditCardNumber.length != 16)){
                 return false;
              }
              break;
           case "DC":
              prefix = creditCardNumber.substr(0,3);
              prefix1 = creditCardNumber.substr(0,2);
              if (((prefix < 300) || (prefix > 305) && (prefix1 != 36 && prefix1 != 38)) || (creditCardNumber.length != 14)){
                 return false;
              }
              break;
           case "CB":
              prefix = creditCardNumber.substr(0,3);
              prefix1 = creditCardNumber.substr(0,2);
              if (((prefix < 300) || (prefix > 305) && (prefix1 != 36 && prefix1 != 38)) || (creditCardNumber.length != 14)){
                 return false;
              }
              break;
           case "JB":
              prefix = creditCardNumber.substr(0,4);
              if ((((prefix < 3088) || (prefix > 3094)) && ((prefix < 3096) || (prefix > 3102)) && ((prefix < 3112) || (prefix > 3120)) && ((prefix < 3158) || (prefix > 3159)) && ((prefix < 3337) || (prefix > 3349)) && ((prefix < 3528) || (prefix > 3589))) || (creditCardNumber.length != 16)){
                 return false;
              }
              break;
           default:
               return true;
              break;
        }
        numberCard = creditCardNumber;
        r = parseInt(numberCard.length) % 2;
        sumCard = 0;
        for (i=numberCard.length;i>0;i--){
           w = i % 2;
           if (w == r){
              sumCard += parseInt(numberCard.substr(i-1,1));
           }else{
              prodDigits = 2 * parseInt(numberCard.substr(i-1,1));
              if (prodDigits > 9){
                 sumDigits = 0;
                 sumDigits = (parseInt(prodDigits / 10)) + (prodDigits - 10);
                 sumCard += sumDigits;
              }else{
                 sumCard += prodDigits;
              }
           }
        }
        if (sumCard % 10 == 0){
           return true;
        }
        return false;
     }