// JavaScript Document

function checkItem() {
	
	var productType;
	productType = document.getElementById('product_type').value;
	if (productType == 0) {
		alert('Please select an item');
		return false;
	} else {
		return true;
	}
	
}

function updateCartAmount(name) {

	var productType = document.getElementById('product_type').value;
	

	if (productType != 0) {
		if (productType == "CD") {
			
			document.getElementById('amount').value = 8.90;
			document.getElementById('item_name').value = name + " - CD";
			
		} else {
			document.getElementById('amount').value = 5.40;
			document.getElementById('item_name').value = name + " - Cassette";
		}
	}
	
}