// user-modifiable flags:
var USDate = "1";
var USPhone = "1";
// end of user-modifiable flags


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 digitsInLocalUSPhoneNumber = 7;
var ZIPCodeDelimiters = "-";
var ZIPCodeDelimeter = "-"
var validZIPCodeChars = digits + ZIPCodeDelimiters
var digitsInZIPCode1 = 5
var digitsInZIPCode2 = 9
var creditCardDelimiters = " "
var defaultEmptyOK = false

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

var daysInMonth = makeArray(30);
daysInMonth[11] = 31;
daysInMonth[12] = 29;   // must programmatically check this
daysInMonth[13] = 31;
daysInMonth[14] = 30;
daysInMonth[15] = 31;
daysInMonth[16] = 30;
daysInMonth[17] = 31;
daysInMonth[18] = 31;
daysInMonth[19] = 30;
daysInMonth[20] = 31;
daysInMonth[21] = 30;
daysInMonth[22] = 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];

        // skip leading + or -
        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, 10) > 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, 10) >= 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, 10) < 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, 10) <= 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++)
    {   
        // 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;
}

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++)
    {   
        // 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;
}


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 || s.length == digitsInLocalUSPhoneNumber))
}

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);
   
    // is s whitespace?
    if (isWhitespace(s)) return false;
    
    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;
}

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, 10);
    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)
{   // 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 );
}

function isDate (year, month, day)
{   // catch invalid years (not 2- or 4-digit) and invalid months and days.
    if (! (isYear(year, false) && isMonth(month, false) && isDay(day, false))) return false;

    var intYear = parseInt(year, 10);
    var intMonth = parseInt(month, 10);
    var intDay = parseInt(day, 10);

    // catch invalid days, except for February
    if (intDay > daysInMonth[intMonth+10]) return false; 

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

    return true;
}

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

function reformatUSPhone (USPhone)
{
   if (USPhone.length == 7)
      return (reformat (USPhone, "", 3, "-", 4));
   else return (reformat (USPhone, "(", 3, ") ", 3, "-", 4))
}

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

function reformatDate (Month, Day, Year)
{   
   if (USDate=="1")
      return ( Month + "/" + Day + "/" + Year) ;
   else return (Day + "/" + Month + "/" + Year);
}

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

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);

} // END FUNCTION isCreditCard()

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

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;

} // END FUNCTION isMasterCard()

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;

} // END FUNCTION isAmericanExpress()

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;

} // END FUNCTION isDiscover()

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;

} // END FUNCTION isJCB()

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;

} // END FUNCTION isAnyCard()

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;

}  // END FUNCTION CardMatch()

function CallTimedWindow(desturl,winname,windata,delay)
{
   ActStr = "CallWindow('" + desturl + "','" + winname + "','" + windata +"')";
   setTimeout(ActStr, delay*1000);
}

function CallWindow(desturl,winname,windata)
{
   numsave = open(desturl,winname,windata);
//   numsave.creator = self;
}

function ReturnVal(choice, fieldnm, formnm, docls)
{
   if (fieldnm!="") {
      this.window.opener.document.forms[formnm].elements[fieldnm].value=choice;
   }
   if (docls=="1") {
      window.close();
   }
}

var CheckedDay;
var CheckedMonth;
var CheckedYear;

function ConvertDateString(stringValue) {

   var delimiterCharacter = '*';
   var Pieces = makeArray(3);
   Pieces[1]="";
   Pieces[2]="";
   Pieces[3]="";
   var iPiece = 1;

   if ((stringValue.length == 6 || stringValue.length == 8) && (isInteger(stringValue))) {
      // no delimiters?
      iPiece = 3;
      Pieces[1] = stringValue.charAt(0) + stringValue.charAt(1);
      Pieces[2] = stringValue.charAt(2) + stringValue.charAt(3);
      Pieces[3] = stringValue.charAt(4) + stringValue.charAt(5) + stringValue.charAt(6) + stringValue.charAt(7);
   } else {
      if ( charInString('/', stringValue) )
         delimiterCharacter = '/';
      else
      if (charInString('-', stringValue))
         delimiterCharacter = '-';
      else
      if (charInString(' ', stringValue))
         delimiterCharacter = ' ';
      else
      if (charInString('.', stringValue))
         delimiterCharacter = '.';
      // found a delimiter?
      if (delimiterCharacter == '*') return false;
      // break string apart based on delimiter character
      for (iCnt=0 ; iCnt<stringValue.length ; iCnt++) {
         if (stringValue.charAt(iCnt)==delimiterCharacter)
            iPiece++;
         else
            Pieces[iPiece] += stringValue.charAt(iCnt);
      }
   }
   if (iPiece < 2 || iPiece > 3) return false;
   if (iPiece == 2) {
      // should be be mm/dd, but may be dd/mm
      if (Pieces[1] > 12) {
         CheckedMonth = Pieces[2];
         CheckedDay = Pieces[1];
      } else {
         CheckedMonth = Pieces[1];
         CheckedDay = Pieces[2];
      }
      CheckedYear = CurrentYear;
   } else {
      // SHOULD be mm/dd/yy - but may be dd/mm/yy
      if (Pieces[1] > 12) {
         CheckedMonth = Pieces[2];
         CheckedDay = Pieces[1];
         CheckedYear = Pieces[3];
      } else {
         CheckedMonth = Pieces[1];
         CheckedDay = Pieces[2];
         CheckedYear = Pieces[3];
      }
   }
   // rationalise the year
   if (CheckedYear.length == 2) {
      // this logic should work okay
      // if the 2-digit year is 
      var FirstYearPart = "";
      var SecondYearPart = "";
      var AddYearPart = "";
      FirstYearPart = CurrentYear.charAt(0) + CurrentYear.charAt(1);
      SecondYearPart = CurrentYear.charAt(2) + CurrentYear.charAt(3);
      var Difference = SecondYearPart - CheckedYear;
      if (Difference > 50) {
         FirstYearPart = FirstYearPart + 1;
      } else if (Difference < -50) {
         FirstYearPart = FirstYearPart - 1;
      }
      CheckedYear = FirstYearPart + CheckedYear;   
   }
   return isDate(CheckedYear, CheckedMonth, CheckedDay);
}

function isDateRange ( TargetDate, StartingDate, EndingDate) {
   if (ConvertDateString(TargetDate)) {
      var TargetMonth = CheckedMonth;
      var TargetDay = CheckedDay;
      var TargetYear = CheckedYear;
   } else return false;
   var StartMonth = "";
   var StartDay = "";
   var StartYear = "";
   var EndMonth = "";
   var EndDay = "";
   var EndYear = "";
   if (StartingDate != "") {
      if (ConvertDateString(StartingDate)) {
         StartMonth = CheckedMonth;
         StartDay = CheckedDay;
         StartYear = CheckedYear;
      }
   }
   if (EndingDate != "") {
      if (ConvertDateString(EndingDate)) {
         EndMonth = CheckedMonth;
         EndDay = CheckedDay;
         EndYear = CheckedYear;
      }
   }
   if (StartYear != "") {
      if (parseInt(TargetYear, 10) < parseInt(StartYear, 10)) return false;
      if (parseInt(TargetYear, 10) == parseInt(StartYear,10)) {
         if (parseInt(TargetMonth,10) < parseInt(StartMonth,10)) return false;
         if (parseInt(TargetMonth,10) == parseInt(StartMonth,10) && parseInt(TargetDay,10) < parseInt(StartDay,10)) return false;
      }
   }
   if (EndYear != "") {
      if (parseInt(TargetYear,10) > parseInt(EndYear,10)) return false;
      if (parseInt(TargetYear,10) == parseInt(EndYear,10)) {
         if (parseInt(TargetMonth,10) > parseInt(EndMonth,10)) return false;
         if (parseInt(TargetMonth,10) == parseInt(EndMonth,10) && parseInt(TargetDay,10) > parseInt(EndDay,10)) return false;
      }
   }
   return true;
} 

var CheckedHour;
var CheckedMinute;
var CheckedSecond;
var CheckedAMPM;

function ConvertTimeString (timeString) {
   // break string apart based on delimiter character
   var Pieces = makeArray(3);
   Pieces[1]="";
   Pieces[2]="";
   Pieces[3]="";
   var iPiece = 1;
   for (iCnt=0 ; iCnt<timeString.length ; iCnt++) {
      if (timeString.charAt(iCnt)==':')
         iPiece++;
      else
         Pieces[iPiece] += timeString.charAt(iCnt);
   }
   CheckedSecond = 0;
   CheckedAMPM = "";
   if (iPiece < 2 || iPiece > 3) return false;
   // last piece may contain am/pm indicator, too
   var ThisValue;
   var c;
   ThisValue = "";
   for (iCnt=0; iCnt < Pieces[iPiece].length ; iCnt++) {
      c = Pieces[iPiece].charAt(iCnt);
      if (c=='a'||c=='A'||c=='p'||c=='P'||c=='m'||c=='M')
         CheckedAMPM += c;
      else {
         if (c!=' ')
            ThisValue += c;
      }
   }
   CheckedHour = Pieces[1];
   if (iPiece==3) {
      CheckedMinute=Pieces[2];
      CheckedSecond=ThisValue;
   } else {
      CheckedMinute=ThisValue;
   }
   if (!isIntegerInRange(CheckedMinute, 0, 59)) return false;
   if (CheckedSecond != "")
      if (!isIntegerInRange(CheckedSecond, 0, 59)) return false;
   if (CheckedAMPM == "")
      if (!isIntegerInRange(CheckedHour, 0, 24)) return false;
   else
      if (!isIntegerInRange(CheckedHour, 0, 12)) return false;
   // passed all the validation tests
   return true;
}

function IsValidDate (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a time value before proceeding.");
    } else {
       if (ConvertDateString(v.value)) {
          v.value = reformatDate(CheckedMonth, CheckedDay , CheckedYear);
          return true;
       }
       if (isEmpty(errtxt))
          alert("You have entered an invalid time; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidTime (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a time value before proceeding.");
    } else {
       if (ConvertTimeString(v.value)) return true;
       if (isEmpty(errtxt))
          alert("You have entered an invalid time; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidSS (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a social security number before proceeding.");
    } else {
       var normalizedSSN = stripCharsInBag(v.value, SSNDelimiters)
       if (isSSN(normalizedSSN, false)) {
          v.value = reformatSSN(normalizedSSN)
          return true;
       }
       if (isEmpty(errtxt))
          alert("You have entered an invalid social security number; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidZIP (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a zip code before proceeding.");
    } else {
      var normalizedZIP = stripCharsInBag(v.value, ZIPCodeDelimiters)
      if (isZIPCode(normalizedZIP, false)) {
         v.value = reformatZIPCode(normalizedZIP)
         return true;
      }
      if (isEmpty(errtxt))
         alert("You have entered an invalid zip code; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidState (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a state abbreviation before proceeding.");
    } else {
       if (isStateCode(v.value, nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered an invalid state abbreviation; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidPhone(v, nullok, errtxt) {
   if (USPhone == "1")
      return IsValidUSPhone(v, nullok, errtxt);
   else return IsValidIntlPhone(v, nullok, errtxt);
}

function IsValidUSPhone(v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a phone number before proceeding.");
    } else {
       var normalizedPhone = stripCharsInBag(v.value, phoneNumberDelimiters + "+")
       if (isUSPhoneNumber(normalizedPhone,nullok)) {
          v.value = reformatUSPhone(normalizedPhone);
          return true;
       }
       if (isEmpty(errtxt))
          alert("You have entered an invalid phone number; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidIntlPhone (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a phone number before proceeding.");
    } else {
       var normalizedPhone = stripCharsInBag(v.value, phoneNumberDelimiters + "+")
       if (isUSPhoneNumber(normalizedPhone,nullok) || isInternationalPhoneNumber(normalizedPhone, nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered an invalid phone number; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidCC (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a credit card number before proceeding.");
    } else {
       if (isAnyCard(v.value,nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered an invalid credit card number; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidNum (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a numeric value before proceeding.");
    } else {
       if (isFloat(v.value,nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered a non-numeric value; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidAlpha (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter an alphabetic string before proceeding.");
    } else {
       if (isAlphabetic(v.value,nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered a non-alphabetic string; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidAlphaNum (v, nullok, errtxt) {
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter an alphanumeric string before proceeding.");
    } else {
       if (isAlphanumeric(v.value,nullok)) return true;
       if (isEmpty(errtxt))
          alert("You have entered a non-alphanumeric string; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidRange (v, nullok, stval, edval, errtxt) {
    var thisstring;
    if (isEmpty(stval))
       thisstring = "less than " + edval;
    else if (isEmpty(edval))
       thisstring = "greater than " + stval;
    else
       thisstring = "between " + stval + " and " + edval;
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a value " + thisstring + " before proceeding.");
    } else {
       var cvtValue = parseFloat(v.value);
       var cvtStart = parseFloat(stval);
       var cvtEnd = parseFloat(edval);
       if ( isFloat(v.value) && (!isEmpty(stval) && cvtValue >= cvtStart) && (!isEmpty(edval) && cvtValue <= cvtEnd) ) return true;
       if (isEmpty(errtxt))
          alert("You have entered a value that is NOT " + thisstring + "; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidLength (v, nullok, stval, edval, errtxt) {
    var thisstring;
    if (isEmpty(stval))
       thisstring = "less than " + edval;
    else if (isEmpty(edval))
       thisstring = "greater than " + stval;
    else
       thisstring = "between " + stval + " and " + edval;
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a string value " + thisstring + " characters long before proceeding.");
    } else {
       var cvtMin = parseInt(stval,10);
       var cvtMax = parseInt(edval,10);
       if ( (!isEmpty(stval) && v.value.length >= cvtMin) && (!isEmpty(edval) && v.value.length <= cvtMax) ) return true;
       if (isEmpty(errtxt))
          alert("You have entered a string value that is NOT " + thisstring + " characters long; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function IsValidDateRange (v, nullok, stval, edval, errtxt) {
    var thisstring;
    if (isEmpty(stval))
       thisstring = "less than " + edval;
    else if (isEmpty(edval))
       thisstring = "greater than " + stval;
    else
       thisstring = "between " + stval + " and " + edval;
    if (isEmpty(v.value)) {
       if (nullok==true) return true;
       if (isEmpty(errtxt))
          alert("You must enter a date " + thisstring + " before proceeding.");
    } else {
       if ( isDateRange(v.value, stval, edval) ) return true;
       if (isEmpty(errtxt))
          alert("You have entered a date that is NOT " + thisstring + "; please re-enter.");
    }
    if (!isEmpty(errtxt)) alert(errtxt);
    v.focus();
    return false;
}

function SetHelp (hlptxt) {
   window.status = hlptxt;
   return true;
}

function SubmitOnce (errtxt) {
   var DoSubmit = true;
   if (DoSubmit) {
      DoSubmit = false;
      return true;
   } else {
      if (isEmpty(errtxt)) {
         alert("You have already submitted this information.");
      } else {
         alert(errtxt);
      }
      return false;
   }
}