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 = "You did not enter a value into the "

var mSuffix = " field. This is a required field. Please enter it now."

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). Please reenter it now."

var iZIPCode = "This field must be a 5 or 9 digit U.S. ZIP Code (like 94043). Please reenter it now."

var iUSPhone = "This field must be a 10 digit U.S. phone number (like 415 555 1212). Please reenter it now."

var iWorldPhone = "This field must be a valid international phone number. Please reenter it now."

var iSSN = "This field must be a 9 digit U.S. social security number (like 123 45 6789). Please reenter it now."

var iEmail = "This field must be a valid email address (like foo@bar.com). Please reenter it now."

var iCreditCardPrefix = "This is not a valid "

var iCreditCardSuffix = " credit card number. (Click the link on this form to see a list of sample numbers.) Please reenter it now."

var iDay = "This field must be a day number between 1 and 31.  Please reenter it now."

var iMonth = "This field must be a month number between 1 and 12.  Please reenter it now."

var iYear = "This field must be a 2 or 4 digit year number.  Please reenter it now."

var iDatePrefix = "The Day, Month, and Year for "

var iDateSuffix = " do not form a valid date.  Please reenter them now."

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; 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)) {}

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 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 }

}

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 (!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 = cardType.toUpperCase(); var doesMatch = 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);}