document.write('<select class="t4" name="date">');
document.write('<option value="' + yyyymmddtwodate + '">Anteayer</option>');
document.write('<option value="' + yyyymmddyesdate + '">Ayer</option>');
document.write('<option value="' + yyyymmdddate + '" selected>Hoy</option>');
document.write('<option value="' + yyyymmddtomdate + '">Ma\u00F1ana</option>');