function getCookie(name){
  var cname = name + "=";               
  var dc = document.cookie;             
  if (dc.length > 0) {              
    begin = dc.indexOf(cname);       
    if (begin != -1) {           
      begin += cname.length;       
      end = dc.indexOf(";", begin);
      if (end == -1) end = dc.length;
        return unescape(dc.substring(begin, end));
    } 
  }
  return null;
}

var sessiontime,hoy,codaleat1,codaleat2,espiracion;

if (getCookie("_trackerusasession")==null)
{
codaleat1=Math.round(Math.random()*2147483647);
sessiontime="1800"; //sesiones de 30 minutos
hoy=new Date();
espiracion=new Date(hoy.getTime()+(sessiontime*1000));
espiracion=" expires="+ espiracion.toGMTString()+";";
document.cookie="_trackerusasession=" + codaleat1 + "; path=/;" + espiracion;
}

if (getCookie("_trackerusauser")==null)
{
codaleat2=Math.round(Math.random()*2147483647);
document.cookie="_trackerusauser=" + codaleat2 + "; path=/; expires=Sun, 18 Jan 2038 00:00:00 GMT;";
}

var vlocation="http://www.trackerusa.net/tracker/trackering.asp";

var vdate=new Date();
var vhours=0;
var vminutes=0;
var vr="";
var vrtype="0";
var vres="0";
var vurl="";
var vcolors="";
var vnav=navigator.appName;
var navlang="";
var vplugs="";

if(vnav.substring(0,9)=="Microsoft"){vnav="MSIE";};
version=Math.round(parseFloat(navigator.appVersion)*100);
if((vnav=="MSIE") && (parseInt(version)==2)){version=301;};java="";
if(navigator.appName=="Netscape"){ if(version>400) navlang=navigator.language;
//if(version>300)for(var i=0;i<navigator.plugins.length;i++)vplugs +=navigator.plugins[i].name+":"
};

// Deal with frames
if ((vr == "") || (vr == "unknown origin") || (vr == "unknown") || (vr == "undefined"))
	if (document["parent"] != null) 
		if (parent["document"] != null) 
			if (parent.document["referrer"] != null) 
				if (typeof(parent.document) == "object")
				{
					vrtype="1";
					vr=parent.document.referrer; 
				}

if ((vr == "") || (vr == "unknown origin") || (vr == "unknown") || (vr == "undefined"))
	if (document["referrer"] != null) 
	{
		vrtype="4";
		vr = document.referrer;
	}

if((vr=="") || (vr=="undefined")){vr="Favoritos/Directamente";};

//  Resolucion de tamaņo de monitor
vres=screen.width+"x"+screen.height;

// URL
vurl = document.URL;

// Resolucion de Color
vcolors=(vnav=="MSIE")?screen.colorDepth:screen.pixelDepth;
if(vcolors=="undefined"){vcolors="";};

//Pais y Lenguaje
navlang = navigator.browserLanguage;

//tambien enviamos las cookies
tpu=getCookie("_trackerusauser");
tps=getCookie("_trackerusasession")

// Escribimos el Tag de imagen en la pagina
/*	self.document.write('<table width=1 border=0 cellpadding=0 cellspacing=0>'); 
	self.document.write('<tr><td width=1 height=1>'); 	
	self.document.write('<img height=1 width=1 border=0 src="');
	self.document.write(vlocation);
	self.document.write('?ide=');
	self.document.write(ide);
	self.document.write('&REF=');
	self.document.write(escape(vr));
	self.document.write('&vtime='+vdate);
	self.document.write('&res='+vres);
	self.document.write('&vurl='+escape(vurl));
	self.document.write('&colors='+vcolors);
	self.document.write('&nav='+vnav);
	self.document.write('&version='+version);
	self.document.write('&navlang='+navlang);
	self.document.write('&plugs='+escape(vplugs));
	self.document.write('&tpu='+tpu);	
	self.document.write('&tps='+tps);		
	self.document.write('">');
	self.document.write('</td></tr></table>');	
	window.status='  ';*/
	
var _tpimg=new Image(1,1);
var _gettp=vlocation 
_gettp+= "?ide=" + ide + "&REF=" + escape(vr);
_gettp+="&vtime=" + vdate + "&plugs=" + escape(vplugs);
_gettp+="&res=" + vres + "&colors=" + vcolors;
_gettp+="&nav=" + vnav + "&version=" + version;
_gettp+="&navlang=" + navlang + "&tpu=" + tpu;
_gettp+="&tps=" + tps;
_tpimg.src = _gettp + "&vurl=" + escape(vurl);
_tpimg.onload=function() {return;}