function certifica(sitio_id,area_id, pagina_id){

var	s = new String(document.location);

function reversea(s){
 var i;
 var ret=new String();
 	for(i=s.length; i>0;i--){
 		ret = ret + s.charAt(i);
	}
 	return ret;
}
var x=reversea(reversea(s).substring(0,32));
//document.write("Document " + s.substring(0,s.length) + "<br>");
//document.write("Document " + x + "<br>" );

Certifica_resolucion="otro";
Certifica_colores="otro";
Certifica_java_activado="otro";
Certifica_browser="otro";
Certifica_version="otro";
Certifica_desde=""+escape(document.referrer);
Certifica_cpu_XXXX="otro";
Certifica_idioma_sistema="otro";
if (Certifica_desde== "") Certifica_desde="otro";
Certifica_resolucion=screen.width;
Certifica_browser=navigator.appName;
Certifica_version_navegador=navigator.appVersion.charAt(0) + navigator.appVersion.charAt(1);
Certifica_version_navegador=Certifica_version_navegador + navigator.appVersion.charAt(2);
Certifica_cpu_XXXX=navigator.cpuClass;
Certifica_idioma_sistema=navigator.userLanguage;
if (Certifica_browser != "Netscape")
{
   Certifica_colores=screen.colorDepth;
} else {
   Certifica_colores=screen.pixelDepth;
}
Certifica_java_activado=navigator.javaEnabled();
Certifica_NS2Ch_a=0;
if (navigator.appName == "Netscape" && navigator.appVersion.charAt(0) == "2")
{
   Certifica_NS2Ch_a=1;
}
if (Certifica_NS2Ch_a == 0) {
   Certifica_url_source="https://hits.e.cl/cert/hit.dll?sitio_id="+sitio_id+"&area_id=" + area_id + "&pagina_id=" + x + "&vc=2.05";
   Certifica_url_source+="&size="+Certifica_resolucion+"&colors="+Certifica_colores;
   Certifica_url_source+="&referer="+Certifica_desde+"&java="+Certifica_java_activado;
   Certifica_url_source+="&idio="+Certifica_idioma_sistema+"&cpu="+Certifica_cpu_XXXX+"&vers='"+Certifica_version_navegador+"'";
   document.writeln("<A><IMG BORDER=1 SRC=\"" + Certifica_url_source + "\"></A>");
}

}