function addToFavorite(URL,Titulo) 
{
	if (navigator.appName=="Netscape") 
	{
		window.sidebar.addPanel(Titulo,URL,""); 
	}
	if (navigator.appName=="Microsoft Internet Explorer"){

		window.external.AddFavorite(URL,Titulo);
	}
}
function recomendar(id){
ancho=440; alto=400;
var W=window.open('recomendar.php?id='+id,'recomendar',"scrollbars=yes,width="+ancho+",height="+alto);
W.focus();
iz=(screen.width-ancho) / 2;
de=(screen.height-alto) / 2;
W.moveTo(iz,de);
}