function show_pic(pic){
	var new_src = "/images/visita/images/" + pic;

	document['main'].src = new_src;
}

var foto;

function do_foto_win(lafoto){
	
	if (!foto || foto.closed){
    foto = window.open("fotos.html", "thewindow",
            "width=620, height=600, scrollbars=yes, resizable=yes");
	}
	else {foto.document.fotogrande.src = '/images/cargando.gif';}
	var new_foto = new Image();
	new_foto.src = lafoto;
    load_foto(new_foto.src);
    foto.focus();
}

function load_foto(lafoto) {
    // not sure if "foto" exists here in all browsers? works in mozilla
    if (foto.document.fotogrande) {
        foto.document.fotogrande.src = lafoto;
    }
    else {
        setTimeout("load_foto(\"" + lafoto + "\")", 100);
    }
}