<!--
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 mPrefix="Please enter your "
var mSuffix="";

var sName = "Name";
var sBusiness = "Business";
var sUSAddress2 = "Address 2";
var sCompany = "Company";
var sComments = "Comments";
var sYourName = "Your Name";
var sFriendName = "Your Friends Name";

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 = "Address";
var sWorldAddress = "Address";
var sCity = "City";
var sStateCode = "State";
var sWorldState = "State, Province, or Prefecture";
var sCountry = "Country";
var sZIPCode = "Zip";
var sWorldPostalCode = "Postal Code";
var sPhone = "Phone";
var sFax = "Fax";
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 AZ for Arizona)." ;
var iZIPCode = "This field must be a 5 or 9 digit U.S. ZIP Code (like 85016).";
var iUSPhone = "This field must be a 10 digit U.S. phone number (like 602 264 5455).";
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 = "Please enter valid email address (example:email@server.extension).";
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.).";
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 AZ).";
var pZIPCode = "5 or 9 digit U.S. Zip Code (like 85016).";
var pUSPhone = "10 digit U.S. phone number (like 602 264 5455).";
var pWorldPhone = "international phone number.";
var pSSN = "9 digit U.S. social security number (like 123 45 6789).";
var pEmail = "valid email address (like email@server.ext).";
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;

var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {
var keyCode = (isNN) ? e.which : e.keyCode; 
var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
if(input.value.length >= len && !containsElement(filter,keyCode)) {
input.value = input.value.slice(0, len);
input.form[(getIndex(input)+1) % input.form.length].focus();
}
function containsElement(arr, ele) {
var found = false, index = 0;
while(!found && index < arr.length)
if(arr[index] == ele)
found = true;
else
index++;
return found;
}
function getIndex(input) {
var index = -1, i = 0, found = false;
while (i < input.form.length && index == -1)
if (input.form[i] == input)index = i;
else i++;
return index;
}
return true;
}


function focus(i, j) {
  document.forms[i].elements[j].focus();
}

function trim(form, i) {
  var trim = trimStr(form.elements[i].value);
  form.elements[i].value = trim;
}

function trimStr(urstr) {
  var i = 0;
  var j = 0;

  for (i=0; i<urstr.length; i++) {
    if (urstr.charAt(i) != " ") {
       for (j=urstr.length - 1; j > i; j--) {
         if (urstr.charAt(j) != " ")
           break;
       }
       break;
    }
  }
  if (i > j)
    i = j;
  if (urstr.length > 0 && urstr.charAt(j) != " ")
    j++;
  return urstr.substring(i, j);
}

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 = year;
  var intMonth = month;
  var intDay = 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 isEqual(s1,field1,s2,field2) 
{
	if (field1!=field2)
	{
		alert(s1 +" should be equal to "+s2);
		return false;
	}
	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 checkUSPhone_fields (areacode,phone1,phone2,emptyOK) {
  if (checkUSPhone_fields.arguments.length == 3) emptyOK = defaultEmptyOK;
  if (emptyOK == true)  return true;
  else {
  		if (!checkString(areacode,"area code",false) || !checkString(phone1,"phone",false) || !checkString(phone2,"phone",false))
		{
			return false;
		}
		else
		{
		  	var phone_number=areacode.value+"-"+phone1.value+"-"+phone2.value;
   			var normalizedPhone = stripCharsInBag(phone_number, phoneNumberDelimiters);
   		 	if (!isUSPhoneNumber(normalizedPhone, false)) {
   	   		alert ("Phone number is not valid. Please check the number");
		 	 areacode.focus()
			return false;
			}
    		else {
      		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 checkDateString (date_str, labelString,OKtoOmitDay) {
	if (checkDateString.arguments.length == 2) OKtoOmitDay = false;
  	if (!checkString(date_str,labelString,false))
  	{
		return false;
	}
	else
	{
		if (date_str.value.length > 4)
  		{
			var dt_tokens=date_str.value.split("/");
			if (dt_tokens.length != 3 )
			{
			   	alert ("Please enter a valid "+labelString+" (mm/dd/yyyy)");
				return false;
			}
			else
			{
				//dt_tokens[0]=parseInt(dt_tokens[0],10);
				//dt_tokens[1]=parseInt(dt_tokens[1],10);
				//dt_tokens[2]=parseInt(dt_tokens[2],10);
		
				if (!isMonth(dt_tokens[0]) || (!isDay(dt_tokens[1]) || !isYear(dt_tokens[2]))) 
				{	
 				  	alert (iDatePrefix + labelString + iDateSuffix);
					return false;
				}
				else
				{
					return true;
				}
			}
		}
		else
		{
			if (date_str.value.length < 4)
			{
			   	alert ("Please enter a valid "+labelString+" (mmyy)");
				return false;
			}
			else
			{
				var mm=date_str.value.substr(0,2);
				var yy=date_str.value.substr(2,2);
				if (!isMonth(mm)) return warnInvalid (date_str, iMonth);
			 	if (!isYear(yy)) return warnInvalid (date_str, iYear);
				return true;
			}
		}
  	}
	return true;
}

function compareDate(small_dt,big_dt,return_val,compareToday)
{
  if (compareDate.arguments.length == 3) compareToday = false;
	if ( !checkDateString(small_dt, small_dt.name, false) || !checkDateString(big_dt, big_dt.name, false) )
	{
		return false;
	}
	else
	{
		aDate= 	small_dt.value.split("/");
		bDate=	big_dt.value.split("/");
		smallDate=new Date(aDate[2],aDate[0]-1,aDate[1]);
		bigDate=new Date(bDate[2],bDate[0]-1,bDate[1]);
		var today = new Date();
		var current_date= new Date(today.getYear(),today.getMonth(),today.getDate())
		if (compareToday==true)
		{
			if (smallDate<current_date)
			{
				alert (small_dt.name +" is of past. Please select "+small_dt.name+" that is not in the past ");
				small_dt.focus();
				return return_val;
			}
		}				

		if ((aDate[2].toString()).length!=(bDate[2].toString()).length)
		{
			alert ("Please check the date formats.Both the dates should be of same format.");
			small_dt.focus();
			return return_val;
		}


		if (smallDate>bigDate)
		{
			alert (small_dt.name +" is greater then "+ big_dt.name+" Please check the values.");
			small_dt.focus();
			return return_val;
		}
		return true;
	}
	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 checkCreditCard_dropdown (dropdown, theField) {
  var cardType=dropdown.options[dropdown.selectedIndex].value;
  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);
}
//-->