// JavaScript Cookie Code - create cookie on first visit, saving referer info.
// This info is then available in the script's variables.

var cDomain = self.location.hostname;

// Strip any "http://www." so we just get the domain name of OUR PAGE
if(cDomain.indexOf(".") < cDomain.lastIndexOf(".")){
  var domainOffset = cDomain.indexOf(".")+1
  cDomain = cDomain.substr(domainOffset);
}

// If referrer is not this domain and not blank and cookie not already stored:
if(document.referrer.indexOf(cDomain)==-1 && document.referrer!="" && document.cookie.indexOf("referrer=")==-1){
var expDays = 90;
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
var refdate = new Date();
// gup function gets a parameter from the user's URL. This is a secondary method of tracking.
// but there's no need to use it.
var refparam = gup( 'ref' );
var ref = document.referrer;
if (refparam.length > 0) ref = refparam;
ref = ref.substr(0,30);
document.cookie = "referrer=" + escape(ref + "&&&" + refdate.toGMTString()) + "; expires=" + exp.toGMTString() + "; path=/" + "; domain=" + cDomain;
}

var allCookies = document.cookie;
var cPos = allCookies.indexOf("referrer=");

if(cPos != -1){

var cdstart = cPos + 9;
var cdend = allCookies.indexOf(";", cdstart);
if(cdend == -1) cdend = allCookies.length;
var cookieContent = allCookies.substring(cdstart,cdend);
cookieContent = unescape(cookieContent);

var cdatestart = cookieContent.indexOf("&&&", 0);
var cdateend = cookieContent.length;
var cRefer = cookieContent.substring(0,cdatestart);
//cRefer = "D4"
if (cRefer.indexOf("homelidays") > -1) cRefer = "homelidays";
if (cRefer.indexOf("cottagesdi") > -1) cRefer = "CD";
if (cRefer.indexOf("canaria-info") > -1) cRefer = "GC-info";
if (cRefer.indexOf("holidaylett") > -1) cRefer = "HL";
if (cRefer.indexOf("ebay") > -1) cRefer = "ebay";
if (cRefer.indexOf("prgrancanaria.com") > -1) cRefer = "HRD";
if (cRefer.indexOf("holidayhomerental") > -1) cRefer = "holhomerental";
if (cRefer.indexOf("rent-hol") > -1) cRefer = "rent-hol";
if (cRefer.indexOf("google") > -1) cRefer = "google";
if (cRefer.indexOf("letsholiday") > -1) cRefer = "letsholiday";
cRefer = cRefer.substr(0,15);
var cDateRef = cookieContent.substring(cdatestart +2,cdateend);
}
else{
var cRefer = "No referer";
var cDateRef = "No cookie";
}

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}