function pass(checkform) {
    var word = checkform.secret.value;
if (word == 'pm') { location.href = 'pm.shtml' }
else if (word == '1space') { location.href = '1space.shtml' }
else if (word == 'notitle') { location.href = 'notitle.shtml' }
else if (word == 'iitomo') { location.href = 'iitomo.shtml' }
    else { location.href = 'no.shtml' }
}