window.name = "teapottery";

function popup() {window.open('/popup.htm', 'Popup', 'width=400,height=320')}

function basket()
	{if(e=document.getElementById("checkout")){e.action='/shop/basket.php';e.submit()}}
	
function check_cart(fm)	
	{
	qty = parseInt(document.getElementById("bqty").value)	
	del	= parseInt(document.getElementById("del").value)
		
	if((del==2 || del==6 || del==7) && qty<2)
		{alert("You must order at least 2 pots for Non UK Mainland Delivery");return false;}
	else if (del==8 && qty<5)
		{alert("You must order at least 5 pots for Rest of the World Delivery");return false;}
	
	if(del==8) fm.action = '/shop/poa.php'
	else fm.action = '/shop/checkout.php'
	
	mt=true;
	checker(fm.name,'You must enter your name')
	email(fm.email)
	checker(fm.addr1,'You must enter the first line of your address')
	checker(fm.postcode,'You must enter your Post Code')
	checker(fm.country,'You must specify the delivery country')	
	return mt;
	}
	
// --- Form Validation ---
function checker(obj,msg)
	{if(obj.value=="" && mt==true)message(obj,msg)}
	
function chnum(obj,msg)
	{
	for(var k=0;k<parseInt(obj.value.length);k++)
		{var a=obj.value.charAt(k);if(((a<"0" || a>"9") && a!=".") && mt==true){alert(msg);mt=false}}
	}
	
function message(obj,msg)
	{alert(msg);obj.focus();mt=false}
	
function email(obj)
	{
	var emailStr=obj.value;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) && mt==true){message(obj,"Email address seems incorrect (check @ and .'s)")}
	if (mt==true){var user=matchArray [1];var domain=matchArray [2];if (user.match(userPat)==null)message(obj,"The username doesn't seem to be valid.")}
	if (mt==true){var IPArray=domain.match(ipDomainPat);if (IPArray!=null){for (var j=1;j<=4;j++){if (IPArray[j]>255)message(obj,"Destination IP address is invalid!")}}}
	if (mt==true){var domainArray=domain.match(domainPat);if (domainArray==null)message(obj,"The domain name doesn't seem to be valid.")}
	if (mt==true){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>4)message(obj,"The address must end in a two,three or four letter domain")}
	if ((len<2) && mt==true)message(obj,"This address is missing a hostname!");
	}