// JavaScript Document

<script type="text/javascript">
var $jQ = jQuery.noConflict();

$jQ(document).ready(function(){

   //-----
   //------------- CHANGE THESE!!! --------------------
   //-----

      // Change this to match domains of referrers you want to ignore.
      // You'll want to ignore referrers from your own domains.
      // Use only the base domain name without subdomains (ex. "company.com")
      // Separate multiple domains with commas (leave the brackets).
  var excludedReferrers = [ "zmags.com", "zmags.dk", "zmags.se", "zmags.no", "zmags.co.uk" ];

      // Change this to match the base domain of your company's landing pages.
      // Cookies will be created with this domain.
      // Ex. If your landing page domain is "pages.yourcompany.com" then use
      //     "yourcompany.com"
  var cookieDomain = "zmags.com";

      // The URL parameter that has your pay-per-click info.
      // Typically "kw" or "keyword" (depends on how you set up your PPC URLs)
  var payPerClickParameter = "kw";

   //-----
   //----- you probably shouldn't change anything after this -----
   //-----


  var refer = document.referrer;
  var searchString;
  var searchEngine;

      // if there's no referrer, do nothing
  if ( (refer == undefined) || (refer == "") ) {
      ;
  } else {

       // get the domain of the referring website -- http://[[this-thing.com]]/
    var referrerDomain =
        refer.substr(refer.indexOf("\/\/") + 2,
                     refer.indexOf("\/",8) - refer.indexOf("\/\/") - 2).toLowerCase();

    var excludedDomainFound = false;
    var i = 0;

      // search the excluded domain list to see if the referrer domain is on it
    while ( (i < excludedReferrers.length) && !excludedDomainFound) {
      var thisExcludedDomain = excludedReferrers[i].toLowerCase();

         // weird semantics here -- indexOf returns "-1" if the search string isnt found.
         // thus excludedDomainFound is true only when indexOf matches an excluded domain (!= -1)
      excludedDomainFound = (referrerDomain.indexOf(thisExcludedDomain) != -1);
      i++;
    }

     // only if the referrer isn't in our excluded domain list...
    if( !excludedDomainFound ) {

         // extract the URL parameters from common search engines
         // To add your own, each engine needs a:
         //    name: how the search engine will appear on your Marketo leads
         //    url: REGEX for matching the engine's referrer.  ex.  /\.google\./i
         //    query: URL parameter that contains the search query - usually "p" or "q"

      var searchEngines = [
            { name: "Yahoo", url: /\.yahoo\.co/i, query: "p" },
            { name: "Google", url: /\.google\./i, query: "q" },
            { name: "Microsoft Live", url: /\.live\.com/i, query: "q" },
            { name: "MSN Search", url: /search\.msn\./i, query: "q" },
            { name: "AOL", url: /\.aol\./i, query: "query" },
            { name: "Bing", url: /\.bing\.com/i, query: "q" },
            { name: "Ask", url: /\.ask\.com/i, query: "q" }
          ];

           // find the referring search engine (if any)
      i = 0;
      while (i < searchEngines.length) {
        if (refer.match(searchEngines[i].url)) {
          searchEngine = searchEngines[i].name;
          searchString = $jQ.getQueryString({ ID: searchEngines[i].query,
                                              URL: refer,
                                              DefaultValue: "" });
          break;
        }
        i++;
      }

         // If no search engine is found, this person probably used a less
         // popular one.  Use the referring doman, then guess the query parameter
      if (i == searchEngines.length) {

         searchEngine = referrerDomain;

         var queries = ["q","p","query"];
         var i = 0;
         while ((i < queries.length) && (searchString == undefined)) {
           searchString = $jQ.getQueryString({ ID: queries[i],
                                               URL: refer });
           i++;
         }

           // no search strings found -- use this text instead.
         if (searchString == undefined) {
           searchString = "None";
         }
      }

         // Use the provided URL parameter to get the PPC keyword.
      var payPerClickWord =
        $jQ.getQueryString({ID: payPerClickParameter,
                            URL: refer,
                            DefaultValue: "" });

         // Put the info into cookies.  These values will be extracted
         // and put into a Marketo form later. Expires in 2 years.
      $jQ.cookie('mktoPPCKeyword', payPerClickWord,
                  {expires: 730, path: '\/', domain: cookieDomain});
      $jQ.cookie('mktoSearchEngine', searchEngine,
                  {expires: 730, path: '\/', domain: cookieDomain});
      $jQ.cookie('mktoSearchString', searchString,
                  {expires: 730, path: '\/', domain: cookieDomain});
    }
  }
});

</script>