function Favoritos() {
  var url = "http://quecorralavoz.com";
  var title = "quecorralavoz.com";
  if (window.sidebar) {
	window.sidebar.addPanel(title, url,"");
  }
  else if (window.opera && window.print) {
	var amd = document.createElement('a');
	amd.setAttribute('rel','sidebar');
	amd.setAttribute('href',url);
	amd.setAttribute('title',title);
	amd.click();
  }
 else if(document.all) {
   window.external.AddFavorite(url, title);
 }
}