var digits = "0123456789";

var lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"

var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

var whitespace = " \t\n\r";

var decimalPointDelimiter = "."

var phoneNumberDelimiters = "()- ";

var validUSPhoneChars = digits + phoneNumberDelimiters;

var validWorldPhoneChars = digits + phoneNumberDelimiters + "+";

var SSNDelimiters = "- ";

var validSSNChars = digits + SSNDelimiters;

var digitsInSocialSecurityNumber = 9;

var digitsInUSPhoneNumber = 10;

var ZIPCodeDelimiters = "-";

var ZIPCodeDelimeter = "-"

var validZIPCodeChars = digits + ZIPCodeDelimiters

var digitsInZIPCode1 = 5
var digitsInZIPCode2 = 9

var creditCardDelimiters = " "

var mPrefix = "Enter a value for "
var mSuffix = ""

var sUSLastName = "Last Name"
var sUSFirstName = "First Name"
var sWorldLastName = "Family Name"
var sWorldFirstName = "Given Name"
var sTitle = "Title"
var sCompanyName = "Company Name"
var sUSAddress = "Street Address"
var sWorldAddress = "Address"
var sCity = "City"
var sStateCode = "State Code"
var sWorldState = "State, Province, or Prefecture"
var sCountry = "Country"
var sZIPCode = "ZIP Code"
var sWorldPostalCode = "Postal Code"
var sPhone = "Phone Number"
var sFax = "Fax Number"
var sDateOfBirth = "Date of Birth"
var sExpirationDate = "Expiration Date"
var sEmail = "Email"
var sSSN = "Social Security Number"
var sCreditCardNumber = "Credit Card Number"
var sOtherInfo = "Other Information"

var iStateCode = "This field must be a valid two character U.S. state abbreviation (like CA for California)."
var iZIPCode = "This field must be a 5 or 9 digit U.S. ZIP Code (like 94043)."
var iUSPhone = "This field must be a 10 digit U.S. phone number (like 415 555 1212)."
var iWorldPhone = "This field must be a valid international phone number."
var iSSN = "This field must be a 9 digit U.S. social security number (like 123 45 6789)."
var iEmail = "This field must be a valid email address (like foo@bar.com)."
var iCreditCardPrefix = "This is not a valid "
var iCreditCardSuffix = " credit card number."
var iDay = "This field must be a day number between 1 and 31."
var iMonth = "This field must be a month number between 1 and 12."
var iYear = "This field must be a 2 or 4 digit year number."
var iDatePrefix = "The Day, Month, and Year for "
var iDateSuffix = " do not form a valid date."

var pEntryPrompt = "Please enter a "
var pStateCode = "2 character code (like CA)."
var pZIPCode = "5 or 9 digit U.S. ZIP Code (like 94043)."
var pUSPhone = "10 digit U.S. phone number (like 415 555 1212)."
var pWorldPhone = "international phone number."
var pSSN = "9 digit U.S. social security number (like 123 45 6789)."
var pEmail = "valid email address (like foo@bar.com)."
var pCreditCard = "valid credit card number."
var pDay = "day number between 1 and 31."
var pMonth = "month number between 1 and 12."
var pYear = "2 or 4 digit year number."

var defaultEmptyOK = false

function makeArray(n) {
   for (var i = 1; i <= n; i++) {
      this[i] = 0
   } 
   return this
}

var daysInMonth = makeArray(12);
daysInMonth[1] = 31;
daysInMonth[2] = 29;   // must programmatically check this
daysInMonth[3] = 31;
daysInMonth[4] = 30;
daysInMonth[5] = 31;
daysInMonth[6] = 30;
daysInMonth[7] = 31;
daysInMonth[8] = 31;
daysInMonth[9] = 30;
daysInMonth[10] = 31;
daysInMonth[11] = 30;
daysInMonth[12] = 31;

var USStateCodeDelimiter = "|";
var USStateCodes = "AL|AK|AS|AZ|AR|CA|CO|CT|DE|DC|FM|FL|GA|GU|HI|ID|IL|IN|IA|KS|KY|LA|ME|MH|MD|MA|MI|MN|MS|MO|MT|NE|NV|NH|NJ|NM|NY|NC|ND|MP|OH|OK|OR|PW|PA|PR|RI|SC|SD|TN|TX|UT|VT|VI|VA|WA|WV|WI|WY|AE|AA|AE|AE|AP"

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

function isWhitespace (s)

{   var i;

    if (isEmpty(s)) return true;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if (whitespace.indexOf(c) == -1) return false;
    }

    return true;
}

function stripCharsInBag (s, bag)

{   var i;
    var returnString = "";

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) { returnString += c; }
    }

    return returnString;
}

function stripCharsNotInBag (s, bag)

{   var i;
    var returnString = "";

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (bag.indexOf(c) != -1) { returnString += c; }
    }

    return returnString;
}

function stripWhitespace (s)

{   return stripCharsInBag (s, whitespace)
}

function charInString (c, s)
{   for (i = 0; i < s.length; i++)
    {   if (s.charAt(i) == c) { return true; }
    }
    return false
}

function stripInitialWhitespace (s)

{   var i = 0;

    while ((i < s.length) && charInString (s.charAt(i), whitespace))
       i++;
    
    return s.substring (i, s.length);
}

function isLetter (c)
{   return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}

function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

function isLetterOrDigit (c)
{   return (isLetter(c) || isDigit(c))
}

function isInteger (s)

{   var i;

    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isInteger.arguments[1] == true);

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if (!isDigit(c)) return false;
    }

    return true;
}

function isSignedInteger (s)

{   if (isEmpty(s)) 
       if (isSignedInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isSignedInteger.arguments[1] == true);

    else {
        var startPos = 0;
        var secondArg = defaultEmptyOK;

        if (isSignedInteger.arguments.length > 1)
            secondArg = isSignedInteger.arguments[1];

        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
           startPos = 1;    
        return (isInteger(s.substring(startPos, s.length), secondArg))
    }
}

function isPositiveInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isPositiveInteger.arguments.length > 1)
        secondArg = isPositiveInteger.arguments[1];

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) > 0) ) );
}

function isNonnegativeInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isNonnegativeInteger.arguments.length > 1)
        secondArg = isNonnegativeInteger.arguments[1];

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
}

function isNegativeInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isNegativeInteger.arguments.length > 1)
        secondArg = isNegativeInteger.arguments[1];

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) < 0) ) );
}

function isNonpositiveInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isNonpositiveInteger.arguments.length > 1)
        secondArg = isNonpositiveInteger.arguments[1];

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) <= 0) ) );
}

function isFloat (s)

{   var i;
    var seenDecimalPoint = false;

    if (isEmpty(s)) 
       if (isFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isFloat.arguments[1] == true);

    if (s == decimalPointDelimiter) return false;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if ((c == decimalPointDelimiter) && !seenDecimalPoint) seenDecimalPoint = true;
        else if (!isDigit(c)) return false;
    }

    return true;
}

function isSignedFloat (s)

{   if (isEmpty(s)) 
       if (isSignedFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isSignedFloat.arguments[1] == true);

    else {
        var startPos = 0;
        var secondArg = defaultEmptyOK;

        if (isSignedFloat.arguments.length > 1)
            secondArg = isSignedFloat.arguments[1];

        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
           startPos = 1;    
        return (isFloat(s.substring(startPos, s.length), secondArg))
    }
}

function isAlphabetic (s)

{   var i;

    if (isEmpty(s)) 
       if (isAlphabetic.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphabetic.arguments[1] == true);

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if (!isLetter(c))
        return false;
    }

    return true;
}

function isAlphanumeric (s)

{   var i;

    if (isEmpty(s)) 
       if (isAlphanumeric.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphanumeric.arguments[1] == true);

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if (! (isLetter(c) || isDigit(c) ) )
        return false;
    }

    return true;
}

function reformat (s)

{   var arg;
    var sPos = 0;
    var resultString = "";

    for (var i = 1; i < reformat.arguments.length; i++) {
       arg = reformat.arguments[i];
       if (i % 2 == 1) resultString += arg;
       else {
           resultString += s.substring(sPos, sPos + arg);
           sPos += arg;
       }
    }
    return resultString;
}

function isSSN (s)
{   if (isEmpty(s)) 
       if (isSSN.arguments.length == 1) return defaultEmptyOK;
       else return (isSSN.arguments[1] == true);
    return (isInteger(s) && s.length == digitsInSocialSecurityNumber)
}

function isUSPhoneNumber (s)
{   if (isEmpty(s)) 
       if (isUSPhoneNumber.arguments.length == 1) return defaultEmptyOK;
       else return (isUSPhoneNumber.arguments[1] == true);
    return (isInteger(s) && s.length == digitsInUSPhoneNumber)
}

function isInternationalPhoneNumber (s)
{   if (isEmpty(s)) 
       if (isInternationalPhoneNumber.arguments.length == 1) return defaultEmptyOK;
       else return (isInternationalPhoneNumber.arguments[1] == true);
    return (isPositiveInteger(s))
}

function isZIPCode (s)
{  if (isEmpty(s)) 
       if (isZIPCode.arguments.length == 1) return defaultEmptyOK;
       else return (isZIPCode.arguments[1] == true);
   return (isInteger(s) && 
            ((s.length == digitsInZIPCode1) ||
             (s.length == digitsInZIPCode2)))
}

function isStateCode(s)
{   if (isEmpty(s)) 
       if (isStateCode.arguments.length == 1) return defaultEmptyOK;
       else return (isStateCode.arguments[1] == true);
    return ( (USStateCodes.indexOf(s) != -1) &&
             (s.indexOf(USStateCodeDelimiter) == -1) )
}

function isEmail (s)
{   if (isEmpty(s)) 
       if (isEmail.arguments.length == 1) return defaultEmptyOK;
       else return (isEmail.arguments[1] == true);
   
    if (isWhitespace(s)) return false;
    
    var i = 1;
    var sLength = s.length;

    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

function isYear (s)
{   if (isEmpty(s)) 
       if (isYear.arguments.length == 1) return defaultEmptyOK;
       else return (isYear.arguments[1] == true);
    if (!isNonnegativeInteger(s)) return false;
    return ((s.length == 2) || (s.length == 4));
}

function isIntegerInRange (s, a, b)
{   if (isEmpty(s)) 
       if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
       else return (isIntegerInRange.arguments[1] == true);

    if (!isInteger(s, false)) return false;

    var num = parseInt (s);
    return ((num >= a) && (num <= b));
}

function isMonth (s)
{   if (isEmpty(s)) 
       if (isMonth.arguments.length == 1) return defaultEmptyOK;
       else return (isMonth.arguments[1] == true);
    return isIntegerInRange (s, 1, 12);
}

function isDay (s)
{   if (isEmpty(s)) 
       if (isDay.arguments.length == 1) return defaultEmptyOK;
       else return (isDay.arguments[1] == true);   
    return isIntegerInRange (s, 1, 31);
}


function daysInFebruary (year)
{
    return (  ((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0) ) ) ? 29 : 28 );
}

function isDate (year, month, day)
{
    if (! (isYear(year, false) && isMonth(month, false) && isDay(day, false))) return false;

    var intYear = parseInt(year);
    var intMonth = parseInt(month);
    var intDay = parseInt(day);

    if (intDay > daysInMonth[intMonth]) return false; 

    if ((intMonth == 2) && (intDay > daysInFebruary(intYear))) return false;

    return true;
}

function prompt (s)
{   window.status = s
}

function promptEntry (s)
{   window.status = pEntryPrompt + s
}

function warnEmpty (theField, s)
{   theField.focus()
    alert(mPrefix + s + mSuffix)
    return false
}

function warnInvalid (theField, s)
{   theField.focus()
    theField.select()
    alert(s)
    return false
}

function checkString (theField, s, emptyOK)
{
    if (checkString.arguments.length == 2) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (isWhitespace(theField.value)) 
       return warnEmpty (theField, s);
    else return true;
}

function checkStateCode (theField, emptyOK)
{   if (checkStateCode.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    {  theField.value = theField.value.toUpperCase();
       if (!isStateCode(theField.value, false)) 
          return warnInvalid (theField, iStateCode);
       else return true;
    }
}

function reformatZIPCode (ZIPString)
{   if (ZIPString.length == 5) return ZIPString;
    else return (reformat (ZIPString, "", 5, "-", 4));
}

function checkZIPCode (theField, emptyOK)
{   if (checkZIPCode.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    { var normalizedZIP = stripCharsInBag(theField.value, ZIPCodeDelimiters)
      if (!isZIPCode(normalizedZIP, false)) 
         return warnInvalid (theField, iZIPCode);
      else 
      {
         theField.value = reformatZIPCode(normalizedZIP)
         return true;
      }
    }
}

function reformatUSPhone (USPhone)
{   return (reformat (USPhone, "(", 3, ") ", 3, "-", 4))
}

function checkUSPhone (theField, emptyOK)
{   if (checkUSPhone.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    {  var normalizedPhone = stripCharsInBag(theField.value, phoneNumberDelimiters)
       if (!isUSPhoneNumber(normalizedPhone, false)) 
          return warnInvalid (theField, iUSPhone);
       else 
       {
          theField.value = reformatUSPhone(normalizedPhone)
          return true;
       }
    }
}

function checkInternationalPhone (theField, emptyOK)
{   if (checkInternationalPhone.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    {  if (!isInternationalPhoneNumber(theField.value, false)) 
          return warnInvalid (theField, iWorldPhone);
       else return true;
    }
}

function checkEmail (theField, emptyOK)
{   if (checkEmail.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if (!isEmail(theField.value, false)) 
       return warnInvalid (theField, iEmail);
    else return true;
}

function reformatSSN (SSN)
{   return (reformat (SSN, "", 3, "-", 2, "-", 4))
}

function checkSSN (theField, emptyOK)
{   if (checkSSN.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    {  var normalizedSSN = stripCharsInBag(theField.value, SSNDelimiters)
       if (!isSSN(normalizedSSN, false)) 
          return warnInvalid (theField, iSSN);
       else 
       {
          theField.value = reformatSSN(normalizedSSN)
          return true;
       }
    }
}

function checkYear (theField, emptyOK)
{   if (checkYear.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!isYear(theField.value, false)) 
       return warnInvalid (theField, iYear);
    else return true;
}

function checkMonth (theField, emptyOK)
{   if (checkMonth.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!isMonth(theField.value, false)) 
       return warnInvalid (theField, iMonth);
    else return true;
}

function checkDay (theField, emptyOK)
{   if (checkDay.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!isDay(theField.value, false)) 
       return warnInvalid (theField, iDay);
    else return true;
}

function checkDate (yearField, monthField, dayField, labelString, OKtoOmitDay)
{
    if (checkDate.arguments.length == 4) OKtoOmitDay = false;
    if (!isYear(yearField.value)) return warnInvalid (yearField, iYear);
    if (!isMonth(monthField.value)) return warnInvalid (monthField, iMonth);
    if ( (OKtoOmitDay == true) && isEmpty(dayField.value) ) return true;
    else if (!isDay(dayField.value)) 
       return warnInvalid (dayField, iDay);
    if (isDate (yearField.value, monthField.value, dayField.value))
       return true;
    alert (iDatePrefix + labelString + iDateSuffix)
    return false
}

function getRadioButtonValue (radio)
{   for (var i = 0; i < radio.length; i++)
    {   if (radio[i].checked) { break }
    }
    if ( !( radio[i] ) ) {
		return "";
	}
	else {
		return radio[i].value;
	}
}

function checkCreditCard (radio, theField)
{   var cardType = getRadioButtonValue (radio)
    var normalizedCCN = stripCharsInBag(theField.value, creditCardDelimiters)
    if (!isCardMatch(cardType, normalizedCCN)) 
       return warnInvalid (theField, iCreditCardPrefix + cardType + iCreditCardSuffix);
    else 
    {  theField.value = normalizedCCN
       return true
    }
}

function isCreditCard(st) {
  if (st.length > 19)
    return (false);

  sum = 0; mul = 1; l = st.length;
  for (i = 0; i < l; i++) {
    digit = st.substring(l-i-1,l-i);
    tproduct = parseInt(digit ,10)*mul;
    if (tproduct >= 10)
      sum += (tproduct % 10) + 1;
    else
      sum += tproduct;
    if (mul == 1)
      mul++;
    else
      mul--;
  }
  if ((sum % 10) == 0)
    return (true);
  else
    return (false);

}

function isVisa(cc)
{
  if (((cc.length == 16) || (cc.length == 13)) &&
      (cc.substring(0,1) == 4))
    return isCreditCard(cc);
  return false;
}

function isMasterCard(cc)
{
  firstdig = cc.substring(0,1);
  seconddig = cc.substring(1,2);
  if ((cc.length == 16) && (firstdig == 5) &&
      ((seconddig >= 1) && (seconddig <= 5)))
    return isCreditCard(cc);
  return false;

}

function isAmericanExpress(cc)
{
  firstdig = cc.substring(0,1);
  seconddig = cc.substring(1,2);
  if ((cc.length == 15) && (firstdig == 3) &&
      ((seconddig == 4) || (seconddig == 7)))
    return isCreditCard(cc);
  return false;

}

function isDinersClub(cc)
{
  firstdig = cc.substring(0,1);
  seconddig = cc.substring(1,2);
  if ((cc.length == 14) && (firstdig == 3) &&
      ((seconddig == 0) || (seconddig == 6) || (seconddig == 8)))
    return isCreditCard(cc);
  return false;
}

function isCarteBlanche(cc)
{
  return isDinersClub(cc);
}

function isDiscover(cc)
{
  first4digs = cc.substring(0,4);
  if ((cc.length == 16) && (first4digs == "6011"))
    return isCreditCard(cc);
  return false;

}

function isEnRoute(cc)
{
  first4digs = cc.substring(0,4);
  if ((cc.length == 15) &&
      ((first4digs == "2014") ||
       (first4digs == "2149")))
    return isCreditCard(cc);
  return false;
}

function isJCB(cc)
{
  first4digs = cc.substring(0,4);
  if ((cc.length == 16) &&
      ((first4digs == "3088") ||
       (first4digs == "3096") ||
       (first4digs == "3112") ||
       (first4digs == "3158") ||
       (first4digs == "3337") ||
       (first4digs == "3528")))
    return isCreditCard(cc);
  return false;

}

function isAnyCard(cc)
{
  if (cc == "4222222222222222") { // test card
    return true;
   }
  if (!isCreditCard(cc))
    return false;
  if (!isMasterCard(cc) && !isVisa(cc) && !isAmericanExpress(cc) && !isDinersClub(cc) &&
      !isDiscover(cc) && !isEnRoute(cc) && !isJCB(cc)) {
    return false;
  }
  return true;

}

function isCardMatch (cardType, cardNumber)
{

	cardType = stripWhitespace(cardType);
	cardType = cardType.toUpperCase();
	var doesMatch = true;

  if (cardNumber == "4222222222222222") { // test card
    return true;
  }
   
	if ((cardType == "VISA") && (!isVisa(cardNumber)))
		doesMatch = false;
	if ((cardType == "MASTERCARD") && (!isMasterCard(cardNumber)))
		doesMatch = false;
	if ( ( (cardType == "AMERICANEXPRESS") || (cardType == "AMEX") )
                && (!isAmericanExpress(cardNumber))) doesMatch = false;
	if ((cardType == "DISCOVER") && (!isDiscover(cardNumber)))
		doesMatch = false;
	if ((cardType == "JCB") && (!isJCB(cardNumber)))
		doesMatch = false;
	if ((cardType == "DINERS") && (!isDinersClub(cardNumber)))
		doesMatch = false;
	if ((cardType == "CARTEBLANCHE") && (!isCarteBlanche(cardNumber)))
		doesMatch = false;
	if ((cardType == "ENROUTE") && (!isEnRoute(cardNumber)))
		doesMatch = false;
	return doesMatch;

}

function IsCC (st) {
    return isCreditCard(st);
}

function IsVisa (cc)  {
  return isVisa(cc);
}

function IsVISA (cc)  {
  return isVisa(cc);
}

function IsMasterCard (cc)  {
  return isMasterCard(cc);
}

function IsMastercard (cc)  {
  return isMasterCard(cc);
}

function IsMC (cc)  {
  return isMasterCard(cc);
}

function IsAmericanExpress (cc)  {
  return isAmericanExpress(cc);
}

function IsAmEx (cc)  {
  return isAmericanExpress(cc);
}

function IsDinersClub (cc)  {
  return isDinersClub(cc);
}

function IsDC (cc)  {
  return isDinersClub(cc);
}

function IsDiners (cc)  {
  return isDinersClub(cc);
}

function IsCarteBlanche (cc)  {
  return isCarteBlanche(cc);
}

function IsCB (cc)  {
  return isCarteBlanche(cc);
}

function IsDiscover (cc)  {
  return isDiscover(cc);
}

function IsEnRoute (cc)  {
  return isEnRoute(cc);
}

function IsenRoute (cc)  {
  return isEnRoute(cc);
}

function IsJCB (cc)  {
  return isJCB(cc);
}

function IsAnyCard(cc)  {
  return isAnyCard(cc);
}

function IsCardMatch (cardType, cardNumber)  {
  return isCardMatch (cardType, cardNumber);
}

// this will work to get element by ID for Mozilla DOM (including IE5.x - 6.x) as well as IE4.
function get(eN){
	if(document.getElementById){
		return(eval('document.getElementById(\'' + eN + '\')'));
	}
	else	if(document.all){
			return(eval('document.all.' + eN));
	}
}


//Validations JS
//Make sure that the year, month, and day are in the correct range, and that
// the day value is not greater than the number of days in the month. This
// function does account for leap years. It also assumes that the date is in
// American format (mm/dd/yy) instead of (dd/mm/yy).
function CheckDate(date, dFormat){
    var calendar = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
    var day;
    var xx;
    var yy;
    var month;
    var year;

    if (date.substring(1, 2) == '/')    {
        yy = parseInt(date.substring(0, 1), 10);
        if (date.substring(3, 4) == '/')        {
             xx = parseInt(date.substring(2, 3), 10);
             year = parseInt(date.substring(4, 8), 10);
        }
        else        {
             xx = parseInt(date.substring(2, 4), 10);
             year = parseInt(date.substring(5, 9), 10);
        }
    }
   else    {
        yy = parseInt(date.substring(0, 2), 10);
        if (date.substring(4, 5) == '/')        {
             xx = parseInt(date.substring(3, 4), 10);
             year = parseInt(date.substring(5, 9), 10);
        }
        else        {
             xx = parseInt(date.substring(3, 5), 10);
             year = parseInt(date.substring(6, 10), 10);
        }
    }
    
    if ( dFormat == "ddmmyy" ) {
    	day = yy;
    	month = xx;
    }
    else {
    	day = xx;
    	month = yy;
    }

    if (day < 1 || month < 1 || month > 12 || year < 10 || ( year >= 100 ) && ( year < 1000 ) )        return false;
        calendar[1] += (year % 4 ? 0 : year % 100 ? 1 : year % 400 ? year == 200 ? 1 : 0 : 1);
    return (day <= calendar[month - 1]);
}

function stringToMilliseconds(date, dFormat){
//This function will return seconds since 01/01/00 for dateformats mmddyyyy and ddmmyyyy

    var day;
    var xx;
    var yy;
    var month;
    var year;
    var retVal;

    if (date.substring(1, 2) == '/')    {
        yy = parseInt(date.substring(0, 1), 10);
        if (date.substring(3, 4) == '/')        {
             xx = parseInt(date.substring(2, 3), 10);
             year = parseInt(date.substring(4, 8), 10);
        }
        else        {
             xx = parseInt(date.substring(2, 4), 10);
             year = parseInt(date.substring(5, 9), 10);
        }
    }
   else    {
        yy = parseInt(date.substring(0, 2), 10);
        if (date.substring(4, 5) == '/')        {
             xx = parseInt(date.substring(3, 4), 10);
             year = parseInt(date.substring(5, 9), 10);
        }
        else        {
             xx = parseInt(date.substring(3, 5), 10);
             year = parseInt(date.substring(6, 10), 10);
        }
    }
    
    if ( dFormat == "ddmmyy" ) {
    	day = yy;
    	month = xx;
    }
    else {
    	day = xx;
    	month = yy;
    }


  var retVal = Date.parse(month + "/" + day + "/" + year)
  return retVal;
   
}

function isGreaterThanDate(strDateToCheck, strDatetoCheckAgainst, dateformat)
{

//alert ('Date1:'+ strDateToCheck + ', Date2:' + strDatetoCheckAgainst);
if (strDatetoCheckAgainst == "") return true;
if (strDateToCheck  == "") return false;

if (CheckDate(strDateToCheck, dateformat) == false) return "error";

if (CheckDate(strDatetoCheckAgainst,dateformat)==false) return "error1";

var dateToCheck;
var dateToCheckAgainst;

dateToCheck = stringToMilliseconds( strDateToCheck,dateformat);
dateToCheckAgainst = stringToMilliseconds( strDatetoCheckAgainst, dateformat);

//alert ('Date1:'+ dateToCheck + ', Date2:' + dateToCheckAgainst);
if (dateToCheck > dateToCheckAgainst) 
	{return true;}

else 
	{return false;}
}
 
function checkMaxMinDate(dateToCheck,minDate1,minDate2,maxDate1,maxDate2,dateformat) {
var retVal
var min
var max

if (!CheckDate(dateToCheck,dateformat)) return false;

if (minDate1 != "" || minDate2 != "") {
//Check min
   
   if (isGreaterThanDate(minDate1,minDate2,dateformat) == "error") {
	alert("error with Date Format for minDate: " + minDate1);
	return false;
  }
  else if (isGreaterThanDate(minDate1,minDate2,dateformat) == "error1") {
	//Date format for minDate2 will be checked at some point if form is correctly constructed skip min date
 	retVal= true;
  }
  else if (minDate1 =="" && minDate2 != "") {
             if (isGreaterThanDate(minDate2,dateToCheck,dateformat)) {
                   return false;
               }
               else {
                   retVal = true;
               }	
  }
  else if (minDate2 == "" && minDate1 != "") {
              if (isGreaterThanDate(minDate1,dateToCheck,dateformat)) {
                   return false;
               }
               else {
                   retVal = true;
               }	
   }
  else if (isGreaterThanDate(minDate1,minDate2,dateformat) == true && minDate2 != "") {
              if (isGreaterThanDate(minDate2,dateToCheck,dateformat)) {
                   return false;
               }
               else {
                   retVal = true;
               }
    }
    else if (isGreaterThanDate(minDate1,dateToCheck,dateformat)) {
                  return false;
               }
               else {
                   retVal = true;
               }	 
     }
         

if (maxDate1 != "" || maxDate2 != "") {
//Check max
   if (isGreaterThanDate(maxDate1,maxDate2,dateformat) == "error") {
	alert("error with Date Format for maxDate:" + maxDate1);
	return false;
  }
  else  if (isGreaterThanDate(maxDate1,maxDate2,dateformat) == "error1") {
	//Date format for maxDate2 will be checked at some point if form is correctly constructed skip max date
 	return true;
  }
  else if (maxDate1 == "" && maxDate2 != "") {
              if (isGreaterThanDate(maxDate2,dateToCheck,dateformat)) {
                   return true;
               }
               else {
                   return false;
               }	
  }
  else if (maxDate1 != "" && maxDate2 == "") {
              if (isGreaterThanDate(maxDate1,dateToCheck,dateformat)) {
                   return true;
               }
               else {
                   return false;
               }	
  }

  else  if (isGreaterThanDate(maxDate1,maxDate2,dateformat)) {
              if (isGreaterThanDate(maxDate1,dateToCheck,dateformat)) {
                   return true;
               }
               else {
                   return false;
               }	
          
   }
   else if (isGreaterThanDate(maxDate2,dateToCheck,dateformat)) {
                   return true;
               }
               else {
                   return false;
               }	 
    }       
   

return true;
}

var ValidationDict = new Object();

ValidationDict.zip = /\d{5}(-\d{4})?/; // zip

//ValidationDict.numeric = /(,?[0-9])*(.)?([0-9])*/; // matches #,###,###.##
//ValidationDict.numeric = /(,?[0-9])*.?[0-9]*/; // matches #,###,###.##
ValidationDict.numeric = /[0-9]*/; // matches #########

ValidationDict.currencyUSD = /^\$*\d{1,3}(,\d{3})*\.\d{2}/; // matches $#,###,###.##

ValidationDict.currencyRs = /((Rs)?)(\d{1,2})?(\,\d{2})*(\,?\d{1,3})(\.\d{1,2})?/; // matches Rs#,##,##,###.##

ValidationDict.hhmm12 = /^([1-9]|1[0-2]):[0-5]\d$/; // 12 hour time

ValidationDict.hhmm24 = /^([1-9]|[1-2][0-4]):[0-5]\d$/; // 24 hour time

ValidationDict.email =  /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/; // internet email address



function validateForm(theForm, validatorField, msgField, reqField, min, minField, max, maxField, preEval){

var msg = "";
var formElements = theForm.elements;
var isValid = true;
var retVal = true;

if ( arguments.length >= 9 ) eval( preEval );

for( var i = 0; i < formElements.length; i++ ) {

with( formElements[i] ){

var validationType = eval( 'formElements[i].' + validatorField );

if ( !(formElements[i].value > "") || ( validationType == "radio" )) {
  var validationReq = eval( 'formElements[i].' + reqField );

  if (validationReq == "yes") {
    if ( validationType == "radio" ) {
      var radio = formElements[i];

      if ( !formElements[i - 1] == false ) {
        if ( ( name == formElements[i - 1].name ) && ( retVal == true ) ) continue;
      }

      retVal = radio.checked;
      if ( !formElements[i + 1] == false ) {
        if ( ( name == formElements[i + 1].name ) || ( retVal == true ) ) continue;
      }
      else {
        if ( retVal == true ) continue;
      }
    }

    if ( msg == "" ) formElements[i].focus();
    msg += ( eval( "formElements[i]." + msgField ) + " \n" );
    isValid = false;

    continue;
  }
  else {
    continue;
  }
}

if( !validationType ) {
      continue;
}

var patterns = ValidationDict[validationType];

if( !patterns ) {
  retVal = true;
}
else { 
  retVal = patterns.exec( value );
  if ( retVal > "" ) retVal = true;
}

var validationMin = eval('formElements[i].' + min);
var validationMax = eval('formElements[i].' + max);

if (!validationMin) validationMin = "";
if (!validationMax) validationMax = "";
var minFieldName = eval('formElements[i].' + minField);
var maxFieldName = eval('formElements[i].' + maxField);
if (minFieldName) {
	var validationMinField =  eval( 'theForm.' + minFieldName + '.value' );
}
else var validationMinField = "";

if (maxFieldName) {
var validationMaxField =  eval( 'theForm.' + maxFieldName + '.value' );
}
else var validationMaxField = "";


if ( validationType == "dateUK" ) {
   retVal = checkMaxMinDate( value, validationMin,validationMinField, validationMax, validationMaxField, "ddmmyy" );
  // alert('date checked:' + retVal);
}
else if ( validationType == "date" ) {
    retVal = checkMaxMinDate( value, validationMin, validationMinField, validationMax, validationMaxField, "mmddyy" );
      } 

  if( retVal != true ){
      if ( msg == "" ) formElements[i].focus();
      msg += eval( "formElements[i]." + msgField ) + " \n"; isValid = false;
  }

}
}

if ( isValid == false ) {
  alert ( msg );
  return false;
}
  return true;
}


//Smart-eCat JS
function NextURL(nextURL) {
	if ( nextURL == null || nextURL == "" ) { 
		if ( window.opener ) {
			window.close();
		}
		else {
			history.back();
		}
	}
	else {
		window.location = nextURL;
	}
}


function openImageWindow( windowUrl, windowHeight, windowWidth ) { 
	var windowArgs = "";

	if ( openImageWindow.arguments.length > 1 ) {
		windowArgs = "height=" + windowHeight + ",width=" + windowWidth + ",";
	}

	windowArgs += "dependent=yes,resizable=yes,menubar=no,scrollbars=yes,toolbar=no,z-lock=yes";
	imageWindow = window.open(windowUrl,"SeCWindow",windowArgs);
	imageWindow.focus();
}


function AddToOrder(docID, itemQty, dbURL, nextURL, openShoppingCart) {
	if ( isNonnegativeInteger( itemQty, false ) == false )  {
		alert ( "Enter a non negative numeric quantity" ) ;
		return false ;
	}

	if ( itemQty > 32767 )  {
		alert ( "Item quantity may not be greater than 32767" ) ;
		return false ;
	}

	agentURL = dbURL + "/(Add+Item+to+Order)?OpenAgent";

	if( itemQty == null || itemQty == "" ) {
		addItemURL = agentURL + '&ItemID=' + docID + '&ItemQty=1&NextURL=' + nextURL;
	}
	else {
		addItemURL = agentURL + '&ItemID=' + docID + '&ItemQty=' + itemQty + '&NextURL=' + nextURL;
	}
	
	if ( openShoppingCart == true ) {
		addItemURL += "&OpenOrder=1";
	}

	if ( window.frames['DropBox'] ) {
		window.frames['DropBox'].location.href = addItemURL;
	}
	else { 
		window.location.href = addItemURL;
	}
	return true;
}


function AddItemFromView(docID, itemQty, dbURL, anchor) {
	if ( isNonnegativeInteger( itemQty, false ) == false )  {
		alert ( "Enter a non negative numeric quantity" ) ;
		return false ;
	}

	if ( itemQty > 32767 )  {
		alert ( "Item quantity may not be greater than 32767" ) ;
		return false ;
	}

	var nextURL;
	if( document.forms[0].PageURL ) { 
		nextURL = document.forms[0].PageURL.value;
		nextURL += anchor;
	}

	AddToOrder(docID, itemQty, dbURL, nextURL);
	return true;
}


function SubmitSearchForm(form, dbURL, view, category) {
	searchURL = dbURL + "/" + view + "?SearchView&Query=";

	if ( category > "" ) searchURL += "([Category] contains " + category + ") AND ";

	exactMatch = form.ExactMatch.value;
	if ( exactMatch == "" ) { exactMatch = "TRUE" }
	
	useThesaurus = form.UseThesaurus.value
	if ( useThesaurus == "" ) { useThesaurus = "TRUE" }
	
	searchURL += form.Query.value;
	searchURL += "&SearchOrder=" + form.Sort.value;
	searchURL += "&SearchMax=" + form.MaxResults.value;
	searchURL += "&SearchWV=" + exactMatch;
	searchURL += "&SearchThesaurus=" + useThesaurus;
	
	searchURL += searchURL + '&View=' + view + '&Category=' + category;

	location.href = searchURL;
}



function setCookie(name, value, expire, domain, path, secure) {
   document.cookie = name + "=" + escape(value)
   + ((expire == null) ? ";" : ("; expires=" + expire.toGMTString()))
   + ((domain == null) ? ";" : ("; domain=" + domain))
   + ((path == null) ? "; path=/" : ("; path=" + path))
   + ((secure == null) ? ";" : ("; secure=" + secure))
   + ";"
}

function getCookie(Name) {
   var search = Name + "="
   if (document.cookie.length > 0) {
 // if there are any cookies
      offset = document.cookie.indexOf(search)
       if (offset != -1) { // if cookie exists
          offset += search.length
          // set index of beginning of value
         end = document.cookie.indexOf(";", offset)
          // set index of end of cookie value
         if (end == -1)
             end = document.cookie.length
         return unescape(document.cookie.substring(offset, end))
      }
    }
}

function DeleteCookie(sName)
{
  // Delete the cookie with the specified name.  
  document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}
function setProductID( form ) {
	var showSize = form.ShowSize.value;
	var showColor = form.ShowColor.value;

	// get the list of product IDs
	tempString = form.ProductGroupIDList.value;
	var productIDList = tempString.split(",");
		
	//If we are looking at both sizes and colors
	if ( showColor == "Yes" && showSize == "Yes" ) {
		var tempString = new String("");
	
		tempString = form.ProductGroupSizeList.value;
		var productSizes = tempString.split(",");
		var sizeIndex = form.ProductSize.selectedIndex;
		sizeIndex < 0 ? sizeIndex = 0 : true;
		var size = productSizes[sizeIndex];

		tempString = form.ProductGroupColorList.value;
		var productColors = tempString.split(",");
		var colorIndex = form.ProductColor.selectedIndex;
		colorIndex < 0 ? colorIndex = 0 : true;
		var color = productColors[colorIndex];
	
		var sizecolor = size + '*' + color;
		var i = 0;
	
		tempString = form.ProductGroupSizeColorList.value;
		var productGroupSizeColors = tempString.split(",");
		
		for ( i = 0; i < productGroupSizeColors.length; i++ )
    		{
			if (sizecolor == productGroupSizeColors[i])
			{
				form.ProductID.value = productIDList[i];
				form.ProductGroupIDSelect.value = productIDList[i];
				form.ProductGroupIDSelect.selectedIndex = i;
				
				return true;
	     	}
		  }
   	}
	else if ( showColor == "Yes" ) {
		//If it's just a color list
		var intIndex = form.ProductColor.selectedIndex;
		form.ProductID.value = productIDList[intIndex];
		form.ProductGroupIDSelect.value = productIDList[intIndex];
		form.ProductGroupIDSelect.selectedIndex = intIndex;
	}
	else if ( showSize == "Yes" ) {
		//If it's just a size list
		var intIndex = form.ProductSize.selectedIndex;
		form.ProductID.value = productIDList[intIndex];
		form.ProductGroupIDSelect.value = productIDList[intIndex];
		form.ProductGroupIDSelect.selectedIndex = intIndex;	
	}
	
	return true;
}

function AddItemFromView(docID, itemQty, dbURL, anchor) {
	if ( isNonnegativeInteger( itemQty, false ) == false )  {
		alert ( "Enter a non negative numeric quantity" ) ;
		return false ;
	}

	if ( itemQty > 32767 )  {
		alert ( "Item quantity may not be greater than 32767" ) ;
		return false ;
	}

	var nextURL;
	if( document.forms[0].PageURL ) { 
		nextURL = document.forms[0].PageURL.value;
		nextURL += anchor;
	}

	AddToOrder(docID, itemQty, dbURL, nextURL);
	return true;
}