function cargar_div_post(r,d,p) {   
	var RequestObject = false;    
	if (window.XMLHttpRequest)    
		RequestObject = new XMLHttpRequest();   
	if (window.ActiveXObject)      
		RequestObject = new ActiveXObject("Microsoft.XMLHTTP"); 
	
	var ruta = r;
	var div = d;
	document.getElementById(div).innerHTML = "";   
	RequestObject.open("POST", ruta , true);   
	RequestObject.onreadystatechange = function(){   
		if (RequestObject.readyState==4) {   
			if (RequestObject.responseText.indexOf('invalid') == -1){    
				var msgs = RequestObject.responseText.split('|');   
				document.getElementById(div).innerHTML = msgs[0];   
			}else {   
				document.getElementById(div).innerHTML = "Error llamando";   
			}   
		}
	}
	RequestObject.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	RequestObject.send(p);    
}
document.write("<div id='xxrefxx' style='display:none'></div>");



//DETECTAR NAVEGADOR Y SISTEMA OPERATIVO

var BrowserDetect = {
   init: function () {
      
	  this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
      this.version = this.searchVersion(navigator.userAgent)
         || this.searchVersion(navigator.appVersion)
         || "an unknown version";
      this.OS = this.searchString(this.dataOS) || "an unknown OS";
   },
   searchString: function (data) {
      for (var i=0;i<data.length;i++)   {
         var dataString = data[i].string;
         var dataProp = data[i].prop;
         this.versionSearchString = data[i].versionSearch || data[i].identity;
         if (dataString) {
            if (dataString.indexOf(data[i].subString) != -1)
               return data[i].identity;
         }
         else if (dataProp)
            return data[i].identity;
      }
   },
   searchVersion: function (dataString) {
      var index = dataString.indexOf(this.versionSearchString);
      if (index == -1) return;
      return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
   },
   dataBrowser: [
      {
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
   	},

	  {    string: navigator.userAgent,
         subString: "OmniWeb",
         versionSearch: "OmniWeb/",
         identity: "OmniWeb"
      },
      {
         string: navigator.vendor,
         subString: "Apple",
         identity: "Safari"
      },
      {
         prop: window.opera,
         identity: "Opera"
      },
      {
         string: navigator.vendor,
         subString: "iCab",
         identity: "iCab"
      },
      {
         string: navigator.vendor,
         subString: "KDE",
         identity: "Konqueror"
      },
      {
         string: navigator.userAgent,
         subString: "Firefox",
         identity: "Firefox"
      },
      {
         string: navigator.vendor,
         subString: "Camino",
         identity: "Camino"
      },
      {      // for newer Netscapes (6+)
         string: navigator.userAgent,
         subString: "Netscape",
         identity: "Netscape"
      },
      {
         string: navigator.userAgent,
         subString: "MSIE",
         identity: "Internet Explorer",
         versionSearch: "MSIE"
      },
      {
         string: navigator.userAgent,
         subString: "Gecko",
         identity: "Mozilla",
         versionSearch: "rv"
      },
      {       // for older Netscapes (4-)
         string: navigator.userAgent,
         subString: "Mozilla",
         identity: "Netscape",
         versionSearch: "Mozilla"
      }
   ],
   dataOS : [
      {
         string: navigator.platform,
         subString: "Win",
         identity: "Windows"
      },
      {
         string: navigator.platform,
         subString: "Mac",
         identity: "Mac"
      },
      {
         string: navigator.platform,
         subString: "Linux",
         identity: "Linux"
      }
   ]

};
BrowserDetect.init();

//FIN DETECTAR NAV Y S.O.

var nav = BrowserDetect.browser+' '+BrowserDetect.version;
var so =  BrowserDetect.OS;

var res = screen.width+'x'+screen.height;


cargar_div_post('estadistica/referencia.php','xxrefxx','id='+xidx+'&ref='+escape(document.referrer)+'&nav='+nav+'&so='+so+'&res='+res);
//cargar_div_post('estadistica/referencia.php','xxrefxx','id='+xidx+'&ref='+escape("http://www.google.com/search?hl=es&lr=&q=ron cartavio peru&revid=1055048846&ei=U8TxSeWwH9rHtgfe2aG2Dw&sa=X&oi=revisions_inline&resnum=0&ct=broad-revision&cd=1")+'&nav='+nav+'&so='+so+'&res='+res);