BIS conversion tracking

gistfile1.txt

if (window.location.toString().match(/bis_id/)) {
        function getJsonFromUrl() {
            var query = location.search.substr(1);
            var data = query.split("&");
            var result = {};
            for(var i=0; i<data.length; i++) {
              var item = data[i].split("=");
              result[item[0]] = item[1];
            }
		  return result;
		}

    var data = getJsonFromUrl();
    $.ajax({url: '/cart/update.js', method: 'post', data: { attributes: { bis_id: data['bis_id'] }}})
}