// JavaScript Document

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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 isEmail(emailStr) {

	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
		return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			return false
			}
		}
		return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   return false
	}

	if (len<2) {
	   return false
	}

	return true;
}

function checkform(){
	var err = '';
	var doc = document.frm2

	if( doc.Con_Name.value == ''){
		err = "Please enter your name";
		doc.Con_Name.focus();
	}
	else if( doc.Con_Email.value == ''){
		err = "Please enter a valid email address";
		doc.Con_Email.focus();
	}
	else if( doc.Con_Phone.value == ''){
		err = "Please enter a valid telephone number";
		doc.Con_Phone.focus();
	}
	else if( doc.Con_Enquiry.value == ''){
		err = "Please fill out your enquiry";
		doc.Con_Enquiry.focus();
	}	
	else if(!isEmail(doc.Con_Email.value)){
		err = "The email address you have entered is not valid";
		doc.Con_Email.focus();
		doc.Con_Email.select();
	}
	if(err == '')
		return true;
	else{
		alert( err );	
		return false;
	}
}

function checkoptions(){
	var err = '';
	var doc = document.formbasket

	//if( doc.Alterations.checked ){
	//	if( doc.ALTlength.value == ''){
	//	err = "Please select an Alteration Length!";
	//	doc.ALTlength.focus();
	//	}
	//}
	if( doc.Option_name.value == ''){
		err = "Please select a Size / Option!";
		doc.Option_name.focus();
	}

	if(err == '')
		return true;
	else {
		alert( err );	
		return false;
	}
}

function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function toggle(id)
{
	el = document.getElementById(id);
	var display = el.style.display ? '' : 'none';
	el.style.display = display;
}
function clearname() {
	if (document.newsletter.Name.value == "Your Name...") {
		document.newsletter.Name.value = "";
	}
}
function clearemail() {
	if (document.newsletter.email.value == "Your Email Address...") {
		document.newsletter.email.value = "";
	}
}
function clearsearch() {
	if (document.search.txtSearch.value == "Search Our Products...") {
		document.search.txtSearch.value = "";
	}
}
function checknewsletter(){
	var err = '';
	var doc = document.newsletter
	
	if( doc.Name.value == ''){
		err = "Please enter your name";
		doc.Name.focus();
	}
	else if( doc.email.value == ''){
		err = "Please enter a valid email address";
		doc.email.focus();
	}
	else if(!isEmail(doc.email.value)){
		err = "The email address you have entered is not valid";
		doc.email.focus();
		doc.email.select();
	}
	if(err == '')
		return true;
	else{
		alert( err );	
		return false;
	}
}