GA_VID_js

UAGA_analytics_js_code.js

<script>
 var clientId = ga.getAll()[0].get('clientId');
 dataLayer.push({
    'UAID': clientId,
    'event': 'UAID'
 });
</script>

Updated_code.js

// Extracts the Visitor ID from a GA cookie written by @craig552uk github
function _goog_id(){
  var id, a, c = document.cookie.split('; ');
  for(i in c){a = c[i].split('=');if(a[0]=='__utma'){id = a[1].split('.')[1];}}
  return id || 'unknown';
}

var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-XXXXX-X']);
_gaq.push(['_trackPageview']);
_gaq.push(function(){_gaq.push(['_setCustomVar',5,'VisitorID',_goog_id(),1]);});

(function() {
  var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
  ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();

UTM_ID.js

/* Google Analytics UTM ID written by Tim Griffin */
$(function() {
    function _uxGetCookie(c_name) {
        var c_value = document.cookie;
        var c_start = c_value.indexOf(" " + c_name + "=");
        if (c_start == -1) c_start = c_value.indexOf(c_name + "=");
        if (c_start == -1) {
            c_value = null;
        } else {
            c_start = c_value.indexOf("=", c_start) + 1;
            var c_end = c_value.indexOf(";", c_start);
            if (c_end == -1) {
                c_end = c_value.length;
            }
            c_value = unescape(c_value.substring(c_start, c_end));
        }
        return c_value;
    }
    if (_uxGetCookie('_utma')) {
        var utma = _uxGetCookie('_utma').split('.');
        _gaq.push(['_setCustomVar', 1, 'UTM ID', utma[1] + '.' + utma[2], 1]);
    }
});