function abrirventana(url) {
  ancho=screen.width;
  alto=screen.height;
  desplaz_h=(ancho-600)/2;
  desplaz_v=(alto-400)/2;

  nuevaventana=window.open(url,"Masdatos","height=400,width=600,left="+desplaz_h+",top="+desplaz_v+",toolbar=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=no");
}

function ventanafotos(url) {
  ancho=screen.width;
  alto=screen.height;
  desplaz_h=(ancho-800)/2;
  desplaz_v=(alto-600)/2;

  nuevaventana=window.open(url,"Fotos", "height=600,width=800,left="+desplaz_h+",top="+desplaz_v+",toolbar=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=no");
  if (window.focus) {nuevaventana.focus();} 
}

function cambiamail(buzon){
var res="";
for (var n=0; n<buzon.length;n++) res+=String.fromCharCode(buzon.charCodeAt(n));
if (res.indexOf('@')<0) res=res+'@'+'montecorto.com';
location="mail"+"to:"+res;
}