title: error: Cannot read property 'split' of undefined
body: <p>I am getting a value as a string from <code>cookie</code> which has multiple values stored in it.<br>
  I am separating these values with the use of the <code>split()</code> function, but I am  getting an error continuously. Here is my code. It would be a great help if anyone can help me out with this.</p>
  
  <pre><code>var sourcez = jQuery.cookie("Source");
  var mediumz = jQuery.cookie("Medium");
  
  function utmze(eutmz) {
    var utmz_val = jQuery.cookie("__utmzz");
  
    for (var o = utmz_val, r = o.split("|"), a = 0; (a &lt; r.length); a++) {
      var t = r[a].split("=");
  
      if (t[0] == eutmz) {
        return t[1];
      }
    }
  }
  </code></pre>