// JavaScript Document
function clearSearch(frmSearch){
  document.frmSearch.keyword.value = '';
}

function clearMailingName(frmMail){
  document.frmMail.mailing_name.value = '';
}

function clearMailingEmail(frmMail){
  document.frmMail.mailing_email.value = '';
}
function checkOptions(length)
{
	if (document.getElementById("price_type").value == "size" && document.getElementById("length").value == ""){
		alert("Please enter the length you require...");
		document.getElementById("length").focus();
		return false;
	}
	
	for(var i = 0; i <= length; i++)
	{
		if(document.getElementById("range_option_id"+i).value == ""){
			alert("Please ensure you have selected all options available.")
			document.getElementById("range_option_id"+i).focus();
			return false;
		}
	}
	
}

function showDiv(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementsByTagName("div"); //DynamicDrive.com change
		if(el.style.display != "block"){ //DynamicDrive.com change
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="helpclass") //DynamicDrive.com change
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}


function showControlOption(obj){
	var el = document.getElementById(obj);
	var ar = el;
		el.style.display = "block";
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function evaswap(obj, val){
  obj.src = val;
}


function submitform(trgForm, validator) 
{
	if ( validator != '' )
	{
		eval( "if (" + validator + "('" + trgForm + "')) { document.getElementById('" + trgForm + "').submit(); }" );
	}
	else
	{
		document.getElementById(trgForm).submit();
	}

}

function getForm(form)
{
	if (form.split)
		return document.getElementById(form);
	else
		return form;
}

function check_contact(checkForm) 
{
	var form = getForm(checkForm);
	
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	var justNumbers = /^[0-9]*$/;
	var re = /\s/;									
	if (form.first_name.value == ''){
		alert("Please enter your first name...");
		form.first_name.focus();
		return false;
	}
	if (form.last_name.value == ''){
		alert("Please enter your last name...");
		form.last_name.focus();
		return false;
	}
	if (form.subject.value == ''){
		alert("Please enter a subject...");
		form.subject.focus();
		return false;
	}
	if (form.email.value == '' || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}
	if (form.request.value == ''){
		alert("Please enter your request...");
		form.request.focus();
		return false;
	}
	
	return true;
}

function check_samples(checkForm) 
{
	var form = getForm(checkForm);
	
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	var justNumbers = /^[0-9]*$/;
	var re = /\s/;									
	if (form.name.value == ''){
		alert("Please enter your name...");
		form.name.focus();
		return false;
	}
	if (form.address1.value == ''){
		alert("Please enter your address line 1...");
		form.address1.focus();
		return false;
	}
	if (form.town.value == ''){
		alert("Please enter your town...");
		form.town.focus();
		return false;
	}
	if (form.county.value == ''){
		alert("Please enter your county...");
		form.county.focus();
		return false;
	}
	if (form.postal.value == ''){
		alert("Please enter your post code...");
		form.postal.focus();
		return false;
	}
	if (form.email.value == '' || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}
	return true;
}

function check_search(form) {
	if (form.keywords.value==''){
		alert("Please enter your search terms...");
		form.keywords.focus();
		return false;
	}
}

function clearMailName(){
  document.mailinglist.mailing_name.value = '';
}
function clearMailEmail(){
  document.mailinglist.mailing_email.value = '';
}

function check_mailing(form) {
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	var re = /\s/;
	if (form.mailing_name.value=='' || form.mailing_name.value=='Name'){
		alert("Please enter your name...");
		form.mailing_name.focus();
		return false;
	}
	if (form.mailing_email.value=="" || form.mailing_email.value=="Email" || form.mailing_email.value.match(illegalChars) || !(emailFilter.test(form.mailing_email.value))){
		alert("Please enter a valid email address...");
		form.mailing_email.focus();
		return false;
	}
}

function check_login(form) {					
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	var re = /\s/;
	if (form.email.value=="" || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}
	if (form.password.value == ''){
		alert("Please enter your password...");
		form.password.focus();
		return false;
	}
}


function check_supplier(form) {					
	if (form.email.value==""){
		alert("Please enter your username...");
		form.email.focus();
		return false;
	}
	if (form.password.value == ''){
		alert("Please enter your password...");
		form.password.focus();
		return false;
	}
}
function check_checkout(form) 
{
var emailFilter=/^.+@.+\..{2,3}$/;
var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
var re = /\s/;									
	if (form.billingFirstName.value == ''){
		alert("Please enter your first name...");
		form.billingFirstName.focus();
		return false;
	}								
	if (form.billingLastName.value == ''){
		alert("Please enter your last name...");
		form.billingLastName.focus();
		return false;
	}
	if (form.billingAddress1.value == ''){
		alert("Please enter your billing address...");
		form.billingAddress1.focus();
		return false;
	}
	if (form.billingCity.value == ''){
		alert("Please enter your billing city...");
		form.billingCity.focus();
		return false;
	}
	if (form.billingCounty.value == ''){
		alert("Please enter your billing county...");
		form.billingCounty.focus();
		return false;
	}
	if (form.billingPostcode.value == ''){
		alert("Please enter your billing post code...");
		form.billingPostcode.focus();
		return false;
	}
	var stripped = form.billingTelephone.value.replace(/[\(\)\.\-\ ]/g, '');
	if (form.billingTelephone.value=='' || isNaN(parseInt(stripped))) {
		alert("Your telephone number is incomplete or contain invalid characters...");
		form.billingTelephone.focus();
		return false;
	}
	if (form.billingEmail.value=="" || form.billingEmail.value.match(illegalChars) || !(emailFilter.test(form.billingEmail.value))){
		alert("Please enter a valid email address...");
		form.billingEmail.focus();
		return false;
	}
	if (form.deliveryFirstName.value == ''){
		alert("Please enter your first name...");
		form.deliveryFirstName.focus();
		return false;
	}	
	if (form.deliveryLastName.value == ''){
		alert("Please enter your last name...");
		form.deliveryLastName.focus();
		return false;
	}																
	if (form.deliveryAddress1.value == ''){
		alert("Please your shipping address...");
		form.deliveryAddress1.focus();
		return false;
	}
	if (form.deliveryCity.value == ''){
		alert("Please enter your shipping city...");
		form.deliveryCity.focus();
		return false;
	}
	if (form.deliveryCounty.value == ''){
		alert("Please enter your shipping county...");
		form.deliveryCounty.focus();
		return false;
	}
	if (form.deliveryPostcode.value == ''){
		alert("Please enter your shipping post code...");
		form.deliveryPostcode.focus();
		return false;
	}
	if (form.hear_about.value == ''){
		alert("Please select how you heard about us...");
		form.hear_about.focus();
		return false;
	}
	if (form.optin.checked != true){
		alert("Please read and accept our terms & conditions");
		form.optin.focus();
		return false;
	}
	
}

function toggleBillingInfo(trgForm)
{
    if (trgForm.SubmitBilling.checked == true)
    {
        trgForm.deliveryFirstName.value = trgForm.billingFirstName.value ;
        trgForm.deliveryLastName.value = trgForm.billingLastName.value ;
        trgForm.deliveryAddress1.value = trgForm.billingAddress1.value ;
        trgForm.deliveryAddress2.value = trgForm.billingAddress2.value ;
        trgForm.deliveryCity.value =  trgForm.billingCity.value ;
		trgForm.deliveryCounty.value =  trgForm.billingCounty.value ;
        trgForm.deliveryPostcode.value = trgForm.billingPostcode.value ;
    }
    else
    {
        trgForm.deliveryFirstName.value = "";
        trgForm.deliveryLastName.value = "";
        trgForm.deliveryAddress1.value = "";
        trgForm.deliveryAddress2.value = "";
        trgForm.deliveryCity.value = "";
		trgForm.deliveryCounty.value = "";
        trgForm.deliveryPostcode.value = "";
    }
}

function check_join(form) {
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\'\:\\\/\"\[\]]/;
	if (form.firstname.value == ''){
		alert("Please enter your first name...");
		form.firstname.focus();
		return false;
	}
	if (form.lastname.value == ''){
		alert("Please enter your last name...");
		form.lastname.focus();
		return false;
	}
	var stripped = form.telephone.value.replace(/[\(\)\.\-\ ]/g, '');
	if (form.telephone.value == '' || isNaN(parseInt(stripped))) {
		alert("Your telephone number is incomplete or contains invalid characters...");
		form.telephone.focus();
		return false;
	}
	if (form.email.value == '' || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}
	if (form.email.value != form.emailconf.value){
		alert("Your email did not match...");
		form.emailconf.focus();
		return false;
	}
	if (form.hear_about.value == ''){
		alert("Please tell us how you heard about us...");
		form.hear_about.focus();
		return false;
	}
	if (form.address1.value == ''){
		alert("Please enter your address...");
		form.address1.focus();
		return false;
	}
	if (form.city.value == ''){
		alert("Please enter your city...");
		form.city.focus();
		return false;
	}
	if (form.county.value == ''){
		alert("Please enter your county...");
		form.county.focus();
		return false;
	}
	if (form.postcode.value == ''){
		alert("Please enter your postcode...");
		form.postcode.focus();
		return false;
	}
	if (form.password.value.length < 5){
		alert("Please enter a password of at least 5 characteres...");
		form.password.focus();
		return false;
	}
	if (form.password.value != form.passwordconf.value){
		alert("Your password did not match...");
		form.passwordconf.focus();
		return false;
	}
	
}

function check_updateaccount(form) {
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	if (form.firstname.value == ''){
		alert("Please enter your first name...");
		form.firstname.focus();
		return false;
	}
	if (form.lastname.value == ''){
		alert("Please enter your last name...");
		form.lastname.focus();
		return false;
	}
	var stripped = form.telephone.value.replace(/[\(\)\.\-\ ]/g, '');
	if (form.telephone.value=='' || isNaN(parseInt(stripped))) {
		alert("Your telephone number is incomplete or contains invalid characters...");
		form.telephone.focus();
		return false;
	}
	if (form.email.value=='' || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}			
}

function check_updatepassword(form) {
	if (form.oldpassword.value == ''){
		alert("Please enter your current password...");
		form.oldpassword.focus();
		return false;
	}
	if (form.password.value.length < 5){
		alert("Please enter a new password of at least 5 characteres...");
		form.password.focus();
		return false;
	}
	if (form.password.value != form.passwordconf.value){
		alert("Your passwords did not match...");
		form.passwordconf.focus();
		return false;
	}			
}

function check_updateaddress(form) {
	var emailFilter=/^.+@.+\..{2,3}$/;
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
	if (form.address1.value == ''){
		alert("Please enter your address...");
		form.address1.focus();
		return false;
	}
	if (form.city.value == ''){
		alert("Please enter your city...");
		form.city.focus();
		return false;
	}
	if (form.county.value == ''){
		alert("Please enter your county...");
		form.county.focus();
		return false;
	}
	if (form.postcode.value == ''){
		alert("Please enter your postcode...");
		form.postcode.focus();
		return false;
	}
	if (form.country.value == ''){
		alert("Please select your country...");
		form.country.focus();
		return false;
	}					
}

function check_lostpassword(form) 
{
var emailFilter=/^.+@.+\..{2,3}$/;
var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
var re = /\s/;									
	if (form.email.value == '' || form.email.value.match(illegalChars) || !(emailFilter.test(form.email.value))){
		alert("Please enter a valid email address...");
		form.email.focus();
		return false;
	}									
}