function add_to_cart()
	{
	for (var i=0; i < document.orderform.item.length; i++)
		{
		if (document.orderform.item[i].checked)
			{
			var rad_val = document.orderform.item[i].value;
			}
		}
	url_to_open = "cart_add.php?item=" + rad_val;
	window.open(url_to_open,'cart','width=400,height=300')
 	}

function val_oform()
	{
	err = 0;
	msg = "";
	reExp = new RegExp("[\\w\_-]+@[\\w\_-]+\\.[\\w\_-]+");

	if(document.orderform.bname.value == "")
		{
		err = 1;
		msg = msg + "Please enter the name for Billing\n";
		}
	if(document.orderform.baddress.value == "")
		{
		err = 1;
		msg = msg + "Please enter the address for Billing\n";
		}
	if(document.orderform.bcity.value == "")
		{
		err = 1;
		msg = msg + "Please enter the city for Billing\n";
		}
	if(document.orderform.bstate.value == "")
		{
		err = 1;
		msg = msg + "Please select a state for Billing\n";
		}
	if(document.orderform.bstate.value == "Not in the U.S." && document.orderform.bstate_other.value == "")
		{
		err = 1;
		msg = msg + "Please enter your state name\n";
		}
	if(document.orderform.bzip.value == "")
		{
		err = 1;
		msg = msg + "Please enter the zip for Billing\n";
		}
	if(document.orderform.bcountry.value == "")
		{
		err = 1;
		msg = msg + "Please enter the country for Billing\n";
		}
	if(document.orderform.bphone.value == "")
		{
		err = 1;
		msg = msg + "Please enter the phone number for Billing\n";
		}
	if (!(reExp.test(document.orderform.bemail.value)))
		{
		err = 1;
		msg = msg + "Email missing or not in correct format\n";
		}
	if(document.orderform.ccno.value == "")
		{
		err = 1;
		msg = msg + "Please enter the Credit Card Number\n";
		}
	if(document.orderform.ccardex_y.value == "")
		{
		err = 1;
		msg = msg + "Please enter the expiry year of the credit card\n";
		}
	if(document.orderform.ccdigitcode.value == "")
		{
		err = 1;
		msg = msg + "Please enter the security code\n";
		}
	if(document.orderform.sstate.value == "New Jersey")
		{
		alert("Orders shipped to New Jersey will be charged a 7% sales tax!");
		}

	if (err)
		{
		alert(msg);
		return false;
		}
	return true;
	}

function adddet()
	{
	document.orderform.ssname.value = document.orderform.bname.value;
	document.orderform.saddress.value = document.orderform.baddress.value;
	document.orderform.scity.value = document.orderform.bcity.value;
	document.orderform.sstate.value = document.orderform.bstate.value;
	document.orderform.szip.value = document.orderform.bzip.value;
	}