function abrir_img(im,ti,ex,ancho,alto){
masAlto=alto+11;  features = "width="+ancho+",height="+masAlto; if (!ti.length) ti = "Abati S.A.";
window.open("http://www.zanelloargentina.com/imagenes/foto.html?imagen=" + im + "&titulo=" + ti + "&ancho=" + ancho + "&alto=" + alto, "Foto", features);
}