function changeqty(ItemNo, Qty, Tt) {
	var Quantity = window.prompt(Tt + "\n Enter new quantity or '0' to remove product from the cart.",Qty);
	if (Quantity) {
		document.changeorder.changequantity.value = Quantity;
		document.changeorder.orderitemno.value = ItemNo;
		document.changeorder.submit();
	}
}
function checkdata() {
	var qstring = 0;
	var deliver = 0;
	//check if there are orders
	if (document.checkout.quantity.value==0){
		alert("There are no items in the cart.");
		 return false;
	}
	for (counter = 0; counter < document.checkout.deliver.length; counter++) {
		if (document.checkout.deliver[counter].checked) {
		 deliver = counter + 1;
	 }
	}
	if (deliver==0) {return false;}
	if (deliver==3) {
		if (document.checkout.store.selectedIndex == 0) {
			window.alert("Please select the store where the order will be collected");
			return false;
		}
	}
	if (document.checkout.bonus) {
		if (document.checkout.bonus.checked) {document.gonext.bonus.value="Y";}
	}
	document.gonext.delivery.value=deliver;
	document.gonext.store.value=document.checkout.store[document.checkout.store.selectedIndex].value;
	document.gonext.submit()
}