Tradedoubler (revenue) via GTM

<!-- Begin TradeDoubler tag-->
<script type="text/javascript">
function getCookie(name)
{
        var dc = document.cookie;
        var prefix = name + "=";
        var begin = dc.indexOf("; " + prefix);
        if (begin == -1)
               {
               begin = dc.indexOf(prefix);
               if (begin != 0) return null;
               }
else
{
begin += 2;
               }
        var end = document.cookie.indexOf(";", begin);
        if (end == -1)
               {
               end = dc.length;
               }
        return unescape(dc.substring(begin + prefix.length, end));
}
var tduid = getCookie("TRADEDOUBLER");

//Change the org ID to the correct one
var organization=1076811;

//Change event ID
var event= 296972;


// var abou transactions
var ProductID= 'Plans';
var ProductName= 'Premium';
var ProductPrice= {{DL Revenue}};
var NumberOfProducts= '1';


//The unique number sent to TradeDoubler. This number can be changed to an own, //customized format.
var leadNumber = Math.round((new Date().getTime() * Math.random()));

//Build reportInfo, f1 = product ID, f2 = product name, f3 = product price, // f4 =quantity ordered.
var reportInfo = "";
reportInfo = "f1="+ProductID+"&f2="+ProductName+"&f3="+ProductPrice+"&f4="+NumberOfProducts+"|f1="+ P
roductID+"&f2="+ProductName+"&f3="+ProductPrice+"&f4="+NumberOfProducts;
reportInfo = escape(reportInfo);
document.write("<img src=\"https://tbl.tradedoubler.com/report?organization="+organization+"&event="+event+" &leadNumber="+leadNumber+"&orderValue=1&tduid="+tduid+"&reportInfo="+reportInfo+"\" height=1 width=1 border=0>");
</script>
<!-- End TradeDoubler tag-->