// check image size options are chosen
function getRadioVal(RadObj) {
	var value = null;
	for (var i=0; i<RadObj.length; i++) {
		if (RadObj[i].checked) {
			value = RadObj[i].value
			break
		}
	}
	//alert(value);	
	if (value == null) {
		//alert("Please first choose a print size, then click Add to Cart.")
	} else {
		var price = 0;
		if (value == "Open Edition Giclee: 5 x 7")      { price = 19;  }
		if (value == "Limited Edition Giclee: 8 x 10")  { price = 35;  }
		if (value == "Limited Edition Giclee: 11 x 14") { price = 55;  }		
		if (value == "Limited Edition Giclee: 18 x 24") { price = 95;  }
		if (value == "Limited Edition Giclee: 24 x 36") { price = 175; }
		//alert("value=" + value + "; price="+ price); 
		document.orders.amount.value = price;
		if (price != 0) { document.orders.submit(); }
	}
	//return value
}