var RADIO_OFFERS = {
    'download' : {aId:1528,bId:62429,cId:10033568,persist:true},
    'download+shirt' : {aId:1528,bId:62437,cId:10033570,persist:true},
    'cd+download' : {aId:1528,bId:62440,cId:10033571,persist:true},
    'cd+download+shirt' : {aId:1528,bId:62442,cId:10033573,persist:true},
    '12+download' : {aId:1528,bId:62444,cId:10033574,persist:true},
    '12+download+shirt' : {aId:1528,bId:62448,cId:10033576,persist:true},
    'deluxe+download' : {aId:1528,bId:62450,cId:10033577,persist:true},
    'deluxe+download+shirt' : {aId:1528,bId:62451,cId:10033578,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);
    }
}