function stuurpost(adrs,dome,land) {
  var begi = '<a ';
  var refe = 'hr' + 'ef' + '=';
  var pref = '&#109;a' + 'i&#108;' + '&#116;o';
  var addr = adrs + '&#64;' + dome + '&#46;' + land;
  var tuss = '\'>';
  var eind = '<\/a>';  

  document.write( '<a ' + refe + '\'' + pref + ':' + addr + '\'>' );
  document.write( addr );
  document.write( '<\/a>');
}