// JavaScript library for form field validation

var digits = "0123456789";

var lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"

var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"


var whitespace = " \t\n\r";
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 iCreditCard = "This field must be a valid credit card number. 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 iDate = "This field must be a valid date. Please reenter it now."

var iInteger = "This field must be a whole number value. Please reenter it now."
var iPositiveInteger = "This field must be a positive whole number value. Please reenter it now."
var iAlphabetic = "This field must contain only letters. Please reenter it now."
var iNumber = "This field must contain only numeric values. Please reenter it now."
var iCustom = "Invalid value.  Please reenter."

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);
}

//Allows blanks as well as letters
function isLetter (c)
{   return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) || (c==" "))
}

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

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

		if ((event.keyCode >=48 && event.keyCode <= 57) || event.keyCode == 8 )
				event.keyCode=event.keyCode;
		else
				event.keyCode=0;	
	
	}

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 == ".") return false;

    for (i = 0; i < s.length; i++)
    {
        // Check that current character is number.
        var c = s.charAt(i);

        if ((c == ".") && !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];

        // skip leading + or -
        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++) {
        // Check that current character is letter.
        var c = s.charAt(i);

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

    // All characters are letters.
    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 isvalidEmailChar (s)
{   var i;

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

        if (! (isLetter(c) || isDigit(c) || (c=='@') || (c=='.') || (c=='_') || (c=='-') || (c=='+')) ) {
       	return false;
		}
    }

    return true;
}


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

    if (isWhitespace(s)) return false;
    if (!isvalidEmailChar(s)) return false;

    atOffset = s.lastIndexOf('@');

    if ( atOffset < 1 )
        return false;
    else {
 	dotOffset = s.indexOf('.', atOffset);

      if ( dotOffset < atOffset + 2 ||
         dotOffset > s.length - 2 ) {
         return false;
      }
   }
   return true;
}

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 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 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
}

//Special for for NAB
function checkExpression(theField, sExpr, emptyOK) {
    if (checkExpression.arguments.length == 2) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!theField.eval(sExpr))
       return warnInvalid(theField, iCustom)
    else
    	return true;
}

//NAB
function checkNumber (theField, emptyOK)
{   if (checkNumber.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if (!isSignedFloat(theField.value, false))
       return warnInvalid (theField, iNumber);
    else return true;
}

//NAB
function checkInteger (theField, emptyOK)
{   if (checkInteger.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if (!isSignedInteger(theField.value, false))
       return warnInvalid (theField, iInteger);
    else return true;
}

//NAB
function checkPositiveInteger (theField, emptyOK)
{   if (checkPositiveInteger.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (theField.value.substring(0,1)=="+")
       sNum = theField.value.substring(1);
    else
       sNum = theField.value;
       
    if (!isInteger(sNum, false))
       return warnInvalid (theField, iPositiveInteger);
    else return true;
}

//NAB
function checkAlphabetic (theField, emptyOK)
{   if (checkAlphabetic.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if (!isAlphabetic(theField.value, false))
       return warnInvalid (theField, iAlphabetic);
    else return true;
}



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;
}

//-----------------------------------------------

// Date of format month/day/year
function checkUSDate (theField, emptyOK) {   

    if (checkUSDate.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    
    if (theField.value==null) return defaultEmptyOK;
     
    sArray = theField.value.split("/")
    
    if ( (sArray.length < 3) || (sArray.length > 3))
        sArray = theField.value.split("-")
    
    if ( (sArray.length < 3) || (sArray.length > 3))
        return warnInvalid (theField, iDate);        
    
    month = sArray[0];
    day = sArray[1];
    year = sArray[2];

    if (isDate(year, month, day))
        return true;
    else
       return warnInvalid (theField, iDate);        
}

// Date of format day/month/year
function checkIntlDate (theField, emptyOK) {   
    if (checkIntlDate.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    
    if (theField.value==null) return defaultEmptyOK;
    
    sArray = theField.value.split("/")
    
    if ( (sArray.length < 3) || (sArray.length > 3))
        sArray = theField.value.split("-")
    
    if ( (sArray.length < 3) || (sArray.length > 3))
        return warnInvalid (theField, iDate);        

    day = sArray[0];
    month = sArray[1];
    year = sArray[2];

    if (isDate(year, month, day))
        return true;
    else
       return warnInvalid (theField, iDate);        
}

// For backward-compatibility
function checkDate(theField, emptyOK) {
    return checkUSDate(theField, emptyOK)
}


function checkCreditCard (theField, emptyOK)
{   if (checkCreditCard.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (!isAnyCard(theField.value))
       return warnInvalid (theField, iCreditCard)
    else return true;
}


function isCreditCard(st) {
  // Encoding only works on cards with less than 19 digits
  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);
}

// For NAB
function checkFields(theForm) {
  clientOK = false;
  returnValue = true;

  if ( (navigator.appName.indexOf("Microsoft")!=-1) && (navigator.appVersion.indexOf("4.")!=-1) ) {
    undef = void 0;
    clientOK = true;
  } else if ( (navigator.appName.indexOf("Netscape")!=-1) && ( (navigator.appVersion.indexOf("4.")!=-1) || (navigator.appVersion.indexOf("3.")!=-1) )) {
    undef = "undefined";
    clientOK = true;
  }

  if (clientOK) {

    for (i=0; i<theForm.elements.length; i++) {
      e = theForm.elements[i]
      if ( ((e.type=="text") || (e.type=="textarea") || (e.type=="password")) && e.required && (e.value=="")) {
        returnValue = false
        break;
      }
    }

    if (!returnValue) {
      alert("Form not submitted - please enter a value for this field")
      e.focus()

    } else {
      for (i=0; i<theForm.elements.length; i++) {
    	e = theForm.elements[i]
    	if ( (e.type=="text") || (e.type=="textarea") || (e.type=="password")) {
          if ( undef != e.onchange ) {
	    returnValue = e.onchange();
	    if (!returnValue)
              break;
	  }
        }
      }
    }
  }
  return returnValue;
}
//this function made by bhavik
function isPhone(txtObj){

var Phoneno=Trim(txtObj.value);
var Phonelen=Phoneno.length;
  var Err=0;
  var array;
  if(!(Phoneno.search("[^0-9()-]")>=0)){
   //regarding - character
   aChar=Phoneno.substring(Phonelen-1,Phonelen);
	if (aChar=="-" ){
	    Err=1;
	  }
	  if (Phoneno.indexOf("-")!=-1){
		 array=Phoneno.split("-");
		if (array.length>2) 
			Err=1;
		if (Phoneno.indexOf("-")==(Phoneno.indexOf(")")+1))
			Err=1;	
	  }
	  	  
	//regarding ()characters  
	if(Phoneno.indexOf("(")>0){
	    Err=1;
	  }
  	if(Phoneno.indexOf("(")!=Phoneno.lastIndexOf("(")){
		Err=1;
	  }
	if(Phoneno.indexOf(")")!=Phoneno.lastIndexOf(")")){
		Err=1;
	  }
	  	  
	if(Phoneno.indexOf("(")!=-1){
		 if(Phoneno.indexOf(")")==-1){
		    Err=1
		 }
		 else 
			if ((Phoneno.indexOf("-")>Phoneno.indexOf("(")) && (Phoneno.indexOf("-")<Phoneno.indexOf(")")))
			Err=1;
	}
	if(Phoneno.indexOf(")")!=-1){
		 if(Phoneno.indexOf("(")==-1){
		 Err=1
		 }	
	}	
	if (Phoneno.indexOf(")")==(Phoneno.indexOf("(")+1)){
		Err=1;
	}
	
	if (Err==1){
	    alert("Please Enter the phone no in proper Format e.g.(123)456-7890");
	    return false;
	}
	
	return true;
/*	for(var i=0;i!=Phonelen;i++)
	{
      aChar=Phoneno.substring(i,i+1);
      if ((aChar<"0" || aChar>"9") && (aChar!="(" ||aChar!=")"||aChar!="-"))
	}*/
	}
	else
	alert("in phone only digits allowed");
	return false;
	

}



//this is for date from rajni
function checkdate(objName) {
var datefield = objName;
if (CheckDate(objName) == false) {
datefield.select();
//alert("This date is invalid.  Please try again.");
datefield.focus();
return false;
}
else {
return true;
   }
}

// This function is for Date Validation from Bhavik with all
// the problems,faced previously solved

function CheckDate(objName){
	
	var strDay,strMonth,strYear;
	var intDay,intMonth,intYear;
	var strDate;
	var MonthType;
	var strSeparatorArray = new Array("-","/",".");
	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	strMonthArray[0] = "JAN";
	strMonthArray[1] = "FEB";
	strMonthArray[2] = "Mar";
	strMonthArray[3] = "Apr";
	strMonthArray[4] = "May";
	strMonthArray[5] = "Jun";
	strMonthArray[6] = "Jul";
	strMonthArray[7] = "Aug";
	strMonthArray[8] = "Sep";
	strMonthArray[9] = "Oct";
	strMonthArray[10] = "Nov";
	strMonthArray[11] = "Dec";
	
	
	strDate = Trim(objName.value);


	if (strDate.length < 1) {
		return true;
	}
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++)
	 {
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
	
			if (strDateArray.length != 3) {
				err = 1;
				continue;
				}
			else{
				strMonth = strDateArray[0];
				strDay = strDateArray[1];
				strYear = strDateArray[2];			
				err = 0;
				break;
			}//If --Else
				
	    }//If
	    err = 1;
	}//For

// If format is not valid then err == 1 
	if (err==1)	{
		
		return false;
	}

	for (var intIndex=0;intIndex<strMonthArray.length;intIndex++)	{
			
			if (strMonth.toUpperCase()==(String(strMonthArray[intIndex]).toUpperCase())){
					
					strMonth=""+(intIndex+1);
				}
		}
	
	if ((isInteger(strDay)==false) || (isInteger(strMonth)==false) || (isInteger(strYear)==false)){
		return false;
	}

	intday = parseInt(strDay, 10);
	intMonth = parseInt(strMonth,10);
	if (strYear.length==2){
		intYear = parseInt(strYear, 10);
		if (intYear>99 || intYear <=00) {
			return false;
		}
	}
	else{
	 	intYear = parseInt(strYear, 10);
		if (intYear>9999 || intYear <999) {
			return false;
		}
	} 
	
	
		
		if (intMonth>12 || intMonth<1) {
			return false;
		}
		if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
			return false;
		}
		if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
			return false;
		}
		if (intMonth == 2) {
			if (intday < 1) {
				return false;
			}
			if (LeapYear(intYear) == true) {
				if (intday > 29) {
					return false;
				}
			}
			else {
			if (intday > 28) {
				return false;
			}
		   }
		}
}

function chkdate(objName) {
var strDatestyle = "US"; //United States date style
var strDate;
var strDateArray;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var booFound = false;
var datefield = objName;
var strSeparatorArray = new Array("-"," ","/",".");
var intElementNr;
var err = 0;
var strMonthArray = new Array(12);
strMonthArray[0] = "Jan";
strMonthArray[1] = "Feb";
strMonthArray[2] = "Mar";
strMonthArray[3] = "Apr";
strMonthArray[4] = "May";
strMonthArray[5] = "Jun";
strMonthArray[6] = "Jul";
strMonthArray[7] = "Aug";
strMonthArray[8] = "Sep";
strMonthArray[9] = "Oct";
strMonthArray[10] = "Nov";
strMonthArray[11] = "Dec";

strDate = datefield.value;

if (strDate.length < 1) {
return true;
}
for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++)
 {
	if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
		strDateArray = strDate.split(strSeparatorArray[intElementNr]);

	if (strDateArray.length != 3) {
		err = 1;
		return false;
		}
	else {
		strDay = strDateArray[0];
		strMonth = strDateArray[1];
		strYear = strDateArray[2];
	}
			booFound = true;
}
}

	
if (booFound == false) {
return false;
}
// US style
if (strDatestyle == "US") {
strTemp = strDay;
strDay = strMonth;
strMonth = strTemp;
}
intday = parseInt(strDay, 10);
if (isNaN(intday)) {
err = 2;
return false;
}
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
for (i = 0;i<12;i++) {
if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
intMonth = i+1;
strMonth = strMonthArray[i];
i = 12;
   }
}
if (isNaN(intMonth)) {
err = 3;
return false;
   }
}
intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
err = 4;
return false;
}
if (intMonth>12 || intMonth<1) {
err = 5;
return false;
}
if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
err = 6;
return false;
}
if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
err = 7;
return false;
}
if (intMonth == 2) {
if (intday < 1) {
err = 8;
return false;
}
if (LeapYear(intYear) == true) {
if (intday > 29) {
err = 9;
return false;
}
}
else {
if (intday > 28) {
err = 10;
return false;
}
}
}
return true;
}
function LeapYear(intYear) {
if (intYear % 100 == 0) {
if (intYear % 400 == 0) { return true; }
}
else {
if ((intYear % 4) == 0) { return true; }
}
return false;
}

function Trim(strInput) {
    /* Check to see if the length of the input string is zero. */
    if(strInput.length == 0) {
        /* If the length is zero, return a zero length sting. */
        return "";
    }
    else {
        /* If the length is greater than zero, find out what the
           last character in the string is */
        strTemp = strInput.substring(strInput.length - 1)
    }

    /* If the last character is a space, trim it from the string */
    while (strTemp == " ") {
        /* Set the input string equal to the input sting, minus the last charater */
        strInput = strInput.substring(0, strInput.length - 1)

        /* Check to see if the string has a zero length again. */
        if (strInput.length == 0) {
            /* If the length is zero, return a zero length sting. */
            strTemp = "";
        }
        else {
            /* If the length is greater than zero, find out what the
               last character in the string is */
            strTemp = strInput.substring(strInput.length - 1)
        }
    }
	
    /* Do the same thing, but for the beginning of the string */
    if (strInput.length == 0) {
        strTemp = "";
    }
    else {
        strTemp = strInput.substring(0, 1)
    }
		
    while (strTemp == " ") {
        strInput = strInput.substring(1)
			
        if (strInput.length == 0) {
            strTemp = "";
        }
        else {
            strTemp = strInput.substring(0, 1)
        }
    }
    return strInput;
}

function TrimAllBlanks(strInput) {
    /* Check to see if the length of the input string is zero. */
    if(strInput.length == 0) {
        /* If the length is zero, return a zero length sting. */
        return "";
    }
    else {
        /* If the length is greater than zero, find out what the
           last character in the string is */
        strTemp = strInput.substring(strInput.length - 1)
    }

    /* If the last character is a space, trim it from the string */
    while (strTemp == " ") {
        /* Set the input string equal to the input sting, minus the last charater */
        strInput = strInput.substring(0, strInput.length - 1)

        /* Check to see if the string has a zero length again. */
        if (strInput.length == 0) {
            /* If the length is zero, return a zero length sting. */
            strTemp = "";
        }
        else {
            /* If the length is greater than zero, find out what the
               last character in the string is */
            strTemp = strInput.substring(strInput.length - 1)
        }
    }
	
    /* Do the same thing, but for the beginning of the string */
    if (strInput.length == 0) {
        strTemp = "";
    }
    else {
        strTemp = strInput.substring(0, 1)
    }
		
    while (strTemp == " ") {
        strInput = strInput.substring(1)
			
        if (strInput.length == 0) {
            strTemp = "";
        }
        else {
            strTemp = strInput.substring(0, 1)
        }
    }
    var len=strInput.length
    var str=strInput
    strInput=""
    for (var i=0;i<len;i++){
		strTemp = str.substring(i, i+1)

		if (strTemp!=" "){
			strInput=strInput+str.substring(i, i+1) 
			
		}	
    }
    return strInput;
}