var RADIO_OFFERS = {
    'digi' : {aId:8081,cId:10180316,persist:true},
	'digi+t' : {aId:8081,cId:10180318,persist:true},
	'cd' : {aId:8081,cId:10180320,persist:true},
	'cd+t' : {aId:8081,cId:10180322,persist:true},
	'vinyl' : {aId:8081,cId:10180323,persist:true},
	'vinyl+t' : {aId:8081,cId:10180324,persist:true},
	'deluxe' : {aId:8081,cId:10180326,persist:true},
	'deluxe+t' : {aId:8081,cId:10180327,persist:true}
};

function radioValue (radioGroup) {
    if (radioGroup)
    {
        for (var i = 0; i < radioGroup.length; i++)
        {
            if (radioGroup[i].checked)
            {
                var retVal = radioGroup[i].value;
                radioGroup = null;
                return retVal;
            }
        }
    }
    return null;
};

function radioSelect (formRef) {
    var radios = formRef;
    var value = radioValue(radios);
    if (value === null) {
        alert("Please select a package.");
    }
    var initHash = RADIO_OFFERS[value];
    if (initHash) {
        TSPurchase.load(initHash);
    }
}

function dropdownSelect(selectName) {
    var selectRef = document.getElementById(selectName);
    var value = selectRef.value;

    if (value == "") {
        alert("Please select a package.");
    }
    
    var initHash = RADIO_OFFERS[value];
    if (initHash) {
        TSPurchase.load(initHash);
    }
}