How do I extract Google Analytics campaign data from their cookie with Javascript?

Question

I\'d like to be able to pull out the data stored in the Google Analytics tracking cookie with all the campaign tracking information using Javascript. It needs to work with

Answer 1

I've rewritten this to parse the values onto an associative array and make use of quicksmode cookie functions:

function parseAnalyticsCookie() {
    // inspiration from http://stackoverflow.com/questions/1688657/how-do-i-extract-google-analytics-campaign-data-from-their-cookie-with-javascript
    // readCookie is from // http://www.quirksmode.org/js/cookies.html
    // utmcsr = utm_source
    // utmccn = utm_campaign
    // utmcmd = utm_medium
    // utmctr = utm_term
    // utmcct = utm_content
    var values = {};
    var cookie = readCookie("__utmz");
    if (cookie) {
        var z = cookie.split('.'); 
        if (z.length >= 4) {
            var y = z[4].split('|');
            for (i=0; i