function ver(album, ancho, alto){
	var ancho_interface=10
	var alto_interface=29   

	var tamx=screen.width;
        var tamy=screen.height;
  	posx=(tamx-(ancho+ancho_interface))/2;
	posy=(tamy -(alto+alto_interface))/2;
	window.open(album, "Album", "width="+ancho+", height="+ alto+",left="+posx+",top="+posy+", menubar=no, scrollbars=no, toolbar=no, location=no, directories=no, resizable=no");
}