function get_particula_site() {
	var particula='portal';
	var Loc  = location.href;
	particula = analisis(location.href);
	if (particula == '') {
		particula = analisis(parent.location.href);
		if (particula == '') {
			particula = analisis(top.location.href);
			if (particula == '') {
				if (opener) {
					particula = analisis(opener.location.href);
				}
			}
		}
	}
	if ((particula == '') || (particula == 'undefined')) {
		particula='portal';
	}	
	//alert('particula:'+'"'+particula+'"');
	return particula;
}

function analisis(Loc) {
	var aux='';	
	Loc = Loc.toUpperCase();
	if (Loc.indexOf("/R4PATRIMONIO") > 0) {
		aux='r4patrimonio';
	} else if (Loc.indexOf("/R4FONDOS") > 0) {
		aux='r4fondos';
	} else if (Loc.indexOf("/R4BROKER") > 0) {
		aux='r4broker';
	} else if (Loc.indexOf("/RENTA4SI_ENG") > 0) {
		aux='renta4si_eng';						
	} else if (Loc.indexOf("/RENTA4SI") > 0) {
		aux='renta4si';		
	} else if (Loc.indexOf("/PORTALG") > 0) {
		aux='portalg';
	} else if (Loc.indexOf("/PORTAL") > 0) {
		aux='portal';
        } else if (Loc.indexOf("/FONDOTOP") > 0) {
                aux='fondotop';
        }
	return aux;
}