message: add template js
diff: @@ -203,6 +203,7 @@ button:hover{
  p = l.nextElementSibling.classList.contains('l');
  document.getElementById('p').disabled = !p;
  if(p)document.getElementById('p').focus()};
  + function f() {var x = document.getElementById('p');x.type==='password'?x.type='text':x.type='password';}
  </script>
  <!-- /HTTP_SCRIPT -->
  <!-- HTTP_HEAD_END -->
  @@ -250,7 +251,7 @@ button:hover{
  <div><a href='#p' onclick='c(this)'>{v}</a><div role='img' aria-label='{r}%' title='{r}%' class='q q-{q} {i}'></div></div>
  <!-- /HTTP_ITEM -->
  <!-- HTTP_FORM_START -->
  - <form method='get' action='wifisave'><label for='s'>SSID</label><br/><input id='s' name='s' length=32 placeholder='SSID'><br/><label for='p'>Password</label><input id='p' name='p' length=64 type='password' placeholder='password'><br/>
  + <form method='get' action='wifisave'><label for='s'>SSID</label><br/><input id='s' name='s' length=32 placeholder='SSID'><br/><label for='p'>Password</label><input id='p' name='p' length=64 type='password' placeholder='password'><input type='checkbox' onclick='f()'> Show Password<br/>
  <!-- /HTTP_FORM_START -->
  <!-- SAMPLE -->
  <h3>custom parameter</h3><hr>
  