function jLaunchWindow( sURL, sWidth, sHeight ){
	sParams = "'directories=no,height=300,location=no,menubar=no,resizable=no,scrollbars=no,status=no,width=" + sWidth + ",height=" + sHeight + ",toolbar=no'"
	 newWin = window.open( sURL,'Help', sParams);
}

function jfIsValid( sValue, strValidChars  ) {
	var isValid = new Boolean()
	isValid=true
	var myChar=""
	var myInt=0

	if (sValue!="" && typeof(sValue)=="string") {
		for (i=0;i<sValue.length;i++) {
			myChar=sValue.charAt(i)
			myInt=strValidChars.indexOf(myChar)

			if (myInt == -1) {
				isValid=false
				break;
			}
		}
	}
	else {
		isValid=false
	}

	return isValid
}

function jfIsDate(data,datename)
{

// function created : 31.12.03
// created by 		: Farrakh Aslam
// input paramaters : data     - the formname
//datename - the fieldname specified when calling the vbscript date box function
// description      : Can be used to validate any of the vbscript date box functions
data = "document." + data + "."

var day   = eval( data + datename + "_d.value")
var month = eval( data + datename + "_m.value")
var year  = eval( data + datename + "_y.value")

var calcYear = (year % 4 == 0)
if (!calcYear)
	{
	leapDays = 28
	}
else
	{
	leapDays = 29
	}

if (month == 02)
	{
	if (day > leapDays)
	   {
	   return false;
	   }


	}
else if (month == 04 || month == 06 || month == 09 || month == 11)
	{
	if (day > 30)
	   {
	   return false;
	   }

	}
return true;
}

function jfIsEmail(incoming) {

	var emailstring = incoming;
	var ampIndex = emailstring.indexOf("@");
	var afterAmp = emailstring.substring((ampIndex + 1), emailstring.length);
		// find a dot in the portion of the string after the ampersand only
	var dotIndex = afterAmp.indexOf(".");
		// determine dot position in entire string (not just after amp portion)
	dotIndex = dotIndex + ampIndex + 1;
		// afterAmp will be portion of string from ampersand to dot
	afterAmp = emailstring.substring((ampIndex + 1), dotIndex);
		// afterDot will be portion of string from dot to end of string
	var afterDot = emailstring.substring((dotIndex + 1), emailstring.length);
	var beforeAmp = emailstring.substring(0,(ampIndex));

	var email_regex = /^\w(?:\w|-|\.(?!\.|@))*@\w(?:\w|-|\.(?!\.))*\.\w{2,3}/
		// index of -1 means "not found"
	if ((emailstring.indexOf("@") != "-1") &&
		(emailstring.length > 5) &&
		(afterAmp.length > 0) &&
		(beforeAmp.length > 1) &&
		(afterDot.length > 1) &&
		(email_regex.test(emailstring)) ) {
		  return true;
	} 
	else {
			return false;
	}
}

function jfIsPhoneNum( sValue ) {

	var isPhoneNum = new Boolean()
	isPhoneNum=true
	var myChar=""
	var myInt=0
	var strValidChars = "0123456789 ";

	if (sValue!="" && typeof(sValue)=="string") {
		for (i=0;i<sValue.length;i++) {
			myChar=sValue.charAt(i)
			myInt=strValidChars.indexOf(myChar)

			if (myInt == -1) {
				isPhoneNum=false
			}
		}

	} else {
		isPhoneNum=false
	}
	
	return isPhoneNum
}

function jfIsInt( sValue ) {
	var isInteger = new Boolean()
	isInteger=true
	var myChar=""
	var myInt=0

	if (sValue!="" && typeof(sValue)=="string") {
		for (i=0;i<sValue.length;i++) {
			myChar=sValue.charAt(i)
			myInt=parseInt(myChar)

			if (isNaN(myInt)) {
				isInteger=false
			}
		}

	} else {
		isInteger=false
	}

	return isInteger
}


function jcharacterlimit( iMax ){
	frm = document.frmComment
	if( frm.txtComment.value.length > iMax ){
		alert("The comment can not be greater than " + iMax + " charcters in length.")
	}
}



function jsBack( iMode ){

	frm = document.frmAccount
	//frm.txtMode.value = iMode
	//frm.txtStep.value = 1
	//frm.submit();
	history.go(-2)
	
}

function jfHelp( iHelp ){

}

function jsubmitaccount( iMode ){
	frm = document.frmAccount
	var iError = -1
	cssNormal = "textnormal"
	cssRequired =  'textred'
	cssInvalid =  'textblue'

	sAlpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz- '()"

// ==== Personal Details ==== //

	// Full Name //
	if (frm.txtFullName.value ==""){
		frm.txtFullName.focus()
		alert("Please enter your full name.")
		return;
	}
	else if (frm.txtFullName.value.length < 3){
		frm.txtFullName.focus()
		alert("Your full name must be 3 or more characters in length.")
		return;
	}
	else if (jfIsValid (frm.txtFullName.value, sAlpha) == false){
		frm.txtFullName.focus()
		alert("Your full name must contain alphabetic characters only.")
		return;
	}

	// Email Address //
	if ( frm.txtEmail.value == ""){
		frm.txtEmail.focus()
		alert("Please enter your email address.")
		return;
	}
	else if ( jfIsEmail(frm.txtEmail.value) == false){
		frm.txtEmail.focus()
		alert("Please enter a valid email address.")
		return;
	}


// Password //
	if ( frm.txtPassword.value.length < 6 ){
		frm.txtPassword.focus()
		alert("Your password must be 6 or more characters in length.")
		return;
	}
	else if (jfIsValid (frm.txtPassword.value, sAlpha) == false){
		frm.txtPassword.focus()
		alert("Your password must contain alphabetic characters only.")
		return;
	}

// Home Tel //
	if ( frm.txtTel.value.length < 11 ){
		frm.txtTel.focus()
		alert("Please enter a valid telephone number.")
		return;
	}
	else if ( jfIsPhoneNum(frm.txtTel.value) == false){
		frm.txtTel.focus()
		alert("Please enter a valid telephone number.")
		return;
	}


// House Number //
	if ( frm.txtAdd1.value == ""){
		frm.txtAdd1.focus()
		alert("Please enter the first line of your address.")
		return;
	}
	else {
		document.getElementById( 'tr_6' ).className = cssNormal
	}
// City //
	if ( frm.txtCity.value == "" ){
		frm.txtCity.focus()
		alert("Please enter your town/city.")
		return;
	}

// County //
	if ( frm.txtCounty.value == "" ){
		frm.txtCounty.focus()
		alert("Please enter your county.")
		return;
	}

// Postcode //
	if ( frm.txtPostcode.value == "" ){
		frm.txtPostcode.focus()
		alert("Please enter your postcode.")
		return;
	}
	else if ( frm.txtPostcode.value.length < 6 ){
		frm.txtPostcode.focus()
		alert("Please enter a valid postcode.")
		return;
	}
	else {
		document.getElementById( 'tr_10' ).className = cssNormal
	}

//===Submit form if no errors found ===/

	frm.txtMode.value = iMode
	if (iMode > 0 ){
		frm.action = "account.asp"
	}
	//alert(frm.txtMode.value)
	frm.submit();

}


function jfIsDate(data,datename)
{

// function created : 31.12.03
// created by 		: Farrakh Aslam
// input paramaters : data     - the formname
//					  datename - the fieldname specified when calling the vbscript date box function
// description      : Can be used to validate any of the vbscript date box functions

var day   = eval("data." + datename + "_d.value")
var month = eval("data." + datename + "_m.value")
var year  = eval("data." + datename + "_y.value")


var calcYear = (year % 4 == 0)
if (!calcYear)
	{
	leapDays = 28
	}
else
	{
	leapDays = 29
	}

if (month == 02)
	{
	if (day > leapDays)
	   {
	   return false;
	   }
	}
else if (month == 04 || month == 06 || month == 09 || month == 11)
	{
	if (day > 30)
	   {
	   return false;
	   }

	}
return true;
}


function jquicksearch(){

		frm = document.frmQuickSearch
		frm.submit()

}

function jcallback(){

	frm = document.frmCallback

	if (frm.txtName.value == ""){
		alert("Please enter your Full Name.")
		frm.txtName.focus()
		return;
	}
	else if (frm.txtHomeTel.value == ""){
		alert("Please enter a contact Telephone Number.")
		frm.txtHomeTel.focus()
		return;
	}

	frm.submit()
}

function jintroducers(){

	frm = document.frmIntroducers
	var iError = -1
	cssNormal = "text-sml"
	cssRequired =  'text-red'
	cssInvalid =  'text-blue'

	sAlpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz- '()"


	// First Name //
	if (frm.txtName.value ==""){
		frm.txtName.focus()
		alert("Please enter your full name.")
		return;
	}
	else if (frm.txtName.value.length < 3){
		frm.txtName.focus()
		alert("Your full name must be greater than 3 characters in length.")
		return;
	}

	frm.submit()

}


function jtakethetest(){
	frm = document.frmTakeTheTest
	var iError = -1
	cssNormal = "text-sml"
	cssRequired =  'text-red'
	cssInvalid =  'text-blue'

	sAlpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz- '()"


	// First Name //
	if (frm.txtName.value ==""){
		frm.txtName.focus()
		alert("Please enter your full name.")
		return;
	}
	else if (frm.txtName.value.length < 3){
		frm.txtName.focus()
		alert("Your full name must be greater than 3 characters in length.")
		return;
	}


// Home Tel //
	if ( frm.txtHomeTel.value.length < 11 ){
		frm.txtHomeTel.focus()
		alert("Please enter a valid home phone number.")
		return;
	}
	else if ( jfIsPhoneNum(frm.txtHomeTel.value) == false){
		frm.txtHomeTel.focus()
		alert("Please enter a valid home phone number.")
		return;
	}


//===Submit form if no errors found ===/

	if ( iError == -1 ){
		frm.txtMode.value = 1
		frm.submit();
	}

}

function jsubmittakethetest(){

	frm = document.frmTakeTheTest
	frm.txtMode.value = 1
	frm.submit()
}

function jredrawtakethetest(iPage){

	frm = document.frmTakeTheTest
	sURL = location.href
	if ( sURL.indexOf("?") == -1){
		sURL = sURL + '?#a1'
	}
	else{
		sURL = sURL + '&#a1'
	}
	frm.action = sURL
	frm.submit()
}