/** For next jump tracking **/
function getUrlVars() {
  var vars = [], hash;
  var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
  for(var i = 0; i < hashes.length; i++) {
    hash = hashes[i].split('=');
    vars.push(hash[0]);
    vars[hash[0]] = hash[1];
  }
  return vars;
}

var u1 = null;
if (nsc.cookie('u1') != null) {
  u1 = nsc.cookie('u1');
} else if (getUrlVars()['u1'] != undefined) {
  u1 = getUrlVars()['u1'];
  nsc.cookie('u1', u1);
}