var srv=document.location.href;
srv = srv.split('http://');
srv = srv[1].split('.');
srv = srv[0];
var ids =['rojo','naranja','verde','azul'];
for (i=0;i<ids.length;i++){	
	var el = document.getElementById(ids[i]);
	var trck = el.getElementsByTagName('a');
	for (j=0;j<trck.length;j++){
		var href= trck[j].href;
		if (srv=='horoscopo'){
			hrefR = href.replace(/top_people/gi,srv);
			trck[j].href = hrefR;	
		}
	}
}