/****************************************************************************************************/
//Variabili principali
/****************************************************************************************************/
var accountName="eurekasa";//Nome account
var cookieSectionName="dotjs";//Nome sezione cookie
var domainNameType="eurekasa.it";//(auto|none|domain) tipo di dominio da usare per i cookie

var cobrand=new Array();
cobrand[0]="it.eurekasa.yahoo.net";
cobrand[1]="eurekasa.economia.alice.it";
cobrand[2]="immobiliare.lavorincasa.it";
cobrand[3]="casa.leonardo.it";
cobrand[4]="eurekasa.ilsole24ore.com";
cobrand[5]="casa.it.msn.com";
cobrand[6]="eurekasa.lycos.it";
cobrand[7]="eurekasa.tgcom.mediaset.it";

var searchEngine=new Array();
var searchQuery=new Array();
searchEngine[0]="altavista";
searchQuery[0]="q";
searchEngine[1]="google";
searchQuery[1]="q";
searchEngine[2]="libero";
searchQuery[2]="query";
searchEngine[3]="lycos";
searchQuery[3]="query";
searchEngine[4]="msn";
searchQuery[4]="q";
searchEngine[5]="tiscali";
searchQuery[5]="key";
searchEngine[6]="alice";
searchQuery[6]="qs";
searchEngine[7]="yahoo";
searchQuery[7]="p";
searchEngine[8]="kataweb";
searchQuery[8]="q";
searchEngine[9]="live";
searchQuery[9]="q";

var _domain,cookieDomainType="",_referer="-";
var imagePath="http://trk.dotjs.com/1x1.gif";
/****************************************************************************************************/



dotjsTracker();



/****************************************************************************************************/
function dotjsTracker(page)
/****************************************************************************************************/
{
	//se non è stata impostata la pagina la recupera
	if (!page || page=="") page=getPageName();

	//recupera il dominio
	_domain=getDomain();

	if (domainNameType && domainNameType!="")
	{
		cookieDomainType=" domain="+domainNameType+";";
	}
	writeLogInfo(page);
}
/****************************************************************************************************/
function writeLogInfo(page)
/****************************************************************************************************/
{
	var domainIndex;
	var logString="";
	var pg=location.pathname+location.search;
	var _params="";

	if (page && page!="") pg=escape(page);

	_referer=document.referrer;
	if (!_referer || _referer=="")
	{
		_referer="-";
	}
	else
	{
		//verifica se nel referrer è presente il nome del dominio
		domainIndex=_referer.indexOf(document.domain);

		//nel caso di http://{nome dominio} domainIndex=7, nel caso di https://{nome dominio} domainIndex=8 quindi il referrer è il dominio stesso
		if ((domainIndex>=0) && (domainIndex<9))
		{
			_referer="0";
		}
		else
		{
			//il referer deve essere encodato
			_referer=escape(_referer);
		}
	}

	//traccia la campagna
	logString+=cookieInfo();

	//imposta il nome dell'host
	if (location.hostname && location.hostname!="") logString+="&hn="+escape(location.hostname);

	logString+="&re="+_referer;

	_params=getPageParams();
	if (_params && _params!="")	logString+="&"+_params;

	//imposta la pagina con tutti i parametri
	logString+="&pg="+pg;

	var cookieForLog=getCookieForLog();

	var img=new Image(1,1);
	img.onload = function(){return;};
	img.src=imagePath+"?"+logString+"&ac="+accountName+"&cc="+cookieForLog;

	return;
}
/****************************************************************************************************/
function getDomain()
/****************************************************************************************************/
{
	var isCobrand=0;

	if (!domainNameType || domainNameType=="" || domainNameType=="none")
 	{
 		domainNameType="";
 		return 1;
 	}

 	//recupera il dominio
 	var dom=document.domain;

 	for (var ii=0;ii<cobrand.length;ii++)
	{
		if(dom==cobrand[ii])
		{
			isCobrand=1;
			break;
		}
	}

	if (domainNameType=="auto" || isCobrand==1)
 	{
 		//se nel dominio è contenuto il "www." lo elimina
  	if (dom.substring(0,4)=="www.")
  	{
   		dom=dom.substring(4,dom.length);
  	}

  	domainNameType=dom;
 	}
 	return domainNameType;
}
/****************************************************************************************************/
function cookieInfo()
/****************************************************************************************************/
{
	var cookieTimeout="7776000";
	var dataOraAttuale;
	var newCookieValue="";
	var cookieValue="-";
	var cookieRefererCampaign="-";
	var i=0;
	var cookieSectionValue;
	var guid;

	dataOraAttuale=new Date();

	var cookieExpires=new Date(dataOraAttuale.getTime()+(cookieTimeout*1000));

	cookieExpires=" expires="+cookieExpires.toGMTString()+";";

	cookieValue=unescape(getCookieSection(location.search,cookieSectionName+"=","&"));

	if (cookieValue!="-" && cookieValue.indexOf(";")==-1)
	{
		document.cookie=cookieSectionName+"="+cookieValue+"; path=/;"+cookieExpires+cookieDomainType;
		return "unic=0";
	}

	cookieRefererCampaign=getCookieSection(location.search,"dotjs_r=","&");
	if (cookieRefererCampaign!="-" && cookieRefererCampaign!="")
	{
		guid=creaGuid();
		newCookieValue+="dotjs_g="+guid;

		newCookieValue+="|dotjs_f=[empty]";

		newCookieValue+="|dotjs_r="+trimPlus(cookieRefererCampaign);

		cookieSectionValue=getCookieSection(location.search,"dotjs_n=","&");
		if (cookieSectionValue!="-" && cookieSectionValue!="") newCookieValue+="|dotjs_n="+trimPlus(cookieSectionValue);
		else newCookieValue+="|dotjs_n=[empty]";

		cookieSectionValue=getCookieSection(location.search,"dotjs_t=","&");
		if (cookieSectionValue!="-" && cookieSectionValue!="") newCookieValue+="|dotjs_t="+trimPlus(cookieSectionValue);
		else newCookieValue+="|dotjs_t=[empty]";

		cookieSectionValue=getCookieSection(location.search,"dotjs_k=","&");
		if (cookieSectionValue!="-" && cookieSectionValue!="") newCookieValue+="|dotjs_k="+trimPlus(cookieSectionValue);
		else newCookieValue+="|dotjs_k=[empty]";

		cookieSectionValue=getCookieSection(location.search,"dotjs_j=","&");
		if (cookieSectionValue!="-" && cookieSectionValue!="") newCookieValue+="|dotjs_j="+trimPlus(cookieSectionValue);
		else newCookieValue+="|dotjs_j=[empty]";
	}
	else
	{
		//cookieValue=document.cookie.indexOf(cookieSectionName+"=dotjs_d="+_domain);
		cookieValue=document.cookie.indexOf(cookieSectionName);

		if (cookieValue>-1)
		{
			//cookieValue=getCookieSection(document.cookie,cookieSectionName+"=dotjs_d="+_domain,";");
			cookieValue=getCookieSection(document.cookie,cookieSectionName,";");
		}
		else
		{
			cookieValue="-";
		}

		if (cookieValue!="-")
		{
			return "unic=0";
		}

		//se non è stato impostato nessun valore per il cookie verifico se è un motore di ricerca
		if ((newCookieValue=="-" || newCookieValue=="") && (cookieValue=="-" || cookieValue==""))
		{
		 	newCookieValue=getReferer(true);
		}

		//se non è stato impostato nessun valore per il cookie imposta il dominio e la pagina di referer
		if ((newCookieValue=="-" || newCookieValue=="") && (cookieValue=="-" || cookieValue==""))
		{
		 	newCookieValue=getReferer(false);
		}

		//se non è stato impostato nessun valore per il cookie imposta il cookie di default
		if (newCookieValue=="-" || newCookieValue=="")
		{
			if (cookieValue=="-")
			{
				newCookieValue="dotjs_g=[empty]|dotjs_f=[empty]|dotjs_r=[default]|dotjs_n=[empty]|dotjs_t=[empty]|dotjs_k=[empty]|dotjs_j=[empty]";
			}
			if (newCookieValue=="-" || newCookieValue=="")
			{
				return "unic=0";
			}
		}
	}

	document.cookie=cookieSectionName+"=dotjs_d="+_domain+"|"+newCookieValue+"; path=/; "+cookieExpires+cookieDomainType;

	return "unic=1";
}
/****************************************************************************************************/
function getCookieForLog()
//restituisce il contenuto di tutte le sezioni del cookie
/****************************************************************************************************/
{
	var cookieSection;
	var escapeCookieSection="";

	//if ((cookieSection=getCookieSection(document.cookie,cookieSectionName+"=dotjs_d="+_domain,";"))!="-") escapeCookieSection+=escape(cookieSectionName+"="+cookieSection+";+");
	if ((cookieSection=getCookieSection(document.cookie,cookieSectionName,";"))!="-")
	{
		//escapeCookieSection+=escape(cookieSectionName+"="+cookieSection+";+");
		escapeCookieSection=escape(cookieSectionName+"="+cookieSection);
	}
	else if ((cookieSection=getCookieSection(location.search,cookieSectionName,";"))!="-")
	{
		//escapeCookieSection+=escape(cookieSection+";+");
		escapeCookieSection=escape(cookieSection);
	}

	return escapeCookieSection;
}
/****************************************************************************************************/
function getCookieSection(allSectionValue,sectionName,separator)
//restituisce il contenuto di una determinata sezione del cookie
//Il contenuto può essere preso o dal cookie o da cs-uri-query
//allSectionValue=cookieDocument o location.search cioè tutto quello che c'è dopo il "?"
//sectionName=nome della sezione es:"tracker="+_domain,separator=separatore es:";"
/****************************************************************************************************/
{
	if (!allSectionValue || allSectionValue=="" || !sectionName || sectionName=="" || !separator || separator=="") return "-";

	var i,i2,i3;
	var ret="-";

	//ricerca la sezione all'interno del cookie
	i=allSectionValue.indexOf(sectionName);
	//ricerca "=" all'interno del nome della sezione
	i3=sectionName.indexOf("=")+1;

	if (i > -1)
	{
		//se ha trovato la sezione all'interno del cookie
		//cerca il separatore partendo dall'indice di dove inizia la sezione
		i2=allSectionValue.indexOf(separator,i);

		if (i2 < 0)
		{
			//se non c'è il separatore
			i2=allSectionValue.length;
		}
		//recupera tutto il contenuto della sezione del cookie
		ret=allSectionValue.substring((i+i3),i2);
	}
	return ret;
}
/****************************************************************************************************/
function trimPlus(stringValue)
//accetta in ingresso una string e la restituisce con il "+" al posto degli spazi
/****************************************************************************************************/
{
  var ret="";
  if (!stringValue || stringValue=="") return "";
  for (var i=0;i<stringValue.length;i++)
  {
  	if (stringValue.charAt(i)==" ") ret+="+";
  	else ret+=stringValue.charAt(i);
  }
  return ret;
}
/****************************************************************************************************/
function creaGuid()
/****************************************************************************************************/
{
  var guid="";
	var data = new Date();
	var randomNumber = Math.round(Math.random()*999999999999999);
	var dt=data.toUTCString();

	guid=Date.parse(dt).toString()+"-"+randomNumber.toString()

  return guid;
}
/****************************************************************************************************/
function getPageName()
//recupera la pagina corrente
/****************************************************************************************************/
{
	var _path = document.location.pathname;
	var pos;

	pos=_path.lastIndexOf("/",pos);

	if (pos==-1) return _path;
	else return _path.substr(pos+1);
}
/****************************************************************************************************/
function getReferer(engine)
/****************************************************************************************************/
{
	if (_referer=="0" || _referer=="" || _referer=="-") return "";

	var i=-1;
	var i2=-1;
	//pagina del referer
	var refererPage;
	//dominio del referer
	var refererDomain;

	var motore;
	var lastIndex1=-1;
	var lastIndex2=-1;
	var query;

	var refererForCookie=unescape(_referer);

	i=refererForCookie.indexOf("://");

	if (i==-1) return "";

	//toglie dal referer "http://"
	refererDomain=refererForCookie.substring(i+3,refererForCookie.length);

	if(engine)
	{
		i=refererDomain.indexOf("/")
		if (i>-1)
			motore=refererDomain.substring(0,i-1)
		else
			motore=refererDomain;

		lastIndex1=motore.lastIndexOf(".");
		lastIndex2=motore.lastIndexOf(".",lastIndex1-1);

		if(lastIndex2>-1)
		{
			motore=refererDomain.substring(lastIndex2+1,lastIndex1);
		}
		else
		{
			motore=refererDomain.substring(0,lastIndex1);
		}
		//scorre la lista dei motori di ricerca
		for (var ii=0;ii<searchEngine.length;ii++)
		{
			if (motore.indexOf(searchEngine[ii]) > -1)
			{
				i=refererDomain.indexOf("?"+searchQuery[ii]+"=");
				i2=refererDomain.indexOf("&"+searchQuery[ii]+"=");

			 	if (i>-1 || i2>-1)
			 	{
			 		if(i>-1)
			  		query=refererDomain.substring(i+searchQuery[ii].length+2,_referer.length);
			  	if(i2>-1)
			  		query=refererDomain.substring(i2+searchQuery[ii].length+2,_referer.length);

			  	if ((i=query.indexOf("&")) > -1) query=query.substring(0,i);

			  	return "dotjs_g=[empty]|dotjs_f="+trimPlus(searchEngine[ii])+"|dotjs_r=[engine]|dotjs_n=[empty]|dotjs_t=[empty]|"+"dotjs_k="+trimPlus(query)+"|dotjs_j=[empty]";
			 	}
			}
		}
		return "-"
	}
	else
	{
		//se c'è il carattere "/" il referer potrebbe essere una pagina con dei parametri
		if (refererDomain.indexOf("/") > -1)
		{
			//viene recuperata la pagina e gli eventuali parametri
			refererPage=refererDomain.substring(refererDomain.indexOf("/"),refererDomain.length);

			//se c'è il "?" ci sono sicuramente dei parametri. In questo caso vengono tolti per prendere solo la pagina
			if (refererPage.indexOf("?") > -1) refererPage=refererPage.substring(0,refererPage.indexOf("?"));

			refererDomain=refererDomain.substring(0,refererDomain.indexOf("/"));
		}

		refererDomain=refererDomain.toLowerCase();

		if (refererDomain.indexOf("www.")==0) refererDomain=refererDomain.substring(4,refererDomain.length);

		return "dotjs_g=[empty]|dotjs_f="+trimPlus(refererDomain)+"|dotjs_r=[referrer]|dotjs_n=[empty]|dotjs_t=[empty]|dotjs_k=[empty]|dotjs_j="+trimPlus(refererPage);
	}
}
/****************************************************************************************************/
function getPageParams()
//recupera i parametri della pagina
/****************************************************************************************************/
{
	var _params = document.location.search;
	var pos;

	pos=_params.indexOf("?",pos);

	if (pos==-1) return _params;
	else return _params.substr(pos+1);
}
/****************************************************************************************************/
function dotjsGetNewPage(jumpPage)
/****************************************************************************************************/
{
	var cookieValue;
	var page;

	if (jumpPage && jumpPage!="")
	{
		if (document.cookie)
		{
	 		cookieValue=cookieSectionName+"="+escape(getCookieSection(document.cookie,cookieSectionName+"=",";"));
		}
		if (cookieValue)
		{
	 		if (jumpPage.indexOf("?")<=-1)
	 		{
	 			page=jumpPage+"?"+cookieValue;
	 		}
	 		else
	 		{
	 			page=jumpPage+"&"+cookieValue;
	 		}
		}
		else
		{
			page=jumpPage;
		}
	}
	else
	{
		page=jumpPage;
	}
	return page;
}