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 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";

var defaultEmptyOK = false;

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

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

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;
}

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;
}

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;
}

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);

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

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

function isIntegerInRange (s, a, b)
{   if (isEmpty(s)) 
       if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
       else return (isIntegerInRange.arguments[1] == true);

    if (!isInteger(s, false)) return false;

    var num = parseInt (s);
    return ((num >= a) && (num <= b));
}

function MFValidate(formField, aBool, prompt)
{
    if (aBool == false)
    {
        formField.focus();
        formField.select();
        alert(prompt);
        formField.focus();
    }
    return aBool;
}

function MFPrompt(prompt)
{
    window.status=prompt;
}

function toLowerCase(s)
{   
    return s.toLowerCase;
}
    
function toUpperCase(s)
{   
    return s.toUpperCase;
}

function MFValidate_Username(){
    if (document.HTMLForm.Username)
        return MFValidate(document.HTMLForm.Username,isAnyValue(document.HTMLForm.Username.value,false),
            'Please enter User Name');
    else return 1;
}

function MFValidate_Password(){
    if (document.HTMLForm.Password)
        return MFValidate(document.HTMLForm.Password,isAnyValue(document.HTMLForm.Password.value,false),
            'Please enter Password');
    else return 1;
}

function MFValidate_Form_HTMLForm(){
    return MFValidate_Username() &&
           MFValidate_Password();
}