function openCenteredWindow(url, name, width, height, features) {
  if(screen.width){
	  var winl = (screen.width-width)/2;
	  var wint = (screen.height-height)/2;
  } else {
		winl = 0;
		wint =0;
  }
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + height + ',';
  settings += 'width=' + width + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(url, name, settings);
  win.window.focus();
}

function openClientsPopup(id) {
	openCenteredWindow('/clientes/popup.php?id=' + id, 'clientes', 450, 450, 'scrollbars=no')
}

function openVentajasPopup(id) {
	openCenteredWindow('/ventajas_web/popup.php?id=' + id, 'ventajas', 450, 450, 'scrollbars=no')
}

function openLegalPopup() {
	openCenteredWindow('/legal/popup.php', 'legal', 450, 450, 'scrollbars=no')
}

function openPoliticasPopup() {
	openCenteredWindow('/politicas_de_privacidad/popup.php', 'legal', 450, 450, 'scrollbars=no')
}

function openMapaDelSitioPopup() {
	openCenteredWindow('/mapa_del_sitio/popup.php', 'mapa', 450, 450, 'scrollbars=no')
}

function internalLink(link) {
	if (opener) {
		opener.location = link;
		opener.focus();
	} else {
		window.location = link;
	}
}