<!--
// whitespace characters
var whitespace = " \t\n\r";

var defaultEmptyOK = false;

var section = '';
var page = '';
var nav_level3 = '';
var nav_level4 = '';

// checkString (TEXTFIELD theField, STRING s, [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is not all whitespace.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
	
function checkString (theField, emptyOK) {
	// Next line is needed on NN3 to avoid "undefined is not a number" error
    // in equality comparison below.
    if (checkString.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    if (isWhitespace(theField.value)) {
		return false;
    } else return true;
}

// 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;
}

// Check Email (TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid Email.
//
// If emptyOK == true then value cannot be null

function checkEmail (theField, emptyOK) {
    if (checkEmail.arguments.length == 1) {
        emptyOK = defaultEmptyOK;
    }   
    if ((emptyOK == true) && (isEmpty(theField.value))) {
        return true;
    } else if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(theField.value))) {
        return false;
    } else {
        return true;
    }
}

// Check the grant amount value
//
// If emptyOK == true then value cannot be null
// Checks if value is a number

function isValidAmount (theField, emptyOK)
{   if (isValidAmount.arguments.length == 1) emptyOK = defaultEmptyOK;
    if ((emptyOK == true) && (isEmpty(theField.value))) return true;
    else if ( (isNaN(theField.value)) || ((emptyOK == false) && (isEmpty(theField.value)))  ) {
                return false;
        } else 
                return true;
}

// Checks if one of the radio buttons is checked

function isRadioChecked(radioGroup) {
        for(var i=0;i<radioGroup.length;i++) {
                if (radioGroup[i].checked) 
                        return true
        }
        return false;
}

function getRadioButtonObjByValue(radioGroup, radioValue) {
	for (var i=0;i<radioGroup.length;i++) {
		if (radioGroup[i].value == radioValue) {
			return radioGroup[i];
		}
	}
	return null;
}

// Validate Check Box
function isCheckBoxChecked(field) {
     var strValue= field.checked;
     if (!strValue) {
     	return false;
     } else {
	 	return true;
	}
}
        
function checkPhoneSuffix(theField, emptyOK) {

        if (checkPhoneSuffix.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
                if (!isInteger(theField.value) || theField.value.length != 4) {
                        return false;
                }
        }

        return true;
}

function checkPhonePrefix(theField, emptyOK) {

        if (checkPhonePrefix.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
                if (!isInteger(theField.value) || theField.value.length != 3) {
                        return false;
                }
        }

        return true;
}

function checkPhoneAreaCode(theField, emptyOK) {

        if (checkPhoneAreaCode.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
                if (!isInteger(theField.value) || theField.value.length != 3) {
                        return false;
                }
        }

        return true;
}

function checkPhoneExtension(theField, emptyOK) {

        if (checkPhoneExtension.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
                if (!isInteger(theField.value)) {
                        return false;
                }
        }

        return true;
}

// check5DigitZIP(TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid ZIP code.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.

function check5DigitZIP(theField, emptyOK) {
        if (check5DigitZIP.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
                if (!isInteger(theField.value) || theField.value.length != 5) {
                        return false;
                }
        }

        return true;
}

function checkZipCodeExt(theField, emptyOK) {
        if (checkZipCodeExt.arguments.length == 1) emptyOK = defaultEmptyOK;
        if ((emptyOK == true) && (isEmpty(theField.value))) {
                return true;
        } else {
          if (!isInteger(theField.value) || theField.value.length != 4) {
                return false;
          }
        }

        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;
}

// Returns true if character c is a digit
// (0 .. 9).

function isDigit(c) {
        return ((c >= "0") && (c <= "9"))
}

// 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;
}

// Checks if Date1 which consists of year1, month1, and day1
// is prior to Date2 which consists of year2, month2, and day2

function isPriorDate(year1, month1, day1, year2, month2, day2) {
        
        intYear1 = parseInt(year1, 10);
        intYear2 = parseInt(year2, 10);
        
        intMonth1 = parseInt(month1, 10);
        intMonth2 = parseInt(month2, 10);
        
        intDay1 = parseInt(day1, 10);
        intDay2 = parseInt(day2, 10);
        
        if (intYear1 < intYear2)
                return true;
        else if ( (intYear1 == intYear2) && (intMonth1 < intMonth2) )
                return true;
        else if ( (intYear1 == intYear2) && (intMonth1 == intMonth2) && (intDay1 < intDay2) )
                return true;
        else 
                return false;
}

function checkDate(strYear, strMonth, strDay) {

        var intday;
        var intMonth;
        var intYear;

        intday = parseInt(strDay, 10);
        if (isNaN(intday)) {
                return false;
        }

        intMonth = parseInt(strMonth, 10);
        if (isNaN(intMonth)) {
                return false;
        }

        intYear = parseInt(strYear, 10);
        if (isNaN(intYear)) {
                return false;
        }

        if (intMonth > 12 || intMonth < 1) {
                return false;
        }

        if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
                return false;
        }

        if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
                return false;
        }

        if (intMonth == 2) {
                if (intday < 1) {
                        return false;
                }

                if (isLeapYear(intYear) == true) {
                        if (intday > 29) {
                                return false;
                        }
                } else {
                        if (intday > 28) {
                                return false;
                        }
                }
        }

        return true;
}


function isLeapYear(intYear) {
        if (intYear % 100 == 0) {
                if (intYear % 400 == 0) { return true; }
        }
        else {
                if ((intYear % 4) == 0) { return true; }
        }
        return false;
}

function leadingZero (num) {
        if (num >= 10 ) return num;
                return "0" + num;
}

function isDateNotInFuture(strYear, strMonth, strDay) {

        var intday;
        var intMonth;
        var intYear;

        intday = parseInt(strDay, 10);
        if (isNaN(intday)) {
                return false;
        }

        intMonth = parseInt(strMonth, 10);
        if (isNaN(intMonth)) {
                return false;
        }

        intYear = parseInt(strYear, 10);
        if (isNaN(intYear)) {
                return false;
        }

        if (intMonth > 12 || intMonth < 1) {
                return false;
        }

        if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
                return false;
        }

        if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
                return false;
        }

        if (intMonth == 2) {
                if (intday < 1) {
                        return false;
                }

                if (isLeapYear(intYear) == true) {
                        if (intday > 29) {
                                return false;
                        }
                } else {
                        if (intday > 28) {
                                return false;
                        }
                }
        }

        var curDate = new Date();
        var curYear = curDate.getYear();
        var curMonth = curDate.getMonth() + 1;
        var curDay = curDate.getDate();

        // Hack to get correct year.  If year < 200, then add 1900.
        if (curYear < 200) {
                curYear = curYear + 1900;
        }

        if (intYear > curYear) {
                return false;
        } else {
                if (intYear < curYear) {
                        return true;
                }
        }

        if (intMonth > curMonth) {
                return false;
        } else {
                if (intMonth < curMonth) {
                        return true;
                }
        }

        if (intday > curDay) {
                return false;
        } else {
                if (intday < curDay) {
                        return true;
                }
        }

        // This line gets called if the date is today.
        return true;
}
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