function changeQty (idtomod, qty) {
	document.getElementById(idtomod + "_qty").value = qty;
}



function removeBasket(ref) {

var urlToSubmit = "removeBasket.php?ref=" + ref;

var xmlHttp;
	try
		{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		}
	catch (e)
		{
		// Internet Explorer
		try
			{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			}
		catch (e)
			{
			try
				{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				}
			catch (e)
				{
				alert("Your browser does not support AJAX and you will be unable to view WHOIS Data!");
				return false;
				}
			}
		}
		xmlHttp.onreadystatechange=function()
			{
			if(xmlHttp.readyState==4)
				{
					location.reload(true);
				}
			}
		xmlHttp.open("GET",urlToSubmit,true);
		xmlHttp.send(null);
}



function addBasket(ref) {
qty = document.getElementById(ref + "_qty").value;

var urlToSubmit = "addBasket.php?ref=" + ref + "&qty=" + qty;

var xmlHttp;
	try
		{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		}
	catch (e)
		{
		// Internet Explorer
		try
			{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			}
		catch (e)
			{
			try
				{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				}
			catch (e)
				{
				alert("Your browser does not support AJAX and you will be unable to view WHOIS Data!");
				return false;
				}
			}
		}
		xmlHttp.onreadystatechange=function()
			{
			if(xmlHttp.readyState==4)
				{
					var total = formatCurrency(xmlHttp.responseText);
					document.getElementById("totalPrice").innerHTML = total;
					alert("Item(s) succesfully added to basket.");
				}
			}
		xmlHttp.open("GET",urlToSubmit,true);
		xmlHttp.send(null);
}


function formatCurrency(num) {
	num = num.toString().replace(/\£|\,/g,'');
	if(isNaN(num))
	num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
	cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	return (((sign)?'':'-') + '£' + num + '.' + cents);
}

function order() {
	window.location("confirm.php");
}


function billingsame(form){

if(form.match_address.checked){

     form.register_b_address1.value = form.register_p_address1.value;
     form.register_b_address2.value = form.register_p_address2.value;
     form.register_b_city.value = form.register_p_city.value;
		 form.register_b_county.value = form.register_p_county.value;
     form.register_b_postcode.value = form.register_p_postcode.value;
		 
}
else{
     form.register_b_address1.value = "";
     form.register_b_address2.value = "";
     form.register_b_city.value = "";
		 form.register_b_county.value = "";
     form.register_b_postcode.value = "";
		 

}
}