$(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 = [ "quaero.csgi.com" ];

	  // 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 = "csgi.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 = "payPerClickWord";

   //-----
   //----- 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 = $.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 = $.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 = 
		$.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.
	  $.cookie('mktoPPCKeyword', payPerClickWord,
				  {expires: 730, path: '\/', domain: cookieDomain});
	  $.cookie('mktoSearchEngine', searchEngine,
				  {expires: 730, path: '\/', domain: cookieDomain});
	  $.cookie('mktoSearchString', searchString,
				  {expires: 730, path: '\/', domain: cookieDomain});
	}
  } 
});