function validate() {
//declare local and global variables
var si1 = document.CFForm.bus_country.selectedIndex;
bus_country_name = document.CFForm.bus_country.options[si1].value;
var si2 = document.CFForm.home_country.selectedIndex;
home_country_name = document.CFForm.home_country.options[si2].value;

		   	if  (document.CFForm.first_name.value == ''){
			window.alert('Please enter a First name.');
			document.CFForm.first_name.focus();
            return false; 
            }
		    if  (document.CFForm.last_name.value == ''){
			window.alert('Please enter a Last name.');
			document.CFForm.last_name.focus();
            return false; 
            }
		    if  (document.CFForm.gender[0].checked == false && 
			document.CFForm.gender[1].checked == false){
			window.alert('Please select a Gender.');
			document.CFForm.gender[0].focus();
            return false; 
            }
		    if  (!_CF_checkdate(document.CFForm.birth_date.value)){
			window.alert('Please enter a valid Birth Date (mm/dd/yyyy).');
			document.CFForm.birth_date.focus();
	        return false; 
			}
			if  (document.CFForm.correspondence[0].checked == false && 
			document.CFForm.correspondence[1].checked == false){
			window.alert('Please select either Business or Home for Correspondence.');
			document.CFForm.correspondence[0].focus();
            return false; 
            }
			if  (document.CFForm.billing[0].checked == false && 
			document.CFForm.billing[1].checked == false){
			window.alert('Please select either Business or Home for Billing.');
			document.CFForm.billing[0].focus();
            return false; 
            }
			if  (document.CFForm.dir_addr[0].checked == false && 
			document.CFForm.dir_addr[1].checked == false){
			window.alert('Please select either Business or Home for Membership Directory.');
			document.CFForm.dir_addr[0].focus();
            return false; 
            }
			
 			if (bus_country_name == "USA" || 
				bus_country_name == "CANADA") {	
				if  (!isValidPhoneNumber(document.CFForm.work_phone)){
				window.alert('Please enter a valid Business Phone (999-999-9999).');
				document.CFForm.work_phone.focus();
        		return false; 
        		}
				if  (!isValidPhoneNumber(document.CFForm.fax)){
				window.alert('Please enter a valid Business Fax (999-999-9999).');
				document.CFForm.fax.focus();
        		return false; 
        		}
			}
			if (home_country_name == "USA" ||
				home_country_name == "CANADA") {	
			    if  (!isValidPhoneNumber(document.CFForm.home_phone)){
				window.alert('Please enter a valid Home Phone (999-999-9999).');
				document.CFForm.home_phone.focus();
            	return false; 
            	}
		    	if  (!isValidPhoneNumber(document.CFForm.home_fax)){
				window.alert('Please enter a valid Home Fax (999-999-9999).');
				document.CFForm.home_fax.focus();
            	return false; 
            	}
			}
			if 	(!isEmail(document.CFForm.email.value)){
			window.alert('Please enter a valid Business E-mail Address.');
			document.CFForm.email.focus();
            return false; 
            }
			if 	(!isEmail(document.CFForm.home_email.value)){
			window.alert('Please enter a valid Home E-mail Address.');
			document.CFForm.home_email.focus();
            return false; 
            }
			if  (!verifyPrefAddr())  {
			return false; 
            }
			if (document.CFForm.home_state_prov.selectedIndex !=  0) {
				if (document.CFForm.home_address1.value == '' ||
					document.CFForm.home_city.value == '' ||
					document.CFForm.home_zip.value == '') {
					window.alert
					('Please provide a Home Address, City, State/Province and Zip/Postal code.');
					document.CFForm.home_address1.focus();
					return false;
				}
			} 

//			if (!_CF_checkzip(document.CFForm.buszip.value)) {
//			window.alert('Please enter a valid Business Zip/Postal code.');
//			document.CFForm.buszip.focus();
//            return false; 
//            }
//		   if (!_CF_checkzip(document.CFForm.homezip.value)) {
//			window.alert('Please enter a valid Home Zip/Postal code.');
//			document.CFForm.homezip.focus();
//           return false; 
//            }
}	

function verifyDropDown(val) {
if (val == 0) {
	return false;}
else {
	return true;}
}

function isValidPhoneNumber(me){
	var sPhoneNumber = me.value;
	var FoundX=0;

	if (sPhoneNumber == null || sPhoneNumber == '' || sPhoneNumber == ' ') 
		return true;

	var strippedNumber = sPhoneNumber.replace(/[\(\)\.\-\ ]/g, '');
	//strip out acceptable non-numeric characters
	if (isNaN(parseInt(strippedNumber))) 		
		return false;
	else {
		sPhoneNumber = parseInt(strippedNumber) 	
		sPhoneNumber = sPhoneNumber.toString();
		if (sPhoneNumber.length  < 10) 
			return false;		
		}

	if (strippedNumber.length < 10) return false; 		
	for (i = 0; i < strippedNumber.length; i++) {
		if (strippedNumber.charAt(i) < "0" || strippedNumber.charAt(i) > "9") {
	     		if (strippedNumber.charAt(i) == "X" || strippedNumber.charAt(i) == "x") {
				FoundX = FoundX + 1
				if (FoundX > 1) return false;
				}
			else
				return false;
		}
    	 }
	return true;
}

function verifyPrefAddr() {
	if (document.CFForm.correspondence[0].checked == true ||
		document.CFForm.billing[0].checked == true ||
		document.CFForm.dir_addr[0].checked == true ||
		document.CFForm.no_referral[0].checked == true) {
		if (document.CFForm.bus_address1.value == '' ||
			document.CFForm.bus_city.value == '' ||
			(document.CFForm.bus_state_prov.selectedIndex == 0 && 
			document.CFForm.bus_country.selectedIndex == 0) ) {
			window.alert
			('Please provide a Business Address, City, and State/Province.');
			document.CFForm.bus_address1.focus();
			return false;
		} 
		if  (document.CFForm.work_phone.value == '') {
			window.alert('Please provide a Business Phone Number.');
			document.CFForm.work_phone.focus();
            return false; 
            }
		if (bus_country_name == "USA" ||
		    bus_country_name == "CANADA" ||
		    bus_country_name == "AUSTRALIA") {	
					if 			       (document.CFForm.bus_state_prov[document.CFForm.bus_state_prov.selectedIndex].value == ""){
						window.alert('Please select a Business State/Province.');
						document.CFForm.bus_state_prov.focus();
           				return false; 
           			}
					if (document.CFForm.bus_zip.value == '') {
						window.alert('Please provide a Business Zip/Postal code.');
						document.CFForm.bus_zip.focus();
           				return false; 
           			}
		}
	}//end of verify business address
	if (document.CFForm.correspondence[1].checked == true ||
		document.CFForm.billing[1].checked == true ||
		document.CFForm.dir_addr[1].checked == true) {
		if (document.CFForm.home_address1.value == '' ||
			document.CFForm.home_city.value == '' ||
			(document.CFForm.home_state_prov.selectedIndex == 0 && 
			document.CFForm.home_country.selectedIndex == 0)) {
			window.alert
			('Please provide a Home Address, City, and State/Province.');
			document.CFForm.home_address1.focus();
			return false;
		} 
		if (home_country_name == "USA" || 
			home_country_name == "CANADA" || 
			home_country_name == "AUSTRALIA") {	
			if 	(document.CFForm.home_state_prov[document.CFForm.home_state_prov.selectedIndex].value == ""){
				window.alert('Please select a Home State/Province.');
				document.CFForm.home_state_prov.focus();
            	return false; 
            }
			if (document.CFForm.home_zip.value == '') {
					window.alert('Please provide a Home Zip/Postal code.');
					document.CFForm.home_zip.focus();
       				return false; 
   			}

		}
	} //end of verify home address
	return true;
}

function isEmail(theEmail){
	var s = theEmail;
	var ok = 1;
	
	//Check to make sure it is more than 6 characters in length
	if ((s.length < 7)){
		ok = 0;
	}

	//Check to make sure it is has an @ character and there is at least one character before it
	var at = s.indexOf('@');
	if (at < 1){
		ok = 0;
	}
	
	//Check to make sure it is has only one @ character
	if (at != s.lastIndexOf('@')){
		ok = 0;
	}

	//Check to make sure there is at least one full stop after the @ character and the number of characters from the full stop to the end is between 2-5 characters in length
	if ((s.lastIndexOf('.') < (at+1)) || (s.lastIndexOf('.') > (s.length-3)) || (s.lastIndexOf('.') < (s.length-6))){
		ok = 0;
	}

	//Check to make sure there are no funny characters
	if ((s.indexOf(',') != -1) || 
		(s.indexOf(' ') != -1) || 
		(s.indexOf(';') != -1) || 
		(s.indexOf(':') != -1) || 
		(s.indexOf('?') != -1) || 
		(s.indexOf('/') != -1) || 
		(s.indexOf('"') != -1) || 
		(s.indexOf('\\') != -1) || 
		(s.indexOf("'") != -1) || 
		(s.indexOf('[') != -1) || 
		(s.indexOf(']') != -1)){
		ok = 0;
	}
	
	if (s.length == 0){
		ok = 1
	}
	
	if (ok == 1){
	return true;}
	else
	{
	return false;}
}

function _CF_checkinteger(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is an integer defined as
    //   having an optional leading + or -.
    //   otherwise containing only the characters 0-9.
	var decimal_format = ".";
	var check_char;

    //The first character can be + -  blank or a digit.
	check_char = object_value.indexOf(decimal_format)
    //Was it a decimal?
    if (check_char < 1)
	return _CF_checknumber(object_value);
    else
	return false;
    }



function _CF_numberrange(object_value, min_value, max_value)
    {
    // check minimum
    if (min_value != null)
	{
        if (object_value < min_value)
		return false;
	}

    // check maximum
    if (max_value != null)
	{
	if (object_value > max_value)
		return false;
	}
	
    //All tests passed, so...
    return true;
    }



function _CF_checknumber(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a number defined as
    //   having an optional leading + or -.
    //   having at most 1 decimal point.
    //   otherwise containing only the characters 0-9.
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;

    //The first character can be + - .  blank or a digit.
	check_char = start_format.indexOf(object_value.charAt(0))
    //Was it a decimal?
	if (check_char == 1)
	    decimal = true;
	else if (check_char < 1)
		return false;
        
	//Remaining characters can be only . or a digit, but only one decimal.
	for (var i = 1; i < object_value.length; i++)
	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0)
			return false;
		else if (check_char == 1)
		{
			if (decimal)		// Second decimal.
				return false;
			else
				decimal = true;
		}
		else if (check_char == 0)
		{
			if (decimal || digits)	
				trailing_blank = true;
        // ignore leading blanks

		}
	        else if (trailing_blank)
			return false;
		else
			digits = true;
	}	
    //All tests passed, so...
    return true
    }



function _CF_checkrange(object_value, min_value, max_value)
    {
    //if value is in range then return true else return false

    if (object_value.length == 0)
        return true;


    if (!_CF_checknumber(object_value))
	{
	return false;
	}
    else
	{
	return (_CF_numberrange((eval(object_value)), min_value, max_value));
	}
	
    //All tests passed, so...
    return true;
    }



function _CF_checkphone(object_value)
    {
    if (object_value.length == 0)
        return true;
		
    if (object_value.length != 12)
        return false;

	// check if first 3 characters represent a valid area code
    if (!_CF_checknumber(object_value.substring(0,3)))
		return false;
    else
	if (!_CF_numberrange((eval(object_value.substring(0,3))), 100, 1000))
		return false;

	// check if area code/exchange separator is either a'-' or ' '
	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")
        return false

	// check if  characters 5 - 7 represent a valid exchange
    if (!_CF_checknumber(object_value.substring(4,7)))
		return false;
    else
	if (!_CF_numberrange((eval(object_value.substring(4,7))), 100, 1000))
		return false;
	
	// check if exchange/number separator is either a'-' or ' '
	if (object_value.charAt(7) != "-" && object_value.charAt(7) != " ")
        return false;

	// make sure last for digits are a valid integer
	if (object_value.charAt(8) == "-" || object_value.charAt(8) == "+")
        return false;
	else
	{
		return (_CF_checkinteger(object_value.substring(8,12)));
	}
    }



function _CF_checkzip(object_value)
    {
    if (object_value.length == 0)
        return true;
		
    if (object_value.length != 5 && object_value.length != 10)
        return false;

	// make sure first 5 digits are a valid integer
	if (object_value.charAt(0) == "-" || object_value.charAt(0) == "+")
        return false;

	if (!_CF_checkinteger(object_value.substring(0,5)))
		return false;

	if (object_value.length == 5)
		return true;
	
	// make sure

	// check if separator is either a'-' or ' '
	if (object_value.charAt(5) != "-" && object_value.charAt(5) != " ")
        return false;

	// check if last 4 digits are a valid integer
	if (object_value.charAt(6) == "-" || object_value.charAt(6) == "+")
        return false;

	return (_CF_checkinteger(object_value.substring(6,10)));
    }
	
function _CF_checkdate(object_value)
    {
    //Returns true if value is a date format or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a date in the mm/dd/yyyy format
	isplit = object_value.indexOf('/');

	if (isplit == -1 || isplit == object_value.length)
		return false;

    sMonth = object_value.substring(0, isplit);

	if (sMonth.length == 0)
        return false;

	isplit = object_value.indexOf('/', isplit + 1);

	if (isplit == -1 || (isplit + 1 ) == object_value.length)
		return false;

    sDay = object_value.substring((sMonth.length + 1), isplit);

	if (sDay.length == 0)
        return false;

	sYear = object_value.substring(isplit + 1);

	if (!_CF_checkinteger(sMonth)) //check month
		return false;
	else
	if (!_CF_checkrange(sMonth, 1, 12)) //check month
		return false;
	else
	if (!_CF_checkinteger(sYear)) //check year
		return false;
	else
	if (!_CF_checkrange(sYear, 0, 9999)) //check year
		return false;
	else
	if (!_CF_checkinteger(sDay)) //check day
		return false;
	else
	if (!_CF_checkday(sYear, sMonth, sDay)) // check day
		return false;
	else
		return true;
    }



function _CF_checkday(checkYear, checkMonth, checkDay)
    {

	maxDay = 31;

	if (checkMonth == 4 || checkMonth == 6 ||
			checkMonth == 9 || checkMonth == 11)
		maxDay = 30;
	else
	if (checkMonth == 2)
	{
		if (checkYear % 4 > 0)
			maxDay =28;
		else
		if (checkYear % 100 == 0 && checkYear % 400 > 0)
			maxDay = 28;
		else
			maxDay = 29;
	}

	return _CF_checkrange(checkDay, 1, maxDay); //check day
    }