
<!-- Begin

var errImg = "https://www.xlove.co.il/img/arrow.gif";
var spacerImg = "https://www.xlove.co.il/img/spacer.gif";

var cardType = "" ;


function CheckForm(f,lang)
{
  
  result = false ;

 // if(document.all || document.layers) 
    result = FieldsCheck(f,lang) ;

  if (result) 
   result = ValidateCreditCard(f,lang);
   
  
  if (result)       
   {
     f.submit.value = "שולח נתונים...";
     f.submit.disabled = true;
     return true ;
   }
   else
   return false;

}

                                                                                          
                                                                                                           
                                                                                          
//---------------------------------------------------------------------------                                
function ShowImage(imagename, imageurl, flag)
{
 document[imagename].src = imageurl;
 
}

//--------------------------------------------------------------------
function FieldsCheck(f,lang)
{
 
 hasErrors = false;
 
 //subscribeTypeErr = f.membershipType.value < 1 ;
 subscribeTypeErr = !(f.membershipType[0].checked || f.membershipType[1].checked || f.membershipType[2].checked || f.membershipType[3].checked );
 //alert(subscribeTypeErr);
 //alert(f.membershipType.value);

 fnameErr=    f.fname.value.length < 1 ;
 lnameErr=    f.lname.value.length < 1 ;
 
 addressErr=  f.address.value.length < 4;
 cityErr=    f.city.value.length < 2;
 stateErr=   f.state.value.length < 2;
 idErr   =   f.id.value.length < 7;
 
 acceptTermsErr = !(f.acceptTerms.checked);
 zipErr=     f.zip.value.length < 4;
 phoneErr=   f.phone.value.length < 9 ;
 authNumErr=   f.authNum.value.length < 3 ;
 
 var cardLen;
 if ( f.cardType.value == "mc"   ) { cardType = "MC" ;  cardLen=16;           }
 if ( f.cardType.value == "ic"   ) { cardType = "IC" ;  cardLen=8;             }
 if ( f.cardType.value == "visa" ) { cardType = "Visa" ;  cardLen=16;           }
 if ( f.cardType.value == "amex" ) { cardType = "AmericanExpress" ;  cardLen=15;}
 
 cardNumErr    =  f.cardNum.value.length < cardLen || !isNum(f.cardNum.value)  ; 
 //if ( f.type[3].checked ) { cardType = "Diners"          }
 
 //authErr =  f.type[0].checked  && f.authNum.value.length != 3 ;



     errImg = "https://www.xlove.co.il/img/arrowHe.gif";
     alertMsg = "מצטערים, חלק משדות החובה רקים או שגויים. אנא בדוק את השדות המסומנים בחץ"; 


  
  if (subscribeTypeErr)
  {
    alertTypeMsg = "אנא בחר את תקופת המנוי הרצוייה לך בראש העמוד. תודה.";
    alert(alertTypeMsg);
    scroll(0,0);
    return false;
 } 



 if (fnameErr  || lnameErr  || addressErr   || cityErr || zipErr || idErr ||
     phoneErr ||  cardNumErr  || acceptTermsErr || stateErr || authNumErr)
  {
   hasErrors = true;
   alert(alertMsg); 
  
 
 } //end if   

 
  
 if(fnameErr) 
   ShowImage("fnameImg", errImg , true) ;  // true = errors
  else
   ShowImage("fnameImg",spacerImg, false) ;  // true = errors 
 
  if(lnameErr) 
    ShowImage("lnameImg", errImg , true) ;  // true = errors
   else
    ShowImage("lnameImg",spacerImg, false) ;  // true = errors 

 if(addressErr )                                                  
  ShowImage("addressImg",errImg ,   true) ;  // true = errors 
 else
  ShowImage("addressImg",spacerImg,   false) ;

 
 if(idErr )                                                  
  ShowImage("idImg",errImg ,   true) ;  // true = errors 
 else
  ShowImage("idImg",spacerImg,   false) ;

 
 
 if(cityErr )                                                  
  ShowImage("cityImg",errImg ,   true) ;  // true = errors 
 else
  ShowImage("cityImg",spacerImg,   false) ;


 if(stateErr )                                                  
 ShowImage("stateImg",errImg ,   true) ;  // true = errors 
 else
 ShowImage("stateImg",spacerImg,   false) ;



 if(zipErr )                                                  
  ShowImage("zipImg",errImg ,   true) ;  // true = errors 
 else
  ShowImage("zipImg",spacerImg,   false) ;


 if(phoneErr)                                            
  ShowImage("phoneImg",errImg ,   true) ;  // true = errors 
 else                                                                    
  ShowImage("phoneImg",spacerImg,   false) ;  

 if(cardNumErr )                                            
  ShowImage("cardNumImg",errImg ,   true) ;  // true = errors 
 else                                                                    
  ShowImage("cardNumImg",spacerImg,   false) ; 


 if(authNumErr )                                            
  ShowImage("authNumImg",errImg ,   true) ;  // true = errors 
 else                                                                    
  ShowImage("authNumImg",spacerImg,   false) ;  



 if(acceptTermsErr )                                            
  ShowImage("acceptTermsImg",errImg ,   true) ;  // true = errors 
 else                                                                    
  ShowImage("acceptTermsImg",spacerImg,   false) ;  


 if (hasErrors == false) 
  return true;  
 
 return false;           

}     //  

//-----------------------------------------------------------------
var Cards = new makeArray(8);
Cards[0] = new CardType("MC", "51,52,53,54,55", "16");
var MC = Cards[0];
Cards[1] = new CardType("Visa", "4", "13,16");
var Visa = Cards[1];
Cards[2] = new CardType("AmericanExpress", "34,37", "15");
var AmericanExpress = Cards[2];
Cards[3] = new CardType("Diners", "30,36,38", "14");
var Diners = Cards[3];
Cards[4] = new CardType("DiscoverCard", "6011", "16");
var DiscoverCard = Cards[4];
Cards[5] = new CardType("enRouteCard", "2014,2149", "15");
var enRouteCard = Cards[5];
Cards[6] = new CardType("JCBCard", "3088,3096,3112,3158,3337,3528", "16");
var JCBCard = Cards[6];
var LuhnCheckSum = Cards[7] = new CardType();

/*************************************************************************\
CheckCardNumber(form)
function called when users click the "check" button.
\*************************************************************************/
function ValidateCreditCard(form,lang) 
{

var tmpyear;
var he_cardname;
var he_cardType;
 
if (lang == "he")
  {
     errImg = "https://www.xlove.co.il/img/arrowHe.gif";
     expErrMsg     = "מצטערים, תוקף הכרטיס שהקלדת שגוי.";
  }
  else
  {
   expErrMsg     = "Sorry, you have entered a past expiration date.";
  }


tmpmonth = form.expMon.options[form.expMon.selectedIndex].value;
tmpyear  = form.expYear.options[form.expYear.selectedIndex].value;

if (!(new CardType()).isExpiryDate(tmpyear, tmpmonth)) 
 {
   alert(expErrMsg);
   ShowImage("expImg",errImg ,   true) ;  
   return false;
 } else
   ShowImage("expImg",spacerImg,   false) ;  


 // if diners - skip check
 if (cardType == "Diners") 
   return true ;

if ( cardType == "IC" ) 
 retval = CheckIsracard(form);
else
 retval = eval( cardType+ ".checkCardNumber(\"" + form.cardNum.value + "\", " + tmpyear + ", " + tmpmonth + ");");


cardname = "";
 if (!retval)
 { 
   // The cardnumber has the valid luhn checksum, but we want to know which
   // cardtype it belongs to.
      for (var n = 0; n < Cards.size; n++) 
      {
         if (Cards[n].checkCardNumber(form.cardNum.value, tmpyear, tmpmonth)) 
         {
            cardname = Cards[n].getCardType();
            break;
         }
      }


   if (lang == "he")
    {
      //alert (cardname);
      if (cardname == "Visa")            { he_cardname= "ויזה"; }
      if (cardname == "MC")              { he_cardname= "מאסטר-כארד"; }
      if (cardname == "AmericanExpress") { he_cardname= "אמריקן-אקספרס"; }
      if (cardType == "IC")              { he_cardType= "ישראכרט"; }
      cardTypeErrMsg= "מספר זה נראה כמו מספר כרטיס " + he_cardname + ", ולא מספר כרטיס " + he_cardType  ;
      cardNumErrMsg = "מצטערים, מספר זה לא נראה כמו מספר כרטיס " + he_cardType + " חוקי.";
    }
    else
    {
     cardTypeErrMsg= "This looks like a " + cardname + " number, not a " + cardType + " number.";
     cardNumErrMsg = "Sorry, this does not looke like a valid " + cardType + " card number.";
    }



      if (cardname.length > 0) 
      {
         alert(cardTypeErrMsg);
         ShowImage("cardNumImg",errImg ,   true) ;
      }
      else
      {
         alert(cardNumErrMsg);
         ShowImage("cardNumImg",errImg ,   true) ;
      }
 } 
 else
  return true;
 


}


/*************************************************************************\
Object CardType([String cardtype, String rules, String len, int year, 
                                        int month])
cardtype    : type of card, eg: MasterCard, Visa, etc.
rules       : rules of the cardnumber, eg: "4", "6011", "34,37".
len         : valid length of cardnumber, eg: "16,19", "13,16".
year        : year of expiry date.
month       : month of expiry date.
eg:
var VisaCard = new CardType("Visa", "4", "16");
var AmExCard = new CardType("AmEx", "34,37", "15");
\*************************************************************************/
function CardType() 
{
var n;
var argv = CardType.arguments;
var argc = CardType.arguments.length;

this.objname = "object CardType";

var tmpcardtype = (argc > 0) ? argv[0] : "CardObject";
var tmprules = (argc > 1) ? argv[1] : "0,1,2,3,4,5,6,7,8,9";
var tmplen = (argc > 2) ? argv[2] : "13,14,15,16,19";

this.setCardNumber = setCardNumber;  // set CardNumber method.
this.setCardType = setCardType;  // setCardType method.
this.setLen = setLen;  // setLen method.
this.setRules = setRules;  // setRules method.
this.setExpiryDate = setExpiryDate;  // setExpiryDate method.

this.setCardType(tmpcardtype);
this.setLen(tmplen);
this.setRules(tmprules);
if (argc > 4)
this.setExpiryDate(argv[3], argv[4]);

this.checkCardNumber = checkCardNumber;  // checkCardNumber method.
this.getExpiryDate = getExpiryDate;  // getExpiryDate method.
this.getCardType = getCardType;  // getCardType method.
this.isCardNumber = isCardNumber;  // isCardNumber method.
this.isExpiryDate = isExpiryDate;  // isExpiryDate method.
this.luhnCheck = luhnCheck;// luhnCheck method.
return this;
}

/*************************************************************************\
boolean checkCardNumber([String cardnumber, int year, int month])
return true if cardnumber pass the luhncheck and the expiry date is
valid, else return false.
\*************************************************************************/
function checkCardNumber() {
var argv = checkCardNumber.arguments;
var argc = checkCardNumber.arguments.length;
var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
var year = (argc > 1) ? argv[1] : this.year;
var month = (argc > 2) ? argv[2] : this.month;

this.setCardNumber(cardnumber);
this.setExpiryDate(year, month);

if (!this.isCardNumber())
return false;
if (!this.isExpiryDate())
return false;

return true;
}
/*************************************************************************\
String getCardType()
return the cardtype.
\*************************************************************************/
function getCardType() {
return this.cardtype;
}
/*************************************************************************\
String getExpiryDate()
return the expiry date.
\*************************************************************************/
function getExpiryDate() {
return this.month + "/" + this.year;
}
/*************************************************************************\
boolean isCardNumber([String cardnumber])
return true if cardnumber pass the luhncheck and the rules, else return
false.
\*************************************************************************/
function isCardNumber() {
var argv = isCardNumber.arguments;
var argc = isCardNumber.arguments.length;
var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
if (!this.luhnCheck())
return false;

for (var n = 0; n < this.len.size; n++)
if (cardnumber.toString().length == this.len[n]) {
for (var m = 0; m < this.rules.size; m++) {
var headdigit = cardnumber.substring(0, this.rules[m].toString().length);
if (headdigit == this.rules[m])
return true;
}
return false;
}
return false;
}

/*************************************************************************\
boolean isExpiryDate([int year, int month])
return true if the date is a valid expiry date,
else return false.
\*************************************************************************/
function isExpiryDate() {
var argv = isExpiryDate.arguments;
var argc = isExpiryDate.arguments.length;

year = argc > 0 ? argv[0] : this.year;
month = argc > 1 ? argv[1] : this.month;

if (!isNum(year+""))
return false;
if (!isNum(month+""))
return false;
today = new Date();
expiry = new Date(year, month);
if (today.getTime() > expiry.getTime())
return false;
else
return true;
}

/*************************************************************************\
boolean isNum(String argvalue)
return true if argvalue contains only numeric characters,
else return false.
\*************************************************************************/
function isNum(argvalue) {
argvalue = argvalue.toString();

if (argvalue.length == 0)
return false;

for (var n = 0; n < argvalue.length; n++)
if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
return false;

return true;
}

/*************************************************************************\
boolean luhnCheck([String CardNumber])
return true if CardNumber pass the luhn check else return false.
Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl
\*************************************************************************/
function luhnCheck() {
var argv = luhnCheck.arguments;
var argc = luhnCheck.arguments.length;

var cardNum = argc > 0 ? argv[0] : this.cardnumber;

if (! isNum(cardNum)) {
return false;
  }

var no_digit = cardNum.length;
var oddoeven = no_digit & 1;
var sum = 0;

for (var count = 0; count < no_digit; count++) {
var digit = parseInt(cardNum.charAt(count));
if (!((count & 1) ^ oddoeven)) {
digit *= 2;
if (digit > 9)
digit -= 9;
}
sum += digit;
}
if (sum % 10 == 0)
return true;
else
return false;
}

/*************************************************************************\
ArrayObject makeArray(int size)
return the array object in the size specified.
\*************************************************************************/
function makeArray(size) {
this.size = size;
return this;
}

/*************************************************************************\
CardType setCardNumber(cardnumber)
return the CardType object.
\*************************************************************************/
function setCardNumber(cardnumber) {
this.cardnumber = cardnumber;
return this;
}

/*************************************************************************\
CardType setCardType(cardtype)
return the CardType object.
\*************************************************************************/
function setCardType(cardtype) {
this.cardtype = cardtype;
return this;
}

/*************************************************************************\
CardType setExpiryDate(year, month)
return the CardType object.
\*************************************************************************/
function setExpiryDate(year, month) {
this.year = year;
this.month = month;
return this;
}

/*************************************************************************\
CardType setLen(len)
return the CardType object.
\*************************************************************************/
function setLen(len) {
// Create the len array.
if (len.length == 0 || len == null)
len = "13,14,15,16,19";

var tmplen = len;
n = 1;
while (tmplen.indexOf(",") != -1) {
tmplen = tmplen.substring(tmplen.indexOf(",") + 1, tmplen.length);
n++;
}
this.len = new makeArray(n);
n = 0;
while (len.indexOf(",") != -1) {
var tmpstr = len.substring(0, len.indexOf(","));
this.len[n] = tmpstr;
len = len.substring(len.indexOf(",") + 1, len.length);
n++;
}
this.len[n] = len;
return this;
}

/*************************************************************************\
CardType setRules()
return the CardType object.
\*************************************************************************/
function setRules(rules) {
// Create the rules array.
if (rules.length == 0 || rules == null)
rules = "0,1,2,3,4,5,6,7,8,9";
  
var tmprules = rules;
n = 1;
while (tmprules.indexOf(",") != -1) {
tmprules = tmprules.substring(tmprules.indexOf(",") + 1, tmprules.length);
n++;
}
this.rules = new makeArray(n);
n = 0;
while (rules.indexOf(",") != -1) {
var tmpstr = rules.substring(0, rules.indexOf(","));
this.rules[n] = tmpstr;
rules = rules.substring(rules.indexOf(",") + 1, rules.length);
n++;
}
this.rules[n] = rules;
return this;
}



/*************************************************************************\
CheckIsracard()
return the CardType object.
\*************************************************************************/
function CheckIsracard(f)
{
   
   cardNum = f.cardNum.value;
   cardNumLen = f.cardNum.value.length;
   if (cardNumLen != 8 && cardNumLen != 9  ) 
   return false;
      
   cardNumStr = f.cardNum.value.toString();

   //if length is eight append a zero at the far left
   // exp number: 31251811
   if (cardNumLen == 8 ) { cardNumStr = "0" + cardNumStr ; }

var sum = 0;
var digit;
var result;
var i =9;

//0 1 0 8 3 0 5 2 9  - number
//9 8 7 6 5 4 3 2 1  - multiply

for (var count = 0; count <9 ; count++) 
{
  digit = parseInt(cardNumStr.charAt(count));
  result = digit * i;
  if (result > 0) {  sum = sum + result; }
  //alert("digit="+digit +"; i="+i + "; result="+result +"; count="+count +"; sum="+sum);
  i--;
}


if (sum % 11 == 0)
return true;
else
return false; 


}

//  End -->