var url="http://www.serviciosadomicilio.com"
var titulo="Servicios a domicilio"
function favoritos(){
if (navigator.appName == "Netscape") {
window.sidebar.addPanel(titulo, url, '')
}else{
window.external.AddFavorite(url,titulo)
}}

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;