gistfile1.txt

/* piggyback dataLayer data and store in Conversion object */
var Conversion = {}, item, i, conv;
if (dataLayer[0].google_tag_params) {
    for (item in dataLayer[0].google_tag_params) {
        if(dataLayer[0].google_tag_params.hasOwnProperty(item)){
            Conversion[item] = dataLayer[0].google_tag_params[item];
        }
    }
}
for (i=0;i<dataLayer.length;i+=1) {
    for (conv in dataLayer[i]) {
        if(dataLayer[i].hasOwnProperty(conv)){
            if (conv === "orderid") {
                Conversion[conv] = dataLayer[i][conv];
            }
            if (conv === "amount") {
                Conversion[conv] = dataLayer[i][conv];
            }
            if (conv === "pids") {
                Conversion[conv] = dataLayer[i][conv];
            }
        }
    }
}