function Ver(imagen,titulo,tipo) {
var alto = 570
var ancho = 780
var str = "height=" + alto + ",innerHeight=" + alto;
	str += ",width=" + ancho + ",innerWidth=" + ancho;
	if (window.screen) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;
		var xc = (aw - ancho) / 2;
		var yc = (ah - alto) / 2;
		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	str += ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no'
	window.open('visor.php?imagen='+imagen+'&titulo='+titulo+'&tipo='+tipo, '', str)
	return false;
}

function View (imagen)
{
var alto = 520
var ancho = 790
var sDir = "http://mastersystem.museo8bits.com/" + imagen + ".jpg" ;
var str = "height=" + alto + ",innerHeight=" + alto + ",width=" + ancho + ",innerWidth=" + ancho;
	if (window.screen) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;
		var xc = (aw - ancho) / 2;
		var yc = (ah - alto) / 2;
		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	str += ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no'
	open (sDir, "_blank",str);
}

function Centra(url, nombre, alto, ancho) {
  var str = "height=" + alto + ",innerHeight=" + alto;
  str += ",width=" + ancho + ",innerWidth=" + ancho;
  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - ancho) / 2;
    var yc = (ah - alto) / 2;

    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc;
  }
  str += ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no'

  return window.open(url, nombre, str);
}