//=================================================================================================
// FormChek.JS
// VARIABLE DECLARATIONS
//=================================================================================================
var digits = "0123456789";

var lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"

var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

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

// decimal point character differs by language and culture
var decimalPointDelimiter = "."

// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";

// non-digit characters which are alowed in salaries
var validSalaryChars = digits + decimalPointDelimiter; 

// characters which are allowed in North American phone numbers
var validUSPhoneChars = digits + phoneNumberDelimiters;

// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = digits + phoneNumberDelimiters + "+";

// non-digit characters which are allowed in 
// Social Security Numbers
var SSNDelimiters = "- ";

// characters which are allowed in Social Security Numbers
var validSSNChars = digits + SSNDelimiters;

// U.S. Social Security Numbers have 9 digits.
// They are formatted as 123-45-6789.
var digitsInSocialSecurityNumber = 9;

// U.S. phone numbers have 10 digits.
// They are formatted as 123 456 7890 or (123) 456-7890.
var digitsInUSPhoneNumber = 10;

// non-digit characters which are allowed in ZIP Codes
var ZIPCodeDelimiters = "-";

// our preferred delimiter for reformatting ZIP Codes
var ZIPCodeDelimeter = "-"

// characters which are allowed in Social Security Numbers
var validZIPCodeChars = digits + ZIPCodeDelimiters

// U.S. ZIP codes have 5 or 9 digits.
// They are formatted as 12345 or 12345-6789.
var digitsInZIPCode1 = 5
var digitsInZIPCode2 = 9
var digitsInZipCode3 = 4

// CONSTANT STRING DECLARATIONS
// (grouped for ease of translation and localization)
// m is an abbreviation for "missing"

var mPrefix = "You did not make an entry into the "
var mSuffix = " field. This is a required entry. Please enter it now."

// s is an abbreviation for "string"
var sUSLastName = "Last Name"
var sProducerName = "Producer_FullName"
var sPrimaryContact = "Producer_Contact"
var sMarketingRep = "D1"
var sUSFirstName = "First Name"
var sWorldLastName = "Family Name"
var sWorldFirstName = "Given Name"
var sTitle = "Title"
var sCompanyName = "Company Name"
var sUSAddress = "Producer_StreetAddress"
var sWorldAddress = "Address"
var sAddressExt = "Producer_Address2"
var sCity = "Producer_City"
var sStateCode = "D2"
var sWorldState = "State, Province, or Prefecture"
var sCountry = "Country"
var sZIPCode = "Producer_ZipCode"
var sWorldPostalCode = "Postal Code"
var sPhone = "Producer_Phone"
var sFax = "Producer_Fax"
var sDateOfBirth = "Date of Birth"
var sExpirationDate = "Expiration Date"
var sEmail = "Email"
var sSSN = "Social Security Number"
var sOtherInfo = "Other Information"

// i is an abbreviation for "invalid"
var iStateCode = "This field must be a valid two character U.S. state abbreviation (like CA for California). Please re-enter it now."
var iZIPCode = "This field must be a 5 digit U.S. ZIP Code (like 94043)."
var iZIPCodeExt = "This field must be a 4 digit U.S. ZIP Code (like 9404)."
var iUSPhone = "This field must be a 10 digit phone number (like 415 555 1212). Please re-enter it now."
var iUSFax = "This field must be a 10 digit U.S. fax number (like 415 555 1212). Please re-enter it now."
var iWorldPhone = "This field must be a valid international phone number. Please re-enter it now."
var iSSN = "This field must be a 9 digit U.S. social security number (like 123-45-6789)."
var iFEIN = "This field must be a 9 digit U.S. Federal Employer's Identification Number (like 12-3456789)."
var iEmail = "This field must be a valid email address (like foo@bar.com). Please re-enter it now."
var iList = "Please make another selection from the list."
var iPrefix = "Invalid entry. " 
var iSuffix = ".  Please re-enter it now."
var iNumber = "Invalid entry, Only numbers are allowed! Please re-enter."
var iSalary = "Invalid Salary/Wage entry, Only numbers and decimal points are allowed! Please re-enter."
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 4 digit year number that is greater than 1900."
var iDatePrefix = "The Day, Month, and Year for "
var iDateSuffix = " do not form a valid date.  Please re-enter it now."
var iReqPrefix = " is a required entry.  "
var iReqSuffix = ".  Please enter it now."
 
// p is an abbreviation for "prompt"
var pEntryPrompt = "Please enter a "
var pSelectPrompt = "Please select 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 pUSFax = "10 digit U.S. fax 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)."

// Global variable defaultEmptyOK defines default return value 
// for many functions when they are passed the empty string. 
// By default, they will return defaultEmptyOK.
var defaultEmptyOK = false

// Valid U.S. Postal Codes for states, territories, armed forces, etc.
// See http://www.usps.gov/ncsc/lookups/abbr_state.txt.
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"

//=================================================================================================
// Check whether string s is empty.
//=================================================================================================
function isEmpty(s){   
	return ((s == null) || (s.length == 0))
}
//=================================================================================================
// Returns true if string s is empty or 
// whitespace characters only.
//=================================================================================================
function isWhitespace(s){
   	var i;

    // Is s empty?
    if (isEmpty(s)) return true;

    // Search through string's characters one by one
    // until we find a non-whitespace character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);

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

    // All characters are whitespace.
    return true;
}
//=================================================================================================
// Removes all characters which appear in string bag from string s.
//=================================================================================================
function stripCharsInBag (s, bag)
{   var i;
    var returnString = "";

    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }

    return returnString;
}
//=================================================================================================
// Removes all characters which do NOT appear in string bag 
// from string s.
//=================================================================================================
function stripCharsNotInBag (s, bag)
{   var i;
    var returnString = "";

    // Search through string's characters one by one.
    // If character is in bag, append to returnString.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) != -1) returnString += c;
    }

    return returnString;
}
//=================================================================================================
// Removes all whitespace characters from s.
// Global variable whitespace (see above)
// defines which characters are considered whitespace.
//=================================================================================================
function stripWhitespace (s)
{   return stripCharsInBag (s, whitespace)
}
//=================================================================================================
// Removes initial (leading) whitespace characters from s.
// Global variable whitespace (see above)
// defines which characters are considered whitespace.
//=================================================================================================
function stripInitialWhitespace (s)
{   var i = 0;

    while ((i < s.length) && charInString (s.charAt(i), whitespace))
       i++;
    
    return s.substring (i, s.length);
}
//=================================================================================================
// Returns true if character c is an English letter 
// (A .. Z, a..z).
//
// NOTE: Need i18n version to support European characters.
// This could be tricky due to different character
// sets and orderings for various languages and platforms.
//=================================================================================================
function isLetter (c)
{   return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}
//=================================================================================================
// Returns true if character c is a digit 
// (0 .. 9).
//=================================================================================================
function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

//=================================================================================================
// isFloat (STRING s [, BOOLEAN emptyOK])
// 
// True if string s is an unsigned floating point (real) number. 
//
// Also returns true for unsigned integers. If you wish
// to distinguish between integers and floating point numbers,
// first call isInteger, then call isFloat.
//
// Does not accept exponential notation.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
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;

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

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

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

    // All characters are numbers.
    return true;
}

//=================================================================================================
// Returns true if character c is a letter or digit.
//=================================================================================================
function isLetterOrDigit (c)
{   return (isLetter(c) || isDigit(c))
}
//=================================================================================================
// isInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if all characters in string s are numbers.
//
// Accepts non-signed integers only. Does not accept floating 
// point, exponential notation, etc.
//
// We don't use parseInt because that would accept a string
// with trailing non-numeric characters.
//
// By default, returns defaultEmptyOK if s is empty.
// There is an optional second argument called emptyOK.
// emptyOK is used to override for a single function call
//      the default behavior which is specified globally by
//      defaultEmptyOK.
// If emptyOK is false (or any value other than true), 
//      the function will return false if s is empty.
// If emptyOK is true, the function will return true if s is empty.
//
// EXAMPLE FUNCTION CALL:     RESULT:
// isInteger ("5")            true 
// isInteger ("")             defaultEmptyOK
// isInteger ("-5")           false
// isInteger ("", true)       true
// isInteger ("", false)      false
// isInteger ("5", false)     true
//=================================================================================================
function isInteger (s)
{   var i;

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

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

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

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

    // All characters are numbers.
    return true;
}
//=================================================================================================
// isSignedInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if all characters are numbers; 
// first character is allowed to be + or - as well.
//
// Does not accept floating point, exponential notation, etc.
//
// We don't use parseInt because that would accept a string
// with trailing non-numeric characters.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//
// EXAMPLE FUNCTION CALL:          RESULT:
// isSignedInteger ("5")           true 
// isSignedInteger ("")            defaultEmptyOK
// isSignedInteger ("-5")          true
// isSignedInteger ("+5")          true
// isSignedInteger ("", false)     false
// isSignedInteger ("", true)      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];

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

//=================================================================================================
// isPositiveInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is an integer > 0.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isPositiveInteger (s)
{   var secondArg = defaultEmptyOK;

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

    // The next line is a bit byzantine.  What it means is:
    // a) s must be a signed integer, AND
    // b) one of the following must be true:
    //    i)  s is empty and we are supposed to return true for
    //        empty strings
    //    ii) this is a positive, not negative, number

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) > 0) ) );
}
//=================================================================================================
// isNonnegativeInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is an integer >= 0.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isNonnegativeInteger (s)
{   var secondArg = defaultEmptyOK;

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

    // The next line is a bit byzantine.  What it means is:
    // a) s must be a signed integer, AND
    // b) one of the following must be true:
    //    i)  s is empty and we are supposed to return true for
    //        empty strings
    //    ii) this is a number >= 0

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
}
//=================================================================================================
// isNegativeInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is an integer < 0.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isNegativeInteger (s)
{   var secondArg = defaultEmptyOK;

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

    // The next line is a bit byzantine.  What it means is:
    // a) s must be a signed integer, AND
    // b) one of the following must be true:
    //    i)  s is empty and we are supposed to return true for
    //        empty strings
    //    ii) this is a negative, not positive, number

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) < 0) ) );
}
//=================================================================================================
// isNonpositiveInteger (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is an integer <= 0.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isNonpositiveInteger (s)
{   var secondArg = defaultEmptyOK;

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

    // The next line is a bit byzantine.  What it means is:
    // a) s must be a signed integer, AND
    // b) one of the following must be true:
    //    i)  s is empty and we are supposed to return true for
    //        empty strings
    //    ii) this is a number <= 0

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

//=================================================================================================
// isAlphabetic (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is English letters 
// (A .. Z, a..z) only.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//
// NOTE: Need i18n version to support European characters.
// This could be tricky due to different character
// sets and orderings for various languages and platforms.
//=================================================================================================
function isAlphabetic (s)
{   var i;

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

    // Search through string's characters one by one
    // until we find a non-alphabetic character.
    // When we do, return false; if we don't, return 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;
}

//=================================================================================================
// isAlphanumeric (STRING s [, BOOLEAN emptyOK])
// 
// Returns true if string s is English letters 
// (A .. Z, a..z) and numbers only.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//
// NOTE: Need i18n version to support European characters.
// This could be tricky due to different character
// sets and orderings for various languages and platforms.
//=================================================================================================
function isAlphanumeric (s)
{   var i;

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

    // Search through string's characters one by one
    // until we find a non-alphanumeric character.
    // When we do, return false; if we don't, return true.

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

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

    // All characters are numbers or letters.
    return true;
}

//=================================================================================================
// reformat (TARGETSTRING, STRING, INTEGER, STRING, INTEGER ... )       
//
// Handy function for arbitrarily inserting formatting characters
// or delimiters of various kinds within TARGETSTRING.
//=================================================================================================
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;
}

//=================================================================================================
// isSSN (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
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)
}

//=================================================================================================
// isUSPhoneNumber (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
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)
}

//=================================================================================================
// isZIPCode (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
function isZIPCode (s)
{  if (isEmpty(s)) 
       if (isZIPCode.arguments.length == 1) return defaultEmptyOK;
       else return (isZIPCode.arguments[1] == true);
	
	if( s - 0 == 0)
		return false;
		
   return (isInteger(s) && 
            ((s.length == digitsInZIPCode1) ||
             (s.length == digitsInZIPCode2)))
}
//=================================================================================================
// isZIPCodeExt (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
function isZIPCodeExt (s)
{  	if (isEmpty(s)) 
       if (isZIPCodeExt.arguments.length == 1) return defaultEmptyOK;
       else return (isZIPCodeExt.arguments[1] == true);
	
	if( s - 0 == 0)
		return false;
		       
   	return (isInteger(s) && (s.length == 4) )
}

//=================================================================================================
// isStateCode (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
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) )
}

//=================================================================================================
// isEmail (STRING s [, BOOLEAN emptyOK])
//=================================================================================================
function isEmail (s)
{      
    // is s whitespace?
    if (isWhitespace(s)) return false;
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

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

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

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

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}


// FUNCTIONS TO NOTIFY USER OF INPUT REQUIREMENTS OR MISTAKES. */

//=================================================================================================
// Display prompt string s in status bar.
//=================================================================================================
function prompt (s)
{   window.status = s
}

//=================================================================================================
// Display data entry prompt string s in status bar.
//=================================================================================================
function promptEntry (s)
{   window.status = pEntryPrompt + s
}
//=================================================================================================

//=================================================================================================
function promptSelect (s)
{   window.status = pSelectPrompt + s
}

//=================================================================================================
// Notify user that required field theField is empty.
//=================================================================================================
function warnEmpty (theField, s)
{   
    alert(mPrefix + "\"" + s + "\"" + mSuffix)
    theField.focus()
    return false
}


//=================================================================================================
// Notify user that contents of field theField are invalid.
//=================================================================================================
function warnInvalid (theField, s)
{  
    //alert("theField.name = " + theField.name)
    alert(iPrefix  + "\"" + s + "\"" + iSuffix)
    theField.focus()
    theField.select()
    return false
}

//=================================================================================================
//* FUNCTIONS TO INTERACTIVELY CHECK VARIOUS FIELDS. */
//=================================================================================================
function checkString (theField, s, emptyOK)
{   // Next line is needed on NN3 to avoid "undefined is not a number" error
    // in equality comparison below.
    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 checkPhoneArea_Prefix (theField, s, emptyOK)
{   
    if (checkPhoneArea_Prefix.arguments.length == 2) emptyOK = defaultEmptyOK;
    if (emptyOK == true) return true;

    if (isWhitespace(theField.value))
	{  
       	return warnEmpty (theField, s)
	}
    if(!isInteger(theField.value))
	{
	  	return warnInvalid (theField, s)
	}
    if(theField.value.length < 3)
	{
	  	return warnInvalid (theField, s)
	}
    else 
	{
	  	return true;
	}   
} 
//=================================================================================================
//=================================================================================================
function checkPhoneSuffix (theField, s, emptyOK)
{   
    if (checkPhoneSuffix.arguments.length == 2) emptyOK = defaultEmptyOK;
    if (emptyOK == true) return true;

    if (isWhitespace(theField.value))
	  {  
       return warnEmpty (theField, s)
     }
    if(!isInteger(theField.value))
     {
       return warnInvalid (theField, s)
     }
    if(theField.value.length < 4)
     {
       return warnInvalid (theField, s)
     }
    else 
     {
       return true;
     }
} 
//=================================================================================================
//=================================================================================================
function checkRadio (theField, s, emptyOK)
{
  	for (i = 0;  i < theField.length;  i++)
    	if (theField[i].checked)
       		return true;

  	alert(mPrefix + "\"" + s + "\"" + mSuffix);
  	theField[0].focus()
  	return false;
}
//=================================================================================================
//=================================================================================================
function checkNum (theField, emptyOK, s)
{
    if(checkNum.arguments.length == 1) 
    	emptyOK = defaultEmptyOK;

    if(isWhitespace(theField.value)) {
		if (emptyOK) { 
			return true  
		}else{ 
			return warnEmpty(theField, s) 
		} 
    }
 
    if(!isInteger(theField.value)){      
      	alert(iNumber)
      	theField.focus()
      	theField.select()
      	return false;
    }else {
        return true;
    }
}
//=================================================================================================
//=================================================================================================
function checkSalary (theField, s, emptyOK){
    if(checkSalary.arguments.length == 2) 
    	emptyOK = defaultEmptyOK;    
     
    if(isWhitespace(theField.value)) {
    	if(emptyOK == true)      
    		return true;	
    		
        alert(mPrefix + "\"" + s + "\"" + mSuffix)
        theField.focus()
        theField.select()
        return false
    }
     
    if(!isFloat(theField.value)){
      	alert("Invalid entry for " + "\"" + s + "\"" + " Please re-enter it!")
      	theField.focus()
      	theField.select()
      	return false
    }else{
      	return true;
    }    
}
//=================================================================================================
//=================================================================================================
function checkFloat (theField, s, emptyOk)
{
    if(checkFloat.arguments.length == 2) emptyOK = defaultEmptyOK;
      
    if(isWhitespace(theField.value)) {
		if(emptyOK) { return true  }
		else 	    { return warnEmpty(theField, "") } 
    }      
 
    if(!isFloat(theField.value)){
      	alert(iSalary)
      	theField.focus()
      	theField.select()
      	return false
    }else{
       	return true;
    }    
}

//=================================================================================================
// Attempting to make this library run on Navigator 2.0,
// so I'm supplying this array creation routine as per
// JavaScript 1.0 documentation.  If you're using 
// Navigator 3.0 or later, you don't need to do this;
// you can use the Array constructor instead.
//=================================================================================================
function makeArray(n) {
//*** BUG: If I put this line in, I get two error messages:
//(1) Window.length can't be set by assignment
//(2) daysInMonth has no property indexed by 4
//If I leave it out, the code works fine.
//   this.length = 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;
//=================================================================================================
//=================================================================================================
function inRange(inputstr, lo, hi)
{
   var num = parseInt(inputstr, 10)
   if (num < lo || num > hi)
   {
    return false
   }
	return true
}

//=================================================================================================
// isIntegerInRange (STRING s, INTEGER a, INTEGER b [, BOOLEAN emptyOK])
// 
// isIntegerInRange returns true if string s is an integer 
// within the range of integer arguments a and b, inclusive.
// 
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isIntegerInRange (s, a, b)
{   if (isEmpty(s)) 
       if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
       else return (isIntegerInRange.arguments[1] == true);

    // Catch non-integer strings to avoid creating a NaN below,
    // which isn't available on JavaScript 1.0 for Windows.
    if (!isInteger(s, false)) return false;

    // Now, explicitly change the type to integer via parseInt
    // so that the comparison code below will work both on 
    // JavaScript 1.2 (which typechecks in equality comparisons)
    // and JavaScript 1.1 and before (which doesn't).
    var num = parseInt (s,10);
    return ((num >= a) && (num <= b));
}

//=================================================================================================
// isMonth (STRING s [, BOOLEAN emptyOK])
// 
// isMonth returns true if string s is a valid 
// month number between 1 and 12.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isMonth (s)
{   if (isEmpty(s)) 
       if (isMonth.arguments.length == 1) return defaultEmptyOK;
       else return (isMonth.arguments[1] == true);
    return isIntegerInRange (s, 1, 12);
}

//=================================================================================================
// isDay (STRING s [, BOOLEAN emptyOK])
// 
// isDay returns true if string s is a valid 
// day number between 1 and 31.
// 
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function isDay (s)
{   if (isEmpty(s)) 
       if (isDay.arguments.length == 1) return defaultEmptyOK;
       else return (isDay.arguments[1] == true);   
    return isIntegerInRange (s, 1, 31);
}
//=================================================================================================
// isYear (STRING s [, BOOLEAN emptyOK])
// 
// isYear returns true if string s is a valid 
// Year number.  Must be 2 or 4 digits only.
// 
// For Year 2000 compliance, you are advised
// to use 4-digit year numbers everywhere.
//
// And yes, this function is not Year 10000 compliant, but 
// because I am giving you 8003 years of advance notice,
// I don't feel very guilty about this ...
//
// For B.C. compliance, write your own function. ;->
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
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 == 4);
}
//=================================================================================================
// daysInFebruary (INTEGER year)
// 
// Given integer argument year,
// returns number of days in February of that year.
//=================================================================================================
function daysInFebruary (year)
{   // February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (  ((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0) ) ) ? 29 : 28 );
}

//=================================================================================================
// isDate (STRING month, STRING day, STRING year)
//
// isDate returns true if string arguments month, day, and year
// form a valid date.
// 
//=================================================================================================
function isDate (month, day, year)
{   // catch invalid years (not 2- or 4-digit) and invalid months and days.
    if (! (isMonth(month, false) && isDay(day, false) && isYear(year, false))) return false;

    // Explicitly change type to integer to make code work in both
    // JavaScript 1.1 and JavaScript 1.2.
    var intMonth = parseInt(month);
    var intDay = parseInt(day);
    var intYear = parseInt(year);

    // catch invalid days, except for February
    if (intDay > daysInMonth[intMonth]) return false; 

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

    return true;
}
//=================================================================================================
// Check that string theField.value is a valid Year.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
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;
}

//=================================================================================================
// Check that string theField.value is a valid Month.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
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;
}

//=================================================================================================
// Check that string theField.value is a valid Day.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
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;
}

//=================================================================================================
// checkDate (monthField, dayField, yearField, STRING labelString [,emptyOK][, OKtoOmitDay==false])
//
// Check that monthField.value, dayField.value, and yearField.value 
// form a valid date.
//
// If they don't, labelString (the name of the date, like "Birth Date")
// is displayed to tell the user which date field is invalid.
//
// If it is OK for the day field to be empty, set optional argument
// OKtoOmitDay to true.  It defaults to false.
//=================================================================================================
function checkDate (monthField, dayField, yearField, labelString, emptyOK)
{   // Next line is needed on NN3 to avoid "undefined is not a number" error
    // in equality comparison below.
      
    if (checkDate.arguments.length == 4) emptyOK = defaultEmptyOK;

    if (!emptyOK && isWhitespace(monthField.value) ){
    	return warnEmpty(monthField, labelString);
    	return (false);
    }else if(!isWhitespace(monthField.value) && !isMonth(monthField.value)) {     	
        monthField.focus()   
        alert (iMonth)     
        monthField.select()
        return false;
    }

    if(!emptyOK && isWhitespace(dayField.value) ){
       	return warnEmpty(dayField, labelString);
       	return false ;
    }else if(!isWhitespace(dayField.value) && !isDay(dayField.value)){          
        dayField.focus()        
        alert (iDay)
        dayField.select()
        return false;
    }     
    
    if(!emptyOK && isWhitespace(yearField.value) ){
       	return warnEmpty(yearField, labelString);
       	return (false);
    }else if(!isWhitespace(yearField.value) && !isYear(yearField.value)) {           
        yearField.focus()    
        alert (iYear)    
        yearField.select()
        return false;
    }
 
 	var wrkfield = monthField.value + dayField.value + yearField.value
    if(!isWhitespace(wrkfield) && !isDate(monthField.value, dayField.value, yearField.value) ){  
     	alert(iDatePrefix + labelString + iDateSuffix)
     	monthField.focus()
     	monthField.select()
     	return false;
    }
    return true;
}



function checkDateValue (dateField, labelString, emptyOK)
{   // Next line is needed on NN3 to avoid "undefined is not a number" error
    // in equality comparison below.

    
    if (checkDateValue.arguments.length == 2) emptyOK = defaultEmptyOK;
    if (emptyOK == true) return true;


    dateValue =	dateField.value
    monthValue = dateValue.substr(0,2);
    dayValue = dateValue.substr(3,2);
    yearValue = dateValue.substr(6,4);    
    msg = ""


    if ((monthValue == "") || (dayValue == "") || (yearValue == ""))
    {
        return warnEmpty(dateField, labelString);
    	return (false);
    }

    if (!isMonth(monthValue)) 
    { 
        msg = iMonth
    }else if (!isDay(dayValue))
    {  
        msg = iDay
    }else if(!isYear(yearValue))
    {  
        msg = iYear
    }else if (!isDate (monthValue, dayValue, yearValue))
    {  
     	msg = iDatePrefix + labelString + iDateSuffix
    }   

    if (msg != "") 
    {    
        alert (msg)
        dateField.focus()
        dateField.select()
        return false;
    }
 
     return true;
}



//=================================================================================================
//=================================================================================================  
function checkSuffix (theField, s, emptyOK)
{   
    if (checkSuffix.arguments.length == 4) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
   
    if (isWhitespace(theField.value))
	  {  
       return warnEmpty (theField, s)
     }
    else if(!isInteger(theField.value, false))
     {
       return warnInvalid (theField, s)
     }
    else 
     {
       return true;
     }    
}
//=================================================================================================
//=================================================================================================
function checkList (theField, emptyOK, s)
{   if (checkList.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
   

    if (theField.selectedIndex == 0)
     {
      alert("\"" + s + "\"" + iReqPrefix + iList)
      theField.focus()
      return false
     }
     else
    {
      return (true);
    } 
}
//=================================================================================================
//=================================================================================================
function reformatSSN (SSN)
{   return (reformat (SSN, "", 3, "-", 2, "-", 4))
}
//=================================================================================================
//=================================================================================================
function reformatFEIN (FEIN)
{   return (reformat (FEIN, "", 2, "-", 7))
}

//=================================================================================================
// Check that string theField.value is a valid FEIN.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function checkFEIN (theField, emptyOK, s)
{   if (checkFEIN.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
       
    if (isWhitespace(theField.value))
	   {  
       return warnEmpty (theField, s)
      }
   
   {  var normalizedFIEN = stripCharsInBag(theField.value, SSNDelimiters)
       if (!isSSN(normalizedFIEN, false)) 
          return warnInvalid (theField, iFEIN);
          
       else 
       {  // if you don't want to reformats as 123-456-7890, comment next line out
          theField.value = reformatFEIN(normalizedFIEN)
          return true;
       }
    }
}

//=================================================================================================
// Check that string theField.value is a valid SSN.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//=================================================================================================
function checkSSN (theField, emptyOK, s)
{   if (checkSSN.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
       
    if (isWhitespace(theField.value))
	   {  
       return warnEmpty (theField, s)
      }
   
   {  var normalizedSSN = stripCharsInBag(theField.value, SSNDelimiters)
       	if (!isSSN(normalizedSSN, false)){           	
          	return warnInvalid (theField, iSSN)          	
		}
          
       else 
       {  // if you don't want to reformats as 123-456-7890, comment next line out
          theField.value = reformatSSN(normalizedSSN)
          return true;
       }
    } 
}

//=================================================================================================
//=================================================================================================
function checkStateCode (theField, emptyOK, s)
{   if(checkStateCode.arguments.length == 1) emptyOK = defaultEmptyOK;
    if(emptyOK == true && theField.selectedIndex == 0) return true;
   
    if(theField.selectedIndex == 0){
      	alert( "\"" + s + "\"" + iReqPrefix + iList)
      	theField.focus()
      	return false
    }else{
      	return true;
    } 
}

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

//=================================================================================================
//=================================================================================================
function checkZIPCode (theField, emptyOK, s)
{   if (checkZIPCode.arguments.length == 1) emptyOK = defaultEmptyOK;
   if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
     
   if (isWhitespace(theField.value)) return warnEmpty(theField, s);
    { var normalizedZIP = stripCharsInBag(theField.value, ZIPCodeDelimiters)

      if (!isZIPCode(normalizedZIP, false))
          
         return warnInvalid(theField, s);
         
      else 
      {  // if you don't want to insert a hyphen, comment next line out
         //theField.value = reformatZIPCode(normalizedZIP)
         return true;
      }
    }
       
}
//=================================================================================================
//		jz 03/06/2003
//=================================================================================================
function checkTextareaLength(thisField, length, s, emptyOK){
 	if( checkTextareaLength.arguments.length == 1 ){
 	 	emptyOK = defaultEmptyOK;
	} 	 
   	if( emptyOK == true && isEmpty(theField.value) ){
   	 	return true;
	}else{	
		if(thisField.value.toString().length > length){
			thisField.value = thisField.value.substring(0,length);
			s = "\"" + s + "\"" + " is limited to " + length + " characters, please adjust your entry."
			alert(s);
			thisField.focus();
			return false;
		}
		return true;	
	}
}
//=================================================================================================
//=================================================================================================
function checkZIPCodeExt (theField, emptyOK)
{   if (checkZIPCodeExt.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else
    { var normalizedZIP = stripCharsInBag(theField.value, ZIPCodeDelimiters)
      if (!isZIPCodeExt(normalizedZIP, false)) 
         return warnInvalid (theField, iZIPCodeExt);
      else 
      {  // if you don't want to insert a hyphen, comment next line out
         //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 
       {  // if you don't want to reformat as (123) 456-789, comment next line out
          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;
    }
}
/*======================================================================
        check if the input is number JZ 07/19/2001
========================================================================*/
function isNumber(s){
   var number = "1234567890";
   for(var idx = 0; idx<s.length; idx++)
   {   if(number.indexOf(s.charAt(idx)) ==  -1)
          return false;    
   }
   return true;
}

/*======================================================================
        check if the input is number JZ 07/19/2001
========================================================================*/
function radioValue(theField){
	for ( var i=0; i< theField.length; i++ ) {
		if (theField[i].checked) {
			return theField[i].value;
		}
	}
	return "";
}