function CheckFieldsSurvey(f) {
	// main user validation section - validates fields updated by user
	// f - current form
	hasErrors = false;
	errorMsgsA = '';
	errorMsgsC = '';
	errorMsgs = '';
	errorCount = 0;

	//ClearFldStyle(f.Fld)
	if(!CheckCBField(f.saq1)) hasErrors = true;
	if(!CheckCBField(f.saq2)) hasErrors = true;
	if(!CheckCBField(f.saq3)) hasErrors = true;
	if(!CheckCBField(f.saq4)) hasErrors = true;
	if(!CheckCBField(f.saq5)) hasErrors = true;	
	if(!CheckCBField(f.saq6)) hasErrors = true;
	if(!CheckCBField(f.saq7)) hasErrors = true;
	if(!CheckCBField(f.saq8)) hasErrors = true;
	if(!CheckCBField(f.saq9)) hasErrors = true;
	if(!CheckCBField(f.saq10)) hasErrors = true;
	switch (errorCount) {
		case 0: break;
		case 1: errorMsgsA = 'A required value in Section A has not been answered'; break;
		default: errorMsgsA = 'More then one required value in Section A has not been answered';
	}
	errorCount = 0
	if(!CheckCBField(f.scq1)) hasErrors = true;
	if(!CheckCBField(f.scq2)) hasErrors = true;
	if(!CheckCBField(f.scq3)) hasErrors = true;	
	switch (errorCount) {
		case 0: break;
		case 1: errorMsgsC = 'A required value in Section C has not been answered'; break;
		default: errorMsgsC = 'More then one required value in Section C has not been answered';
	}
	// validation components completed - display any errors to user return true
     if(hasErrors==true) {
     	if(errorMsgsA.length != 0 && errorMsgsC.length != 0){
     		errorMsgs = errorMsgsA + '\n\r' + errorMsgsC;
     	}else{
     		if(errorMsgsA.length != 0){
     			errorMsgs = errorMsgsA;
     		}
     		if(errorMsgsC.length != 0){
     			errorMsgs = errorMsgsC;
     		}
     	}
		alert(errorMsgs);
		return false;
	} else {
		return true;
	}
}

function CheckFieldsDonation(f) {
	// main user validation section - validates fields updated by user
	// f - current form
	hasErrors = false;
	errorMsgs = '';
	errorCount = 0;

	//ClearFldStyle(f.Fld)
	if(!CheckCBField(f.donation)) hasErrors = true;
	switch (errorCount) {
		case 0: break;
		case 1: errorMsgs = 'You have not selected a charity for the donation.';
	}
	// validation components completed - display any errors to user return true
     if(hasErrors==true) {
		alert(errorMsgs);
		return false;
	} else {
		return true;
	}
}

function validateSignUp() {
	
	var valid = false;
	
	//Check values for testing
	valid = validateRequired();
	if(valid==true) {
		valid = validateEmail()
	}
	if(valid == true && f.SaveSaveOptions.value == 0){
		//May be a direct link versus referal
		f.SaveSaveOptions.value = 1;
	}
	return valid
}
function validateSubmit() {
	
	var valid = false;

	//Check values for testing
	valid = validateRequired();
	
	if(valid == true){
		if(f.contactmethod[0].checked == true){
			//Indicates that email is prefered value
			valid = validateEmail();
			
			if(valid == true){			
				alert('We will contact you by email');
				f.ContactPref.value = 'Email';
			}
		}
		if(f.contactmethod[1].checked == true){
			//Indicates that phone is prefered value
			valid = validatePhone();
		
			if(valid == true){
				alert('We will contact you by phone');
				f.ContactPref.value = 'Phone';		
			}
		}
	}
	if(valid == true && f.SaveSaveOptions.value == 0){
		//May be a direct link versus referal
		f.SaveSaveOptions.value = 1;
	}
	return valid
}
function ClearFldStyle(field) {
	field.className="";
	return true;
	}
function CheckField(field) {
	if (field.type=="text" | field.type=="textarea") {
		if (field.value =="") {
			field.className="error";
			errorCount += errorCount + 1;
			field.focus();
			return false;
		}
		field.className="";
		return true;
	}
	if (field.type=="select-one") {
		if (field.selectedIndex <=0) {
			field.className="error";	
			errorCount += errorCount + 1;
			field.focus();
			return false;
		}
		field.className="";
		return true;
	}
	return true;
}
function CheckCBField(field, msg) {
	var ischecked = false;
	for (i = 0; i < field.length; i ++) {
		if (field[i].checked) {
			ischecked = true; // as long as one is chosen this gets set true
		}
	}
	if (ischecked == false) {
		field.className="error";
		errorCount += errorCount + 1;
		return false;
	}
	field.className="";
	return true;
}
function CheckButton(field, msg, chkvalue) {
	// validate button - field
	var selBtn = -1;
	for (i=field.length-1; i > -1; i--) {
		if (field[i].checked) {
		selBtn = i;
		}
	}
	if (selBtn == -1) {
		// no button selected		
		field.className="error";
		errorCount += errorCount + 1;
		return false;
	} else {
		// a button was selected, check the value
		if (chkvalue=='') {
			// nothing passed, assume just looking for not null
			return true;	
		}
		if (field[selBtn].value == chkvalue) {
			// match, return true
			return true;
		} else {
			// no match, return false
			if (msg != "") {
				field.className="error";
				errorCount += errorCount + 1;
				return false;
			}
		}
	}
}
String.prototype.trim = function() {
	// call me with something like: this.value.trim()
	return this.replace(/(?:(?:^|\n)\s+|\s+(?:$|\n))/g,'');
}

String.prototype.fulltrim = function() {
	// call me with something like: this.value.fulltrim()
	return this.replace(/(?:(?:^|\n)\s+|\s+(?:$|\n))/g,'').replace(/\s+/g,' ');
}

// misc field translations/validations
function chknum(myval) {
	var mychar;
	var mypoint = 0;
	var isvalidnumber;
	for(var i = 0; i < myval.length; i++) {
		mychar = myval.charAt(i);
		if(mychar == ".") {
			mypoint++;
		}
	}
	if(mypoint > 1) {
		alert("Invalid Number: more than one decimal points.");
		return false;
	} else {
		for(var i = 0; i < myval.length; i++) {
			if(myval.charAt(i) != ".") {
				if(isNaN(myval.charAt(i))) {
				//alert("Invalid Number: non numeric character entered.");
				return false;
				}
			}
		}
	}
}
// functions tests if passed object is valid (exists)
function testIsValidObject(objToTest) {
		if (null == objToTest) {
			return false;
		}
		if ('undefined' == typeof(objToTest) ) {
			return false;
		}
		return true;
}
function CheckFldDate(mo, dy, yr, ndir, ndys) {
	// validates date passed (format mm/dd/yyyy)
	// ndir - direction for successful test (ie. before or after today), pass 1 for future, 0 for any date, -1 for past
	// ndays - number of days to test against
	var moFlag = 0;
	var dyFlag = 0;
	var spareDys = 0;
	if (mo =='' || dy =='' || yr =='' ) {
		return false;
	}
	// create date objects and test date components for valid date
	var tDate = new Date();							// doc / then date (will be replaced)
	tDate.setFullYear(yr,mo-1,dy)					// months are base 0 not 1
	var nDate = new Date();  							// current date (local), includes time which we don't want, setting after tDate so time component is later	
	
	var nowTime = nDate.getTime();				// current date/time (UTC)
	var thenTime = tDate.getTime();
	if (isNaN(mo) || isNaN(dy) || isNaN(yr)) {
		alert("Month, day, or year are not valid numbers.");
		return false;
	}
	if (dy>30 && (mo == 2 || mo==4 || mo==6 || mo==9 || mo==11)) {
		alert("Day "+dy+" of Month "+mo+" is not a valid date");
		return false;
	} else {
		dyFlag=1;
	}
	if (dy>29 && mo==2) {
		alert("Day "+dy+" of Month "+mo+" is not a valid date");
		return false;
	} else {
		dyFlag=1;
	}
	if ((mo == 2 && dy == 29)  && ((yr%4 != 0) || (yr%100 == 0 && yr%400 != 0))) {
		alert("29th of February is not a valid date in " + yr);
		return false;
	} else {
		dyFlag=1;
	}
	if (mo<1 || mo>12) {
		alert("Day "+dy+" of Month "+mo+" is not a valid date");
		return false;
	} else {
		moFlag=1;
	}
	// code below is from the JavaScript Source
	if (dyFlag==1 && moFlag==1) {
		// good date entered, test date
		if (nowTime >= thenTime) {
			// past or present
			if ( ndir == 0 || ndir == -1) {
				// date is today or past, okay
				// test for number of days
				spareDys = parseInt((nowTime - thenTime)/(3600000*24));
				if (spareDys > ndys ) {
					// too many days, return false
					alert("Too many days has lapsed from today: " +spareDys +".");
					return false;
				} else {
					// less than limit, okay
					return true;
				}
			} else {
				// not what programmer wanted, return failure
				return false;
			}
		} else {
			// future date
			if ( ndir == 1) {
				// date is future, okay
				spareDys = parseInt((thenTime - nowTime)/(3600000*24));
				// test for number of days
				if (spareDys > ndys ) {
					// too many days, return false
					alert("Too many days has lapsed from today: " +spareDys +".");
					return false;
				} else {
					// less than limit, okay
					return true;
				}
			} else {
				// not what programmer wanted, return failure
				return false;
			}
		}
	}
}


function validateRequired(){
	var isValid = false;
	
	firstName = f.FirstName.value;
	lastName = f.LastName.value;
	if(firstName.length >=2 && lastName.length >=2){
		isValid = true;
	}else{
		alert('All required fields do not have values');	
		isValid = false;
	}
	if(firstName != lastName){
		isValid = true;
	}else{
		alert('First name and last name cannot be the same!');	
		isValid = false;
	}
	return isValid;
}
function validatePhone(){
	var validPhone = false;
	
	phoneNumber = f.Phone.value;
	//alert('Phone number before format is : ' + phoneNumber);	
	phoneNumber  = reformatTelephoneNumber(phoneNumber);
	//alert('Phone number after format but before check is : ' + phoneNumber);
	if(isValidTelephoneNum(phoneNumber) == true ){
		//alert('Valid phone number');
		validPhone = true;
		return validPhone;
		f.Phone.value = phoneNumer;
		return true;
	}else{
		alert('Invalid phone number');
		validPhone = false;
		return validPhone;
	}
}
function validateEmail(){
	var validEmail = false;
	
	emailAddress= f.Email.value;
	if(isValidEmail(emailAddress) == true){
		//alert('Valid email address');
		validEmail = true;
		return validEmail;
	}else{
		alert('Invalid email address');	
		validEmail = false;
		return validEmail;	
	}
}

function isOnlyAlphabetic(string){
  invalidCharactersRegExp = /[^a-z ]/i;
  var isValid = !(invalidCharactersRegExp.test(string));
  return isValid;
}

function isValidTelephoneNum(telephoneNum){
//	alert('Passed Telephone number = ' + telephoneNum);
	var isValid = false;
	var legalCharactersRegExp = /[-\(\) \d]/;
	var validFormatRegExpLong = /^(\(\d{3}\) \d{3}-\d{4})/;
	var validFormatRegExpShort = /^(\d{3}-\d{4})/;

	//Check for illegal characters first, then other operations
	isValid = legalCharactersRegExp.test(telephoneNum);
	
	if(isValid){
		//check pattern
		if(telephoneNum.length > 10){
//			alert('Performing long expression check');
			isValid = validFormatRegExpLong.test(telephoneNum);
		}else{
//			alert('Performing short expression check');		
			isValid = validFormatRegExpShort.test(telephoneNum);
		}
	}
	return isValid;
}
/*
function isValidTelephoneNum(telephoneNum){
	var isValid = false;
	var legalCharactersRegExp = /[-\(\) \d]/;
	var validFormatRegExp = /^(\(\d{3}\) \d{3}-\d{4})/;

	//Check for illegal characters first, then other operations
	isValid = legalCharactersRegExp.test(telephoneNum);
	
//	if(isValid){
		//no illegal characters, now check first digit
//		isValid = (telephoneNum.substring(0,1) == '0')
	if(isValid){
		//check pattern (only one allowed pattern after formating)
		isValid = validFormatRegExp.test(telephoneNum);
	}
	return isValid;
}
*/
function isValidEmail(email){
  var validFormatRegExp = 
    /^\w(\.?\w)*@\w(\.?[-\w])*\.[a-z]{2,4}$/i;
  var isValid = validFormatRegExp.test(email);

  return isValid;
}

function reformatTelephoneNumber(telephoneNumber){
//Converts phone number to prefered format
	
	//remove any spaces
	while (telephoneNumber.indexOf(' ') != -1){
		telephoneNumber = telephoneNumber.replace(' ', '');
	}

	//remove left par (
	while (telephoneNumber.indexOf('(') != -1){	
		telephoneNumber = telephoneNumber.replace('(', '');
	}
	
	//remove right par )
	while (telephoneNumber.indexOf(')') != -1){
		telephoneNumber = telephoneNumber.replace(')', '');
	}
	
	//remove dash
	while (telephoneNumber.indexOf('-') != -1){
		telephoneNumber = telephoneNumber.replace('-', '');
	}

	//remove period
	while (telephoneNumber.indexOf('.') != -1){
		telephoneNumber = telephoneNumber.replace('.', '');
	}

//	alert('telephoneNumber.substring(0,1) = ' + telephoneNumber.substring(0,1));
	//leading 1 means user entered long distance code not needed so remove
	if (telephoneNumber.substring(0,1) == "1"){
			telephoneNumber = telephoneNumber.replace('1', '');
	}

	if (telephoneNumber.length == 10 || telephoneNumber.length == 7){
			//No problem
	}else{
			//alert('Phone number does not have 7 or 10 digits, this is a problem.');
	}
//	alert('Phone number before parsing = ' + telephoneNumber);
//	alert('Phone number length before parsing = ' + telephoneNumber.length)	;
	//return formatted phone number
	if(telephoneNumber.length == 10){
		telephoneNumber = '(' + 	telephoneNumber.substring(0,3) + ') ' + telephoneNumber.substring(3,6) +
				   '-' + 	telephoneNumber.substring(6,10);
	}
	if(telephoneNumber.length == 7){
		telephoneNumber = telephoneNumber.substring(0,3) + '-' + telephoneNumber.substring(3,7);
	}
//	alert('telephoneNumber after reformat is ' + telephoneNumber);				   
	return telephoneNumber;				   
}