function openWindow(pag,ancho,alto)
{
 window.open(pag,"","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width="+ancho+",height="+alto+",left=50,top=50");
}
function ampliarFoto(imgName,ancho,alto)
{
 	var pagina = "ampliarfoto.php?img="+imgName;
	window.open(pagina,"","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width="+ancho+",height="+alto+",left=50,top=50");
}